diff --git a/setup.py b/setup.py
index cd50adb580831137db05566c781ce92f6f588229..1e4fe3a4765e3a7de578c3522cdc30a5841d6b71 100755
--- a/setup.py
+++ b/setup.py
@@ -23,9 +23,8 @@ setup(
     packages=find_packages(exclude=('tests', 'docs')),
     ext_modules=cythonize([
         "src/screening/utils.pyx", 
-        "src/screening/gap_ptest.pyx",
-        "src/screening/gap_rqtest.pyx",
-        "src/screening/kappa_test.pyx",
+        "src/screening/gap_test_all.pyx",
+        "src/screening/gap_test_p_1.pyx",
     ]),
 )
 
diff --git a/src/__version.py b/src/__version.py
index 89d2d61ac5f9d313dcd5a3f669a61eafd7775ba1..47c8f9dd2d2d6e5a2a5203e2c37979e3049b5f24 100755
--- a/src/__version.py
+++ b/src/__version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 
-__version__ = "0.9.0"
\ No newline at end of file
+__version__ = "2.0.0"
\ No newline at end of file
diff --git a/src/screening/ascreening.py b/src/screening/ascreening.py
index c1d8c82264f59b583101f3d5498e5c01dcabc887..b20a23a02ecbaf7f7917d6d19b55f220aa597329 100644
--- a/src/screening/ascreening.py
+++ b/src/screening/ascreening.py
@@ -12,18 +12,16 @@ class AbstractGapScreening(ABC):
       self.name = "NONAME"
    
 
-   def get_name(self):
-      return self.name
-
-
    @abstractmethod
-   def apply_test(self, Atu_abs, gap, lbd, vec_gammas, offset_radius=0, index=None) -> np.ndarray:
+   def apply_test(self, Atu_abs, gap, lbd, vec_gammas, coeff_dual_scaling=1., offset_radius=0, index=None) -> np.ndarray:
       """ GAP Sphere screening test detailed in Cédric's node
       
       Parameters
       ----------
       Atu_abs : np.ndarray
-         vector |matA.T @ vecu| where vecu is dual admissible
+         vector |matA.T @ vecu|
+         vecu is not necessarily dual admissible
+         In that case, the dual scaling factor must be provided
          size [n]
       gap : positive float
          duality gap
@@ -32,6 +30,11 @@ class AbstractGapScreening(ABC):
       vec_gammas : np.ndarray
          slope parameters
          size [n,]
+      coeff_dual_scaling : positif float
+         If coeff_dual_scaling is not feasible, dual scaling factor
+         such taht vecu / coeff_dual_scaling os dual feasible
+         Here for code optimization purposes
+         Default value is 1. (vecu is feasible)
       offset_radius : float
          additive term added to the redius
       index : np.ndarray
diff --git a/src/screening/gap_rqtest.c b/src/screening/gap_rqtest.c
deleted file mode 100644
index 55d93670a7bd5fa4656c61472d5b2e317a481a32..0000000000000000000000000000000000000000
--- a/src/screening/gap_rqtest.c
+++ /dev/null
@@ -1,8083 +0,0 @@
-/* Generated by Cython 0.29.24 */
-
-/* BEGIN: Cython Metadata
-{
-    "distutils": {
-        "depends": [],
-        "name": "src.screening.gap_rqtest",
-        "sources": [
-            "src/screening/gap_rqtest.pyx"
-        ]
-    },
-    "module_name": "src.screening.gap_rqtest"
-}
-END: Cython Metadata */
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-  #define __Pyx_PyUnicode_READY(op)       (0)
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-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_LENGTH(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) PyUnicode_READ_CHAR(u, i)
-  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   PyUnicode_MAX_CHAR_VALUE(u)
-  #define __Pyx_PyUnicode_KIND(u)         PyUnicode_KIND(u)
-  #define __Pyx_PyUnicode_DATA(u)         PyUnicode_DATA(u)
-  #define __Pyx_PyUnicode_READ(k, d, i)   PyUnicode_READ(k, d, i)
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  PyUnicode_WRITE(k, d, i, ch)
-  #if defined(PyUnicode_IS_READY) && defined(PyUnicode_GET_SIZE)
-  #if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x03090000
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : ((PyCompactUnicodeObject *)(u))->wstr_length))
-  #else
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != (likely(PyUnicode_IS_READY(u)) ? PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u)))
-  #endif
-  #else
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_LENGTH(u))
-  #endif
-#else
-  #define CYTHON_PEP393_ENABLED 0
-  #define PyUnicode_1BYTE_KIND  1
-  #define PyUnicode_2BYTE_KIND  2
-  #define PyUnicode_4BYTE_KIND  4
-  #define __Pyx_PyUnicode_READY(op)       (0)
-  #define __Pyx_PyUnicode_GET_LENGTH(u)   PyUnicode_GET_SIZE(u)
-  #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i]))
-  #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u)   ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111)
-  #define __Pyx_PyUnicode_KIND(u)         (sizeof(Py_UNICODE))
-  #define __Pyx_PyUnicode_DATA(u)         ((void*)PyUnicode_AS_UNICODE(u))
-  #define __Pyx_PyUnicode_READ(k, d, i)   ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i]))
-  #define __Pyx_PyUnicode_WRITE(k, d, i, ch)  (((void)(k)), ((Py_UNICODE*)d)[i] = ch)
-  #define __Pyx_PyUnicode_IS_TRUE(u)      (0 != PyUnicode_GET_SIZE(u))
-#endif
-#if CYTHON_COMPILING_IN_PYPY
-  #define __Pyx_PyUnicode_Concat(a, b)      PyNumber_Add(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  PyNumber_Add(a, b)
-#else
-  #define __Pyx_PyUnicode_Concat(a, b)      PyUnicode_Concat(a, b)
-  #define __Pyx_PyUnicode_ConcatSafe(a, b)  ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\
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-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains)
-  #define PyUnicode_Contains(u, s)  PySequence_Contains(u, s)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check)
-  #define PyByteArray_Check(obj)  PyObject_TypeCheck(obj, &PyByteArray_Type)
-#endif
-#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format)
-  #define PyObject_Format(obj, fmt)  PyObject_CallMethod(obj, "__format__", "O", fmt)
-#endif
-#define __Pyx_PyString_FormatSafe(a, b)   ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b))
-#define __Pyx_PyUnicode_FormatSafe(a, b)  ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b))
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyString_Format(a, b)  PyUnicode_Format(a, b)
-#else
-  #define __Pyx_PyString_Format(a, b)  PyString_Format(a, b)
-#endif
-#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII)
-  #define PyObject_ASCII(o)            PyObject_Repr(o)
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBaseString_Type            PyUnicode_Type
-  #define PyStringObject               PyUnicodeObject
-  #define PyString_Type                PyUnicode_Type
-  #define PyString_Check               PyUnicode_Check
-  #define PyString_CheckExact          PyUnicode_CheckExact
-#ifndef PyObject_Unicode
-  #define PyObject_Unicode             PyObject_Str
-#endif
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj)
-  #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj)
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-  #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj))
-  #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj))
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-  #define __Pyx_SET_SIZE(obj, size) Py_SET_SIZE(obj, size)
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-  #define __Pyx_SET_REFCNT(obj, refcnt) Py_REFCNT(obj) = (refcnt)
-  #define __Pyx_SET_SIZE(obj, size) Py_SIZE(obj) = (size)
-#endif
-#if CYTHON_ASSUME_SAFE_MACROS
-  #define __Pyx_PySequence_SIZE(seq)  Py_SIZE(seq)
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-  #define __Pyx_PySequence_SIZE(seq)  PySequence_Size(seq)
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-#if PY_MAJOR_VERSION >= 3
-  #define PyIntObject                  PyLongObject
-  #define PyInt_Type                   PyLong_Type
-  #define PyInt_Check(op)              PyLong_Check(op)
-  #define PyInt_CheckExact(op)         PyLong_CheckExact(op)
-  #define PyInt_FromString             PyLong_FromString
-  #define PyInt_FromUnicode            PyLong_FromUnicode
-  #define PyInt_FromLong               PyLong_FromLong
-  #define PyInt_FromSize_t             PyLong_FromSize_t
-  #define PyInt_FromSsize_t            PyLong_FromSsize_t
-  #define PyInt_AsLong                 PyLong_AsLong
-  #define PyInt_AS_LONG                PyLong_AS_LONG
-  #define PyInt_AsSsize_t              PyLong_AsSsize_t
-  #define PyInt_AsUnsignedLongMask     PyLong_AsUnsignedLongMask
-  #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask
-  #define PyNumber_Int                 PyNumber_Long
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define PyBoolObject                 PyLongObject
-#endif
-#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY
-  #ifndef PyUnicode_InternFromString
-    #define PyUnicode_InternFromString(s) PyUnicode_FromString(s)
-  #endif
-#endif
-#if PY_VERSION_HEX < 0x030200A4
-  typedef long Py_hash_t;
-  #define __Pyx_PyInt_FromHash_t PyInt_FromLong
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsLong
-#else
-  #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t
-  #define __Pyx_PyInt_AsHash_t   PyInt_AsSsize_t
-#endif
-#if PY_MAJOR_VERSION >= 3
-  #define __Pyx_PyMethod_New(func, self, klass) ((self) ? ((void)(klass), PyMethod_New(func, self)) : __Pyx_NewRef(func))
-#else
-  #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass)
-#endif
-#if CYTHON_USE_ASYNC_SLOTS
-  #if PY_VERSION_HEX >= 0x030500B1
-    #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods
-    #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async)
-  #else
-    #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved))
-  #endif
-#else
-  #define __Pyx_PyType_AsAsync(obj) NULL
-#endif
-#ifndef __Pyx_PyAsyncMethodsStruct
-    typedef struct {
-        unaryfunc am_await;
-        unaryfunc am_aiter;
-        unaryfunc am_anext;
-    } __Pyx_PyAsyncMethodsStruct;
-#endif
-
-#if defined(WIN32) || defined(MS_WINDOWS)
-  #define _USE_MATH_DEFINES
-#endif
-#include <math.h>
-#ifdef NAN
-#define __PYX_NAN() ((float) NAN)
-#else
-static CYTHON_INLINE float __PYX_NAN() {
-  float value;
-  memset(&value, 0xFF, sizeof(value));
-  return value;
-}
-#endif
-#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL)
-#define __Pyx_truncl trunc
-#else
-#define __Pyx_truncl truncl
-#endif
-
-#define __PYX_MARK_ERR_POS(f_index, lineno) \
-    { __pyx_filename = __pyx_f[f_index]; (void)__pyx_filename; __pyx_lineno = lineno; (void)__pyx_lineno; __pyx_clineno = __LINE__; (void)__pyx_clineno; }
-#define __PYX_ERR(f_index, lineno, Ln_error) \
-    { __PYX_MARK_ERR_POS(f_index, lineno) goto Ln_error; }
-
-#ifndef __PYX_EXTERN_C
-  #ifdef __cplusplus
-    #define __PYX_EXTERN_C extern "C"
-  #else
-    #define __PYX_EXTERN_C extern
-  #endif
-#endif
-
-#define __PYX_HAVE__src__screening__gap_rqtest
-#define __PYX_HAVE_API__src__screening__gap_rqtest
-/* Early includes */
-#include <string.h>
-#include <stdio.h>
-#include "numpy/arrayobject.h"
-#include "numpy/ndarrayobject.h"
-#include "numpy/ndarraytypes.h"
-#include "numpy/arrayscalars.h"
-#include "numpy/ufuncobject.h"
-
-    /* NumPy API declarations from "numpy/__init__.pxd" */
-    
-#ifdef _OPENMP
-#include <omp.h>
-#endif /* _OPENMP */
-
-#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS)
-#define CYTHON_WITHOUT_ASSERTIONS
-#endif
-
-typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding;
-                const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry;
-
-#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0
-#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8)
-#define __PYX_DEFAULT_STRING_ENCODING ""
-#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString
-#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#define __Pyx_uchar_cast(c) ((unsigned char)c)
-#define __Pyx_long_cast(x) ((long)x)
-#define __Pyx_fits_Py_ssize_t(v, type, is_signed)  (\
-    (sizeof(type) < sizeof(Py_ssize_t))  ||\
-    (sizeof(type) > sizeof(Py_ssize_t) &&\
-          likely(v < (type)PY_SSIZE_T_MAX ||\
-                 v == (type)PY_SSIZE_T_MAX)  &&\
-          (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\
-                                v == (type)PY_SSIZE_T_MIN)))  ||\
-    (sizeof(type) == sizeof(Py_ssize_t) &&\
-          (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\
-                               v == (type)PY_SSIZE_T_MAX)))  )
-static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) {
-    return (size_t) i < (size_t) limit;
-}
-#if defined (__cplusplus) && __cplusplus >= 201103L
-    #include <cstdlib>
-    #define __Pyx_sst_abs(value) std::abs(value)
-#elif SIZEOF_INT >= SIZEOF_SIZE_T
-    #define __Pyx_sst_abs(value) abs(value)
-#elif SIZEOF_LONG >= SIZEOF_SIZE_T
-    #define __Pyx_sst_abs(value) labs(value)
-#elif defined (_MSC_VER)
-    #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value))
-#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
-    #define __Pyx_sst_abs(value) llabs(value)
-#elif defined (__GNUC__)
-    #define __Pyx_sst_abs(value) __builtin_llabs(value)
-#else
-    #define __Pyx_sst_abs(value) ((value<0) ? -value : value)
-#endif
-static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*);
-static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length);
-#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s))
-#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l)
-#define __Pyx_PyBytes_FromString        PyBytes_FromString
-#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*);
-#if PY_MAJOR_VERSION < 3
-    #define __Pyx_PyStr_FromString        __Pyx_PyBytes_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize
-#else
-    #define __Pyx_PyStr_FromString        __Pyx_PyUnicode_FromString
-    #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize
-#endif
-#define __Pyx_PyBytes_AsWritableString(s)     ((char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyBytes_AsWritableSString(s)    ((signed char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyBytes_AsWritableUString(s)    ((unsigned char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyBytes_AsString(s)     ((const char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyBytes_AsSString(s)    ((const signed char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyBytes_AsUString(s)    ((const unsigned char*) PyBytes_AS_STRING(s))
-#define __Pyx_PyObject_AsWritableString(s)    ((char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsWritableSString(s)    ((signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsWritableUString(s)    ((unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsSString(s)    ((const signed char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_AsUString(s)    ((const unsigned char*) __Pyx_PyObject_AsString(s))
-#define __Pyx_PyObject_FromCString(s)  __Pyx_PyObject_FromString((const char*)s)
-#define __Pyx_PyBytes_FromCString(s)   __Pyx_PyBytes_FromString((const char*)s)
-#define __Pyx_PyByteArray_FromCString(s)   __Pyx_PyByteArray_FromString((const char*)s)
-#define __Pyx_PyStr_FromCString(s)     __Pyx_PyStr_FromString((const char*)s)
-#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s)
-static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
-    const Py_UNICODE *u_end = u;
-    while (*u_end++) ;
-    return (size_t)(u_end - u - 1);
-}
-#define __Pyx_PyUnicode_FromUnicode(u)       PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u))
-#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode
-#define __Pyx_PyUnicode_AsUnicode            PyUnicode_AsUnicode
-#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj)
-#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None)
-static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b);
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*);
-static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*);
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x);
-#define __Pyx_PySequence_Tuple(obj)\
-    (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj))
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*);
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t);
-#if CYTHON_ASSUME_SAFE_MACROS
-#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x))
-#else
-#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x)
-#endif
-#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x))
-#if PY_MAJOR_VERSION >= 3
-#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x))
-#else
-#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x))
-#endif
-#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x))
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-static int __Pyx_sys_getdefaultencoding_not_ascii;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys;
-    PyObject* default_encoding = NULL;
-    PyObject* ascii_chars_u = NULL;
-    PyObject* ascii_chars_b = NULL;
-    const char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (!sys) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL);
-    Py_DECREF(sys);
-    if (!default_encoding) goto bad;
-    default_encoding_c = PyBytes_AsString(default_encoding);
-    if (!default_encoding_c) goto bad;
-    if (strcmp(default_encoding_c, "ascii") == 0) {
-        __Pyx_sys_getdefaultencoding_not_ascii = 0;
-    } else {
-        char ascii_chars[128];
-        int c;
-        for (c = 0; c < 128; c++) {
-            ascii_chars[c] = c;
-        }
-        __Pyx_sys_getdefaultencoding_not_ascii = 1;
-        ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL);
-        if (!ascii_chars_u) goto bad;
-        ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL);
-        if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) {
-            PyErr_Format(
-                PyExc_ValueError,
-                "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.",
-                default_encoding_c);
-            goto bad;
-        }
-        Py_DECREF(ascii_chars_u);
-        Py_DECREF(ascii_chars_b);
-    }
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(default_encoding);
-    Py_XDECREF(ascii_chars_u);
-    Py_XDECREF(ascii_chars_b);
-    return -1;
-}
-#endif
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT && PY_MAJOR_VERSION >= 3
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_DecodeUTF8(c_str, size, NULL)
-#else
-#define __Pyx_PyUnicode_FromStringAndSize(c_str, size) PyUnicode_Decode(c_str, size, __PYX_DEFAULT_STRING_ENCODING, NULL)
-#if __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-static char* __PYX_DEFAULT_STRING_ENCODING;
-static int __Pyx_init_sys_getdefaultencoding_params(void) {
-    PyObject* sys;
-    PyObject* default_encoding = NULL;
-    char* default_encoding_c;
-    sys = PyImport_ImportModule("sys");
-    if (!sys) goto bad;
-    default_encoding = PyObject_CallMethod(sys, (char*) (const char*) "getdefaultencoding", NULL);
-    Py_DECREF(sys);
-    if (!default_encoding) goto bad;
-    default_encoding_c = PyBytes_AsString(default_encoding);
-    if (!default_encoding_c) goto bad;
-    __PYX_DEFAULT_STRING_ENCODING = (char*) malloc(strlen(default_encoding_c) + 1);
-    if (!__PYX_DEFAULT_STRING_ENCODING) goto bad;
-    strcpy(__PYX_DEFAULT_STRING_ENCODING, default_encoding_c);
-    Py_DECREF(default_encoding);
-    return 0;
-bad:
-    Py_XDECREF(default_encoding);
-    return -1;
-}
-#endif
-#endif
-
-
-/* Test for GCC > 2.95 */
-#if defined(__GNUC__)     && (__GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ > 95)))
-  #define likely(x)   __builtin_expect(!!(x), 1)
-  #define unlikely(x) __builtin_expect(!!(x), 0)
-#else /* !__GNUC__ or GCC < 2.95 */
-  #define likely(x)   (x)
-  #define unlikely(x) (x)
-#endif /* __GNUC__ */
-static CYTHON_INLINE void __Pyx_pretend_to_initialize(void* ptr) { (void)ptr; }
-
-static PyObject *__pyx_m = NULL;
-static PyObject *__pyx_d;
-static PyObject *__pyx_b;
-static PyObject *__pyx_cython_runtime = NULL;
-static PyObject *__pyx_empty_tuple;
-static PyObject *__pyx_empty_bytes;
-static PyObject *__pyx_empty_unicode;
-static int __pyx_lineno;
-static int __pyx_clineno = 0;
-static const char * __pyx_cfilenm= __FILE__;
-static const char *__pyx_filename;
-
-/* Header.proto */
-#if !defined(CYTHON_CCOMPLEX)
-  #if defined(__cplusplus)
-    #define CYTHON_CCOMPLEX 1
-  #elif defined(_Complex_I)
-    #define CYTHON_CCOMPLEX 1
-  #else
-    #define CYTHON_CCOMPLEX 0
-  #endif
-#endif
-#if CYTHON_CCOMPLEX
-  #ifdef __cplusplus
-    #include <complex>
-  #else
-    #include <complex.h>
-  #endif
-#endif
-#if CYTHON_CCOMPLEX && !defined(__cplusplus) && defined(__sun__) && defined(__GNUC__)
-  #undef _Complex_I
-  #define _Complex_I 1.0fj
-#endif
-
-
-static const char *__pyx_f[] = {
-  "src/screening/gap_rqtest.pyx",
-  "stringsource",
-  "venv/lib/python3.8/site-packages/numpy/__init__.pxd",
-  "venv/lib/python3.8/site-packages/Cython/Includes/cpython/type.pxd",
-};
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-enum __Pyx_ImportType_CheckSize {
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-/* Import.proto */
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-/* CodeObjectCache.proto */
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-/* AddTraceback.proto */
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
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-#if CYTHON_CCOMPLEX
-  #ifdef __cplusplus
-    #define __Pyx_CREAL(z) ((z).real())
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-    #define __Pyx_SET_CREAL(z,x) ((z).real(x))
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-    #define __Pyx_SET_CREAL(z,x) __Pyx_CREAL(z) = (x)
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-/* Arithmetic.proto */
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-    #define __Pyx_c_eq_float(a, b)   ((a)==(b))
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-static PyTypeObject *__pyx_ptype_5numpy_ndarray = 0;
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-static CYTHON_INLINE int __Pyx_Is_Little_Endian(void)
-{
-  union {
-    uint32_t u32;
-    uint8_t u8[4];
-  } S;
-  S.u32 = 0x01020304;
-  return S.u8[0] == 4;
-}
-
-/* BufferFormatCheck */
-static void __Pyx_BufFmt_Init(__Pyx_BufFmt_Context* ctx,
-                              __Pyx_BufFmt_StackElem* stack,
-                              __Pyx_TypeInfo* type) {
-  stack[0].field = &ctx->root;
-  stack[0].parent_offset = 0;
-  ctx->root.type = type;
-  ctx->root.name = "buffer dtype";
-  ctx->root.offset = 0;
-  ctx->head = stack;
-  ctx->head->field = &ctx->root;
-  ctx->fmt_offset = 0;
-  ctx->head->parent_offset = 0;
-  ctx->new_packmode = '@';
-  ctx->enc_packmode = '@';
-  ctx->new_count = 1;
-  ctx->enc_count = 0;
-  ctx->enc_type = 0;
-  ctx->is_complex = 0;
-  ctx->is_valid_array = 0;
-  ctx->struct_alignment = 0;
-  while (type->typegroup == 'S') {
-    ++ctx->head;
-    ctx->head->field = type->fields;
-    ctx->head->parent_offset = 0;
-    type = type->fields->type;
-  }
-}
-static int __Pyx_BufFmt_ParseNumber(const char** ts) {
-    int count;
-    const char* t = *ts;
-    if (*t < '0' || *t > '9') {
-      return -1;
-    } else {
-        count = *t++ - '0';
-        while (*t >= '0' && *t <= '9') {
-            count *= 10;
-            count += *t++ - '0';
-        }
-    }
-    *ts = t;
-    return count;
-}
-static int __Pyx_BufFmt_ExpectNumber(const char **ts) {
-    int number = __Pyx_BufFmt_ParseNumber(ts);
-    if (number == -1)
-        PyErr_Format(PyExc_ValueError,\
-                     "Does not understand character buffer dtype format string ('%c')", **ts);
-    return number;
-}
-static void __Pyx_BufFmt_RaiseUnexpectedChar(char ch) {
-  PyErr_Format(PyExc_ValueError,
-               "Unexpected format string character: '%c'", ch);
-}
-static const char* __Pyx_BufFmt_DescribeTypeChar(char ch, int is_complex) {
-  switch (ch) {
-    case '?': return "'bool'";
-    case 'c': return "'char'";
-    case 'b': return "'signed char'";
-    case 'B': return "'unsigned char'";
-    case 'h': return "'short'";
-    case 'H': return "'unsigned short'";
-    case 'i': return "'int'";
-    case 'I': return "'unsigned int'";
-    case 'l': return "'long'";
-    case 'L': return "'unsigned long'";
-    case 'q': return "'long long'";
-    case 'Q': return "'unsigned long long'";
-    case 'f': return (is_complex ? "'complex float'" : "'float'");
-    case 'd': return (is_complex ? "'complex double'" : "'double'");
-    case 'g': return (is_complex ? "'complex long double'" : "'long double'");
-    case 'T': return "a struct";
-    case 'O': return "Python object";
-    case 'P': return "a pointer";
-    case 's': case 'p': return "a string";
-    case 0: return "end";
-    default: return "unparseable format string";
-  }
-}
-static size_t __Pyx_BufFmt_TypeCharToStandardSize(char ch, int is_complex) {
-  switch (ch) {
-    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
-    case 'h': case 'H': return 2;
-    case 'i': case 'I': case 'l': case 'L': return 4;
-    case 'q': case 'Q': return 8;
-    case 'f': return (is_complex ? 8 : 4);
-    case 'd': return (is_complex ? 16 : 8);
-    case 'g': {
-      PyErr_SetString(PyExc_ValueError, "Python does not define a standard format string size for long double ('g')..");
-      return 0;
-    }
-    case 'O': case 'P': return sizeof(void*);
-    default:
-      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
-      return 0;
-    }
-}
-static size_t __Pyx_BufFmt_TypeCharToNativeSize(char ch, int is_complex) {
-  switch (ch) {
-    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
-    case 'h': case 'H': return sizeof(short);
-    case 'i': case 'I': return sizeof(int);
-    case 'l': case 'L': return sizeof(long);
-    #ifdef HAVE_LONG_LONG
-    case 'q': case 'Q': return sizeof(PY_LONG_LONG);
-    #endif
-    case 'f': return sizeof(float) * (is_complex ? 2 : 1);
-    case 'd': return sizeof(double) * (is_complex ? 2 : 1);
-    case 'g': return sizeof(long double) * (is_complex ? 2 : 1);
-    case 'O': case 'P': return sizeof(void*);
-    default: {
-      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
-      return 0;
-    }
-  }
-}
-typedef struct { char c; short x; } __Pyx_st_short;
-typedef struct { char c; int x; } __Pyx_st_int;
-typedef struct { char c; long x; } __Pyx_st_long;
-typedef struct { char c; float x; } __Pyx_st_float;
-typedef struct { char c; double x; } __Pyx_st_double;
-typedef struct { char c; long double x; } __Pyx_st_longdouble;
-typedef struct { char c; void *x; } __Pyx_st_void_p;
-#ifdef HAVE_LONG_LONG
-typedef struct { char c; PY_LONG_LONG x; } __Pyx_st_longlong;
-#endif
-static size_t __Pyx_BufFmt_TypeCharToAlignment(char ch, CYTHON_UNUSED int is_complex) {
-  switch (ch) {
-    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
-    case 'h': case 'H': return sizeof(__Pyx_st_short) - sizeof(short);
-    case 'i': case 'I': return sizeof(__Pyx_st_int) - sizeof(int);
-    case 'l': case 'L': return sizeof(__Pyx_st_long) - sizeof(long);
-#ifdef HAVE_LONG_LONG
-    case 'q': case 'Q': return sizeof(__Pyx_st_longlong) - sizeof(PY_LONG_LONG);
-#endif
-    case 'f': return sizeof(__Pyx_st_float) - sizeof(float);
-    case 'd': return sizeof(__Pyx_st_double) - sizeof(double);
-    case 'g': return sizeof(__Pyx_st_longdouble) - sizeof(long double);
-    case 'P': case 'O': return sizeof(__Pyx_st_void_p) - sizeof(void*);
-    default:
-      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
-      return 0;
-    }
-}
-/* These are for computing the padding at the end of the struct to align
-   on the first member of the struct. This will probably the same as above,
-   but we don't have any guarantees.
- */
-typedef struct { short x; char c; } __Pyx_pad_short;
-typedef struct { int x; char c; } __Pyx_pad_int;
-typedef struct { long x; char c; } __Pyx_pad_long;
-typedef struct { float x; char c; } __Pyx_pad_float;
-typedef struct { double x; char c; } __Pyx_pad_double;
-typedef struct { long double x; char c; } __Pyx_pad_longdouble;
-typedef struct { void *x; char c; } __Pyx_pad_void_p;
-#ifdef HAVE_LONG_LONG
-typedef struct { PY_LONG_LONG x; char c; } __Pyx_pad_longlong;
-#endif
-static size_t __Pyx_BufFmt_TypeCharToPadding(char ch, CYTHON_UNUSED int is_complex) {
-  switch (ch) {
-    case '?': case 'c': case 'b': case 'B': case 's': case 'p': return 1;
-    case 'h': case 'H': return sizeof(__Pyx_pad_short) - sizeof(short);
-    case 'i': case 'I': return sizeof(__Pyx_pad_int) - sizeof(int);
-    case 'l': case 'L': return sizeof(__Pyx_pad_long) - sizeof(long);
-#ifdef HAVE_LONG_LONG
-    case 'q': case 'Q': return sizeof(__Pyx_pad_longlong) - sizeof(PY_LONG_LONG);
-#endif
-    case 'f': return sizeof(__Pyx_pad_float) - sizeof(float);
-    case 'd': return sizeof(__Pyx_pad_double) - sizeof(double);
-    case 'g': return sizeof(__Pyx_pad_longdouble) - sizeof(long double);
-    case 'P': case 'O': return sizeof(__Pyx_pad_void_p) - sizeof(void*);
-    default:
-      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
-      return 0;
-    }
-}
-static char __Pyx_BufFmt_TypeCharToGroup(char ch, int is_complex) {
-  switch (ch) {
-    case 'c':
-        return 'H';
-    case 'b': case 'h': case 'i':
-    case 'l': case 'q': case 's': case 'p':
-        return 'I';
-    case '?': case 'B': case 'H': case 'I': case 'L': case 'Q':
-        return 'U';
-    case 'f': case 'd': case 'g':
-        return (is_complex ? 'C' : 'R');
-    case 'O':
-        return 'O';
-    case 'P':
-        return 'P';
-    default: {
-      __Pyx_BufFmt_RaiseUnexpectedChar(ch);
-      return 0;
-    }
-  }
-}
-static void __Pyx_BufFmt_RaiseExpected(__Pyx_BufFmt_Context* ctx) {
-  if (ctx->head == NULL || ctx->head->field == &ctx->root) {
-    const char* expected;
-    const char* quote;
-    if (ctx->head == NULL) {
-      expected = "end";
-      quote = "";
-    } else {
-      expected = ctx->head->field->type->name;
-      quote = "'";
-    }
-    PyErr_Format(PyExc_ValueError,
-                 "Buffer dtype mismatch, expected %s%s%s but got %s",
-                 quote, expected, quote,
-                 __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex));
-  } else {
-    __Pyx_StructField* field = ctx->head->field;
-    __Pyx_StructField* parent = (ctx->head - 1)->field;
-    PyErr_Format(PyExc_ValueError,
-                 "Buffer dtype mismatch, expected '%s' but got %s in '%s.%s'",
-                 field->type->name, __Pyx_BufFmt_DescribeTypeChar(ctx->enc_type, ctx->is_complex),
-                 parent->type->name, field->name);
-  }
-}
-static int __Pyx_BufFmt_ProcessTypeChunk(__Pyx_BufFmt_Context* ctx) {
-  char group;
-  size_t size, offset, arraysize = 1;
-  if (ctx->enc_type == 0) return 0;
-  if (ctx->head->field->type->arraysize[0]) {
-    int i, ndim = 0;
-    if (ctx->enc_type == 's' || ctx->enc_type == 'p') {
-        ctx->is_valid_array = ctx->head->field->type->ndim == 1;
-        ndim = 1;
-        if (ctx->enc_count != ctx->head->field->type->arraysize[0]) {
-            PyErr_Format(PyExc_ValueError,
-                         "Expected a dimension of size %zu, got %zu",
-                         ctx->head->field->type->arraysize[0], ctx->enc_count);
-            return -1;
-        }
-    }
-    if (!ctx->is_valid_array) {
-      PyErr_Format(PyExc_ValueError, "Expected %d dimensions, got %d",
-                   ctx->head->field->type->ndim, ndim);
-      return -1;
-    }
-    for (i = 0; i < ctx->head->field->type->ndim; i++) {
-      arraysize *= ctx->head->field->type->arraysize[i];
-    }
-    ctx->is_valid_array = 0;
-    ctx->enc_count = 1;
-  }
-  group = __Pyx_BufFmt_TypeCharToGroup(ctx->enc_type, ctx->is_complex);
-  do {
-    __Pyx_StructField* field = ctx->head->field;
-    __Pyx_TypeInfo* type = field->type;
-    if (ctx->enc_packmode == '@' || ctx->enc_packmode == '^') {
-      size = __Pyx_BufFmt_TypeCharToNativeSize(ctx->enc_type, ctx->is_complex);
-    } else {
-      size = __Pyx_BufFmt_TypeCharToStandardSize(ctx->enc_type, ctx->is_complex);
-    }
-    if (ctx->enc_packmode == '@') {
-      size_t align_at = __Pyx_BufFmt_TypeCharToAlignment(ctx->enc_type, ctx->is_complex);
-      size_t align_mod_offset;
-      if (align_at == 0) return -1;
-      align_mod_offset = ctx->fmt_offset % align_at;
-      if (align_mod_offset > 0) ctx->fmt_offset += align_at - align_mod_offset;
-      if (ctx->struct_alignment == 0)
-          ctx->struct_alignment = __Pyx_BufFmt_TypeCharToPadding(ctx->enc_type,
-                                                                 ctx->is_complex);
-    }
-    if (type->size != size || type->typegroup != group) {
-      if (type->typegroup == 'C' && type->fields != NULL) {
-        size_t parent_offset = ctx->head->parent_offset + field->offset;
-        ++ctx->head;
-        ctx->head->field = type->fields;
-        ctx->head->parent_offset = parent_offset;
-        continue;
-      }
-      if ((type->typegroup == 'H' || group == 'H') && type->size == size) {
-      } else {
-          __Pyx_BufFmt_RaiseExpected(ctx);
-          return -1;
-      }
-    }
-    offset = ctx->head->parent_offset + field->offset;
-    if (ctx->fmt_offset != offset) {
-      PyErr_Format(PyExc_ValueError,
-                   "Buffer dtype mismatch; next field is at offset %" CYTHON_FORMAT_SSIZE_T "d but %" CYTHON_FORMAT_SSIZE_T "d expected",
-                   (Py_ssize_t)ctx->fmt_offset, (Py_ssize_t)offset);
-      return -1;
-    }
-    ctx->fmt_offset += size;
-    if (arraysize)
-      ctx->fmt_offset += (arraysize - 1) * size;
-    --ctx->enc_count;
-    while (1) {
-      if (field == &ctx->root) {
-        ctx->head = NULL;
-        if (ctx->enc_count != 0) {
-          __Pyx_BufFmt_RaiseExpected(ctx);
-          return -1;
-        }
-        break;
-      }
-      ctx->head->field = ++field;
-      if (field->type == NULL) {
-        --ctx->head;
-        field = ctx->head->field;
-        continue;
-      } else if (field->type->typegroup == 'S') {
-        size_t parent_offset = ctx->head->parent_offset + field->offset;
-        if (field->type->fields->type == NULL) continue;
-        field = field->type->fields;
-        ++ctx->head;
-        ctx->head->field = field;
-        ctx->head->parent_offset = parent_offset;
-        break;
-      } else {
-        break;
-      }
-    }
-  } while (ctx->enc_count);
-  ctx->enc_type = 0;
-  ctx->is_complex = 0;
-  return 0;
-}
-static PyObject *
-__pyx_buffmt_parse_array(__Pyx_BufFmt_Context* ctx, const char** tsp)
-{
-    const char *ts = *tsp;
-    int i = 0, number, ndim;
-    ++ts;
-    if (ctx->new_count != 1) {
-        PyErr_SetString(PyExc_ValueError,
-                        "Cannot handle repeated arrays in format string");
-        return NULL;
-    }
-    if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
-    ndim = ctx->head->field->type->ndim;
-    while (*ts && *ts != ')') {
-        switch (*ts) {
-            case ' ': case '\f': case '\r': case '\n': case '\t': case '\v':  continue;
-            default:  break;
-        }
-        number = __Pyx_BufFmt_ExpectNumber(&ts);
-        if (number == -1) return NULL;
-        if (i < ndim && (size_t) number != ctx->head->field->type->arraysize[i])
-            return PyErr_Format(PyExc_ValueError,
-                        "Expected a dimension of size %zu, got %d",
-                        ctx->head->field->type->arraysize[i], number);
-        if (*ts != ',' && *ts != ')')
-            return PyErr_Format(PyExc_ValueError,
-                                "Expected a comma in format string, got '%c'", *ts);
-        if (*ts == ',') ts++;
-        i++;
-    }
-    if (i != ndim)
-        return PyErr_Format(PyExc_ValueError, "Expected %d dimension(s), got %d",
-                            ctx->head->field->type->ndim, i);
-    if (!*ts) {
-        PyErr_SetString(PyExc_ValueError,
-                        "Unexpected end of format string, expected ')'");
-        return NULL;
-    }
-    ctx->is_valid_array = 1;
-    ctx->new_count = 1;
-    *tsp = ++ts;
-    return Py_None;
-}
-static const char* __Pyx_BufFmt_CheckString(__Pyx_BufFmt_Context* ctx, const char* ts) {
-  int got_Z = 0;
-  while (1) {
-    switch(*ts) {
-      case 0:
-        if (ctx->enc_type != 0 && ctx->head == NULL) {
-          __Pyx_BufFmt_RaiseExpected(ctx);
-          return NULL;
-        }
-        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
-        if (ctx->head != NULL) {
-          __Pyx_BufFmt_RaiseExpected(ctx);
-          return NULL;
-        }
-        return ts;
-      case ' ':
-      case '\r':
-      case '\n':
-        ++ts;
-        break;
-      case '<':
-        if (!__Pyx_Is_Little_Endian()) {
-          PyErr_SetString(PyExc_ValueError, "Little-endian buffer not supported on big-endian compiler");
-          return NULL;
-        }
-        ctx->new_packmode = '=';
-        ++ts;
-        break;
-      case '>':
-      case '!':
-        if (__Pyx_Is_Little_Endian()) {
-          PyErr_SetString(PyExc_ValueError, "Big-endian buffer not supported on little-endian compiler");
-          return NULL;
-        }
-        ctx->new_packmode = '=';
-        ++ts;
-        break;
-      case '=':
-      case '@':
-      case '^':
-        ctx->new_packmode = *ts++;
-        break;
-      case 'T':
-        {
-          const char* ts_after_sub;
-          size_t i, struct_count = ctx->new_count;
-          size_t struct_alignment = ctx->struct_alignment;
-          ctx->new_count = 1;
-          ++ts;
-          if (*ts != '{') {
-            PyErr_SetString(PyExc_ValueError, "Buffer acquisition: Expected '{' after 'T'");
-            return NULL;
-          }
-          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
-          ctx->enc_type = 0;
-          ctx->enc_count = 0;
-          ctx->struct_alignment = 0;
-          ++ts;
-          ts_after_sub = ts;
-          for (i = 0; i != struct_count; ++i) {
-            ts_after_sub = __Pyx_BufFmt_CheckString(ctx, ts);
-            if (!ts_after_sub) return NULL;
-          }
-          ts = ts_after_sub;
-          if (struct_alignment) ctx->struct_alignment = struct_alignment;
-        }
-        break;
-      case '}':
-        {
-          size_t alignment = ctx->struct_alignment;
-          ++ts;
-          if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
-          ctx->enc_type = 0;
-          if (alignment && ctx->fmt_offset % alignment) {
-            ctx->fmt_offset += alignment - (ctx->fmt_offset % alignment);
-          }
-        }
-        return ts;
-      case 'x':
-        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
-        ctx->fmt_offset += ctx->new_count;
-        ctx->new_count = 1;
-        ctx->enc_count = 0;
-        ctx->enc_type = 0;
-        ctx->enc_packmode = ctx->new_packmode;
-        ++ts;
-        break;
-      case 'Z':
-        got_Z = 1;
-        ++ts;
-        if (*ts != 'f' && *ts != 'd' && *ts != 'g') {
-          __Pyx_BufFmt_RaiseUnexpectedChar('Z');
-          return NULL;
-        }
-        CYTHON_FALLTHROUGH;
-      case '?': case 'c': case 'b': case 'B': case 'h': case 'H': case 'i': case 'I':
-      case 'l': case 'L': case 'q': case 'Q':
-      case 'f': case 'd': case 'g':
-      case 'O': case 'p':
-        if ((ctx->enc_type == *ts) && (got_Z == ctx->is_complex) &&
-            (ctx->enc_packmode == ctx->new_packmode) && (!ctx->is_valid_array)) {
-          ctx->enc_count += ctx->new_count;
-          ctx->new_count = 1;
-          got_Z = 0;
-          ++ts;
-          break;
-        }
-        CYTHON_FALLTHROUGH;
-      case 's':
-        if (__Pyx_BufFmt_ProcessTypeChunk(ctx) == -1) return NULL;
-        ctx->enc_count = ctx->new_count;
-        ctx->enc_packmode = ctx->new_packmode;
-        ctx->enc_type = *ts;
-        ctx->is_complex = got_Z;
-        ++ts;
-        ctx->new_count = 1;
-        got_Z = 0;
-        break;
-      case ':':
-        ++ts;
-        while(*ts != ':') ++ts;
-        ++ts;
-        break;
-      case '(':
-        if (!__pyx_buffmt_parse_array(ctx, &ts)) return NULL;
-        break;
-      default:
-        {
-          int number = __Pyx_BufFmt_ExpectNumber(&ts);
-          if (number == -1) return NULL;
-          ctx->new_count = (size_t)number;
-        }
-    }
-  }
-}
-
-/* BufferGetAndValidate */
-  static CYTHON_INLINE void __Pyx_SafeReleaseBuffer(Py_buffer* info) {
-  if (unlikely(info->buf == NULL)) return;
-  if (info->suboffsets == __Pyx_minusones) info->suboffsets = NULL;
-  __Pyx_ReleaseBuffer(info);
-}
-static void __Pyx_ZeroBuffer(Py_buffer* buf) {
-  buf->buf = NULL;
-  buf->obj = NULL;
-  buf->strides = __Pyx_zeros;
-  buf->shape = __Pyx_zeros;
-  buf->suboffsets = __Pyx_minusones;
-}
-static int __Pyx__GetBufferAndValidate(
-        Py_buffer* buf, PyObject* obj,  __Pyx_TypeInfo* dtype, int flags,
-        int nd, int cast, __Pyx_BufFmt_StackElem* stack)
-{
-  buf->buf = NULL;
-  if (unlikely(__Pyx_GetBuffer(obj, buf, flags) == -1)) {
-    __Pyx_ZeroBuffer(buf);
-    return -1;
-  }
-  if (unlikely(buf->ndim != nd)) {
-    PyErr_Format(PyExc_ValueError,
-                 "Buffer has wrong number of dimensions (expected %d, got %d)",
-                 nd, buf->ndim);
-    goto fail;
-  }
-  if (!cast) {
-    __Pyx_BufFmt_Context ctx;
-    __Pyx_BufFmt_Init(&ctx, stack, dtype);
-    if (!__Pyx_BufFmt_CheckString(&ctx, buf->format)) goto fail;
-  }
-  if (unlikely((size_t)buf->itemsize != dtype->size)) {
-    PyErr_Format(PyExc_ValueError,
-      "Item size of buffer (%" CYTHON_FORMAT_SSIZE_T "d byte%s) does not match size of '%s' (%" CYTHON_FORMAT_SSIZE_T "d byte%s)",
-      buf->itemsize, (buf->itemsize > 1) ? "s" : "",
-      dtype->name, (Py_ssize_t)dtype->size, (dtype->size > 1) ? "s" : "");
-    goto fail;
-  }
-  if (buf->suboffsets == NULL) buf->suboffsets = __Pyx_minusones;
-  return 0;
-fail:;
-  __Pyx_SafeReleaseBuffer(buf);
-  return -1;
-}
-
-/* PyErrFetchRestore */
-  #if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    tmp_type = tstate->curexc_type;
-    tmp_value = tstate->curexc_value;
-    tmp_tb = tstate->curexc_traceback;
-    tstate->curexc_type = type;
-    tstate->curexc_value = value;
-    tstate->curexc_traceback = tb;
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-}
-static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    *type = tstate->curexc_type;
-    *value = tstate->curexc_value;
-    *tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-}
-#endif
-
-/* PyDictVersioning */
-  #if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS
-static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) {
-    PyObject *dict = Py_TYPE(obj)->tp_dict;
-    return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0;
-}
-static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) {
-    PyObject **dictptr = NULL;
-    Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset;
-    if (offset) {
-#if CYTHON_COMPILING_IN_CPYTHON
-        dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj);
-#else
-        dictptr = _PyObject_GetDictPtr(obj);
-#endif
-    }
-    return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0;
-}
-static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) {
-    PyObject *dict = Py_TYPE(obj)->tp_dict;
-    if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict)))
-        return 0;
-    return obj_dict_version == __Pyx_get_object_dict_version(obj);
-}
-#endif
-
-/* GetModuleGlobalName */
-  #if CYTHON_USE_DICT_VERSIONS
-static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value)
-#else
-static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name)
-#endif
-{
-    PyObject *result;
-#if !CYTHON_AVOID_BORROWED_REFS
-#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1
-    result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash);
-    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
-    if (likely(result)) {
-        return __Pyx_NewRef(result);
-    } else if (unlikely(PyErr_Occurred())) {
-        return NULL;
-    }
-#else
-    result = PyDict_GetItem(__pyx_d, name);
-    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
-    if (likely(result)) {
-        return __Pyx_NewRef(result);
-    }
-#endif
-#else
-    result = PyObject_GetItem(__pyx_d, name);
-    __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version)
-    if (likely(result)) {
-        return __Pyx_NewRef(result);
-    }
-    PyErr_Clear();
-#endif
-    return __Pyx_GetBuiltinName(name);
-}
-
-/* PyCFunctionFastCall */
-  #if CYTHON_FAST_PYCCALL
-static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) {
-    PyCFunctionObject *func = (PyCFunctionObject*)func_obj;
-    PyCFunction meth = PyCFunction_GET_FUNCTION(func);
-    PyObject *self = PyCFunction_GET_SELF(func);
-    int flags = PyCFunction_GET_FLAGS(func);
-    assert(PyCFunction_Check(func));
-    assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS)));
-    assert(nargs >= 0);
-    assert(nargs == 0 || args != NULL);
-    /* _PyCFunction_FastCallDict() must not be called with an exception set,
-       because it may clear it (directly or indirectly) and so the
-       caller loses its exception */
-    assert(!PyErr_Occurred());
-    if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) {
-        return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL);
-    } else {
-        return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs);
-    }
-}
-#endif
-
-/* PyFunctionFastCall */
-  #if CYTHON_FAST_PYCALL
-static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na,
-                                               PyObject *globals) {
-    PyFrameObject *f;
-    PyThreadState *tstate = __Pyx_PyThreadState_Current;
-    PyObject **fastlocals;
-    Py_ssize_t i;
-    PyObject *result;
-    assert(globals != NULL);
-    /* XXX Perhaps we should create a specialized
-       PyFrame_New() that doesn't take locals, but does
-       take builtins without sanity checking them.
-       */
-    assert(tstate != NULL);
-    f = PyFrame_New(tstate, co, globals, NULL);
-    if (f == NULL) {
-        return NULL;
-    }
-    fastlocals = __Pyx_PyFrame_GetLocalsplus(f);
-    for (i = 0; i < na; i++) {
-        Py_INCREF(*args);
-        fastlocals[i] = *args++;
-    }
-    result = PyEval_EvalFrameEx(f,0);
-    ++tstate->recursion_depth;
-    Py_DECREF(f);
-    --tstate->recursion_depth;
-    return result;
-}
-#if 1 || PY_VERSION_HEX < 0x030600B1
-static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) {
-    PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func);
-    PyObject *globals = PyFunction_GET_GLOBALS(func);
-    PyObject *argdefs = PyFunction_GET_DEFAULTS(func);
-    PyObject *closure;
-#if PY_MAJOR_VERSION >= 3
-    PyObject *kwdefs;
-#endif
-    PyObject *kwtuple, **k;
-    PyObject **d;
-    Py_ssize_t nd;
-    Py_ssize_t nk;
-    PyObject *result;
-    assert(kwargs == NULL || PyDict_Check(kwargs));
-    nk = kwargs ? PyDict_Size(kwargs) : 0;
-    if (Py_EnterRecursiveCall((char*)" while calling a Python object")) {
-        return NULL;
-    }
-    if (
-#if PY_MAJOR_VERSION >= 3
-            co->co_kwonlyargcount == 0 &&
-#endif
-            likely(kwargs == NULL || nk == 0) &&
-            co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) {
-        if (argdefs == NULL && co->co_argcount == nargs) {
-            result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals);
-            goto done;
-        }
-        else if (nargs == 0 && argdefs != NULL
-                 && co->co_argcount == Py_SIZE(argdefs)) {
-            /* function called with no arguments, but all parameters have
-               a default value: use default values as arguments .*/
-            args = &PyTuple_GET_ITEM(argdefs, 0);
-            result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals);
-            goto done;
-        }
-    }
-    if (kwargs != NULL) {
-        Py_ssize_t pos, i;
-        kwtuple = PyTuple_New(2 * nk);
-        if (kwtuple == NULL) {
-            result = NULL;
-            goto done;
-        }
-        k = &PyTuple_GET_ITEM(kwtuple, 0);
-        pos = i = 0;
-        while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) {
-            Py_INCREF(k[i]);
-            Py_INCREF(k[i+1]);
-            i += 2;
-        }
-        nk = i / 2;
-    }
-    else {
-        kwtuple = NULL;
-        k = NULL;
-    }
-    closure = PyFunction_GET_CLOSURE(func);
-#if PY_MAJOR_VERSION >= 3
-    kwdefs = PyFunction_GET_KW_DEFAULTS(func);
-#endif
-    if (argdefs != NULL) {
-        d = &PyTuple_GET_ITEM(argdefs, 0);
-        nd = Py_SIZE(argdefs);
-    }
-    else {
-        d = NULL;
-        nd = 0;
-    }
-#if PY_MAJOR_VERSION >= 3
-    result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL,
-                               args, (int)nargs,
-                               k, (int)nk,
-                               d, (int)nd, kwdefs, closure);
-#else
-    result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL,
-                               args, (int)nargs,
-                               k, (int)nk,
-                               d, (int)nd, closure);
-#endif
-    Py_XDECREF(kwtuple);
-done:
-    Py_LeaveRecursiveCall();
-    return result;
-}
-#endif
-#endif
-
-/* PyObjectCall */
-  #if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) {
-    PyObject *result;
-    ternaryfunc call = Py_TYPE(func)->tp_call;
-    if (unlikely(!call))
-        return PyObject_Call(func, arg, kw);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = (*call)(func, arg, kw);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-/* PyObjectCall2Args */
-  static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) {
-    PyObject *args, *result = NULL;
-    #if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(function)) {
-        PyObject *args[2] = {arg1, arg2};
-        return __Pyx_PyFunction_FastCall(function, args, 2);
-    }
-    #endif
-    #if CYTHON_FAST_PYCCALL
-    if (__Pyx_PyFastCFunction_Check(function)) {
-        PyObject *args[2] = {arg1, arg2};
-        return __Pyx_PyCFunction_FastCall(function, args, 2);
-    }
-    #endif
-    args = PyTuple_New(2);
-    if (unlikely(!args)) goto done;
-    Py_INCREF(arg1);
-    PyTuple_SET_ITEM(args, 0, arg1);
-    Py_INCREF(arg2);
-    PyTuple_SET_ITEM(args, 1, arg2);
-    Py_INCREF(function);
-    result = __Pyx_PyObject_Call(function, args, NULL);
-    Py_DECREF(args);
-    Py_DECREF(function);
-done:
-    return result;
-}
-
-/* PyObjectCallMethO */
-  #if CYTHON_COMPILING_IN_CPYTHON
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) {
-    PyObject *self, *result;
-    PyCFunction cfunc;
-    cfunc = PyCFunction_GET_FUNCTION(func);
-    self = PyCFunction_GET_SELF(func);
-    if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object")))
-        return NULL;
-    result = cfunc(self, arg);
-    Py_LeaveRecursiveCall();
-    if (unlikely(!result) && unlikely(!PyErr_Occurred())) {
-        PyErr_SetString(
-            PyExc_SystemError,
-            "NULL result without error in PyObject_Call");
-    }
-    return result;
-}
-#endif
-
-/* PyObjectCallOneArg */
-  #if CYTHON_COMPILING_IN_CPYTHON
-static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_New(1);
-    if (unlikely(!args)) return NULL;
-    Py_INCREF(arg);
-    PyTuple_SET_ITEM(args, 0, arg);
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-#if CYTHON_FAST_PYCALL
-    if (PyFunction_Check(func)) {
-        return __Pyx_PyFunction_FastCall(func, &arg, 1);
-    }
-#endif
-    if (likely(PyCFunction_Check(func))) {
-        if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) {
-            return __Pyx_PyObject_CallMethO(func, arg);
-#if CYTHON_FAST_PYCCALL
-        } else if (__Pyx_PyFastCFunction_Check(func)) {
-            return __Pyx_PyCFunction_FastCall(func, &arg, 1);
-#endif
-        }
-    }
-    return __Pyx__PyObject_CallOneArg(func, arg);
-}
-#else
-static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) {
-    PyObject *result;
-    PyObject *args = PyTuple_Pack(1, arg);
-    if (unlikely(!args)) return NULL;
-    result = __Pyx_PyObject_Call(func, args, NULL);
-    Py_DECREF(args);
-    return result;
-}
-#endif
-
-/* ExtTypeTest */
-  static CYTHON_INLINE int __Pyx_TypeTest(PyObject *obj, PyTypeObject *type) {
-    if (unlikely(!type)) {
-        PyErr_SetString(PyExc_SystemError, "Missing type object");
-        return 0;
-    }
-    if (likely(__Pyx_TypeCheck(obj, type)))
-        return 1;
-    PyErr_Format(PyExc_TypeError, "Cannot convert %.200s to %.200s",
-                 Py_TYPE(obj)->tp_name, type->tp_name);
-    return 0;
-}
-
-/* BufferFallbackError */
-  static void __Pyx_RaiseBufferFallbackError(void) {
-  PyErr_SetString(PyExc_ValueError,
-     "Buffer acquisition failed on assignment; and then reacquiring the old buffer failed too!");
-}
-
-/* GetItemInt */
-  static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) {
-    PyObject *r;
-    if (!j) return NULL;
-    r = PyObject_GetItem(o, j);
-    Py_DECREF(j);
-    return r;
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i,
-                                                              CYTHON_NCP_UNUSED int wraparound,
-                                                              CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    Py_ssize_t wrapped_i = i;
-    if (wraparound & unlikely(i < 0)) {
-        wrapped_i += PyList_GET_SIZE(o);
-    }
-    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) {
-        PyObject *r = PyList_GET_ITEM(o, wrapped_i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i,
-                                                              CYTHON_NCP_UNUSED int wraparound,
-                                                              CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS
-    Py_ssize_t wrapped_i = i;
-    if (wraparound & unlikely(i < 0)) {
-        wrapped_i += PyTuple_GET_SIZE(o);
-    }
-    if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) {
-        PyObject *r = PyTuple_GET_ITEM(o, wrapped_i);
-        Py_INCREF(r);
-        return r;
-    }
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-#else
-    return PySequence_GetItem(o, i);
-#endif
-}
-static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list,
-                                                     CYTHON_NCP_UNUSED int wraparound,
-                                                     CYTHON_NCP_UNUSED int boundscheck) {
-#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS
-    if (is_list || PyList_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o);
-        if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) {
-            PyObject *r = PyList_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    }
-    else if (PyTuple_CheckExact(o)) {
-        Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o);
-        if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) {
-            PyObject *r = PyTuple_GET_ITEM(o, n);
-            Py_INCREF(r);
-            return r;
-        }
-    } else {
-        PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence;
-        if (likely(m && m->sq_item)) {
-            if (wraparound && unlikely(i < 0) && likely(m->sq_length)) {
-                Py_ssize_t l = m->sq_length(o);
-                if (likely(l >= 0)) {
-                    i += l;
-                } else {
-                    if (!PyErr_ExceptionMatches(PyExc_OverflowError))
-                        return NULL;
-                    PyErr_Clear();
-                }
-            }
-            return m->sq_item(o, i);
-        }
-    }
-#else
-    if (is_list || PySequence_Check(o)) {
-        return PySequence_GetItem(o, i);
-    }
-#endif
-    return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i));
-}
-
-/* ObjectGetItem */
-  #if CYTHON_USE_TYPE_SLOTS
-static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) {
-    PyObject *runerr;
-    Py_ssize_t key_value;
-    PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence;
-    if (unlikely(!(m && m->sq_item))) {
-        PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name);
-        return NULL;
-    }
-    key_value = __Pyx_PyIndex_AsSsize_t(index);
-    if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) {
-        return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1);
-    }
-    if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) {
-        PyErr_Clear();
-        PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name);
-    }
-    return NULL;
-}
-static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) {
-    PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping;
-    if (likely(m && m->mp_subscript)) {
-        return m->mp_subscript(obj, key);
-    }
-    return __Pyx_PyObject_GetIndex(obj, key);
-}
-#endif
-
-/* RaiseException */
-  #if PY_MAJOR_VERSION < 3
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb,
-                        CYTHON_UNUSED PyObject *cause) {
-    __Pyx_PyThreadState_declare
-    Py_XINCREF(type);
-    if (!value || value == Py_None)
-        value = NULL;
-    else
-        Py_INCREF(value);
-    if (!tb || tb == Py_None)
-        tb = NULL;
-    else {
-        Py_INCREF(tb);
-        if (!PyTraceBack_Check(tb)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: arg 3 must be a traceback or None");
-            goto raise_error;
-        }
-    }
-    if (PyType_Check(type)) {
-#if CYTHON_COMPILING_IN_PYPY
-        if (!value) {
-            Py_INCREF(Py_None);
-            value = Py_None;
-        }
-#endif
-        PyErr_NormalizeException(&type, &value, &tb);
-    } else {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto raise_error;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(type);
-        Py_INCREF(type);
-        if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) {
-            PyErr_SetString(PyExc_TypeError,
-                "raise: exception class must be a subclass of BaseException");
-            goto raise_error;
-        }
-    }
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrRestore(type, value, tb);
-    return;
-raise_error:
-    Py_XDECREF(value);
-    Py_XDECREF(type);
-    Py_XDECREF(tb);
-    return;
-}
-#else
-static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) {
-    PyObject* owned_instance = NULL;
-    if (tb == Py_None) {
-        tb = 0;
-    } else if (tb && !PyTraceBack_Check(tb)) {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: arg 3 must be a traceback or None");
-        goto bad;
-    }
-    if (value == Py_None)
-        value = 0;
-    if (PyExceptionInstance_Check(type)) {
-        if (value) {
-            PyErr_SetString(PyExc_TypeError,
-                "instance exception may not have a separate value");
-            goto bad;
-        }
-        value = type;
-        type = (PyObject*) Py_TYPE(value);
-    } else if (PyExceptionClass_Check(type)) {
-        PyObject *instance_class = NULL;
-        if (value && PyExceptionInstance_Check(value)) {
-            instance_class = (PyObject*) Py_TYPE(value);
-            if (instance_class != type) {
-                int is_subclass = PyObject_IsSubclass(instance_class, type);
-                if (!is_subclass) {
-                    instance_class = NULL;
-                } else if (unlikely(is_subclass == -1)) {
-                    goto bad;
-                } else {
-                    type = instance_class;
-                }
-            }
-        }
-        if (!instance_class) {
-            PyObject *args;
-            if (!value)
-                args = PyTuple_New(0);
-            else if (PyTuple_Check(value)) {
-                Py_INCREF(value);
-                args = value;
-            } else
-                args = PyTuple_Pack(1, value);
-            if (!args)
-                goto bad;
-            owned_instance = PyObject_Call(type, args, NULL);
-            Py_DECREF(args);
-            if (!owned_instance)
-                goto bad;
-            value = owned_instance;
-            if (!PyExceptionInstance_Check(value)) {
-                PyErr_Format(PyExc_TypeError,
-                             "calling %R should have returned an instance of "
-                             "BaseException, not %R",
-                             type, Py_TYPE(value));
-                goto bad;
-            }
-        }
-    } else {
-        PyErr_SetString(PyExc_TypeError,
-            "raise: exception class must be a subclass of BaseException");
-        goto bad;
-    }
-    if (cause) {
-        PyObject *fixed_cause;
-        if (cause == Py_None) {
-            fixed_cause = NULL;
-        } else if (PyExceptionClass_Check(cause)) {
-            fixed_cause = PyObject_CallObject(cause, NULL);
-            if (fixed_cause == NULL)
-                goto bad;
-        } else if (PyExceptionInstance_Check(cause)) {
-            fixed_cause = cause;
-            Py_INCREF(fixed_cause);
-        } else {
-            PyErr_SetString(PyExc_TypeError,
-                            "exception causes must derive from "
-                            "BaseException");
-            goto bad;
-        }
-        PyException_SetCause(value, fixed_cause);
-    }
-    PyErr_SetObject(type, value);
-    if (tb) {
-#if CYTHON_COMPILING_IN_PYPY
-        PyObject *tmp_type, *tmp_value, *tmp_tb;
-        PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb);
-        Py_INCREF(tb);
-        PyErr_Restore(tmp_type, tmp_value, tb);
-        Py_XDECREF(tmp_tb);
-#else
-        PyThreadState *tstate = __Pyx_PyThreadState_Current;
-        PyObject* tmp_tb = tstate->curexc_traceback;
-        if (tb != tmp_tb) {
-            Py_INCREF(tb);
-            tstate->curexc_traceback = tb;
-            Py_XDECREF(tmp_tb);
-        }
-#endif
-    }
-bad:
-    Py_XDECREF(owned_instance);
-    return;
-}
-#endif
-
-/* GetTopmostException */
-  #if CYTHON_USE_EXC_INFO_STACK
-static _PyErr_StackItem *
-__Pyx_PyErr_GetTopmostException(PyThreadState *tstate)
-{
-    _PyErr_StackItem *exc_info = tstate->exc_info;
-    while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) &&
-           exc_info->previous_item != NULL)
-    {
-        exc_info = exc_info->previous_item;
-    }
-    return exc_info;
-}
-#endif
-
-/* SaveResetException */
-  #if CYTHON_FAST_THREAD_STATE
-static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) {
-    #if CYTHON_USE_EXC_INFO_STACK
-    _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate);
-    *type = exc_info->exc_type;
-    *value = exc_info->exc_value;
-    *tb = exc_info->exc_traceback;
-    #else
-    *type = tstate->exc_type;
-    *value = tstate->exc_value;
-    *tb = tstate->exc_traceback;
-    #endif
-    Py_XINCREF(*type);
-    Py_XINCREF(*value);
-    Py_XINCREF(*tb);
-}
-static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    #if CYTHON_USE_EXC_INFO_STACK
-    _PyErr_StackItem *exc_info = tstate->exc_info;
-    tmp_type = exc_info->exc_type;
-    tmp_value = exc_info->exc_value;
-    tmp_tb = exc_info->exc_traceback;
-    exc_info->exc_type = type;
-    exc_info->exc_value = value;
-    exc_info->exc_traceback = tb;
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = type;
-    tstate->exc_value = value;
-    tstate->exc_traceback = tb;
-    #endif
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-}
-#endif
-
-/* PyErrExceptionMatches */
-  #if CYTHON_FAST_THREAD_STATE
-static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
-    Py_ssize_t i, n;
-    n = PyTuple_GET_SIZE(tuple);
-#if PY_MAJOR_VERSION >= 3
-    for (i=0; i<n; i++) {
-        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
-    }
-#endif
-    for (i=0; i<n; i++) {
-        if (__Pyx_PyErr_GivenExceptionMatches(exc_type, PyTuple_GET_ITEM(tuple, i))) return 1;
-    }
-    return 0;
-}
-static CYTHON_INLINE int __Pyx_PyErr_ExceptionMatchesInState(PyThreadState* tstate, PyObject* err) {
-    PyObject *exc_type = tstate->curexc_type;
-    if (exc_type == err) return 1;
-    if (unlikely(!exc_type)) return 0;
-    if (unlikely(PyTuple_Check(err)))
-        return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err);
-    return __Pyx_PyErr_GivenExceptionMatches(exc_type, err);
-}
-#endif
-
-/* GetException */
-  #if CYTHON_FAST_THREAD_STATE
-static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb)
-#else
-static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb)
-#endif
-{
-    PyObject *local_type, *local_value, *local_tb;
-#if CYTHON_FAST_THREAD_STATE
-    PyObject *tmp_type, *tmp_value, *tmp_tb;
-    local_type = tstate->curexc_type;
-    local_value = tstate->curexc_value;
-    local_tb = tstate->curexc_traceback;
-    tstate->curexc_type = 0;
-    tstate->curexc_value = 0;
-    tstate->curexc_traceback = 0;
-#else
-    PyErr_Fetch(&local_type, &local_value, &local_tb);
-#endif
-    PyErr_NormalizeException(&local_type, &local_value, &local_tb);
-#if CYTHON_FAST_THREAD_STATE
-    if (unlikely(tstate->curexc_type))
-#else
-    if (unlikely(PyErr_Occurred()))
-#endif
-        goto bad;
-    #if PY_MAJOR_VERSION >= 3
-    if (local_tb) {
-        if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0))
-            goto bad;
-    }
-    #endif
-    Py_XINCREF(local_tb);
-    Py_XINCREF(local_type);
-    Py_XINCREF(local_value);
-    *type = local_type;
-    *value = local_value;
-    *tb = local_tb;
-#if CYTHON_FAST_THREAD_STATE
-    #if CYTHON_USE_EXC_INFO_STACK
-    {
-        _PyErr_StackItem *exc_info = tstate->exc_info;
-        tmp_type = exc_info->exc_type;
-        tmp_value = exc_info->exc_value;
-        tmp_tb = exc_info->exc_traceback;
-        exc_info->exc_type = local_type;
-        exc_info->exc_value = local_value;
-        exc_info->exc_traceback = local_tb;
-    }
-    #else
-    tmp_type = tstate->exc_type;
-    tmp_value = tstate->exc_value;
-    tmp_tb = tstate->exc_traceback;
-    tstate->exc_type = local_type;
-    tstate->exc_value = local_value;
-    tstate->exc_traceback = local_tb;
-    #endif
-    Py_XDECREF(tmp_type);
-    Py_XDECREF(tmp_value);
-    Py_XDECREF(tmp_tb);
-#else
-    PyErr_SetExcInfo(local_type, local_value, local_tb);
-#endif
-    return 0;
-bad:
-    *type = 0;
-    *value = 0;
-    *tb = 0;
-    Py_XDECREF(local_type);
-    Py_XDECREF(local_value);
-    Py_XDECREF(local_tb);
-    return -1;
-}
-
-/* PyObject_GenericGetAttrNoDict */
-  #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) {
-    PyErr_Format(PyExc_AttributeError,
-#if PY_MAJOR_VERSION >= 3
-                 "'%.50s' object has no attribute '%U'",
-                 tp->tp_name, attr_name);
-#else
-                 "'%.50s' object has no attribute '%.400s'",
-                 tp->tp_name, PyString_AS_STRING(attr_name));
-#endif
-    return NULL;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) {
-    PyObject *descr;
-    PyTypeObject *tp = Py_TYPE(obj);
-    if (unlikely(!PyString_Check(attr_name))) {
-        return PyObject_GenericGetAttr(obj, attr_name);
-    }
-    assert(!tp->tp_dictoffset);
-    descr = _PyType_Lookup(tp, attr_name);
-    if (unlikely(!descr)) {
-        return __Pyx_RaiseGenericGetAttributeError(tp, attr_name);
-    }
-    Py_INCREF(descr);
-    #if PY_MAJOR_VERSION < 3
-    if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS)))
-    #endif
-    {
-        descrgetfunc f = Py_TYPE(descr)->tp_descr_get;
-        if (unlikely(f)) {
-            PyObject *res = f(descr, obj, (PyObject *)tp);
-            Py_DECREF(descr);
-            return res;
-        }
-    }
-    return descr;
-}
-#endif
-
-/* PyObject_GenericGetAttr */
-  #if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000
-static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) {
-    if (unlikely(Py_TYPE(obj)->tp_dictoffset)) {
-        return PyObject_GenericGetAttr(obj, attr_name);
-    }
-    return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name);
-}
-#endif
-
-/* PyObjectGetAttrStrNoError */
-  static void __Pyx_PyObject_GetAttrStr_ClearAttributeError(void) {
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    if (likely(__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError)))
-        __Pyx_PyErr_Clear();
-}
-static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, PyObject* attr_name) {
-    PyObject *result;
-#if CYTHON_COMPILING_IN_CPYTHON && CYTHON_USE_TYPE_SLOTS && PY_VERSION_HEX >= 0x030700B1
-    PyTypeObject* tp = Py_TYPE(obj);
-    if (likely(tp->tp_getattro == PyObject_GenericGetAttr)) {
-        return _PyObject_GenericGetAttrWithDict(obj, attr_name, NULL, 1);
-    }
-#endif
-    result = __Pyx_PyObject_GetAttrStr(obj, attr_name);
-    if (unlikely(!result)) {
-        __Pyx_PyObject_GetAttrStr_ClearAttributeError();
-    }
-    return result;
-}
-
-/* SetupReduce */
-  static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
-  int ret;
-  PyObject *name_attr;
-  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name);
-  if (likely(name_attr)) {
-      ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
-  } else {
-      ret = -1;
-  }
-  if (unlikely(ret < 0)) {
-      PyErr_Clear();
-      ret = 0;
-  }
-  Py_XDECREF(name_attr);
-  return ret;
-}
-static int __Pyx_setup_reduce(PyObject* type_obj) {
-    int ret = 0;
-    PyObject *object_reduce = NULL;
-    PyObject *object_reduce_ex = NULL;
-    PyObject *reduce = NULL;
-    PyObject *reduce_ex = NULL;
-    PyObject *reduce_cython = NULL;
-    PyObject *setstate = NULL;
-    PyObject *setstate_cython = NULL;
-#if CYTHON_USE_PYTYPE_LOOKUP
-    if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
-#else
-    if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto __PYX_GOOD;
-#endif
-#if CYTHON_USE_PYTYPE_LOOKUP
-    object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
-#else
-    object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto __PYX_BAD;
-#endif
-    reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto __PYX_BAD;
-    if (reduce_ex == object_reduce_ex) {
-#if CYTHON_USE_PYTYPE_LOOKUP
-        object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
-#else
-        object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto __PYX_BAD;
-#endif
-        reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto __PYX_BAD;
-        if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) {
-            reduce_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_reduce_cython);
-            if (likely(reduce_cython)) {
-                ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-            } else if (reduce == object_reduce || PyErr_Occurred()) {
-                goto __PYX_BAD;
-            }
-            setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate);
-            if (!setstate) PyErr_Clear();
-            if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) {
-                setstate_cython = __Pyx_PyObject_GetAttrStrNoError(type_obj, __pyx_n_s_setstate_cython);
-                if (likely(setstate_cython)) {
-                    ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                    ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto __PYX_BAD;
-                } else if (!setstate || PyErr_Occurred()) {
-                    goto __PYX_BAD;
-                }
-            }
-            PyType_Modified((PyTypeObject*)type_obj);
-        }
-    }
-    goto __PYX_GOOD;
-__PYX_BAD:
-    if (!PyErr_Occurred())
-        PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name);
-    ret = -1;
-__PYX_GOOD:
-#if !CYTHON_USE_PYTYPE_LOOKUP
-    Py_XDECREF(object_reduce);
-    Py_XDECREF(object_reduce_ex);
-#endif
-    Py_XDECREF(reduce);
-    Py_XDECREF(reduce_ex);
-    Py_XDECREF(reduce_cython);
-    Py_XDECREF(setstate);
-    Py_XDECREF(setstate_cython);
-    return ret;
-}
-
-/* TypeImport */
-  #ifndef __PYX_HAVE_RT_ImportType
-#define __PYX_HAVE_RT_ImportType
-static PyTypeObject *__Pyx_ImportType(PyObject *module, const char *module_name, const char *class_name,
-    size_t size, enum __Pyx_ImportType_CheckSize check_size)
-{
-    PyObject *result = 0;
-    char warning[200];
-    Py_ssize_t basicsize;
-#ifdef Py_LIMITED_API
-    PyObject *py_basicsize;
-#endif
-    result = PyObject_GetAttrString(module, class_name);
-    if (!result)
-        goto bad;
-    if (!PyType_Check(result)) {
-        PyErr_Format(PyExc_TypeError,
-            "%.200s.%.200s is not a type object",
-            module_name, class_name);
-        goto bad;
-    }
-#ifndef Py_LIMITED_API
-    basicsize = ((PyTypeObject *)result)->tp_basicsize;
-#else
-    py_basicsize = PyObject_GetAttrString(result, "__basicsize__");
-    if (!py_basicsize)
-        goto bad;
-    basicsize = PyLong_AsSsize_t(py_basicsize);
-    Py_DECREF(py_basicsize);
-    py_basicsize = 0;
-    if (basicsize == (Py_ssize_t)-1 && PyErr_Occurred())
-        goto bad;
-#endif
-    if ((size_t)basicsize < size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s size changed, may indicate binary incompatibility. "
-            "Expected %zd from C header, got %zd from PyObject",
-            module_name, class_name, size, basicsize);
-        goto bad;
-    }
-    if (check_size == __Pyx_ImportType_CheckSize_Error && (size_t)basicsize != size) {
-        PyErr_Format(PyExc_ValueError,
-            "%.200s.%.200s size changed, may indicate binary incompatibility. "
-            "Expected %zd from C header, got %zd from PyObject",
-            module_name, class_name, size, basicsize);
-        goto bad;
-    }
-    else if (check_size == __Pyx_ImportType_CheckSize_Warn && (size_t)basicsize > size) {
-        PyOS_snprintf(warning, sizeof(warning),
-            "%s.%s size changed, may indicate binary incompatibility. "
-            "Expected %zd from C header, got %zd from PyObject",
-            module_name, class_name, size, basicsize);
-        if (PyErr_WarnEx(NULL, warning, 0) < 0) goto bad;
-    }
-    return (PyTypeObject *)result;
-bad:
-    Py_XDECREF(result);
-    return NULL;
-}
-#endif
-
-/* Import */
-  static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) {
-    PyObject *empty_list = 0;
-    PyObject *module = 0;
-    PyObject *global_dict = 0;
-    PyObject *empty_dict = 0;
-    PyObject *list;
-    #if PY_MAJOR_VERSION < 3
-    PyObject *py_import;
-    py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import);
-    if (!py_import)
-        goto bad;
-    #endif
-    if (from_list)
-        list = from_list;
-    else {
-        empty_list = PyList_New(0);
-        if (!empty_list)
-            goto bad;
-        list = empty_list;
-    }
-    global_dict = PyModule_GetDict(__pyx_m);
-    if (!global_dict)
-        goto bad;
-    empty_dict = PyDict_New();
-    if (!empty_dict)
-        goto bad;
-    {
-        #if PY_MAJOR_VERSION >= 3
-        if (level == -1) {
-            if ((1) && (strchr(__Pyx_MODULE_NAME, '.'))) {
-                module = PyImport_ImportModuleLevelObject(
-                    name, global_dict, empty_dict, list, 1);
-                if (!module) {
-                    if (!PyErr_ExceptionMatches(PyExc_ImportError))
-                        goto bad;
-                    PyErr_Clear();
-                }
-            }
-            level = 0;
-        }
-        #endif
-        if (!module) {
-            #if PY_MAJOR_VERSION < 3
-            PyObject *py_level = PyInt_FromLong(level);
-            if (!py_level)
-                goto bad;
-            module = PyObject_CallFunctionObjArgs(py_import,
-                name, global_dict, empty_dict, list, py_level, (PyObject *)NULL);
-            Py_DECREF(py_level);
-            #else
-            module = PyImport_ImportModuleLevelObject(
-                name, global_dict, empty_dict, list, level);
-            #endif
-        }
-    }
-bad:
-    #if PY_MAJOR_VERSION < 3
-    Py_XDECREF(py_import);
-    #endif
-    Py_XDECREF(empty_list);
-    Py_XDECREF(empty_dict);
-    return module;
-}
-
-/* ImportFrom */
-  static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) {
-    PyObject* value = __Pyx_PyObject_GetAttrStr(module, name);
-    if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) {
-        PyErr_Format(PyExc_ImportError,
-        #if PY_MAJOR_VERSION < 3
-            "cannot import name %.230s", PyString_AS_STRING(name));
-        #else
-            "cannot import name %S", name);
-        #endif
-    }
-    return value;
-}
-
-/* CLineInTraceback */
-  #ifndef CYTHON_CLINE_IN_TRACEBACK
-static int __Pyx_CLineForTraceback(CYTHON_NCP_UNUSED PyThreadState *tstate, int c_line) {
-    PyObject *use_cline;
-    PyObject *ptype, *pvalue, *ptraceback;
-#if CYTHON_COMPILING_IN_CPYTHON
-    PyObject **cython_runtime_dict;
-#endif
-    if (unlikely(!__pyx_cython_runtime)) {
-        return c_line;
-    }
-    __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback);
-#if CYTHON_COMPILING_IN_CPYTHON
-    cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime);
-    if (likely(cython_runtime_dict)) {
-        __PYX_PY_DICT_LOOKUP_IF_MODIFIED(
-            use_cline, *cython_runtime_dict,
-            __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback))
-    } else
-#endif
-    {
-      PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback);
-      if (use_cline_obj) {
-        use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True;
-        Py_DECREF(use_cline_obj);
-      } else {
-        PyErr_Clear();
-        use_cline = NULL;
-      }
-    }
-    if (!use_cline) {
-        c_line = 0;
-        PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False);
-    }
-    else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) {
-        c_line = 0;
-    }
-    __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback);
-    return c_line;
-}
-#endif
-
-/* CodeObjectCache */
-  static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) {
-    int start = 0, mid = 0, end = count - 1;
-    if (end >= 0 && code_line > entries[end].code_line) {
-        return count;
-    }
-    while (start < end) {
-        mid = start + (end - start) / 2;
-        if (code_line < entries[mid].code_line) {
-            end = mid;
-        } else if (code_line > entries[mid].code_line) {
-             start = mid + 1;
-        } else {
-            return mid;
-        }
-    }
-    if (code_line <= entries[mid].code_line) {
-        return mid;
-    } else {
-        return mid + 1;
-    }
-}
-static PyCodeObject *__pyx_find_code_object(int code_line) {
-    PyCodeObject* code_object;
-    int pos;
-    if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) {
-        return NULL;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) {
-        return NULL;
-    }
-    code_object = __pyx_code_cache.entries[pos].code_object;
-    Py_INCREF(code_object);
-    return code_object;
-}
-static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) {
-    int pos, i;
-    __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries;
-    if (unlikely(!code_line)) {
-        return;
-    }
-    if (unlikely(!entries)) {
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry));
-        if (likely(entries)) {
-            __pyx_code_cache.entries = entries;
-            __pyx_code_cache.max_count = 64;
-            __pyx_code_cache.count = 1;
-            entries[0].code_line = code_line;
-            entries[0].code_object = code_object;
-            Py_INCREF(code_object);
-        }
-        return;
-    }
-    pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line);
-    if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) {
-        PyCodeObject* tmp = entries[pos].code_object;
-        entries[pos].code_object = code_object;
-        Py_DECREF(tmp);
-        return;
-    }
-    if (__pyx_code_cache.count == __pyx_code_cache.max_count) {
-        int new_max = __pyx_code_cache.max_count + 64;
-        entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc(
-            __pyx_code_cache.entries, ((size_t)new_max) * sizeof(__Pyx_CodeObjectCacheEntry));
-        if (unlikely(!entries)) {
-            return;
-        }
-        __pyx_code_cache.entries = entries;
-        __pyx_code_cache.max_count = new_max;
-    }
-    for (i=__pyx_code_cache.count; i>pos; i--) {
-        entries[i] = entries[i-1];
-    }
-    entries[pos].code_line = code_line;
-    entries[pos].code_object = code_object;
-    __pyx_code_cache.count++;
-    Py_INCREF(code_object);
-}
-
-/* AddTraceback */
-  #include "compile.h"
-#include "frameobject.h"
-#include "traceback.h"
-static PyCodeObject* __Pyx_CreateCodeObjectForTraceback(
-            const char *funcname, int c_line,
-            int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyObject *py_srcfile = 0;
-    PyObject *py_funcname = 0;
-    #if PY_MAJOR_VERSION < 3
-    py_srcfile = PyString_FromString(filename);
-    #else
-    py_srcfile = PyUnicode_FromString(filename);
-    #endif
-    if (!py_srcfile) goto bad;
-    if (c_line) {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #else
-        py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line);
-        #endif
-    }
-    else {
-        #if PY_MAJOR_VERSION < 3
-        py_funcname = PyString_FromString(funcname);
-        #else
-        py_funcname = PyUnicode_FromString(funcname);
-        #endif
-    }
-    if (!py_funcname) goto bad;
-    py_code = __Pyx_PyCode_New(
-        0,
-        0,
-        0,
-        0,
-        0,
-        __pyx_empty_bytes, /*PyObject *code,*/
-        __pyx_empty_tuple, /*PyObject *consts,*/
-        __pyx_empty_tuple, /*PyObject *names,*/
-        __pyx_empty_tuple, /*PyObject *varnames,*/
-        __pyx_empty_tuple, /*PyObject *freevars,*/
-        __pyx_empty_tuple, /*PyObject *cellvars,*/
-        py_srcfile,   /*PyObject *filename,*/
-        py_funcname,  /*PyObject *name,*/
-        py_line,
-        __pyx_empty_bytes  /*PyObject *lnotab*/
-    );
-    Py_DECREF(py_srcfile);
-    Py_DECREF(py_funcname);
-    return py_code;
-bad:
-    Py_XDECREF(py_srcfile);
-    Py_XDECREF(py_funcname);
-    return NULL;
-}
-static void __Pyx_AddTraceback(const char *funcname, int c_line,
-                               int py_line, const char *filename) {
-    PyCodeObject *py_code = 0;
-    PyFrameObject *py_frame = 0;
-    PyThreadState *tstate = __Pyx_PyThreadState_Current;
-    if (c_line) {
-        c_line = __Pyx_CLineForTraceback(tstate, c_line);
-    }
-    py_code = __pyx_find_code_object(c_line ? -c_line : py_line);
-    if (!py_code) {
-        py_code = __Pyx_CreateCodeObjectForTraceback(
-            funcname, c_line, py_line, filename);
-        if (!py_code) goto bad;
-        __pyx_insert_code_object(c_line ? -c_line : py_line, py_code);
-    }
-    py_frame = PyFrame_New(
-        tstate,            /*PyThreadState *tstate,*/
-        py_code,           /*PyCodeObject *code,*/
-        __pyx_d,    /*PyObject *globals,*/
-        0                  /*PyObject *locals*/
-    );
-    if (!py_frame) goto bad;
-    __Pyx_PyFrame_SetLineNumber(py_frame, py_line);
-    PyTraceBack_Here(py_frame);
-bad:
-    Py_XDECREF(py_code);
-    Py_XDECREF(py_frame);
-}
-
-#if PY_MAJOR_VERSION < 3
-static int __Pyx_GetBuffer(PyObject *obj, Py_buffer *view, int flags) {
-    if (PyObject_CheckBuffer(obj)) return PyObject_GetBuffer(obj, view, flags);
-    PyErr_Format(PyExc_TypeError, "'%.200s' does not have the buffer interface", Py_TYPE(obj)->tp_name);
-    return -1;
-}
-static void __Pyx_ReleaseBuffer(Py_buffer *view) {
-    PyObject *obj = view->obj;
-    if (!obj) return;
-    if (PyObject_CheckBuffer(obj)) {
-        PyBuffer_Release(view);
-        return;
-    }
-    if ((0)) {}
-    view->obj = NULL;
-    Py_DECREF(obj);
-}
-#endif
-
-
-  /* CIntFromPyVerify */
-  #define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\
-    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0)
-#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\
-    __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1)
-#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\
-    {\
-        func_type value = func_value;\
-        if (sizeof(target_type) < sizeof(func_type)) {\
-            if (unlikely(value != (func_type) (target_type) value)) {\
-                func_type zero = 0;\
-                if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\
-                    return (target_type) -1;\
-                if (is_unsigned && unlikely(value < zero))\
-                    goto raise_neg_overflow;\
-                else\
-                    goto raise_overflow;\
-            }\
-        }\
-        return (target_type) value;\
-    }
-
-/* Declarations */
-  #if CYTHON_CCOMPLEX
-  #ifdef __cplusplus
-    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
-      return ::std::complex< float >(x, y);
-    }
-  #else
-    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
-      return x + y*(__pyx_t_float_complex)_Complex_I;
-    }
-  #endif
-#else
-    static CYTHON_INLINE __pyx_t_float_complex __pyx_t_float_complex_from_parts(float x, float y) {
-      __pyx_t_float_complex z;
-      z.real = x;
-      z.imag = y;
-      return z;
-    }
-#endif
-
-/* Arithmetic */
-  #if CYTHON_CCOMPLEX
-#else
-    static CYTHON_INLINE int __Pyx_c_eq_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
-       return (a.real == b.real) && (a.imag == b.imag);
-    }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_sum_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
-        __pyx_t_float_complex z;
-        z.real = a.real + b.real;
-        z.imag = a.imag + b.imag;
-        return z;
-    }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_diff_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
-        __pyx_t_float_complex z;
-        z.real = a.real - b.real;
-        z.imag = a.imag - b.imag;
-        return z;
-    }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_prod_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
-        __pyx_t_float_complex z;
-        z.real = a.real * b.real - a.imag * b.imag;
-        z.imag = a.real * b.imag + a.imag * b.real;
-        return z;
-    }
-    #if 1
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
-        if (b.imag == 0) {
-            return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
-        } else if (fabsf(b.real) >= fabsf(b.imag)) {
-            if (b.real == 0 && b.imag == 0) {
-                return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.imag);
-            } else {
-                float r = b.imag / b.real;
-                float s = (float)(1.0) / (b.real + b.imag * r);
-                return __pyx_t_float_complex_from_parts(
-                    (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
-            }
-        } else {
-            float r = b.real / b.imag;
-            float s = (float)(1.0) / (b.imag + b.real * r);
-            return __pyx_t_float_complex_from_parts(
-                (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
-        }
-    }
-    #else
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_quot_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
-        if (b.imag == 0) {
-            return __pyx_t_float_complex_from_parts(a.real / b.real, a.imag / b.real);
-        } else {
-            float denom = b.real * b.real + b.imag * b.imag;
-            return __pyx_t_float_complex_from_parts(
-                (a.real * b.real + a.imag * b.imag) / denom,
-                (a.imag * b.real - a.real * b.imag) / denom);
-        }
-    }
-    #endif
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_neg_float(__pyx_t_float_complex a) {
-        __pyx_t_float_complex z;
-        z.real = -a.real;
-        z.imag = -a.imag;
-        return z;
-    }
-    static CYTHON_INLINE int __Pyx_c_is_zero_float(__pyx_t_float_complex a) {
-       return (a.real == 0) && (a.imag == 0);
-    }
-    static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_conj_float(__pyx_t_float_complex a) {
-        __pyx_t_float_complex z;
-        z.real =  a.real;
-        z.imag = -a.imag;
-        return z;
-    }
-    #if 1
-        static CYTHON_INLINE float __Pyx_c_abs_float(__pyx_t_float_complex z) {
-          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
-            return sqrtf(z.real*z.real + z.imag*z.imag);
-          #else
-            return hypotf(z.real, z.imag);
-          #endif
-        }
-        static CYTHON_INLINE __pyx_t_float_complex __Pyx_c_pow_float(__pyx_t_float_complex a, __pyx_t_float_complex b) {
-            __pyx_t_float_complex z;
-            float r, lnr, theta, z_r, z_theta;
-            if (b.imag == 0 && b.real == (int)b.real) {
-                if (b.real < 0) {
-                    float denom = a.real * a.real + a.imag * a.imag;
-                    a.real = a.real / denom;
-                    a.imag = -a.imag / denom;
-                    b.real = -b.real;
-                }
-                switch ((int)b.real) {
-                    case 0:
-                        z.real = 1;
-                        z.imag = 0;
-                        return z;
-                    case 1:
-                        return a;
-                    case 2:
-                        return __Pyx_c_prod_float(a, a);
-                    case 3:
-                        z = __Pyx_c_prod_float(a, a);
-                        return __Pyx_c_prod_float(z, a);
-                    case 4:
-                        z = __Pyx_c_prod_float(a, a);
-                        return __Pyx_c_prod_float(z, z);
-                }
-            }
-            if (a.imag == 0) {
-                if (a.real == 0) {
-                    return a;
-                } else if (b.imag == 0) {
-                    z.real = powf(a.real, b.real);
-                    z.imag = 0;
-                    return z;
-                } else if (a.real > 0) {
-                    r = a.real;
-                    theta = 0;
-                } else {
-                    r = -a.real;
-                    theta = atan2f(0.0, -1.0);
-                }
-            } else {
-                r = __Pyx_c_abs_float(a);
-                theta = atan2f(a.imag, a.real);
-            }
-            lnr = logf(r);
-            z_r = expf(lnr * b.real - theta * b.imag);
-            z_theta = theta * b.real + lnr * b.imag;
-            z.real = z_r * cosf(z_theta);
-            z.imag = z_r * sinf(z_theta);
-            return z;
-        }
-    #endif
-#endif
-
-/* Declarations */
-  #if CYTHON_CCOMPLEX
-  #ifdef __cplusplus
-    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
-      return ::std::complex< double >(x, y);
-    }
-  #else
-    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
-      return x + y*(__pyx_t_double_complex)_Complex_I;
-    }
-  #endif
-#else
-    static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(double x, double y) {
-      __pyx_t_double_complex z;
-      z.real = x;
-      z.imag = y;
-      return z;
-    }
-#endif
-
-/* Arithmetic */
-  #if CYTHON_CCOMPLEX
-#else
-    static CYTHON_INLINE int __Pyx_c_eq_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
-       return (a.real == b.real) && (a.imag == b.imag);
-    }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_sum_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
-        __pyx_t_double_complex z;
-        z.real = a.real + b.real;
-        z.imag = a.imag + b.imag;
-        return z;
-    }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_diff_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
-        __pyx_t_double_complex z;
-        z.real = a.real - b.real;
-        z.imag = a.imag - b.imag;
-        return z;
-    }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_prod_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
-        __pyx_t_double_complex z;
-        z.real = a.real * b.real - a.imag * b.imag;
-        z.imag = a.real * b.imag + a.imag * b.real;
-        return z;
-    }
-    #if 1
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
-        if (b.imag == 0) {
-            return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
-        } else if (fabs(b.real) >= fabs(b.imag)) {
-            if (b.real == 0 && b.imag == 0) {
-                return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.imag);
-            } else {
-                double r = b.imag / b.real;
-                double s = (double)(1.0) / (b.real + b.imag * r);
-                return __pyx_t_double_complex_from_parts(
-                    (a.real + a.imag * r) * s, (a.imag - a.real * r) * s);
-            }
-        } else {
-            double r = b.real / b.imag;
-            double s = (double)(1.0) / (b.imag + b.real * r);
-            return __pyx_t_double_complex_from_parts(
-                (a.real * r + a.imag) * s, (a.imag * r - a.real) * s);
-        }
-    }
-    #else
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_quot_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
-        if (b.imag == 0) {
-            return __pyx_t_double_complex_from_parts(a.real / b.real, a.imag / b.real);
-        } else {
-            double denom = b.real * b.real + b.imag * b.imag;
-            return __pyx_t_double_complex_from_parts(
-                (a.real * b.real + a.imag * b.imag) / denom,
-                (a.imag * b.real - a.real * b.imag) / denom);
-        }
-    }
-    #endif
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_neg_double(__pyx_t_double_complex a) {
-        __pyx_t_double_complex z;
-        z.real = -a.real;
-        z.imag = -a.imag;
-        return z;
-    }
-    static CYTHON_INLINE int __Pyx_c_is_zero_double(__pyx_t_double_complex a) {
-       return (a.real == 0) && (a.imag == 0);
-    }
-    static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_conj_double(__pyx_t_double_complex a) {
-        __pyx_t_double_complex z;
-        z.real =  a.real;
-        z.imag = -a.imag;
-        return z;
-    }
-    #if 1
-        static CYTHON_INLINE double __Pyx_c_abs_double(__pyx_t_double_complex z) {
-          #if !defined(HAVE_HYPOT) || defined(_MSC_VER)
-            return sqrt(z.real*z.real + z.imag*z.imag);
-          #else
-            return hypot(z.real, z.imag);
-          #endif
-        }
-        static CYTHON_INLINE __pyx_t_double_complex __Pyx_c_pow_double(__pyx_t_double_complex a, __pyx_t_double_complex b) {
-            __pyx_t_double_complex z;
-            double r, lnr, theta, z_r, z_theta;
-            if (b.imag == 0 && b.real == (int)b.real) {
-                if (b.real < 0) {
-                    double denom = a.real * a.real + a.imag * a.imag;
-                    a.real = a.real / denom;
-                    a.imag = -a.imag / denom;
-                    b.real = -b.real;
-                }
-                switch ((int)b.real) {
-                    case 0:
-                        z.real = 1;
-                        z.imag = 0;
-                        return z;
-                    case 1:
-                        return a;
-                    case 2:
-                        return __Pyx_c_prod_double(a, a);
-                    case 3:
-                        z = __Pyx_c_prod_double(a, a);
-                        return __Pyx_c_prod_double(z, a);
-                    case 4:
-                        z = __Pyx_c_prod_double(a, a);
-                        return __Pyx_c_prod_double(z, z);
-                }
-            }
-            if (a.imag == 0) {
-                if (a.real == 0) {
-                    return a;
-                } else if (b.imag == 0) {
-                    z.real = pow(a.real, b.real);
-                    z.imag = 0;
-                    return z;
-                } else if (a.real > 0) {
-                    r = a.real;
-                    theta = 0;
-                } else {
-                    r = -a.real;
-                    theta = atan2(0.0, -1.0);
-                }
-            } else {
-                r = __Pyx_c_abs_double(a);
-                theta = atan2(a.imag, a.real);
-            }
-            lnr = log(r);
-            z_r = exp(lnr * b.real - theta * b.imag);
-            z_theta = theta * b.real + lnr * b.imag;
-            z.real = z_r * cos(z_theta);
-            z.imag = z_r * sin(z_theta);
-            return z;
-        }
-    #endif
-#endif
-
-/* CIntToPy */
-  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) {
-#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wconversion"
-#endif
-    const int neg_one = (int) -1, const_zero = (int) 0;
-#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
-#pragma GCC diagnostic pop
-#endif
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(int) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(int) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-#ifdef HAVE_LONG_LONG
-        } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
-            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
-#endif
-        }
-    } else {
-        if (sizeof(int) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-#ifdef HAVE_LONG_LONG
-        } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
-            return PyLong_FromLongLong((PY_LONG_LONG) value);
-#endif
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(int),
-                                     little, !is_unsigned);
-    }
-}
-
-/* CIntFromPy */
-  static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) {
-#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wconversion"
-#endif
-    const int neg_one = (int) -1, const_zero = (int) 0;
-#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
-#pragma GCC diagnostic pop
-#endif
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(int) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (int) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) {
-                            return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) {
-                            return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) {
-                            return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]));
-                        }
-                    }
-                    break;
-            }
-#endif
-#if CYTHON_COMPILING_IN_CPYTHON
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-#else
-            {
-                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
-                if (unlikely(result < 0))
-                    return (int) -1;
-                if (unlikely(result == 1))
-                    goto raise_neg_overflow;
-            }
-#endif
-            if (sizeof(int) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
-#endif
-            }
-        } else {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (int) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(int,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(int) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                            return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(int) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                            return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(int) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) {
-                            return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])));
-                        }
-                    }
-                    break;
-            }
-#endif
-            if (sizeof(int) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x))
-#endif
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            int val;
-            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (int) -1;
-        }
-    } else {
-        int val;
-        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
-        if (!tmp) return (int) -1;
-        val = __Pyx_PyInt_As_int(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to int");
-    return (int) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to int");
-    return (int) -1;
-}
-
-/* CIntToPy */
-  static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) {
-#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wconversion"
-#endif
-    const long neg_one = (long) -1, const_zero = (long) 0;
-#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
-#pragma GCC diagnostic pop
-#endif
-    const int is_unsigned = neg_one > const_zero;
-    if (is_unsigned) {
-        if (sizeof(long) < sizeof(long)) {
-            return PyInt_FromLong((long) value);
-        } else if (sizeof(long) <= sizeof(unsigned long)) {
-            return PyLong_FromUnsignedLong((unsigned long) value);
-#ifdef HAVE_LONG_LONG
-        } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
-            return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value);
-#endif
-        }
-    } else {
-        if (sizeof(long) <= sizeof(long)) {
-            return PyInt_FromLong((long) value);
-#ifdef HAVE_LONG_LONG
-        } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
-            return PyLong_FromLongLong((PY_LONG_LONG) value);
-#endif
-        }
-    }
-    {
-        int one = 1; int little = (int)*(unsigned char *)&one;
-        unsigned char *bytes = (unsigned char *)&value;
-        return _PyLong_FromByteArray(bytes, sizeof(long),
-                                     little, !is_unsigned);
-    }
-}
-
-/* CIntFromPy */
-  static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) {
-#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
-#pragma GCC diagnostic push
-#pragma GCC diagnostic ignored "-Wconversion"
-#endif
-    const long neg_one = (long) -1, const_zero = (long) 0;
-#ifdef __Pyx_HAS_GCC_DIAGNOSTIC
-#pragma GCC diagnostic pop
-#endif
-    const int is_unsigned = neg_one > const_zero;
-#if PY_MAJOR_VERSION < 3
-    if (likely(PyInt_Check(x))) {
-        if (sizeof(long) < sizeof(long)) {
-            __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x))
-        } else {
-            long val = PyInt_AS_LONG(x);
-            if (is_unsigned && unlikely(val < 0)) {
-                goto raise_neg_overflow;
-            }
-            return (long) val;
-        }
-    } else
-#endif
-    if (likely(PyLong_Check(x))) {
-        if (is_unsigned) {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case  1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0])
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) {
-                            return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) {
-                            return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) {
-                            return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]));
-                        }
-                    }
-                    break;
-            }
-#endif
-#if CYTHON_COMPILING_IN_CPYTHON
-            if (unlikely(Py_SIZE(x) < 0)) {
-                goto raise_neg_overflow;
-            }
-#else
-            {
-                int result = PyObject_RichCompareBool(x, Py_False, Py_LT);
-                if (unlikely(result < 0))
-                    return (long) -1;
-                if (unlikely(result == 1))
-                    goto raise_neg_overflow;
-            }
-#endif
-            if (sizeof(long) <= sizeof(unsigned long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x))
-#endif
-            }
-        } else {
-#if CYTHON_USE_PYLONG_INTERNALS
-            const digit* digits = ((PyLongObject*)x)->ob_digit;
-            switch (Py_SIZE(x)) {
-                case  0: return (long) 0;
-                case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0]))
-                case  1: __PYX_VERIFY_RETURN_INT(long,  digit, +digits[0])
-                case -2:
-                    if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case 2:
-                    if (8 * sizeof(long) > 1 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                            return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case -3:
-                    if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case 3:
-                    if (8 * sizeof(long) > 2 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                            return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case -4:
-                    if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-                case 4:
-                    if (8 * sizeof(long) > 3 * PyLong_SHIFT) {
-                        if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) {
-                            __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0])))
-                        } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) {
-                            return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])));
-                        }
-                    }
-                    break;
-            }
-#endif
-            if (sizeof(long) <= sizeof(long)) {
-                __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x))
-#ifdef HAVE_LONG_LONG
-            } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) {
-                __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x))
-#endif
-            }
-        }
-        {
-#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray)
-            PyErr_SetString(PyExc_RuntimeError,
-                            "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers");
-#else
-            long val;
-            PyObject *v = __Pyx_PyNumber_IntOrLong(x);
- #if PY_MAJOR_VERSION < 3
-            if (likely(v) && !PyLong_Check(v)) {
-                PyObject *tmp = v;
-                v = PyNumber_Long(tmp);
-                Py_DECREF(tmp);
-            }
- #endif
-            if (likely(v)) {
-                int one = 1; int is_little = (int)*(unsigned char *)&one;
-                unsigned char *bytes = (unsigned char *)&val;
-                int ret = _PyLong_AsByteArray((PyLongObject *)v,
-                                              bytes, sizeof(val),
-                                              is_little, !is_unsigned);
-                Py_DECREF(v);
-                if (likely(!ret))
-                    return val;
-            }
-#endif
-            return (long) -1;
-        }
-    } else {
-        long val;
-        PyObject *tmp = __Pyx_PyNumber_IntOrLong(x);
-        if (!tmp) return (long) -1;
-        val = __Pyx_PyInt_As_long(tmp);
-        Py_DECREF(tmp);
-        return val;
-    }
-raise_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "value too large to convert to long");
-    return (long) -1;
-raise_neg_overflow:
-    PyErr_SetString(PyExc_OverflowError,
-        "can't convert negative value to long");
-    return (long) -1;
-}
-
-/* FastTypeChecks */
-  #if CYTHON_COMPILING_IN_CPYTHON
-static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) {
-    while (a) {
-        a = a->tp_base;
-        if (a == b)
-            return 1;
-    }
-    return b == &PyBaseObject_Type;
-}
-static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) {
-    PyObject *mro;
-    if (a == b) return 1;
-    mro = a->tp_mro;
-    if (likely(mro)) {
-        Py_ssize_t i, n;
-        n = PyTuple_GET_SIZE(mro);
-        for (i = 0; i < n; i++) {
-            if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b)
-                return 1;
-        }
-        return 0;
-    }
-    return __Pyx_InBases(a, b);
-}
-#if PY_MAJOR_VERSION == 2
-static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) {
-    PyObject *exception, *value, *tb;
-    int res;
-    __Pyx_PyThreadState_declare
-    __Pyx_PyThreadState_assign
-    __Pyx_ErrFetch(&exception, &value, &tb);
-    res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0;
-    if (unlikely(res == -1)) {
-        PyErr_WriteUnraisable(err);
-        res = 0;
-    }
-    if (!res) {
-        res = PyObject_IsSubclass(err, exc_type2);
-        if (unlikely(res == -1)) {
-            PyErr_WriteUnraisable(err);
-            res = 0;
-        }
-    }
-    __Pyx_ErrRestore(exception, value, tb);
-    return res;
-}
-#else
-static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) {
-    int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0;
-    if (!res) {
-        res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2);
-    }
-    return res;
-}
-#endif
-static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) {
-    Py_ssize_t i, n;
-    assert(PyExceptionClass_Check(exc_type));
-    n = PyTuple_GET_SIZE(tuple);
-#if PY_MAJOR_VERSION >= 3
-    for (i=0; i<n; i++) {
-        if (exc_type == PyTuple_GET_ITEM(tuple, i)) return 1;
-    }
-#endif
-    for (i=0; i<n; i++) {
-        PyObject *t = PyTuple_GET_ITEM(tuple, i);
-        #if PY_MAJOR_VERSION < 3
-        if (likely(exc_type == t)) return 1;
-        #endif
-        if (likely(PyExceptionClass_Check(t))) {
-            if (__Pyx_inner_PyErr_GivenExceptionMatches2(exc_type, NULL, t)) return 1;
-        } else {
-        }
-    }
-    return 0;
-}
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject* exc_type) {
-    if (likely(err == exc_type)) return 1;
-    if (likely(PyExceptionClass_Check(err))) {
-        if (likely(PyExceptionClass_Check(exc_type))) {
-            return __Pyx_inner_PyErr_GivenExceptionMatches2(err, NULL, exc_type);
-        } else if (likely(PyTuple_Check(exc_type))) {
-            return __Pyx_PyErr_GivenExceptionMatchesTuple(err, exc_type);
-        } else {
-        }
-    }
-    return PyErr_GivenExceptionMatches(err, exc_type);
-}
-static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *exc_type1, PyObject *exc_type2) {
-    assert(PyExceptionClass_Check(exc_type1));
-    assert(PyExceptionClass_Check(exc_type2));
-    if (likely(err == exc_type1 || err == exc_type2)) return 1;
-    if (likely(PyExceptionClass_Check(err))) {
-        return __Pyx_inner_PyErr_GivenExceptionMatches2(err, exc_type1, exc_type2);
-    }
-    return (PyErr_GivenExceptionMatches(err, exc_type1) || PyErr_GivenExceptionMatches(err, exc_type2));
-}
-#endif
-
-/* CheckBinaryVersion */
-  static int __Pyx_check_binary_version(void) {
-    char ctversion[4], rtversion[4];
-    PyOS_snprintf(ctversion, 4, "%d.%d", PY_MAJOR_VERSION, PY_MINOR_VERSION);
-    PyOS_snprintf(rtversion, 4, "%s", Py_GetVersion());
-    if (ctversion[0] != rtversion[0] || ctversion[2] != rtversion[2]) {
-        char message[200];
-        PyOS_snprintf(message, sizeof(message),
-                      "compiletime version %s of module '%.100s' "
-                      "does not match runtime version %s",
-                      ctversion, __Pyx_MODULE_NAME, rtversion);
-        return PyErr_WarnEx(NULL, message, 1);
-    }
-    return 0;
-}
-
-/* InitStrings */
-  static int __Pyx_InitStrings(__Pyx_StringTabEntry *t) {
-    while (t->p) {
-        #if PY_MAJOR_VERSION < 3
-        if (t->is_unicode) {
-            *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL);
-        } else if (t->intern) {
-            *t->p = PyString_InternFromString(t->s);
-        } else {
-            *t->p = PyString_FromStringAndSize(t->s, t->n - 1);
-        }
-        #else
-        if (t->is_unicode | t->is_str) {
-            if (t->intern) {
-                *t->p = PyUnicode_InternFromString(t->s);
-            } else if (t->encoding) {
-                *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL);
-            } else {
-                *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1);
-            }
-        } else {
-            *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1);
-        }
-        #endif
-        if (!*t->p)
-            return -1;
-        if (PyObject_Hash(*t->p) == -1)
-            return -1;
-        ++t;
-    }
-    return 0;
-}
-
-static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) {
-    return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str));
-}
-static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) {
-    Py_ssize_t ignore;
-    return __Pyx_PyObject_AsStringAndSize(o, &ignore);
-}
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-#if !CYTHON_PEP393_ENABLED
-static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-    char* defenc_c;
-    PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL);
-    if (!defenc) return NULL;
-    defenc_c = PyBytes_AS_STRING(defenc);
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-    {
-        char* end = defenc_c + PyBytes_GET_SIZE(defenc);
-        char* c;
-        for (c = defenc_c; c < end; c++) {
-            if ((unsigned char) (*c) >= 128) {
-                PyUnicode_AsASCIIString(o);
-                return NULL;
-            }
-        }
-    }
-#endif
-    *length = PyBytes_GET_SIZE(defenc);
-    return defenc_c;
-}
-#else
-static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-    if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL;
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-    if (likely(PyUnicode_IS_ASCII(o))) {
-        *length = PyUnicode_GET_LENGTH(o);
-        return PyUnicode_AsUTF8(o);
-    } else {
-        PyUnicode_AsASCIIString(o);
-        return NULL;
-    }
-#else
-    return PyUnicode_AsUTF8AndSize(o, length);
-#endif
-}
-#endif
-#endif
-static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) {
-#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT
-    if (
-#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII
-            __Pyx_sys_getdefaultencoding_not_ascii &&
-#endif
-            PyUnicode_Check(o)) {
-        return __Pyx_PyUnicode_AsStringAndSize(o, length);
-    } else
-#endif
-#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE))
-    if (PyByteArray_Check(o)) {
-        *length = PyByteArray_GET_SIZE(o);
-        return PyByteArray_AS_STRING(o);
-    } else
-#endif
-    {
-        char* result;
-        int r = PyBytes_AsStringAndSize(o, &result, length);
-        if (unlikely(r < 0)) {
-            return NULL;
-        } else {
-            return result;
-        }
-    }
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) {
-   int is_true = x == Py_True;
-   if (is_true | (x == Py_False) | (x == Py_None)) return is_true;
-   else return PyObject_IsTrue(x);
-}
-static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) {
-    int retval;
-    if (unlikely(!x)) return -1;
-    retval = __Pyx_PyObject_IsTrue(x);
-    Py_DECREF(x);
-    return retval;
-}
-static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) {
-#if PY_MAJOR_VERSION >= 3
-    if (PyLong_Check(result)) {
-        if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1,
-                "__int__ returned non-int (type %.200s).  "
-                "The ability to return an instance of a strict subclass of int "
-                "is deprecated, and may be removed in a future version of Python.",
-                Py_TYPE(result)->tp_name)) {
-            Py_DECREF(result);
-            return NULL;
-        }
-        return result;
-    }
-#endif
-    PyErr_Format(PyExc_TypeError,
-                 "__%.4s__ returned non-%.4s (type %.200s)",
-                 type_name, type_name, Py_TYPE(result)->tp_name);
-    Py_DECREF(result);
-    return NULL;
-}
-static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) {
-#if CYTHON_USE_TYPE_SLOTS
-  PyNumberMethods *m;
-#endif
-  const char *name = NULL;
-  PyObject *res = NULL;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_Check(x) || PyLong_Check(x)))
-#else
-  if (likely(PyLong_Check(x)))
-#endif
-    return __Pyx_NewRef(x);
-#if CYTHON_USE_TYPE_SLOTS
-  m = Py_TYPE(x)->tp_as_number;
-  #if PY_MAJOR_VERSION < 3
-  if (m && m->nb_int) {
-    name = "int";
-    res = m->nb_int(x);
-  }
-  else if (m && m->nb_long) {
-    name = "long";
-    res = m->nb_long(x);
-  }
-  #else
-  if (likely(m && m->nb_int)) {
-    name = "int";
-    res = m->nb_int(x);
-  }
-  #endif
-#else
-  if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) {
-    res = PyNumber_Int(x);
-  }
-#endif
-  if (likely(res)) {
-#if PY_MAJOR_VERSION < 3
-    if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) {
-#else
-    if (unlikely(!PyLong_CheckExact(res))) {
-#endif
-        return __Pyx_PyNumber_IntOrLongWrongResultType(res, name);
-    }
-  }
-  else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_TypeError,
-                    "an integer is required");
-  }
-  return res;
-}
-static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) {
-  Py_ssize_t ival;
-  PyObject *x;
-#if PY_MAJOR_VERSION < 3
-  if (likely(PyInt_CheckExact(b))) {
-    if (sizeof(Py_ssize_t) >= sizeof(long))
-        return PyInt_AS_LONG(b);
-    else
-        return PyInt_AsSsize_t(b);
-  }
-#endif
-  if (likely(PyLong_CheckExact(b))) {
-    #if CYTHON_USE_PYLONG_INTERNALS
-    const digit* digits = ((PyLongObject*)b)->ob_digit;
-    const Py_ssize_t size = Py_SIZE(b);
-    if (likely(__Pyx_sst_abs(size) <= 1)) {
-        ival = likely(size) ? digits[0] : 0;
-        if (size == -1) ival = -ival;
-        return ival;
-    } else {
-      switch (size) {
-         case 2:
-           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
-             return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case -2:
-           if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) {
-             return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case 3:
-           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
-             return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case -3:
-           if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) {
-             return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case 4:
-           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
-             return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-         case -4:
-           if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) {
-             return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0]));
-           }
-           break;
-      }
-    }
-    #endif
-    return PyLong_AsSsize_t(b);
-  }
-  x = PyNumber_Index(b);
-  if (!x) return -1;
-  ival = PyInt_AsSsize_t(x);
-  Py_DECREF(x);
-  return ival;
-}
-static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) {
-  return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False);
-}
-static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) {
-    return PyInt_FromSize_t(ival);
-}
-
-
-#endif /* Py_PYTHON_H */
diff --git a/src/screening/gap_rqtest.pyx b/src/screening/gap_rqtest.pyx
deleted file mode 100644
index 1c71ecbca67287ee052416802de8478ae845fa21..0000000000000000000000000000000000000000
--- a/src/screening/gap_rqtest.pyx
+++ /dev/null
@@ -1,155 +0,0 @@
-# -*- coding: utf-8 -*-
-# Based on https://cython.readthedocs.io/en/latest/src/tutorial/numpy.html
-# https://cython.readthedocs.io/en/latest/src/tutorial/memory_allocation.html
-import numpy as np
-
-from src.screening.ascreening import AbstractGapScreening
-
-
-# "cimport" is used to import special compile-time information
-# about the numpy module (this is stored in a file numpy.pxd which is
-# currently part of the Cython distribution).
-cimport numpy as np
-# from libcpp cimport bool as bool_t
-
-cimport cython
-from cpython.mem cimport PyMem_Malloc, PyMem_Realloc, PyMem_Free
-
-ctypedef np.npy_bool bool_t
-
-
-#(AbstractGapScreening)
-
-cdef class GAP_RQtest:
-   """ Generalized test
-   """
-
-   cdef double *vec_cumsum_gammas
-   cdef long *vec_rq
-
-   @cython.boundscheck(False) # turn off bounds-checking for entire function
-   @cython.wraparound(False)  # turn off negative index wrapping for entire function
-   def __init__(
-      self, 
-      np.ndarray[np.npy_double, ndim=1] vec_gammas,
-      np.ndarray[long, ndim=1] vec_rq,
-   ):
-      
-      cdef int n = vec_gammas.shape[0]
-      cdef int i
-
-      self.vec_cumsum_gammas = <double*> PyMem_Malloc((n+1) * sizeof(double))
-      self.vec_cumsum_gammas[0] = 0
-
-      self.vec_rq = <long*> PyMem_Malloc(n * sizeof(long))
-
-      for i in range(n):
-         self.vec_cumsum_gammas[i+1] = self.vec_cumsum_gammas[i] + vec_gammas[i]
-         self.vec_rq[i] = vec_rq[i]
-
-
-   def __dealloc__(self):
-      PyMem_Free(self.vec_cumsum_gammas)  # no-op if self.data is NULL
-      PyMem_Free(self.vec_rq)
-
-   def get_name(self):
-      return "p-test cython"
-
-
-   @cython.boundscheck(False) # turn off bounds-checking for entire function
-   @cython.wraparound(False)  # turn off negative index wrapping for entire function
-   def apply_test(self, 
-      np.ndarray[np.npy_double, ndim=1] Atcabs, 
-      double gap, 
-      double lbd, 
-      np.ndarray[np.npy_double, ndim=1] vec_gammas, 
-      double offset_radius=0., 
-      np.ndarray[long, ndim=1] index=None
-   ):
-      """ Apply the Gap safe sphere screening test
-
-      Implementation of the safe screening test
-      
-      Parameters
-      ----------
-      Atcabs : np.ndarray
-         vector matA.T @ vecc where vec is dual admissible in absolute value
-         size [n]
-      gap : positive float
-         duality gap
-      lbd : positive float
-         regularization parameters
-      vec_gammas : np.ndarray
-         slope parameters
-         size [n,]
-      offset_radius : float
-         additive term added to the redius
-         default is 0
-      index : np.ndarray
-         Array of indices that sort Atu in absolute value
-         default is None
-      
-      Returns
-      -------
-      calI_screen : np.ndarray
-         vector of boolean
-         True if screening test passes and False otherwise
-         size [n,]
-      """
-
-      cdef double radius = np.sqrt(2 * gap) + offset_radius
-
-      cdef int n = Atcabs.shape[0]
-      cdef int k, l, q, r_q
-      cdef double lhs
-
-      # right-hand side
-      cdef np.ndarray[np.npy_double, ndim=1] vec_kappaqr
-      vec_kappaqr = np.zeros(n+1, dtype=np.double)
-
-      for q in range(1, n+1):
-         r_q = self.vec_rq[q-1]
-
-         vec_kappaqr[q] += lbd * (self.vec_cumsum_gammas[q] - self.vec_cumsum_gammas[r_q-1])
-         vec_kappaqr[q] -= (q - r_q + 1) * radius
-
-      # output
-      cdef np.ndarray[np.npy_bool, ndim=1] calI_screen = np.ones(n, dtype=bool)
-
-      # 1. Sort in descending order
-      if index is None:
-         index = np.argsort(Atcabs)[::-1]
-
-      cdef np.ndarray[np.npy_double, ndim=1] vec_cumsumAtcabs = np.zeros(n+1, dtype=np.double)
-      vec_cumsumAtcabs[1:] = np.cumsum(Atcabs[index])
-
-      for l in range(n):
-         index_l = index[l]
-
-         for q in range(1, n+1): # Index are shifted by 1
-            r_q = self.vec_rq[q-1]
-            # lhs = 0
-
-            if r_q >= q:
-               lhs = Atcabs[index_l]
-
-            # elif index_l < index[r_q-1] or index_l >= index[q-1]:
-            elif l < r_q or l > q-1:
-               #In this calse |A_{\l}c|_[k] =|Atc|_[k] for the range of k 
-               lhs = Atcabs[index_l] + vec_cumsumAtcabs[q-1] - vec_cumsumAtcabs[r_q-2]
-
-               # for k in range(r_q-1, q-1):
-               #    lhs += Atcabs[index[k]]
-
-            else:
-               # print("ici else")
-               lhs = vec_cumsumAtcabs[q] - vec_cumsumAtcabs[r_q-2]
-               # for k in range(r_q-1, q):
-               #    lhs += Atcabs[index[k]]
-
-            if lhs >= vec_kappaqr[q]:
-
-               calI_screen[index_l] = False
-               break
-   
-      return calI_screen
\ No newline at end of file
diff --git a/src/screening/gap_ptest.c b/src/screening/gap_test_all.c
similarity index 88%
rename from src/screening/gap_ptest.c
rename to src/screening/gap_test_all.c
index 1c63f09c0d612340e058ad047767fafa2d20c4df..00a93b305924ba2297d346f92340f40b95d1d162 100644
--- a/src/screening/gap_ptest.c
+++ b/src/screening/gap_test_all.c
@@ -4,12 +4,12 @@
 {
     "distutils": {
         "depends": [],
-        "name": "src.screening.gap_ptest",
+        "name": "src.screening.gap_test_all",
         "sources": [
-            "src/screening/gap_ptest.pyx"
+            "src/screening/gap_test_all.pyx"
         ]
     },
-    "module_name": "src.screening.gap_ptest"
+    "module_name": "src.screening.gap_test_all"
 }
 END: Cython Metadata */
 
@@ -625,8 +625,8 @@ static CYTHON_INLINE float __PYX_NAN() {
   #endif
 #endif
 
-#define __PYX_HAVE__src__screening__gap_ptest
-#define __PYX_HAVE_API__src__screening__gap_ptest
+#define __PYX_HAVE__src__screening__gap_test_all
+#define __PYX_HAVE_API__src__screening__gap_test_all
 /* Early includes */
 #include <string.h>
 #include <stdio.h>
@@ -868,7 +868,7 @@ static const char *__pyx_filename;
 
 
 static const char *__pyx_f[] = {
-  "src/screening/gap_ptest.pyx",
+  "src/screening/gap_test_all.pyx",
   "stringsource",
   "venv/lib/python3.8/site-packages/numpy/__init__.pxd",
   "venv/lib/python3.8/site-packages/Cython/Includes/cpython/type.pxd",
@@ -1099,14 +1099,14 @@ typedef npy_double __pyx_t_5numpy_double_t;
  */
 typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
 
-/* "src/screening/gap_ptest.pyx":18
+/* "src/screening/gap_test_all.pyx":18
  * from cpython.mem cimport PyMem_Malloc, PyMem_Realloc, PyMem_Free
  * 
  * ctypedef np.npy_bool bool_t             # <<<<<<<<<<<<<<
  * 
  * 
  */
-typedef npy_bool __pyx_t_3src_9screening_9gap_ptest_bool_t;
+typedef npy_bool __pyx_t_3src_9screening_12gap_test_all_bool_t;
 /* Declarations.proto */
 #if CYTHON_CCOMPLEX
   #ifdef __cplusplus
@@ -1133,7 +1133,7 @@ static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(do
 
 
 /*--- Type declarations ---*/
-struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest;
+struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll;
 
 /* "venv/lib/python3.8/site-packages/numpy/__init__.pxd":729
  * ctypedef npy_longdouble longdouble_t
@@ -1171,14 +1171,14 @@ typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
  */
 typedef npy_cdouble __pyx_t_5numpy_complex_t;
 
-/* "src/screening/gap_ptest.pyx":23
- * #(AbstractGapScreening)
+/* "src/screening/gap_test_all.pyx":21
  * 
- * cdef class GAP_Ptest:             # <<<<<<<<<<<<<<
+ * 
+ * cdef class GapTestAll:             # <<<<<<<<<<<<<<
  *    """ Generalized test
  *    """
  */
-struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest {
+struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll {
   PyObject_HEAD
   double *vec_cumsum_gammas;
 };
@@ -1298,6 +1298,15 @@ static Py_ssize_t __Pyx_minusones[] = { -1, -1, -1, -1, -1, -1, -1, -1 };
 static Py_ssize_t __Pyx_zeros[] = { 0, 0, 0, 0, 0, 0, 0, 0 };
 
 #define __Pyx_BufPtrStrided1d(type, buf, i0, s0) (type)((char*)buf + i0 * s0)
+/* PyObjectSetAttrStr.proto */
+#if CYTHON_USE_TYPE_SLOTS
+#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o, n, NULL)
+static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value);
+#else
+#define __Pyx_PyObject_DelAttrStr(o,n)   PyObject_DelAttr(o,n)
+#define __Pyx_PyObject_SetAttrStr(o,n,v) PyObject_SetAttr(o,n,v)
+#endif
+
 /* PyThreadStateGet.proto */
 #if CYTHON_FAST_THREAD_STATE
 #define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
@@ -1774,17 +1783,17 @@ static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
 
 /* Module declarations from 'cython' */
 
-/* Module declarations from 'src.screening.gap_ptest' */
-static PyTypeObject *__pyx_ptype_3src_9screening_9gap_ptest_GAP_Ptest = 0;
+/* Module declarations from 'src.screening.gap_test_all' */
+static PyTypeObject *__pyx_ptype_3src_9screening_12gap_test_all_GapTestAll = 0;
 static __Pyx_TypeInfo __Pyx_TypeInfo_nn_npy_double = { "npy_double", NULL, sizeof(npy_double), { 0 }, 0, 'R', 0, 0 };
 static __Pyx_TypeInfo __Pyx_TypeInfo_long = { "long", NULL, sizeof(long), { 0 }, 0, IS_UNSIGNED(long) ? 'U' : 'I', IS_UNSIGNED(long), 0 };
 static __Pyx_TypeInfo __Pyx_TypeInfo_nn___pyx_t_5numpy_int_t = { "int_t", NULL, sizeof(__pyx_t_5numpy_int_t), { 0 }, 0, IS_UNSIGNED(__pyx_t_5numpy_int_t) ? 'U' : 'I', IS_UNSIGNED(__pyx_t_5numpy_int_t), 0 };
 static __Pyx_TypeInfo __Pyx_TypeInfo_nn_npy_bool = { "npy_bool", NULL, sizeof(npy_bool), { 0 }, 0, IS_UNSIGNED(npy_bool) ? 'U' : 'I', IS_UNSIGNED(npy_bool), 0 };
-#define __Pyx_MODULE_NAME "src.screening.gap_ptest"
-extern int __pyx_module_is_main_src__screening__gap_ptest;
-int __pyx_module_is_main_src__screening__gap_ptest = 0;
+#define __Pyx_MODULE_NAME "src.screening.gap_test_all"
+extern int __pyx_module_is_main_src__screening__gap_test_all;
+int __pyx_module_is_main_src__screening__gap_test_all = 0;
 
-/* Implementation of 'src.screening.gap_ptest' */
+/* Implementation of 'src.screening.gap_test_all' */
 static PyObject *__pyx_builtin_range;
 static PyObject *__pyx_builtin_TypeError;
 static PyObject *__pyx_builtin_ImportError;
@@ -1792,7 +1801,7 @@ static const char __pyx_k_np[] = "np";
 static const char __pyx_k_gap[] = "gap";
 static const char __pyx_k_lbd[] = "lbd";
 static const char __pyx_k_main[] = "__main__";
-static const char __pyx_k_name[] = "__name__";
+static const char __pyx_k_name[] = "name";
 static const char __pyx_k_sqrt[] = "sqrt";
 static const char __pyx_k_test[] = "__test__";
 static const char __pyx_k_dtype[] = "dtype";
@@ -1804,20 +1813,22 @@ static const char __pyx_k_Atcabs[] = "Atcabs";
 static const char __pyx_k_arange[] = "arange";
 static const char __pyx_k_cumsum[] = "cumsum";
 static const char __pyx_k_import[] = "__import__";
+static const char __pyx_k_name_2[] = "__name__";
 static const char __pyx_k_reduce[] = "__reduce__";
 static const char __pyx_k_argsort[] = "argsort";
 static const char __pyx_k_getstate[] = "__getstate__";
 static const char __pyx_k_setstate[] = "__setstate__";
-static const char __pyx_k_GAP_Ptest[] = "GAP_Ptest";
 static const char __pyx_k_TypeError[] = "TypeError";
 static const char __pyx_k_reduce_ex[] = "__reduce_ex__";
+static const char __pyx_k_GapTestAll[] = "GapTestAll";
 static const char __pyx_k_vec_gammas[] = "vec_gammas";
 static const char __pyx_k_ImportError[] = "ImportError";
 static const char __pyx_k_offset_radius[] = "offset_radius";
-static const char __pyx_k_p_test_cython[] = "p-test cython";
 static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
 static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
 static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
+static const char __pyx_k_coeff_dual_scaling[] = "coeff_dual_scaling";
+static const char __pyx_k_GAP_test_all_cython[] = "GAP test-all (cython)";
 static const char __pyx_k_AbstractGapScreening[] = "AbstractGapScreening";
 static const char __pyx_k_src_screening_ascreening[] = "src.screening.ascreening";
 static const char __pyx_k_numpy_core_multiarray_failed_to[] = "numpy.core.multiarray failed to import";
@@ -1825,12 +1836,14 @@ static const char __pyx_k_numpy_core_umath_failed_to_impor[] = "numpy.core.umath
 static const char __pyx_k_self_vec_cumsum_gammas_cannot_be[] = "self.vec_cumsum_gammas cannot be converted to a Python object for pickling";
 static PyObject *__pyx_n_s_AbstractGapScreening;
 static PyObject *__pyx_n_s_Atcabs;
-static PyObject *__pyx_n_s_GAP_Ptest;
+static PyObject *__pyx_kp_s_GAP_test_all_cython;
+static PyObject *__pyx_n_s_GapTestAll;
 static PyObject *__pyx_n_s_ImportError;
 static PyObject *__pyx_n_s_TypeError;
 static PyObject *__pyx_n_s_arange;
 static PyObject *__pyx_n_s_argsort;
 static PyObject *__pyx_n_s_cline_in_traceback;
+static PyObject *__pyx_n_s_coeff_dual_scaling;
 static PyObject *__pyx_n_s_cumsum;
 static PyObject *__pyx_n_s_dtype;
 static PyObject *__pyx_n_s_gap;
@@ -1840,12 +1853,12 @@ static PyObject *__pyx_n_s_index;
 static PyObject *__pyx_n_s_lbd;
 static PyObject *__pyx_n_s_main;
 static PyObject *__pyx_n_s_name;
+static PyObject *__pyx_n_s_name_2;
 static PyObject *__pyx_n_s_np;
 static PyObject *__pyx_n_s_numpy;
 static PyObject *__pyx_kp_s_numpy_core_multiarray_failed_to;
 static PyObject *__pyx_kp_s_numpy_core_umath_failed_to_impor;
 static PyObject *__pyx_n_s_offset_radius;
-static PyObject *__pyx_kp_s_p_test_cython;
 static PyObject *__pyx_n_s_range;
 static PyObject *__pyx_n_s_reduce;
 static PyObject *__pyx_n_s_reduce_cython;
@@ -1858,13 +1871,12 @@ static PyObject *__pyx_n_s_src_screening_ascreening;
 static PyObject *__pyx_n_s_test;
 static PyObject *__pyx_n_s_vec_gammas;
 static PyObject *__pyx_n_s_zeros;
-static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *__pyx_v_self, PyArrayObject *__pyx_v_vec_gammas); /* proto */
-static void __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_2__dealloc__(struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_4get_name(CYTHON_UNUSED struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_6apply_test(CYTHON_UNUSED struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *__pyx_v_self, PyArrayObject *__pyx_v_Atcabs, double __pyx_v_gap, double __pyx_v_lbd, PyArrayObject *__pyx_v_vec_gammas, double __pyx_v_offset_radius, PyArrayObject *__pyx_v_index); /* proto */
-static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_8__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_10__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
-static PyObject *__pyx_tp_new_3src_9screening_9gap_ptest_GAP_Ptest(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
+static int __pyx_pf_3src_9screening_12gap_test_all_10GapTestAll___init__(struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self, PyArrayObject *__pyx_v_vec_gammas); /* proto */
+static void __pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_2__dealloc__(struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_4apply_test(CYTHON_UNUSED struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self, PyArrayObject *__pyx_v_Atcabs, double __pyx_v_gap, double __pyx_v_lbd, PyArrayObject *__pyx_v_vec_gammas, double __pyx_v_coeff_dual_scaling, double __pyx_v_offset_radius, PyArrayObject *__pyx_v_index); /* proto */
+static PyObject *__pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_6__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_8__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
+static PyObject *__pyx_tp_new_3src_9screening_12gap_test_all_GapTestAll(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_int_0;
 static PyObject *__pyx_int_1;
 static PyObject *__pyx_int_neg_1;
@@ -1875,7 +1887,7 @@ static PyObject *__pyx_tuple__4;
 static PyObject *__pyx_tuple__5;
 /* Late includes */
 
-/* "src/screening/gap_ptest.pyx":31
+/* "src/screening/gap_test_all.pyx":29
  *    @cython.boundscheck(False) # turn off bounds-checking for entire function
  *    @cython.wraparound(False)  # turn off negative index wrapping for entire function
  *    def __init__(             # <<<<<<<<<<<<<<
@@ -1884,8 +1896,8 @@ static PyObject *__pyx_tuple__5;
  */
 
 /* Python wrapper */
-static int __pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyArrayObject *__pyx_v_vec_gammas = 0;
   int __pyx_lineno = 0;
   const char *__pyx_filename = NULL;
@@ -1912,7 +1924,7 @@ static int __pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_1__init__(PyObject *__
         else goto __pyx_L5_argtuple_error;
       }
       if (unlikely(kw_args > 0)) {
-        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) __PYX_ERR(0, 31, __pyx_L3_error)
+        if (unlikely(__Pyx_ParseOptionalKeywords(__pyx_kwds, __pyx_pyargnames, 0, values, pos_args, "__init__") < 0)) __PYX_ERR(0, 29, __pyx_L3_error)
       }
     } else if (PyTuple_GET_SIZE(__pyx_args) != 1) {
       goto __pyx_L5_argtuple_error;
@@ -1923,14 +1935,14 @@ static int __pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_1__init__(PyObject *__
   }
   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("__init__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 31, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("__init__", 1, 1, 1, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 29, __pyx_L3_error)
   __pyx_L3_error:;
-  __Pyx_AddTraceback("src.screening.gap_ptest.GAP_Ptest.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("src.screening.gap_test_all.GapTestAll.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
   __pyx_L4_argument_unpacking_done:;
-  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_vec_gammas), __pyx_ptype_5numpy_ndarray, 1, "vec_gammas", 0))) __PYX_ERR(0, 32, __pyx_L1_error)
-  __pyx_r = __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(((struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *)__pyx_v_self), __pyx_v_vec_gammas);
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_vec_gammas), __pyx_ptype_5numpy_ndarray, 1, "vec_gammas", 0))) __PYX_ERR(0, 30, __pyx_L1_error)
+  __pyx_r = __pyx_pf_3src_9screening_12gap_test_all_10GapTestAll___init__(((struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *)__pyx_v_self), __pyx_v_vec_gammas);
 
   /* function exit code */
   goto __pyx_L0;
@@ -1941,7 +1953,7 @@ static int __pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_1__init__(PyObject *__
   return __pyx_r;
 }
 
-static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *__pyx_v_self, PyArrayObject *__pyx_v_vec_gammas) {
+static int __pyx_pf_3src_9screening_12gap_test_all_10GapTestAll___init__(struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self, PyArrayObject *__pyx_v_vec_gammas) {
   int __pyx_v_n;
   int __pyx_v_i;
   __Pyx_LocalBuf_ND __pyx_pybuffernd_vec_gammas;
@@ -1962,11 +1974,11 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
   __pyx_pybuffernd_vec_gammas.rcbuffer = &__pyx_pybuffer_vec_gammas;
   {
     __Pyx_BufFmt_StackElem __pyx_stack[1];
-    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer, (PyObject*)__pyx_v_vec_gammas, &__Pyx_TypeInfo_nn_npy_double, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) __PYX_ERR(0, 31, __pyx_L1_error)
+    if (unlikely(__Pyx_GetBufferAndValidate(&__pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer, (PyObject*)__pyx_v_vec_gammas, &__Pyx_TypeInfo_nn_npy_double, PyBUF_FORMAT| PyBUF_STRIDES, 1, 0, __pyx_stack) == -1)) __PYX_ERR(0, 29, __pyx_L1_error)
   }
   __pyx_pybuffernd_vec_gammas.diminfo[0].strides = __pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_vec_gammas.diminfo[0].shape = __pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer.shape[0];
 
-  /* "src/screening/gap_ptest.pyx":35
+  /* "src/screening/gap_test_all.pyx":33
  *    ):
  * 
  *       cdef int n = vec_gammas.shape[0]             # <<<<<<<<<<<<<<
@@ -1975,7 +1987,7 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
  */
   __pyx_v_n = (__pyx_v_vec_gammas->dimensions[0]);
 
-  /* "src/screening/gap_ptest.pyx":38
+  /* "src/screening/gap_test_all.pyx":36
  *       cdef int i
  * 
  *       self.vec_cumsum_gammas = <double*> PyMem_Malloc((n+1) * sizeof(double))             # <<<<<<<<<<<<<<
@@ -1984,7 +1996,7 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
  */
   __pyx_v_self->vec_cumsum_gammas = ((double *)PyMem_Malloc(((__pyx_v_n + 1) * (sizeof(double)))));
 
-  /* "src/screening/gap_ptest.pyx":39
+  /* "src/screening/gap_test_all.pyx":37
  * 
  *       self.vec_cumsum_gammas = <double*> PyMem_Malloc((n+1) * sizeof(double))
  *       self.vec_cumsum_gammas[0] = 0             # <<<<<<<<<<<<<<
@@ -1993,7 +2005,7 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
  */
   (__pyx_v_self->vec_cumsum_gammas[0]) = 0.0;
 
-  /* "src/screening/gap_ptest.pyx":41
+  /* "src/screening/gap_test_all.pyx":39
  *       self.vec_cumsum_gammas[0] = 0
  * 
  *       for i in range(n):             # <<<<<<<<<<<<<<
@@ -2005,7 +2017,7 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
   for (__pyx_t_3 = 0; __pyx_t_3 < __pyx_t_2; __pyx_t_3+=1) {
     __pyx_v_i = __pyx_t_3;
 
-    /* "src/screening/gap_ptest.pyx":42
+    /* "src/screening/gap_test_all.pyx":40
  * 
  *       for i in range(n):
  *          self.vec_cumsum_gammas[i+1] = self.vec_cumsum_gammas[i] + vec_gammas[i]             # <<<<<<<<<<<<<<
@@ -2016,7 +2028,16 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
     (__pyx_v_self->vec_cumsum_gammas[(__pyx_v_i + 1)]) = ((__pyx_v_self->vec_cumsum_gammas[__pyx_v_i]) + (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer.buf, __pyx_t_4, __pyx_pybuffernd_vec_gammas.diminfo[0].strides)));
   }
 
-  /* "src/screening/gap_ptest.pyx":31
+  /* "src/screening/gap_test_all.pyx":48
+ *       # self.vec_cumsum_gammas = &buf[0]
+ * 
+ *       self.name = "GAP test-all (cython)"             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_name, __pyx_kp_s_GAP_test_all_cython) < 0) __PYX_ERR(0, 48, __pyx_L1_error)
+
+  /* "src/screening/gap_test_all.pyx":29
  *    @cython.boundscheck(False) # turn off bounds-checking for entire function
  *    @cython.wraparound(False)  # turn off negative index wrapping for entire function
  *    def __init__(             # <<<<<<<<<<<<<<
@@ -2034,7 +2055,7 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
     __Pyx_ErrFetch(&__pyx_type, &__pyx_value, &__pyx_tb);
     __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer);
   __Pyx_ErrRestore(__pyx_type, __pyx_value, __pyx_tb);}
-  __Pyx_AddTraceback("src.screening.gap_ptest.GAP_Ptest.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("src.screening.gap_test_all.GapTestAll.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __pyx_r = -1;
   goto __pyx_L2;
   __pyx_L0:;
@@ -2044,7 +2065,7 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
   return __pyx_r;
 }
 
-/* "src/screening/gap_ptest.pyx":51
+/* "src/screening/gap_test_all.pyx":51
  * 
  * 
  *    def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -2053,21 +2074,21 @@ static int __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest___init__(struct __pyx_
  */
 
 /* Python wrapper */
-static void __pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
-static void __pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_3__dealloc__(PyObject *__pyx_v_self) {
+static void __pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
+static void __pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_3__dealloc__(PyObject *__pyx_v_self) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__ (wrapper)", 0);
-  __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_2__dealloc__(((struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *)__pyx_v_self));
+  __pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_2__dealloc__(((struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *)__pyx_v_self));
 
   /* function exit code */
   __Pyx_RefNannyFinishContext();
 }
 
-static void __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_2__dealloc__(struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest *__pyx_v_self) {
+static void __pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_2__dealloc__(struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__dealloc__", 0);
 
-  /* "src/screening/gap_ptest.pyx":52
+  /* "src/screening/gap_test_all.pyx":52
  * 
  *    def __dealloc__(self):
  *       PyMem_Free(self.vec_cumsum_gammas)  # no-op if self.data is NULL             # <<<<<<<<<<<<<<
@@ -2076,7 +2097,7 @@ static void __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_2__dealloc__(struct _
  */
   PyMem_Free(__pyx_v_self->vec_cumsum_gammas);
 
-  /* "src/screening/gap_ptest.pyx":51
+  /* "src/screening/gap_test_all.pyx":51
  * 
  * 
  *    def __dealloc__(self):             # <<<<<<<<<<<<<<
@@ -2088,60 +2109,7 @@ static void __pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_2__dealloc__(struct _
   __Pyx_RefNannyFinishContext();
 }
 
-/* "src/screening/gap_ptest.pyx":55
- * 
- * 
- *    def get_name(self):             # <<<<<<<<<<<<<<
- *       return "p-test cython"
- * 
- */
-
-/* Python wrapper */
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 /* Python wrapper */
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+static PyObject *__pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_5apply_test(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static char __pyx_doc_3src_9screening_12gap_test_all_10GapTestAll_4apply_test[] = " Apply the Gap safe sphere screening test\n\n      Implementation of the safe screening test\n      \n      Parameters\n      ----------\n      Atcabs : np.ndarray\n         vector matA.T @ vecc where vec is dual admissible in absolute value\n         size [n]\n      gap : positive float\n         duality gap\n      lbd : positive float\n         regularization parameters\n      vec_gammas : np.ndarray\n         slope parameters\n         size [n,]\n      coeff_dual_scaling : positif float\n         If coeff_dual_scaling is not feasible, dual scaling factor\n         such taht vecu / coeff_dual_scaling os dual feasible\n         Here for code optimization purposes\n         Default value is 1. (vecu is feasible)\n      offset_radius : float\n         additive term added to the redius\n         default is 0\n      index : np.ndarray\n         Array of indices that sort Atu in absolute value\n         default is None\n      \n      Returns\n      -------\n      calI_screen : np.ndarray\n         vector of boolean\n         True if screening test passes and False otherwise\n         size [n,]\n      ";
+static PyObject *__pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_5apply_test(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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   double __pyx_v_gap;
   double __pyx_v_lbd;
   PyArrayObject *__pyx_v_vec_gammas = 0;
+  double __pyx_v_coeff_dual_scaling;
   double __pyx_v_offset_radius;
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-    PyObject* values[6] = {0,0,0,0,0,0};
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_Atcabs,&__pyx_n_s_gap,&__pyx_n_s_lbd,&__pyx_n_s_vec_gammas,&__pyx_n_s_coeff_dual_scaling,&__pyx_n_s_offset_radius,&__pyx_n_s_index,0};
+    PyObject* values[7] = {0,0,0,0,0,0,0};
 
-    /* "src/screening/gap_ptest.pyx":67
- *       np.ndarray[np.npy_double, ndim=1] vec_gammas,
+    /* "src/screening/gap_test_all.pyx":64
+ *       double coeff_dual_scaling =1.,
  *       double offset_radius=0.,
  *       np.ndarray[long, ndim=1] index=None             # <<<<<<<<<<<<<<
  *    ):
  *       """ Apply the Gap safe sphere screening test
  */
-    values[5] = (PyObject *)((PyArrayObject *)Py_None);
+    values[6] = (PyObject *)((PyArrayObject *)Py_None);
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       const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
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-          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_index);
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+        CYTHON_FALLTHROUGH;
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         CYTHON_FALLTHROUGH;
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@@ -2250,30 +2229,35 @@ static PyObject *__pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_7apply_test(PyOb
       }
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-    __pyx_v_gap = __pyx_PyFloat_AsDouble(values[1]); if (unlikely((__pyx_v_gap == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 63, __pyx_L3_error)
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+    __pyx_v_gap = __pyx_PyFloat_AsDouble(values[1]); if (unlikely((__pyx_v_gap == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 59, __pyx_L3_error)
+    __pyx_v_lbd = __pyx_PyFloat_AsDouble(values[2]); if (unlikely((__pyx_v_lbd == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 60, __pyx_L3_error)
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+      __pyx_v_coeff_dual_scaling = __pyx_PyFloat_AsDouble(values[4]); if (unlikely((__pyx_v_coeff_dual_scaling == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 62, __pyx_L3_error)
+    } else {
+      __pyx_v_coeff_dual_scaling = ((double)1.);
+    }
+    if (values[5]) {
+      __pyx_v_offset_radius = __pyx_PyFloat_AsDouble(values[5]); if (unlikely((__pyx_v_offset_radius == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 63, __pyx_L3_error)
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       __pyx_v_offset_radius = ((double)0.);
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-    __pyx_v_index = ((PyArrayObject *)values[5]);
+    __pyx_v_index = ((PyArrayObject *)values[6]);
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-  __Pyx_RaiseArgtupleInvalid("apply_test", 0, 4, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 61, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("apply_test", 0, 4, 7, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 57, __pyx_L3_error)
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-  __Pyx_AddTraceback("src.screening.gap_ptest.GAP_Ptest.apply_test", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_Atcabs), __pyx_ptype_5numpy_ndarray, 1, "Atcabs", 0))) __PYX_ERR(0, 58, __pyx_L1_error)
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_vec_gammas), __pyx_ptype_5numpy_ndarray, 1, "vec_gammas", 0))) __PYX_ERR(0, 61, __pyx_L1_error)
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_index), __pyx_ptype_5numpy_ndarray, 1, "index", 0))) __PYX_ERR(0, 64, __pyx_L1_error)
+  __pyx_r = __pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_4apply_test(((struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *)__pyx_v_self), __pyx_v_Atcabs, __pyx_v_gap, __pyx_v_lbd, __pyx_v_vec_gammas, __pyx_v_coeff_dual_scaling, __pyx_v_offset_radius, __pyx_v_index);
 
-  /* "src/screening/gap_ptest.pyx":61
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  *    @cython.boundscheck(False) # turn off bounds-checking for entire function
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 }
 
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+static PyObject *__pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_4apply_test(CYTHON_UNUSED struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self, PyArrayObject *__pyx_v_Atcabs, double __pyx_v_gap, double __pyx_v_lbd, PyArrayObject *__pyx_v_vec_gammas, double __pyx_v_coeff_dual_scaling, double __pyx_v_offset_radius, PyArrayObject *__pyx_v_index) {
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   int __pyx_v_n;
   int __pyx_v_k;
   int __pyx_v_q;
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   __Pyx_LocalBuf_ND __pyx_pybuffernd_calI_screen;
   __Pyx_Buffer __pyx_pybuffer_calI_screen;
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-  /* "src/screening/gap_ptest.pyx":125
+  /* "src/screening/gap_test_all.pyx":129
  *       cdef np.ndarray[np.npy_double, ndim=1] vec_f = np.cumsum(
- *          lbd * vec_gammas[::-1] - Atcabs[index[::-1]] - radius
+ *          coeff_lbd_gamma[::-1] - Atcabs[index[::-1]] - radius
  *       )[::-1]             # <<<<<<<<<<<<<<
  * 
- *       cdef double best_bound_q = vec_f[0] - lbd * vec_gammas[0]
+ *       cdef double best_bound_q = vec_f[0] - coeff_lbd_gamma[0]
  */
-  __pyx_t_3 = __Pyx_PyObject_GetItem(__pyx_t_1, __pyx_slice_); if (unlikely(!__pyx_t_3)) __PYX_ERR(0, 125, __pyx_L1_error)
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     }
   }
-  __pyx_t_17 = 0;
-  __pyx_v_vec_f = ((PyArrayObject *)__pyx_t_3);
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+  __pyx_v_vec_f = ((PyArrayObject *)__pyx_t_1);
+  __pyx_t_1 = 0;
 
-  /* "src/screening/gap_ptest.pyx":127
+  /* "src/screening/gap_test_all.pyx":131
  *       )[::-1]
  * 
- *       cdef double best_bound_q = vec_f[0] - lbd * vec_gammas[0]             # <<<<<<<<<<<<<<
+ *       cdef double best_bound_q = vec_f[0] - coeff_lbd_gamma[0]             # <<<<<<<<<<<<<<
  *       cdef double curr_bound_q = 0.
  *       cdef double best_bound_p = vec_f[0]
  */
-  __pyx_t_18 = 0;
-  if (__pyx_t_18 < 0) __pyx_t_18 += __pyx_pybuffernd_vec_f.diminfo[0].shape;
   __pyx_t_19 = 0;
-  if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_gammas.diminfo[0].shape;
-  __pyx_v_best_bound_q = ((*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_f.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_vec_f.diminfo[0].strides)) - (__pyx_v_lbd * (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_gammas.diminfo[0].strides))));
+  if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_f.diminfo[0].shape;
+  __pyx_t_20 = 0;
+  if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_pybuffernd_coeff_lbd_gamma.diminfo[0].shape;
+  __pyx_v_best_bound_q = ((*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_f.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_f.diminfo[0].strides)) - (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_coeff_lbd_gamma.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_coeff_lbd_gamma.diminfo[0].strides)));
 
-  /* "src/screening/gap_ptest.pyx":128
+  /* "src/screening/gap_test_all.pyx":132
  * 
- *       cdef double best_bound_q = vec_f[0] - lbd * vec_gammas[0]
+ *       cdef double best_bound_q = vec_f[0] - coeff_lbd_gamma[0]
  *       cdef double curr_bound_q = 0.             # <<<<<<<<<<<<<<
  *       cdef double best_bound_p = vec_f[0]
  *       cdef double curr_bound_p = 0.
  */
   __pyx_v_curr_bound_q = 0.;
 
-  /* "src/screening/gap_ptest.pyx":129
- *       cdef double best_bound_q = vec_f[0] - lbd * vec_gammas[0]
+  /* "src/screening/gap_test_all.pyx":133
+ *       cdef double best_bound_q = vec_f[0] - coeff_lbd_gamma[0]
  *       cdef double curr_bound_q = 0.
  *       cdef double best_bound_p = vec_f[0]             # <<<<<<<<<<<<<<
  *       cdef double curr_bound_p = 0.
  *       for k in range(2, n+1):
  */
-  __pyx_t_19 = 0;
-  if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_f.diminfo[0].shape;
-  __pyx_v_best_bound_p = (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_f.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_f.diminfo[0].strides));
+  __pyx_t_20 = 0;
+  if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_pybuffernd_vec_f.diminfo[0].shape;
+  __pyx_v_best_bound_p = (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_f.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_vec_f.diminfo[0].strides));
 
-  /* "src/screening/gap_ptest.pyx":130
+  /* "src/screening/gap_test_all.pyx":134
  *       cdef double curr_bound_q = 0.
  *       cdef double best_bound_p = vec_f[0]
  *       cdef double curr_bound_p = 0.             # <<<<<<<<<<<<<<
@@ -2774,40 +2792,40 @@ static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_6apply_test(CYTH
  */
   __pyx_v_curr_bound_p = 0.;
 
-  /* "src/screening/gap_ptest.pyx":131
+  /* "src/screening/gap_test_all.pyx":135
  *       cdef double best_bound_p = vec_f[0]
  *       cdef double curr_bound_p = 0.
  *       for k in range(2, n+1):             # <<<<<<<<<<<<<<
  *          #+1 is to match paper index
  * 
  */
-  __pyx_t_20 = (__pyx_v_n + 1);
-  __pyx_t_21 = __pyx_t_20;
-  for (__pyx_t_12 = 2; __pyx_t_12 < __pyx_t_21; __pyx_t_12+=1) {
-    __pyx_v_k = __pyx_t_12;
+  __pyx_t_21 = (__pyx_v_n + 1);
+  __pyx_t_22 = __pyx_t_21;
+  for (__pyx_t_14 = 2; __pyx_t_14 < __pyx_t_22; __pyx_t_14+=1) {
+    __pyx_v_k = __pyx_t_14;
 
-    /* "src/screening/gap_ptest.pyx":135
+    /* "src/screening/gap_test_all.pyx":139
  * 
  *          # 1. Evaluate p*
  *          curr_bound_p = vec_f[k-1]             # <<<<<<<<<<<<<<
  *          if curr_bound_p > best_bound_p:
  *             best_bound_p = curr_bound_p
  */
-    __pyx_t_19 = (__pyx_v_k - 1);
-    if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_f.diminfo[0].shape;
-    __pyx_v_curr_bound_p = (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_f.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_f.diminfo[0].strides));
+    __pyx_t_20 = (__pyx_v_k - 1);
+    if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_pybuffernd_vec_f.diminfo[0].shape;
+    __pyx_v_curr_bound_p = (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_f.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_vec_f.diminfo[0].strides));
 
-    /* "src/screening/gap_ptest.pyx":136
+    /* "src/screening/gap_test_all.pyx":140
  *          # 1. Evaluate p*
  *          curr_bound_p = vec_f[k-1]
  *          if curr_bound_p > best_bound_p:             # <<<<<<<<<<<<<<
  *             best_bound_p = curr_bound_p
  *             vec_p_star[k] = k
  */
-    __pyx_t_10 = ((__pyx_v_curr_bound_p > __pyx_v_best_bound_p) != 0);
-    if (__pyx_t_10) {
+    __pyx_t_12 = ((__pyx_v_curr_bound_p > __pyx_v_best_bound_p) != 0);
+    if (__pyx_t_12) {
 
-      /* "src/screening/gap_ptest.pyx":137
+      /* "src/screening/gap_test_all.pyx":141
  *          curr_bound_p = vec_f[k-1]
  *          if curr_bound_p > best_bound_p:
  *             best_bound_p = curr_bound_p             # <<<<<<<<<<<<<<
@@ -2816,18 +2834,18 @@ static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_6apply_test(CYTH
  */
       __pyx_v_best_bound_p = __pyx_v_curr_bound_p;
 
-      /* "src/screening/gap_ptest.pyx":138
+      /* "src/screening/gap_test_all.pyx":142
  *          if curr_bound_p > best_bound_p:
  *             best_bound_p = curr_bound_p
  *             vec_p_star[k] = k             # <<<<<<<<<<<<<<
  *          else:
  *             vec_p_star[k] = vec_p_star[k-1]
  */
-      __pyx_t_19 = __pyx_v_k;
-      if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_p_star.diminfo[0].shape;
-      *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_p_star.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_p_star.diminfo[0].strides) = __pyx_v_k;
+      __pyx_t_20 = __pyx_v_k;
+      if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_pybuffernd_vec_p_star.diminfo[0].shape;
+      *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_p_star.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_vec_p_star.diminfo[0].strides) = __pyx_v_k;
 
-      /* "src/screening/gap_ptest.pyx":136
+      /* "src/screening/gap_test_all.pyx":140
  *          # 1. Evaluate p*
  *          curr_bound_p = vec_f[k-1]
  *          if curr_bound_p > best_bound_p:             # <<<<<<<<<<<<<<
@@ -2837,7 +2855,7 @@ static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_6apply_test(CYTH
       goto __pyx_L6;
     }
 
-    /* "src/screening/gap_ptest.pyx":140
+    /* "src/screening/gap_test_all.pyx":144
  *             vec_p_star[k] = k
  *          else:
  *             vec_p_star[k] = vec_p_star[k-1]             # <<<<<<<<<<<<<<
@@ -2845,39 +2863,39 @@ static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_6apply_test(CYTH
  *          # 1. Evaluate q*
  */
     /*else*/ {
-      __pyx_t_19 = (__pyx_v_k - 1);
+      __pyx_t_20 = (__pyx_v_k - 1);
+      if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_pybuffernd_vec_p_star.diminfo[0].shape;
+      __pyx_t_19 = __pyx_v_k;
       if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_p_star.diminfo[0].shape;
-      __pyx_t_18 = __pyx_v_k;
-      if (__pyx_t_18 < 0) __pyx_t_18 += __pyx_pybuffernd_vec_p_star.diminfo[0].shape;
-      *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_p_star.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_vec_p_star.diminfo[0].strides) = (*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_p_star.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_p_star.diminfo[0].strides));
+      *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_p_star.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_p_star.diminfo[0].strides) = (*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_p_star.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_vec_p_star.diminfo[0].strides));
     }
     __pyx_L6:;
 
-    /* "src/screening/gap_ptest.pyx":143
+    /* "src/screening/gap_test_all.pyx":147
  * 
  *          # 1. Evaluate q*
- *          curr_bound_q = vec_f[k-1] - lbd * vec_gammas[k-1]             # <<<<<<<<<<<<<<
+ *          curr_bound_q = vec_f[k-1] - coeff_lbd_gamma[k-1]             # <<<<<<<<<<<<<<
  *          if curr_bound_q > best_bound_q:
  *             best_bound_q = curr_bound_q
  */
+    __pyx_t_20 = (__pyx_v_k - 1);
+    if (__pyx_t_20 < 0) __pyx_t_20 += __pyx_pybuffernd_vec_f.diminfo[0].shape;
     __pyx_t_19 = (__pyx_v_k - 1);
-    if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_f.diminfo[0].shape;
-    __pyx_t_18 = (__pyx_v_k - 1);
-    if (__pyx_t_18 < 0) __pyx_t_18 += __pyx_pybuffernd_vec_gammas.diminfo[0].shape;
-    __pyx_v_curr_bound_q = ((*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_f.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_f.diminfo[0].strides)) - (__pyx_v_lbd * (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_vec_gammas.diminfo[0].strides))));
+    if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_coeff_lbd_gamma.diminfo[0].shape;
+    __pyx_v_curr_bound_q = ((*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_f.rcbuffer->pybuffer.buf, __pyx_t_20, __pyx_pybuffernd_vec_f.diminfo[0].strides)) - (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_coeff_lbd_gamma.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_coeff_lbd_gamma.diminfo[0].strides)));
 
-    /* "src/screening/gap_ptest.pyx":144
+    /* "src/screening/gap_test_all.pyx":148
  *          # 1. Evaluate q*
- *          curr_bound_q = vec_f[k-1] - lbd * vec_gammas[k-1]
+ *          curr_bound_q = vec_f[k-1] - coeff_lbd_gamma[k-1]
  *          if curr_bound_q > best_bound_q:             # <<<<<<<<<<<<<<
  *             best_bound_q = curr_bound_q
  *             vec_q_star[k] = k
  */
-    __pyx_t_10 = ((__pyx_v_curr_bound_q > __pyx_v_best_bound_q) != 0);
-    if (__pyx_t_10) {
+    __pyx_t_12 = ((__pyx_v_curr_bound_q > __pyx_v_best_bound_q) != 0);
+    if (__pyx_t_12) {
 
-      /* "src/screening/gap_ptest.pyx":145
- *          curr_bound_q = vec_f[k-1] - lbd * vec_gammas[k-1]
+      /* "src/screening/gap_test_all.pyx":149
+ *          curr_bound_q = vec_f[k-1] - coeff_lbd_gamma[k-1]
  *          if curr_bound_q > best_bound_q:
  *             best_bound_q = curr_bound_q             # <<<<<<<<<<<<<<
  *             vec_q_star[k] = k
@@ -2885,20 +2903,20 @@ static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_6apply_test(CYTH
  */
       __pyx_v_best_bound_q = __pyx_v_curr_bound_q;
 
-      /* "src/screening/gap_ptest.pyx":146
+      /* "src/screening/gap_test_all.pyx":150
  *          if curr_bound_q > best_bound_q:
  *             best_bound_q = curr_bound_q
  *             vec_q_star[k] = k             # <<<<<<<<<<<<<<
  *          else:
  *             vec_q_star[k] = vec_q_star[k-1]
  */
-      __pyx_t_18 = __pyx_v_k;
-      if (__pyx_t_18 < 0) __pyx_t_18 += __pyx_pybuffernd_vec_q_star.diminfo[0].shape;
-      *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_q_star.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_vec_q_star.diminfo[0].strides) = __pyx_v_k;
+      __pyx_t_19 = __pyx_v_k;
+      if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_q_star.diminfo[0].shape;
+      *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_q_star.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_q_star.diminfo[0].strides) = __pyx_v_k;
 
-      /* "src/screening/gap_ptest.pyx":144
+      /* "src/screening/gap_test_all.pyx":148
  *          # 1. Evaluate q*
- *          curr_bound_q = vec_f[k-1] - lbd * vec_gammas[k-1]
+ *          curr_bound_q = vec_f[k-1] - coeff_lbd_gamma[k-1]
  *          if curr_bound_q > best_bound_q:             # <<<<<<<<<<<<<<
  *             best_bound_q = curr_bound_q
  *             vec_q_star[k] = k
@@ -2906,7 +2924,7 @@ static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_6apply_test(CYTH
       goto __pyx_L7;
     }
 
-    /* "src/screening/gap_ptest.pyx":148
+    /* "src/screening/gap_test_all.pyx":152
  *             vec_q_star[k] = k
  *          else:
  *             vec_q_star[k] = vec_q_star[k-1]             # <<<<<<<<<<<<<<
@@ -2914,95 +2932,95 @@ static PyObject *__pyx_pf_3src_9screening_9gap_ptest_9GAP_Ptest_6apply_test(CYTH
  *       # 3. Tests
  */
     /*else*/ {
-      __pyx_t_18 = (__pyx_v_k - 1);
-      if (__pyx_t_18 < 0) __pyx_t_18 += __pyx_pybuffernd_vec_q_star.diminfo[0].shape;
-      __pyx_t_19 = __pyx_v_k;
+      __pyx_t_19 = (__pyx_v_k - 1);
       if (__pyx_t_19 < 0) __pyx_t_19 += __pyx_pybuffernd_vec_q_star.diminfo[0].shape;
-      *__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_q_star.rcbuffer->pybuffer.buf, __pyx_t_19, __pyx_pybuffernd_vec_q_star.diminfo[0].strides) = (*__Pyx_BufPtrStrided1d(__pyx_t_5numpy_int_t *, __pyx_pybuffernd_vec_q_star.rcbuffer->pybuffer.buf, __pyx_t_18, __pyx_pybuffernd_vec_q_star.diminfo[0].strides));
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+static PyObject *__pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_6__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self) {
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+static PyObject *__pyx_pf_3src_9screening_12gap_test_all_10GapTestAll_8__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state) {
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-static PyObject *__pyx_tp_new_3src_9screening_9gap_ptest_GAP_Ptest(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
+static PyObject *__pyx_tp_new_3src_9screening_12gap_test_all_GapTestAll(PyTypeObject *t, CYTHON_UNUSED PyObject *a, CYTHON_UNUSED PyObject *k) {
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-static void __pyx_tp_dealloc_3src_9screening_9gap_ptest_GAP_Ptest(PyObject *o) {
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-  {"__reduce_cython__", (PyCFunction)__pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_9__reduce_cython__, METH_NOARGS, 0},
-  {"__setstate_cython__", (PyCFunction)__pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_11__setstate_cython__, METH_O, 0},
+static PyMethodDef __pyx_methods_3src_9screening_12gap_test_all_GapTestAll[] = {
+  {"apply_test", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_5apply_test, METH_VARARGS|METH_KEYWORDS, __pyx_doc_3src_9screening_12gap_test_all_10GapTestAll_4apply_test},
+  {"__reduce_cython__", (PyCFunction)__pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_7__reduce_cython__, METH_NOARGS, 0},
+  {"__setstate_cython__", (PyCFunction)__pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_9__setstate_cython__, METH_O, 0},
   {0, 0, 0, 0}
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-static PyTypeObject __pyx_type_3src_9screening_9gap_ptest_GAP_Ptest = {
+static PyTypeObject __pyx_type_3src_9screening_12gap_test_all_GapTestAll = {
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-  sizeof(struct __pyx_obj_3src_9screening_9gap_ptest_GAP_Ptest), /*tp_basicsize*/
+  "src.screening.gap_test_all.GapTestAll", /*tp_name*/
+  sizeof(struct __pyx_obj_3src_9screening_12gap_test_all_GapTestAll), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3src_9screening_9gap_ptest_GAP_Ptest, /*tp_dealloc*/
+  __pyx_tp_dealloc_3src_9screening_12gap_test_all_GapTestAll, /*tp_dealloc*/
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-  __pyx_methods_3src_9screening_9gap_ptest_GAP_Ptest, /*tp_methods*/
+  __pyx_methods_3src_9screening_12gap_test_all_GapTestAll, /*tp_methods*/
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   0, /*tp_getset*/
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@@ -4435,9 +4455,9 @@ static PyTypeObject __pyx_type_3src_9screening_9gap_ptest_GAP_Ptest = {
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
   0, /*tp_dictoffset*/
-  __pyx_pw_3src_9screening_9gap_ptest_9GAP_Ptest_1__init__, /*tp_init*/
+  __pyx_pw_3src_9screening_12gap_test_all_10GapTestAll_1__init__, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3src_9screening_9gap_ptest_GAP_Ptest, /*tp_new*/
+  __pyx_tp_new_3src_9screening_12gap_test_all_GapTestAll, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -4465,17 +4485,17 @@ static PyMethodDef __pyx_methods[] = {
 #if PY_MAJOR_VERSION >= 3
 #if CYTHON_PEP489_MULTI_PHASE_INIT
 static PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def); /*proto*/
-static int __pyx_pymod_exec_gap_ptest(PyObject* module); /*proto*/
+static int __pyx_pymod_exec_gap_test_all(PyObject* module); /*proto*/
 static PyModuleDef_Slot __pyx_moduledef_slots[] = {
   {Py_mod_create, (void*)__pyx_pymod_create},
-  {Py_mod_exec, (void*)__pyx_pymod_exec_gap_ptest},
+  {Py_mod_exec, (void*)__pyx_pymod_exec_gap_test_all},
   {0, NULL}
 };
 #endif
 
 static struct PyModuleDef __pyx_moduledef = {
     PyModuleDef_HEAD_INIT,
-    "gap_ptest",
+    "gap_test_all",
     0, /* m_doc */
   #if CYTHON_PEP489_MULTI_PHASE_INIT
     0, /* m_size */
@@ -4506,12 +4526,14 @@ static struct PyModuleDef __pyx_moduledef = {
 static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s_AbstractGapScreening, __pyx_k_AbstractGapScreening, sizeof(__pyx_k_AbstractGapScreening), 0, 0, 1, 1},
   {&__pyx_n_s_Atcabs, __pyx_k_Atcabs, sizeof(__pyx_k_Atcabs), 0, 0, 1, 1},
-  {&__pyx_n_s_GAP_Ptest, __pyx_k_GAP_Ptest, sizeof(__pyx_k_GAP_Ptest), 0, 0, 1, 1},
+  {&__pyx_kp_s_GAP_test_all_cython, __pyx_k_GAP_test_all_cython, sizeof(__pyx_k_GAP_test_all_cython), 0, 0, 1, 0},
+  {&__pyx_n_s_GapTestAll, __pyx_k_GapTestAll, sizeof(__pyx_k_GapTestAll), 0, 0, 1, 1},
   {&__pyx_n_s_ImportError, __pyx_k_ImportError, sizeof(__pyx_k_ImportError), 0, 0, 1, 1},
   {&__pyx_n_s_TypeError, __pyx_k_TypeError, sizeof(__pyx_k_TypeError), 0, 0, 1, 1},
   {&__pyx_n_s_arange, __pyx_k_arange, sizeof(__pyx_k_arange), 0, 0, 1, 1},
   {&__pyx_n_s_argsort, __pyx_k_argsort, sizeof(__pyx_k_argsort), 0, 0, 1, 1},
   {&__pyx_n_s_cline_in_traceback, __pyx_k_cline_in_traceback, sizeof(__pyx_k_cline_in_traceback), 0, 0, 1, 1},
+  {&__pyx_n_s_coeff_dual_scaling, __pyx_k_coeff_dual_scaling, sizeof(__pyx_k_coeff_dual_scaling), 0, 0, 1, 1},
   {&__pyx_n_s_cumsum, __pyx_k_cumsum, sizeof(__pyx_k_cumsum), 0, 0, 1, 1},
   {&__pyx_n_s_dtype, __pyx_k_dtype, sizeof(__pyx_k_dtype), 0, 0, 1, 1},
   {&__pyx_n_s_gap, __pyx_k_gap, sizeof(__pyx_k_gap), 0, 0, 1, 1},
@@ -4521,12 +4543,12 @@ static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s_lbd, __pyx_k_lbd, sizeof(__pyx_k_lbd), 0, 0, 1, 1},
   {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
   {&__pyx_n_s_name, __pyx_k_name, sizeof(__pyx_k_name), 0, 0, 1, 1},
+  {&__pyx_n_s_name_2, __pyx_k_name_2, sizeof(__pyx_k_name_2), 0, 0, 1, 1},
   {&__pyx_n_s_np, __pyx_k_np, sizeof(__pyx_k_np), 0, 0, 1, 1},
   {&__pyx_n_s_numpy, __pyx_k_numpy, sizeof(__pyx_k_numpy), 0, 0, 1, 1},
   {&__pyx_kp_s_numpy_core_multiarray_failed_to, __pyx_k_numpy_core_multiarray_failed_to, sizeof(__pyx_k_numpy_core_multiarray_failed_to), 0, 0, 1, 0},
   {&__pyx_kp_s_numpy_core_umath_failed_to_impor, __pyx_k_numpy_core_umath_failed_to_impor, sizeof(__pyx_k_numpy_core_umath_failed_to_impor), 0, 0, 1, 0},
   {&__pyx_n_s_offset_radius, __pyx_k_offset_radius, sizeof(__pyx_k_offset_radius), 0, 0, 1, 1},
-  {&__pyx_kp_s_p_test_cython, __pyx_k_p_test_cython, sizeof(__pyx_k_p_test_cython), 0, 0, 1, 0},
   {&__pyx_n_s_range, __pyx_k_range, sizeof(__pyx_k_range), 0, 0, 1, 1},
   {&__pyx_n_s_reduce, __pyx_k_reduce, sizeof(__pyx_k_reduce), 0, 0, 1, 1},
   {&__pyx_n_s_reduce_cython, __pyx_k_reduce_cython, sizeof(__pyx_k_reduce_cython), 0, 0, 1, 1},
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   {0, 0, 0, 0, 0, 0, 0}
 };
 static CYTHON_SMALL_CODE int __Pyx_InitCachedBuiltins(void) {
-  __pyx_builtin_range = __Pyx_GetBuiltinName(__pyx_n_s_range); if (!__pyx_builtin_range) __PYX_ERR(0, 41, __pyx_L1_error)
+  __pyx_builtin_range = __Pyx_GetBuiltinName(__pyx_n_s_range); if (!__pyx_builtin_range) __PYX_ERR(0, 39, __pyx_L1_error)
   __pyx_builtin_TypeError = __Pyx_GetBuiltinName(__pyx_n_s_TypeError); if (!__pyx_builtin_TypeError) __PYX_ERR(1, 2, __pyx_L1_error)
   __pyx_builtin_ImportError = __Pyx_GetBuiltinName(__pyx_n_s_ImportError); if (!__pyx_builtin_ImportError) __PYX_ERR(2, 945, __pyx_L1_error)
   return 0;
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   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
 
-  /* "src/screening/gap_ptest.pyx":120
+  /* "src/screening/gap_test_all.pyx":124
  *       # 1. Sort in descending order
  *       if index is None:
  *          index = np.argsort(Atcabs)[::-1]             # <<<<<<<<<<<<<<
  * 
  *       # 2. Precomputing quantities
  */
-  __pyx_slice_ = PySlice_New(Py_None, Py_None, __pyx_int_neg_1); if (unlikely(!__pyx_slice_)) __PYX_ERR(0, 120, __pyx_L1_error)
+  __pyx_slice_ = PySlice_New(Py_None, Py_None, __pyx_int_neg_1); if (unlikely(!__pyx_slice_)) __PYX_ERR(0, 124, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_slice_);
   __Pyx_GIVEREF(__pyx_slice_);
 
@@ -4661,16 +4683,16 @@ static int __Pyx_modinit_type_init_code(void) {
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__Pyx_modinit_type_init_code", 0);
   /*--- Type init code ---*/
-  if (PyType_Ready(&__pyx_type_3src_9screening_9gap_ptest_GAP_Ptest) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
+  if (PyType_Ready(&__pyx_type_3src_9screening_12gap_test_all_GapTestAll) < 0) __PYX_ERR(0, 21, __pyx_L1_error)
   #if PY_VERSION_HEX < 0x030800B1
-  __pyx_type_3src_9screening_9gap_ptest_GAP_Ptest.tp_print = 0;
+  __pyx_type_3src_9screening_12gap_test_all_GapTestAll.tp_print = 0;
   #endif
-  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_3src_9screening_9gap_ptest_GAP_Ptest.tp_dictoffset && __pyx_type_3src_9screening_9gap_ptest_GAP_Ptest.tp_getattro == PyObject_GenericGetAttr)) {
-    __pyx_type_3src_9screening_9gap_ptest_GAP_Ptest.tp_getattro = __Pyx_PyObject_GenericGetAttr;
+  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_3src_9screening_12gap_test_all_GapTestAll.tp_dictoffset && __pyx_type_3src_9screening_12gap_test_all_GapTestAll.tp_getattro == PyObject_GenericGetAttr)) {
+    __pyx_type_3src_9screening_12gap_test_all_GapTestAll.tp_getattro = __Pyx_PyObject_GenericGetAttr;
   }
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s_GAP_Ptest, (PyObject *)&__pyx_type_3src_9screening_9gap_ptest_GAP_Ptest) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type_3src_9screening_9gap_ptest_GAP_Ptest) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
-  __pyx_ptype_3src_9screening_9gap_ptest_GAP_Ptest = &__pyx_type_3src_9screening_9gap_ptest_GAP_Ptest;
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s_GapTestAll, (PyObject *)&__pyx_type_3src_9screening_12gap_test_all_GapTestAll) < 0) __PYX_ERR(0, 21, __pyx_L1_error)
+  if (__Pyx_setup_reduce((PyObject*)&__pyx_type_3src_9screening_12gap_test_all_GapTestAll) < 0) __PYX_ERR(0, 21, __pyx_L1_error)
+  __pyx_ptype_3src_9screening_12gap_test_all_GapTestAll = &__pyx_type_3src_9screening_12gap_test_all_GapTestAll;
   __Pyx_RefNannyFinishContext();
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@@ -4773,11 +4795,11 @@ static int __Pyx_modinit_function_import_code(void) {
 
 
 #if PY_MAJOR_VERSION < 3
-__Pyx_PyMODINIT_FUNC initgap_ptest(void) CYTHON_SMALL_CODE; /*proto*/
-__Pyx_PyMODINIT_FUNC initgap_ptest(void)
+__Pyx_PyMODINIT_FUNC initgap_test_all(void) CYTHON_SMALL_CODE; /*proto*/
+__Pyx_PyMODINIT_FUNC initgap_test_all(void)
 #else
-__Pyx_PyMODINIT_FUNC PyInit_gap_ptest(void) CYTHON_SMALL_CODE; /*proto*/
-__Pyx_PyMODINIT_FUNC PyInit_gap_ptest(void)
+__Pyx_PyMODINIT_FUNC PyInit_gap_test_all(void) CYTHON_SMALL_CODE; /*proto*/
+__Pyx_PyMODINIT_FUNC PyInit_gap_test_all(void)
 #if CYTHON_PEP489_MULTI_PHASE_INIT
 {
   return PyModuleDef_Init(&__pyx_moduledef);
@@ -4844,7 +4866,7 @@ bad:
 }
 
 
-static CYTHON_SMALL_CODE int __pyx_pymod_exec_gap_ptest(PyObject *__pyx_pyinit_module)
+static CYTHON_SMALL_CODE int __pyx_pymod_exec_gap_test_all(PyObject *__pyx_pyinit_module)
 #endif
 #endif
 {
@@ -4857,7 +4879,7 @@ static CYTHON_SMALL_CODE int __pyx_pymod_exec_gap_ptest(PyObject *__pyx_pyinit_m
   #if CYTHON_PEP489_MULTI_PHASE_INIT
   if (__pyx_m) {
     if (__pyx_m == __pyx_pyinit_module) return 0;
-    PyErr_SetString(PyExc_RuntimeError, "Module 'gap_ptest' has already been imported. Re-initialisation is not supported.");
+    PyErr_SetString(PyExc_RuntimeError, "Module 'gap_test_all' has already been imported. Re-initialisation is not supported.");
     return -1;
   }
   #elif PY_MAJOR_VERSION >= 3
@@ -4872,7 +4894,7 @@ if (!__Pyx_RefNanny) {
       Py_FatalError("failed to import 'refnanny' module");
 }
 #endif
-  __Pyx_RefNannySetupContext("__Pyx_PyMODINIT_FUNC PyInit_gap_ptest(void)", 0);
+  __Pyx_RefNannySetupContext("__Pyx_PyMODINIT_FUNC PyInit_gap_test_all(void)", 0);
   if (__Pyx_check_binary_version() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #ifdef __Pxy_PyFrame_Initialize_Offsets
   __Pxy_PyFrame_Initialize_Offsets();
@@ -4909,7 +4931,7 @@ if (!__Pyx_RefNanny) {
   Py_INCREF(__pyx_m);
   #else
   #if PY_MAJOR_VERSION < 3
-  __pyx_m = Py_InitModule4("gap_ptest", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
+  __pyx_m = Py_InitModule4("gap_test_all", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
   #else
   __pyx_m = PyModule_Create(&__pyx_moduledef);
   #endif
@@ -4927,14 +4949,14 @@ if (!__Pyx_RefNanny) {
   #if PY_MAJOR_VERSION < 3 && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
   if (__Pyx_init_sys_getdefaultencoding_params() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  if (__pyx_module_is_main_src__screening__gap_ptest) {
-    if (PyObject_SetAttr(__pyx_m, __pyx_n_s_name, __pyx_n_s_main) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  if (__pyx_module_is_main_src__screening__gap_test_all) {
+    if (PyObject_SetAttr(__pyx_m, __pyx_n_s_name_2, __pyx_n_s_main) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   }
   #if PY_MAJOR_VERSION >= 3
   {
     PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) __PYX_ERR(0, 1, __pyx_L1_error)
-    if (!PyDict_GetItemString(modules, "src.screening.gap_ptest")) {
-      if (unlikely(PyDict_SetItemString(modules, "src.screening.gap_ptest", __pyx_m) < 0)) __PYX_ERR(0, 1, __pyx_L1_error)
+    if (!PyDict_GetItemString(modules, "src.screening.gap_test_all")) {
+      if (unlikely(PyDict_SetItemString(modules, "src.screening.gap_test_all", __pyx_m) < 0)) __PYX_ERR(0, 1, __pyx_L1_error)
     }
   }
   #endif
@@ -4955,7 +4977,7 @@ if (!__Pyx_RefNanny) {
   if (__Pyx_patch_abc() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
 
-  /* "src/screening/gap_ptest.pyx":4
+  /* "src/screening/gap_test_all.pyx":4
  * # Based on https://cython.readthedocs.io/en/latest/src/tutorial/numpy.html
  * # https://cython.readthedocs.io/en/latest/src/tutorial/memory_allocation.html
  * import numpy as np             # <<<<<<<<<<<<<<
@@ -4967,7 +4989,7 @@ if (!__Pyx_RefNanny) {
   if (PyDict_SetItem(__pyx_d, __pyx_n_s_np, __pyx_t_1) < 0) __PYX_ERR(0, 4, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "src/screening/gap_ptest.pyx":6
+  /* "src/screening/gap_test_all.pyx":6
  * import numpy as np
  * 
  * from src.screening.ascreening import AbstractGapScreening             # <<<<<<<<<<<<<<
@@ -4988,7 +5010,7 @@ if (!__Pyx_RefNanny) {
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "src/screening/gap_ptest.pyx":1
+  /* "src/screening/gap_test_all.pyx":1
  * # -*- coding: utf-8 -*-             # <<<<<<<<<<<<<<
  * # Based on https://cython.readthedocs.io/en/latest/src/tutorial/numpy.html
  * # https://cython.readthedocs.io/en/latest/src/tutorial/memory_allocation.html
@@ -5014,11 +5036,11 @@ if (!__Pyx_RefNanny) {
   __Pyx_XDECREF(__pyx_t_2);
   if (__pyx_m) {
     if (__pyx_d) {
-      __Pyx_AddTraceback("init src.screening.gap_ptest", __pyx_clineno, __pyx_lineno, __pyx_filename);
+      __Pyx_AddTraceback("init src.screening.gap_test_all", __pyx_clineno, __pyx_lineno, __pyx_filename);
     }
     Py_CLEAR(__pyx_m);
   } else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_ImportError, "init src.screening.gap_ptest");
+    PyErr_SetString(PyExc_ImportError, "init src.screening.gap_test_all");
   }
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
@@ -5800,6 +5822,20 @@ fail:;
   return -1;
 }
 
+/* PyObjectSetAttrStr */
+  #if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_setattro))
+        return tp->tp_setattro(obj, attr_name, value);
+#if PY_MAJOR_VERSION < 3
+    if (likely(tp->tp_setattr))
+        return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value);
+#endif
+    return PyObject_SetAttr(obj, attr_name, value);
+}
+#endif
+
 /* PyErrFetchRestore */
   #if CYTHON_FAST_THREAD_STATE
 static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
@@ -6790,7 +6826,7 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_GetAttrStrNoError(PyObject* obj, P
   static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
   int ret;
   PyObject *name_attr;
-  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name);
+  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name_2);
   if (likely(name_attr)) {
       ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
   } else {
diff --git a/src/screening/gap_ptest.pyx b/src/screening/gap_test_all.pyx
similarity index 83%
rename from src/screening/gap_ptest.pyx
rename to src/screening/gap_test_all.pyx
index e8380faa1027988d0394f6094ffdc9f4b4d4ff7b..4bd697c7d95a6381e1e662a89ab1d818c566277b 100644
--- a/src/screening/gap_ptest.pyx
+++ b/src/screening/gap_test_all.pyx
@@ -18,9 +18,7 @@ from cpython.mem cimport PyMem_Malloc, PyMem_Realloc, PyMem_Free
 ctypedef np.npy_bool bool_t
 
 
-#(AbstractGapScreening)
-
-cdef class GAP_Ptest:
+cdef class GapTestAll:
    """ Generalized test
    """
 
@@ -47,22 +45,21 @@ cdef class GAP_Ptest:
 
       # self.vec_cumsum_gammas = &buf[0]
 
+      self.name = "GAP test-all (cython)"
+
 
    def __dealloc__(self):
       PyMem_Free(self.vec_cumsum_gammas)  # no-op if self.data is NULL
 
 
-   def get_name(self):
-      return "p-test cython"
-
-
    @cython.boundscheck(False) # turn off bounds-checking for entire function
    # @cython.wraparound(False)  # turn off negative index wrapping for entire function
    def apply_test(self, 
       np.ndarray[np.npy_double, ndim=1] Atcabs, 
       double gap, 
       double lbd, 
-      np.ndarray[np.npy_double, ndim=1] vec_gammas, 
+      np.ndarray[np.npy_double, ndim=1] vec_gammas,
+      double coeff_dual_scaling =1.,
       double offset_radius=0., 
       np.ndarray[long, ndim=1] index=None
    ):
@@ -82,6 +79,11 @@ cdef class GAP_Ptest:
       vec_gammas : np.ndarray
          slope parameters
          size [n,]
+      coeff_dual_scaling : positif float
+         If coeff_dual_scaling is not feasible, dual scaling factor
+         such taht vecu / coeff_dual_scaling os dual feasible
+         Here for code optimization purposes
+         Default value is 1. (vecu is feasible)
       offset_radius : float
          additive term added to the redius
          default is 0
@@ -101,7 +103,9 @@ cdef class GAP_Ptest:
       # all indexes below range from 1 to n (instead of 0 to n-1)
       # in order to match the paper indexation rules
 
-      cdef double radius = np.sqrt(2 * gap) + offset_radius
+      cdef double radius  = coeff_dual_scaling * np.sqrt(2 * gap) + offset_radius
+      # cdef double lbd_aug = coeff_dual_scaling * lbd
+      cdef np.ndarray[np.npy_double, ndim=1] coeff_lbd_gamma = coeff_dual_scaling * lbd * vec_gammas
 
       cdef int n = Atcabs.shape[0]
       cdef int k, q, r
@@ -121,10 +125,10 @@ cdef class GAP_Ptest:
 
       # 2. Precomputing quantities
       cdef np.ndarray[np.npy_double, ndim=1] vec_f = np.cumsum(
-         lbd * vec_gammas[::-1] - Atcabs[index[::-1]] - radius
+         coeff_lbd_gamma[::-1] - Atcabs[index[::-1]] - radius
       )[::-1]
 
-      cdef double best_bound_q = vec_f[0] - lbd * vec_gammas[0]
+      cdef double best_bound_q = vec_f[0] - coeff_lbd_gamma[0]
       cdef double curr_bound_q = 0.
       cdef double best_bound_p = vec_f[0]
       cdef double curr_bound_p = 0.
@@ -140,7 +144,7 @@ cdef class GAP_Ptest:
             vec_p_star[k] = vec_p_star[k-1]
 
          # 1. Evaluate q*
-         curr_bound_q = vec_f[k-1] - lbd * vec_gammas[k-1]
+         curr_bound_q = vec_f[k-1] - coeff_lbd_gamma[k-1]
          if curr_bound_q > best_bound_q:
             best_bound_q = curr_bound_q
             vec_q_star[k] = k
@@ -155,7 +159,7 @@ cdef class GAP_Ptest:
             p = vec_p_star[q]
 
             # Evaluation of the threshold
-            tau = vec_f[p-1] - vec_f[q-1] + (lbd * vec_gammas[q-1] - radius)
+            tau = vec_f[p-1] - vec_f[q-1] + (coeff_lbd_gamma[q-1] - radius)
 
             # Test
             if Atcabs[index[l-1]] >= tau:
diff --git a/src/screening/kappa_test.c b/src/screening/gap_test_p_1.c
similarity index 90%
rename from src/screening/kappa_test.c
rename to src/screening/gap_test_p_1.c
index 91c56fd81fc7564538165ca2cd96b8ea3a4c3881..ade654c8ab195b25ba9c2e7816c72fbd84394692 100644
--- a/src/screening/kappa_test.c
+++ b/src/screening/gap_test_p_1.c
@@ -4,12 +4,12 @@
 {
     "distutils": {
         "depends": [],
-        "name": "src.screening.kappa_test",
+        "name": "src.screening.gap_test_p_1",
         "sources": [
-            "src/screening/kappa_test.pyx"
+            "src/screening/gap_test_p_1.pyx"
         ]
     },
-    "module_name": "src.screening.kappa_test"
+    "module_name": "src.screening.gap_test_p_1"
 }
 END: Cython Metadata */
 
@@ -625,8 +625,8 @@ static CYTHON_INLINE float __PYX_NAN() {
   #endif
 #endif
 
-#define __PYX_HAVE__src__screening__kappa_test
-#define __PYX_HAVE_API__src__screening__kappa_test
+#define __PYX_HAVE__src__screening__gap_test_p_1
+#define __PYX_HAVE_API__src__screening__gap_test_p_1
 /* Early includes */
 #include <string.h>
 #include <stdio.h>
@@ -868,7 +868,7 @@ static const char *__pyx_filename;
 
 
 static const char *__pyx_f[] = {
-  "src/screening/kappa_test.pyx",
+  "src/screening/gap_test_p_1.pyx",
   "stringsource",
   "venv/lib/python3.8/site-packages/numpy/__init__.pxd",
   "venv/lib/python3.8/site-packages/Cython/Includes/cpython/type.pxd",
@@ -1099,14 +1099,14 @@ typedef npy_double __pyx_t_5numpy_double_t;
  */
 typedef npy_longdouble __pyx_t_5numpy_longdouble_t;
 
-/* "src/screening/kappa_test.pyx":16
+/* "src/screening/gap_test_p_1.pyx":16
  * cimport cython
  * 
  * ctypedef np.npy_bool bool_t             # <<<<<<<<<<<<<<
  * 
  * from cpython.mem cimport PyMem_Malloc, PyMem_Realloc, PyMem_Free
  */
-typedef npy_bool __pyx_t_3src_9screening_10kappa_test_bool_t;
+typedef npy_bool __pyx_t_3src_9screening_12gap_test_p_1_bool_t;
 /* Declarations.proto */
 #if CYTHON_CCOMPLEX
   #ifdef __cplusplus
@@ -1133,7 +1133,7 @@ static CYTHON_INLINE __pyx_t_double_complex __pyx_t_double_complex_from_parts(do
 
 
 /*--- Type declarations ---*/
-struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test;
+struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne;
 
 /* "venv/lib/python3.8/site-packages/numpy/__init__.pxd":729
  * ctypedef npy_longdouble longdouble_t
@@ -1171,14 +1171,14 @@ typedef npy_clongdouble __pyx_t_5numpy_clongdouble_t;
  */
 typedef npy_cdouble __pyx_t_5numpy_complex_t;
 
-/* "src/screening/kappa_test.pyx":23
+/* "src/screening/gap_test_p_1.pyx":23
  * #(AbstractGapScreening)
  * 
- * cdef class Kappa_test:             # <<<<<<<<<<<<<<
+ * cdef class GapTestPequalOne:             # <<<<<<<<<<<<<<
  *    """ Generalized test
  *    """
  */
-struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test {
+struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne {
   PyObject_HEAD
   double *vec_cumsum_gammas;
   double *vec_kappa_q;
@@ -1394,6 +1394,15 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject
 /* PyObjectCallOneArg.proto */
 static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg);
 
+/* PyObjectSetAttrStr.proto */
+#if CYTHON_USE_TYPE_SLOTS
+#define __Pyx_PyObject_DelAttrStr(o,n) __Pyx_PyObject_SetAttrStr(o, n, NULL)
+static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value);
+#else
+#define __Pyx_PyObject_DelAttrStr(o,n)   PyObject_DelAttr(o,n)
+#define __Pyx_PyObject_SetAttrStr(o,n,v) PyObject_SetAttr(o,n,v)
+#endif
+
 /* PyThreadStateGet.proto */
 #if CYTHON_FAST_THREAD_STATE
 #define __Pyx_PyThreadState_declare  PyThreadState *__pyx_tstate;
@@ -1761,16 +1770,16 @@ static PyTypeObject *__pyx_ptype_5numpy_ufunc = 0;
 
 /* Module declarations from 'cython' */
 
-/* Module declarations from 'src.screening.kappa_test' */
-static PyTypeObject *__pyx_ptype_3src_9screening_10kappa_test_Kappa_test = 0;
+/* Module declarations from 'src.screening.gap_test_p_1' */
+static PyTypeObject *__pyx_ptype_3src_9screening_12gap_test_p_1_GapTestPequalOne = 0;
 static __Pyx_TypeInfo __Pyx_TypeInfo_nn_npy_double = { "npy_double", NULL, sizeof(npy_double), { 0 }, 0, 'R', 0, 0 };
 static __Pyx_TypeInfo __Pyx_TypeInfo_long = { "long", NULL, sizeof(long), { 0 }, 0, IS_UNSIGNED(long) ? 'U' : 'I', IS_UNSIGNED(long), 0 };
 static __Pyx_TypeInfo __Pyx_TypeInfo_nn_npy_bool = { "npy_bool", NULL, sizeof(npy_bool), { 0 }, 0, IS_UNSIGNED(npy_bool) ? 'U' : 'I', IS_UNSIGNED(npy_bool), 0 };
-#define __Pyx_MODULE_NAME "src.screening.kappa_test"
-extern int __pyx_module_is_main_src__screening__kappa_test;
-int __pyx_module_is_main_src__screening__kappa_test = 0;
+#define __Pyx_MODULE_NAME "src.screening.gap_test_p_1"
+extern int __pyx_module_is_main_src__screening__gap_test_p_1;
+int __pyx_module_is_main_src__screening__gap_test_p_1 = 0;
 
-/* Implementation of 'src.screening.kappa_test' */
+/* Implementation of 'src.screening.gap_test_p_1' */
 static PyObject *__pyx_builtin_range;
 static PyObject *__pyx_builtin_TypeError;
 static PyObject *__pyx_builtin_ImportError;
@@ -1778,7 +1787,7 @@ static const char __pyx_k_np[] = "np";
 static const char __pyx_k_gap[] = "gap";
 static const char __pyx_k_lbd[] = "lbd";
 static const char __pyx_k_main[] = "__main__";
-static const char __pyx_k_name[] = "__name__";
+static const char __pyx_k_name[] = "name";
 static const char __pyx_k_sqrt[] = "sqrt";
 static const char __pyx_k_test[] = "__test__";
 static const char __pyx_k_dtype[] = "dtype";
@@ -1790,20 +1799,22 @@ static const char __pyx_k_Atcabs[] = "Atcabs";
 static const char __pyx_k_argmax[] = "argmax";
 static const char __pyx_k_cumsum[] = "cumsum";
 static const char __pyx_k_import[] = "__import__";
+static const char __pyx_k_name_2[] = "__name__";
 static const char __pyx_k_reduce[] = "__reduce__";
 static const char __pyx_k_argsort[] = "argsort";
 static const char __pyx_k_getstate[] = "__getstate__";
 static const char __pyx_k_setstate[] = "__setstate__";
 static const char __pyx_k_TypeError[] = "TypeError";
 static const char __pyx_k_reduce_ex[] = "__reduce_ex__";
-static const char __pyx_k_Kappa_test[] = "Kappa_test";
 static const char __pyx_k_vec_gammas[] = "vec_gammas";
 static const char __pyx_k_ImportError[] = "ImportError";
 static const char __pyx_k_offset_radius[] = "offset_radius";
 static const char __pyx_k_reduce_cython[] = "__reduce_cython__";
 static const char __pyx_k_setstate_cython[] = "__setstate_cython__";
-static const char __pyx_k_kappa_test_cython[] = "kappa-test cython";
+static const char __pyx_k_GapTestPequalOne[] = "GapTestPequalOne";
 static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback";
+static const char __pyx_k_coeff_dual_scaling[] = "coeff_dual_scaling";
+static const char __pyx_k_Gap_test_p_1_cython[] = "Gap test p=1 (cython)";
 static const char __pyx_k_AbstractGapScreening[] = "AbstractGapScreening";
 static const char __pyx_k_vec_coherence_function[] = "vec_coherence_function";
 static const char __pyx_k_src_screening_ascreening[] = "src.screening.ascreening";
@@ -1812,22 +1823,24 @@ static const char __pyx_k_self_vec_cumsum_gammas_self_vec[] = "self.vec_cumsum_g
 static const char __pyx_k_numpy_core_umath_failed_to_impor[] = "numpy.core.umath failed to import";
 static PyObject *__pyx_n_s_AbstractGapScreening;
 static PyObject *__pyx_n_s_Atcabs;
+static PyObject *__pyx_n_s_GapTestPequalOne;
+static PyObject *__pyx_kp_s_Gap_test_p_1_cython;
 static PyObject *__pyx_n_s_ImportError;
-static PyObject *__pyx_n_s_Kappa_test;
 static PyObject *__pyx_n_s_TypeError;
 static PyObject *__pyx_n_s_argmax;
 static PyObject *__pyx_n_s_argsort;
 static PyObject *__pyx_n_s_cline_in_traceback;
+static PyObject *__pyx_n_s_coeff_dual_scaling;
 static PyObject *__pyx_n_s_cumsum;
 static PyObject *__pyx_n_s_dtype;
 static PyObject *__pyx_n_s_gap;
 static PyObject *__pyx_n_s_getstate;
 static PyObject *__pyx_n_s_import;
 static PyObject *__pyx_n_s_index;
-static PyObject *__pyx_kp_s_kappa_test_cython;
 static PyObject *__pyx_n_s_lbd;
 static PyObject *__pyx_n_s_main;
 static PyObject *__pyx_n_s_name;
+static PyObject *__pyx_n_s_name_2;
 static PyObject *__pyx_n_s_np;
 static PyObject *__pyx_n_s_numpy;
 static PyObject *__pyx_kp_s_numpy_core_multiarray_failed_to;
@@ -1846,13 +1859,12 @@ static PyObject *__pyx_n_s_test;
 static PyObject *__pyx_n_s_vec_coherence_function;
 static PyObject *__pyx_n_s_vec_gammas;
 static PyObject *__pyx_n_s_zeros;
-static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test *__pyx_v_self, PyArrayObject *__pyx_v_vec_gammas, PyArrayObject *__pyx_v_vec_coherence_function); /* proto */
-static void __pyx_pf_3src_9screening_10kappa_test_10Kappa_test_2__dealloc__(struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_3src_9screening_10kappa_test_10Kappa_test_4get_name(CYTHON_UNUSED struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_3src_9screening_10kappa_test_10Kappa_test_6apply_test(struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test *__pyx_v_self, PyArrayObject *__pyx_v_Atcabs, double __pyx_v_gap, double __pyx_v_lbd, CYTHON_UNUSED PyArrayObject *__pyx_v_vec_gammas, double __pyx_v_offset_radius, PyArrayObject *__pyx_v_index); /* proto */
-static PyObject *__pyx_pf_3src_9screening_10kappa_test_10Kappa_test_8__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test *__pyx_v_self); /* proto */
-static PyObject *__pyx_pf_3src_9screening_10kappa_test_10Kappa_test_10__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
-static PyObject *__pyx_tp_new_3src_9screening_10kappa_test_Kappa_test(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
+static int __pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne___init__(struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *__pyx_v_self, PyArrayObject *__pyx_v_vec_gammas, PyArrayObject *__pyx_v_vec_coherence_function); /* proto */
+static void __pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne_2__dealloc__(struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne_4apply_test(struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *__pyx_v_self, PyArrayObject *__pyx_v_Atcabs, double __pyx_v_gap, double __pyx_v_lbd, CYTHON_UNUSED PyArrayObject *__pyx_v_vec_gammas, double __pyx_v_coeff_dual_scaling, double __pyx_v_offset_radius, PyArrayObject *__pyx_v_index); /* proto */
+static PyObject *__pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne_6__reduce_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *__pyx_v_self); /* proto */
+static PyObject *__pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne_8__setstate_cython__(CYTHON_UNUSED struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *__pyx_v_self, CYTHON_UNUSED PyObject *__pyx_v___pyx_state); /* proto */
+static PyObject *__pyx_tp_new_3src_9screening_12gap_test_p_1_GapTestPequalOne(PyTypeObject *t, PyObject *a, PyObject *k); /*proto*/
 static PyObject *__pyx_int_1;
 static PyObject *__pyx_int_neg_1;
 static PyObject *__pyx_slice_;
@@ -1863,7 +1875,7 @@ static PyObject *__pyx_tuple__5;
 static PyObject *__pyx_tuple__6;
 /* Late includes */
 
-/* "src/screening/kappa_test.pyx":38
+/* "src/screening/gap_test_p_1.pyx":38
  *    @cython.boundscheck(False) # turn off bounds-checking for entire function
  *    @cython.wraparound(False)  # turn off negative index wrapping for entire function
  *    def __init__(             # <<<<<<<<<<<<<<
@@ -1872,8 +1884,8 @@ static PyObject *__pyx_tuple__6;
  */
 
 /* Python wrapper */
-static int __pyx_pw_3src_9screening_10kappa_test_10Kappa_test_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
-static int __pyx_pw_3src_9screening_10kappa_test_10Kappa_test_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static int __pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static int __pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_1__init__(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
   PyArrayObject *__pyx_v_vec_gammas = 0;
   PyArrayObject *__pyx_v_vec_coherence_function = 0;
   int __pyx_lineno = 0;
@@ -1924,13 +1936,13 @@ static int __pyx_pw_3src_9screening_10kappa_test_10Kappa_test_1__init__(PyObject
   __pyx_L5_argtuple_error:;
   __Pyx_RaiseArgtupleInvalid("__init__", 1, 2, 2, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 38, __pyx_L3_error)
   __pyx_L3_error:;
-  __Pyx_AddTraceback("src.screening.kappa_test.Kappa_test.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("src.screening.gap_test_p_1.GapTestPequalOne.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
   __Pyx_RefNannyFinishContext();
   return -1;
   __pyx_L4_argument_unpacking_done:;
   if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_vec_gammas), __pyx_ptype_5numpy_ndarray, 1, "vec_gammas", 0))) __PYX_ERR(0, 40, __pyx_L1_error)
   if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_vec_coherence_function), __pyx_ptype_5numpy_ndarray, 1, "vec_coherence_function", 0))) __PYX_ERR(0, 41, __pyx_L1_error)
-  __pyx_r = __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(((struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test *)__pyx_v_self), __pyx_v_vec_gammas, __pyx_v_vec_coherence_function);
+  __pyx_r = __pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne___init__(((struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *)__pyx_v_self), __pyx_v_vec_gammas, __pyx_v_vec_coherence_function);
 
   /* function exit code */
   goto __pyx_L0;
@@ -1941,7 +1953,7 @@ static int __pyx_pw_3src_9screening_10kappa_test_10Kappa_test_1__init__(PyObject
   return __pyx_r;
 }
 
-static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test *__pyx_v_self, PyArrayObject *__pyx_v_vec_gammas, PyArrayObject *__pyx_v_vec_coherence_function) {
+static int __pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne___init__(struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *__pyx_v_self, PyArrayObject *__pyx_v_vec_gammas, PyArrayObject *__pyx_v_vec_coherence_function) {
   int __pyx_v_n;
   int __pyx_v_i;
   __Pyx_LocalBuf_ND __pyx_pybuffernd_vec_coherence_function;
@@ -1982,7 +1994,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
   }
   __pyx_pybuffernd_vec_coherence_function.diminfo[0].strides = __pyx_pybuffernd_vec_coherence_function.rcbuffer->pybuffer.strides[0]; __pyx_pybuffernd_vec_coherence_function.diminfo[0].shape = __pyx_pybuffernd_vec_coherence_function.rcbuffer->pybuffer.shape[0];
 
-  /* "src/screening/kappa_test.pyx":44
+  /* "src/screening/gap_test_p_1.pyx":44
  *       ):
  * 
  *       cdef int n = vec_gammas.shape[0]             # <<<<<<<<<<<<<<
@@ -1991,7 +2003,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
  */
   __pyx_v_n = (__pyx_v_vec_gammas->dimensions[0]);
 
-  /* "src/screening/kappa_test.pyx":56
+  /* "src/screening/gap_test_p_1.pyx":56
  *       # self.vec_kappa_q = &buf2[0]
  * 
  *       self.vec_cumsum_gammas = <double*> PyMem_Malloc(n * sizeof(double))             # <<<<<<<<<<<<<<
@@ -2000,7 +2012,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
  */
   __pyx_v_self->vec_cumsum_gammas = ((double *)PyMem_Malloc((__pyx_v_n * (sizeof(double)))));
 
-  /* "src/screening/kappa_test.pyx":57
+  /* "src/screening/gap_test_p_1.pyx":57
  * 
  *       self.vec_cumsum_gammas = <double*> PyMem_Malloc(n * sizeof(double))
  *       self.vec_cumsum_gammas[0] = vec_gammas[0]             # <<<<<<<<<<<<<<
@@ -2010,7 +2022,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
   __pyx_t_1 = 0;
   (__pyx_v_self->vec_cumsum_gammas[0]) = (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer.buf, __pyx_t_1, __pyx_pybuffernd_vec_gammas.diminfo[0].strides));
 
-  /* "src/screening/kappa_test.pyx":59
+  /* "src/screening/gap_test_p_1.pyx":59
  *       self.vec_cumsum_gammas[0] = vec_gammas[0]
  * 
  *       self.vec_kappa_q = <double*> PyMem_Malloc(n * sizeof(double))             # <<<<<<<<<<<<<<
@@ -2019,7 +2031,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
  */
   __pyx_v_self->vec_kappa_q = ((double *)PyMem_Malloc((__pyx_v_n * (sizeof(double)))));
 
-  /* "src/screening/kappa_test.pyx":61
+  /* "src/screening/gap_test_p_1.pyx":61
  *       self.vec_kappa_q = <double*> PyMem_Malloc(n * sizeof(double))
  * 
  *       cdef int i = 0             # <<<<<<<<<<<<<<
@@ -2028,7 +2040,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
  */
   __pyx_v_i = 0;
 
-  /* "src/screening/kappa_test.pyx":62
+  /* "src/screening/gap_test_p_1.pyx":62
  * 
  *       cdef int i = 0
  *       for i in range(1, n):             # <<<<<<<<<<<<<<
@@ -2040,7 +2052,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
   for (__pyx_t_4 = 1; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
     __pyx_v_i = __pyx_t_4;
 
-    /* "src/screening/kappa_test.pyx":63
+    /* "src/screening/gap_test_p_1.pyx":63
  *       cdef int i = 0
  *       for i in range(1, n):
  *          self.vec_cumsum_gammas[i] = self.vec_cumsum_gammas[i-1] + vec_gammas[i]             # <<<<<<<<<<<<<<
@@ -2051,7 +2063,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
     (__pyx_v_self->vec_cumsum_gammas[__pyx_v_i]) = ((__pyx_v_self->vec_cumsum_gammas[(__pyx_v_i - 1)]) + (*__Pyx_BufPtrStrided1d(npy_double *, __pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer.buf, __pyx_t_1, __pyx_pybuffernd_vec_gammas.diminfo[0].strides)));
   }
 
-  /* "src/screening/kappa_test.pyx":65
+  /* "src/screening/gap_test_p_1.pyx":65
  *          self.vec_cumsum_gammas[i] = self.vec_cumsum_gammas[i-1] + vec_gammas[i]
  * 
  *       for i in range(n):             # <<<<<<<<<<<<<<
@@ -2063,7 +2075,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
   for (__pyx_t_4 = 0; __pyx_t_4 < __pyx_t_3; __pyx_t_4+=1) {
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-    /* "src/screening/kappa_test.pyx":66
+    /* "src/screening/gap_test_p_1.pyx":66
  * 
  *       for i in range(n):
  *          self.vec_kappa_q[i] = np.sqrt(             # <<<<<<<<<<<<<<
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     __Pyx_DECREF(__pyx_t_6); __pyx_t_6 = 0;
 
-    /* "src/screening/kappa_test.pyx":67
+    /* "src/screening/gap_test_p_1.pyx":67
  *       for i in range(n):
  *          self.vec_kappa_q[i] = np.sqrt(
  *          (1. + vec_coherence_function[i]) * (i + 1.)             # <<<<<<<<<<<<<<
@@ -2103,7 +2115,7 @@ static int __pyx_pf_3src_9screening_10kappa_test_10Kappa_test___init__(struct __
     __Pyx_GOTREF(__pyx_t_5);
     __Pyx_DECREF(__pyx_t_7); __pyx_t_7 = 0;
 
-    /* "src/screening/kappa_test.pyx":66
+    /* "src/screening/gap_test_p_1.pyx":66
  * 
  *       for i in range(n):
  *          self.vec_kappa_q[i] = np.sqrt(             # <<<<<<<<<<<<<<
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     (__pyx_v_self->vec_kappa_q[__pyx_v_i]) = __pyx_t_9;
   }
 
-  /* "src/screening/kappa_test.pyx":38
+  /* "src/screening/gap_test_p_1.pyx":75
+ *       # ).copy()
+ * 
+ *       self.name = "Gap test p=1 (cython)"             # <<<<<<<<<<<<<<
+ * 
+ * 
+ */
+  if (__Pyx_PyObject_SetAttrStr(((PyObject *)__pyx_v_self), __pyx_n_s_name, __pyx_kp_s_Gap_test_p_1_cython) < 0) __PYX_ERR(0, 75, __pyx_L1_error)
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  *    @cython.wraparound(False)  # turn off negative index wrapping for entire function
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     __Pyx_SafeReleaseBuffer(&__pyx_pybuffernd_vec_gammas.rcbuffer->pybuffer);
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-  __Pyx_AddTraceback("src.screening.kappa_test.Kappa_test.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("src.screening.gap_test_p_1.GapTestPequalOne.__init__", __pyx_clineno, __pyx_lineno, __pyx_filename);
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 }
 
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 /* Python wrapper */
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-static void __pyx_pw_3src_9screening_10kappa_test_10Kappa_test_3__dealloc__(PyObject *__pyx_v_self) {
+static void __pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_3__dealloc__(PyObject *__pyx_v_self); /*proto*/
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+  __pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne_2__dealloc__(((struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *)__pyx_v_self));
 
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+static void __pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne_2__dealloc__(struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *__pyx_v_self) {
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  */
   PyMem_Free(__pyx_v_self->vec_cumsum_gammas);
 
-  /* "src/screening/kappa_test.pyx":78
+  /* "src/screening/gap_test_p_1.pyx":80
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  *       PyMem_Free(self.vec_kappa_q)  # no-op if self.data is NULL             # <<<<<<<<<<<<<<
  * 
- *    def get_name(self):
+ * 
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   PyMem_Free(__pyx_v_self->vec_kappa_q);
 
-  /* "src/screening/kappa_test.pyx":76
+  /* "src/screening/gap_test_p_1.pyx":78
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  * 
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-static PyObject *__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_5get_name(PyObject *__pyx_v_self, CYTHON_UNUSED PyObject *unused) {
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-  /* function exit code */
-  __Pyx_RefNannyFinishContext();
-  return __pyx_r;
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-  __Pyx_RefNannySetupContext("get_name", 0);
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- * 
- * 
- */
-  __Pyx_XDECREF(__pyx_r);
-  __Pyx_INCREF(__pyx_kp_s_kappa_test_cython);
-  __pyx_r = __pyx_kp_s_kappa_test_cython;
-  goto __pyx_L0;
-
-  /* "src/screening/kappa_test.pyx":80
- *       PyMem_Free(self.vec_kappa_q)  # no-op if self.data is NULL
- * 
- *    def get_name(self):             # <<<<<<<<<<<<<<
- *       return "kappa-test cython"
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-
-  /* function exit code */
-  __pyx_L0:;
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-  __Pyx_RefNannyFinishContext();
-  return __pyx_r;
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  *    @cython.wraparound(False)  # turn off negative index wrapping for entire function
  *    def apply_test(self,             # <<<<<<<<<<<<<<
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 /* Python wrapper */
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-static PyObject *__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_7apply_test(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
+static PyObject *__pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_5apply_test(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds); /*proto*/
+static char __pyx_doc_3src_9screening_12gap_test_p_1_16GapTestPequalOne_4apply_test[] = " Apply the Gap safe sphere screening test\n\n      Implementation of the safe screening test\n      \n      Parameters\n      ----------\n      Atcabs : np.ndarray\n         vector matA.T @ vecc where vec is dual admissible in absolute value\n         size [n]\n      gap : positive float\n         duality gap\n      lbd : positive float\n         regularization parameters\n      vec_gammas : np.ndarray\n         slope parameters\n         size [n,]\n      vec_gammas : np.ndarray\n         slope parameters\n         size [n,]\n      coeff_dual_scaling : positif float\n         If coeff_dual_scaling is not feasible, dual scaling factor\n         such taht vecu / coeff_dual_scaling os dual feasible\n         Here for code optimization purposes\n         Default value is 1. (vecu is feasible)\n      offset_radius : float\n         additive term added to the redius\n         default is 0\n      index : np.ndarray\n         Array of indices that sort Atu in absolute value\n         default is None\n      \n      Returns\n      -------\n      calI_screen : np.ndarray\n         vector of boolean\n         True if screening test passes and False otherwise\n         size [n,]\n      ";
+static PyObject *__pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_5apply_test(PyObject *__pyx_v_self, PyObject *__pyx_args, PyObject *__pyx_kwds) {
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   double __pyx_v_gap;
   double __pyx_v_lbd;
   CYTHON_UNUSED PyArrayObject *__pyx_v_vec_gammas = 0;
+  double __pyx_v_coeff_dual_scaling;
   double __pyx_v_offset_radius;
   PyArrayObject *__pyx_v_index = 0;
   int __pyx_lineno = 0;
@@ -2280,21 +2249,23 @@ static PyObject *__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_7apply_test(
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-    PyObject* values[6] = {0,0,0,0,0,0};
+    static PyObject **__pyx_pyargnames[] = {&__pyx_n_s_Atcabs,&__pyx_n_s_gap,&__pyx_n_s_lbd,&__pyx_n_s_vec_gammas,&__pyx_n_s_coeff_dual_scaling,&__pyx_n_s_offset_radius,&__pyx_n_s_index,0};
+    PyObject* values[7] = {0,0,0,0,0,0,0};
 
-    /* "src/screening/kappa_test.pyx":92
- *       np.ndarray[np.npy_double, ndim=1] vec_gammas,
+    /* "src/screening/gap_test_p_1.pyx":92
+ *       double coeff_dual_scaling = 1.,
  *       double offset_radius=0.,
  *       np.ndarray[long, ndim=1] index=None             # <<<<<<<<<<<<<<
  *       ):
  *       """ Apply the Gap safe sphere screening test
  */
-    values[5] = (PyObject *)((PyArrayObject *)Py_None);
+    values[6] = (PyObject *)((PyArrayObject *)Py_None);
     if (unlikely(__pyx_kwds)) {
       Py_ssize_t kw_args;
       const Py_ssize_t pos_args = PyTuple_GET_SIZE(__pyx_args);
       switch (pos_args) {
+        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
+        CYTHON_FALLTHROUGH;
         case  6: values[5] = PyTuple_GET_ITEM(__pyx_args, 5);
         CYTHON_FALLTHROUGH;
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@@ -2319,38 +2290,46 @@ static PyObject *__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_7apply_test(
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         if (likely((values[1] = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_gap)) != 0)) kw_args--;
         else {
-          __Pyx_RaiseArgtupleInvalid("apply_test", 0, 4, 6, 1); __PYX_ERR(0, 86, __pyx_L3_error)
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         CYTHON_FALLTHROUGH;
         case  2:
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         else {
-          __Pyx_RaiseArgtupleInvalid("apply_test", 0, 4, 6, 2); __PYX_ERR(0, 86, __pyx_L3_error)
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         CYTHON_FALLTHROUGH;
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+          __Pyx_RaiseArgtupleInvalid("apply_test", 0, 4, 7, 3); __PYX_ERR(0, 85, __pyx_L3_error)
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         case  4:
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-          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_offset_radius);
+          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_coeff_dual_scaling);
           if (value) { values[4] = value; kw_args--; }
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         CYTHON_FALLTHROUGH;
         case  5:
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-          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_index);
+          PyObject* value = __Pyx_PyDict_GetItemStr(__pyx_kwds, __pyx_n_s_offset_radius);
           if (value) { values[5] = value; kw_args--; }
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     } else {
       switch (PyTuple_GET_SIZE(__pyx_args)) {
+        case  7: values[6] = PyTuple_GET_ITEM(__pyx_args, 6);
+        CYTHON_FALLTHROUGH;
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         CYTHON_FALLTHROUGH;
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@@ -2364,30 +2343,35 @@ static PyObject *__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_7apply_test(
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-    __pyx_v_gap = __pyx_PyFloat_AsDouble(values[1]); if (unlikely((__pyx_v_gap == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 88, __pyx_L3_error)
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+    __pyx_v_gap = __pyx_PyFloat_AsDouble(values[1]); if (unlikely((__pyx_v_gap == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 87, __pyx_L3_error)
+    __pyx_v_lbd = __pyx_PyFloat_AsDouble(values[2]); if (unlikely((__pyx_v_lbd == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 88, __pyx_L3_error)
     __pyx_v_vec_gammas = ((PyArrayObject *)values[3]);
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+      __pyx_v_coeff_dual_scaling = __pyx_PyFloat_AsDouble(values[4]); if (unlikely((__pyx_v_coeff_dual_scaling == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 90, __pyx_L3_error)
+    } else {
+      __pyx_v_coeff_dual_scaling = ((double)1.);
+    }
+    if (values[5]) {
+      __pyx_v_offset_radius = __pyx_PyFloat_AsDouble(values[5]); if (unlikely((__pyx_v_offset_radius == (double)-1) && PyErr_Occurred())) __PYX_ERR(0, 91, __pyx_L3_error)
     } else {
       __pyx_v_offset_radius = ((double)0.);
     }
-    __pyx_v_index = ((PyArrayObject *)values[5]);
+    __pyx_v_index = ((PyArrayObject *)values[6]);
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   goto __pyx_L4_argument_unpacking_done;
   __pyx_L5_argtuple_error:;
-  __Pyx_RaiseArgtupleInvalid("apply_test", 0, 4, 6, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 86, __pyx_L3_error)
+  __Pyx_RaiseArgtupleInvalid("apply_test", 0, 4, 7, PyTuple_GET_SIZE(__pyx_args)); __PYX_ERR(0, 85, __pyx_L3_error)
   __pyx_L3_error:;
-  __Pyx_AddTraceback("src.screening.kappa_test.Kappa_test.apply_test", __pyx_clineno, __pyx_lineno, __pyx_filename);
+  __Pyx_AddTraceback("src.screening.gap_test_p_1.GapTestPequalOne.apply_test", __pyx_clineno, __pyx_lineno, __pyx_filename);
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+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_Atcabs), __pyx_ptype_5numpy_ndarray, 1, "Atcabs", 0))) __PYX_ERR(0, 86, __pyx_L1_error)
+  if (unlikely(!__Pyx_ArgTypeTest(((PyObject *)__pyx_v_vec_gammas), __pyx_ptype_5numpy_ndarray, 1, "vec_gammas", 0))) __PYX_ERR(0, 89, __pyx_L1_error)
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+  __pyx_r = __pyx_pf_3src_9screening_12gap_test_p_1_16GapTestPequalOne_4apply_test(((struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne *)__pyx_v_self), __pyx_v_Atcabs, __pyx_v_gap, __pyx_v_lbd, __pyx_v_vec_gammas, __pyx_v_coeff_dual_scaling, __pyx_v_offset_radius, __pyx_v_index);
 
-  /* "src/screening/kappa_test.pyx":86
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   int __pyx_v_l_q;
   int __pyx_v_l_min;
   double __pyx_v_bound;
   double __pyx_v_radius;
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-static PyMethodDef __pyx_methods_3src_9screening_10kappa_test_Kappa_test[] = {
-  {"get_name", (PyCFunction)__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_5get_name, METH_NOARGS, 0},
-  {"apply_test", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_7apply_test, METH_VARARGS|METH_KEYWORDS, __pyx_doc_3src_9screening_10kappa_test_10Kappa_test_6apply_test},
-  {"__reduce_cython__", (PyCFunction)__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_9__reduce_cython__, METH_NOARGS, 0},
-  {"__setstate_cython__", (PyCFunction)__pyx_pw_3src_9screening_10kappa_test_10Kappa_test_11__setstate_cython__, METH_O, 0},
+static PyMethodDef __pyx_methods_3src_9screening_12gap_test_p_1_GapTestPequalOne[] = {
+  {"apply_test", (PyCFunction)(void*)(PyCFunctionWithKeywords)__pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_5apply_test, METH_VARARGS|METH_KEYWORDS, __pyx_doc_3src_9screening_12gap_test_p_1_16GapTestPequalOne_4apply_test},
+  {"__reduce_cython__", (PyCFunction)__pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_7__reduce_cython__, METH_NOARGS, 0},
+  {"__setstate_cython__", (PyCFunction)__pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_9__setstate_cython__, METH_O, 0},
   {0, 0, 0, 0}
 };
 
-static PyTypeObject __pyx_type_3src_9screening_10kappa_test_Kappa_test = {
+static PyTypeObject __pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne = {
   PyVarObject_HEAD_INIT(0, 0)
-  "src.screening.kappa_test.Kappa_test", /*tp_name*/
-  sizeof(struct __pyx_obj_3src_9screening_10kappa_test_Kappa_test), /*tp_basicsize*/
+  "src.screening.gap_test_p_1.GapTestPequalOne", /*tp_name*/
+  sizeof(struct __pyx_obj_3src_9screening_12gap_test_p_1_GapTestPequalOne), /*tp_basicsize*/
   0, /*tp_itemsize*/
-  __pyx_tp_dealloc_3src_9screening_10kappa_test_Kappa_test, /*tp_dealloc*/
+  __pyx_tp_dealloc_3src_9screening_12gap_test_p_1_GapTestPequalOne, /*tp_dealloc*/
   #if PY_VERSION_HEX < 0x030800b4
   0, /*tp_print*/
   #endif
@@ -4169,7 +4168,7 @@ static PyTypeObject __pyx_type_3src_9screening_10kappa_test_Kappa_test = {
   0, /*tp_weaklistoffset*/
   0, /*tp_iter*/
   0, /*tp_iternext*/
-  __pyx_methods_3src_9screening_10kappa_test_Kappa_test, /*tp_methods*/
+  __pyx_methods_3src_9screening_12gap_test_p_1_GapTestPequalOne, /*tp_methods*/
   0, /*tp_members*/
   0, /*tp_getset*/
   0, /*tp_base*/
@@ -4177,9 +4176,9 @@ static PyTypeObject __pyx_type_3src_9screening_10kappa_test_Kappa_test = {
   0, /*tp_descr_get*/
   0, /*tp_descr_set*/
   0, /*tp_dictoffset*/
-  __pyx_pw_3src_9screening_10kappa_test_10Kappa_test_1__init__, /*tp_init*/
+  __pyx_pw_3src_9screening_12gap_test_p_1_16GapTestPequalOne_1__init__, /*tp_init*/
   0, /*tp_alloc*/
-  __pyx_tp_new_3src_9screening_10kappa_test_Kappa_test, /*tp_new*/
+  __pyx_tp_new_3src_9screening_12gap_test_p_1_GapTestPequalOne, /*tp_new*/
   0, /*tp_free*/
   0, /*tp_is_gc*/
   0, /*tp_bases*/
@@ -4207,17 +4206,17 @@ static PyMethodDef __pyx_methods[] = {
 #if PY_MAJOR_VERSION >= 3
 #if CYTHON_PEP489_MULTI_PHASE_INIT
 static PyObject* __pyx_pymod_create(PyObject *spec, PyModuleDef *def); /*proto*/
-static int __pyx_pymod_exec_kappa_test(PyObject* module); /*proto*/
+static int __pyx_pymod_exec_gap_test_p_1(PyObject* module); /*proto*/
 static PyModuleDef_Slot __pyx_moduledef_slots[] = {
   {Py_mod_create, (void*)__pyx_pymod_create},
-  {Py_mod_exec, (void*)__pyx_pymod_exec_kappa_test},
+  {Py_mod_exec, (void*)__pyx_pymod_exec_gap_test_p_1},
   {0, NULL}
 };
 #endif
 
 static struct PyModuleDef __pyx_moduledef = {
     PyModuleDef_HEAD_INIT,
-    "kappa_test",
+    "gap_test_p_1",
     0, /* m_doc */
   #if CYTHON_PEP489_MULTI_PHASE_INIT
     0, /* m_size */
@@ -4248,22 +4247,24 @@ static struct PyModuleDef __pyx_moduledef = {
 static __Pyx_StringTabEntry __pyx_string_tab[] = {
   {&__pyx_n_s_AbstractGapScreening, __pyx_k_AbstractGapScreening, sizeof(__pyx_k_AbstractGapScreening), 0, 0, 1, 1},
   {&__pyx_n_s_Atcabs, __pyx_k_Atcabs, sizeof(__pyx_k_Atcabs), 0, 0, 1, 1},
+  {&__pyx_n_s_GapTestPequalOne, __pyx_k_GapTestPequalOne, sizeof(__pyx_k_GapTestPequalOne), 0, 0, 1, 1},
+  {&__pyx_kp_s_Gap_test_p_1_cython, __pyx_k_Gap_test_p_1_cython, sizeof(__pyx_k_Gap_test_p_1_cython), 0, 0, 1, 0},
   {&__pyx_n_s_ImportError, __pyx_k_ImportError, sizeof(__pyx_k_ImportError), 0, 0, 1, 1},
-  {&__pyx_n_s_Kappa_test, __pyx_k_Kappa_test, sizeof(__pyx_k_Kappa_test), 0, 0, 1, 1},
   {&__pyx_n_s_TypeError, __pyx_k_TypeError, sizeof(__pyx_k_TypeError), 0, 0, 1, 1},
   {&__pyx_n_s_argmax, __pyx_k_argmax, sizeof(__pyx_k_argmax), 0, 0, 1, 1},
   {&__pyx_n_s_argsort, __pyx_k_argsort, sizeof(__pyx_k_argsort), 0, 0, 1, 1},
   {&__pyx_n_s_cline_in_traceback, __pyx_k_cline_in_traceback, sizeof(__pyx_k_cline_in_traceback), 0, 0, 1, 1},
+  {&__pyx_n_s_coeff_dual_scaling, __pyx_k_coeff_dual_scaling, sizeof(__pyx_k_coeff_dual_scaling), 0, 0, 1, 1},
   {&__pyx_n_s_cumsum, __pyx_k_cumsum, sizeof(__pyx_k_cumsum), 0, 0, 1, 1},
   {&__pyx_n_s_dtype, __pyx_k_dtype, sizeof(__pyx_k_dtype), 0, 0, 1, 1},
   {&__pyx_n_s_gap, __pyx_k_gap, sizeof(__pyx_k_gap), 0, 0, 1, 1},
   {&__pyx_n_s_getstate, __pyx_k_getstate, sizeof(__pyx_k_getstate), 0, 0, 1, 1},
   {&__pyx_n_s_import, __pyx_k_import, sizeof(__pyx_k_import), 0, 0, 1, 1},
   {&__pyx_n_s_index, __pyx_k_index, sizeof(__pyx_k_index), 0, 0, 1, 1},
-  {&__pyx_kp_s_kappa_test_cython, __pyx_k_kappa_test_cython, sizeof(__pyx_k_kappa_test_cython), 0, 0, 1, 0},
   {&__pyx_n_s_lbd, __pyx_k_lbd, sizeof(__pyx_k_lbd), 0, 0, 1, 1},
   {&__pyx_n_s_main, __pyx_k_main, sizeof(__pyx_k_main), 0, 0, 1, 1},
   {&__pyx_n_s_name, __pyx_k_name, sizeof(__pyx_k_name), 0, 0, 1, 1},
+  {&__pyx_n_s_name_2, __pyx_k_name_2, sizeof(__pyx_k_name_2), 0, 0, 1, 1},
   {&__pyx_n_s_np, __pyx_k_np, sizeof(__pyx_k_np), 0, 0, 1, 1},
   {&__pyx_n_s_numpy, __pyx_k_numpy, sizeof(__pyx_k_numpy), 0, 0, 1, 1},
   {&__pyx_kp_s_numpy_core_multiarray_failed_to, __pyx_k_numpy_core_multiarray_failed_to, sizeof(__pyx_k_numpy_core_multiarray_failed_to), 0, 0, 1, 0},
@@ -4297,25 +4298,25 @@ static CYTHON_SMALL_CODE int __Pyx_InitCachedConstants(void) {
   __Pyx_RefNannyDeclarations
   __Pyx_RefNannySetupContext("__Pyx_InitCachedConstants", 0);
 
-  /* "src/screening/kappa_test.pyx":139
+  /* "src/screening/gap_test_p_1.pyx":148
  *       # 1. Sort in descending order
  *       if index is None:
  *          index = np.argsort(Atcabs)[::-1]             # <<<<<<<<<<<<<<
  * 
  *          # Cdric' notations compliant
  */
-  __pyx_slice_ = PySlice_New(Py_None, Py_None, __pyx_int_neg_1); if (unlikely(!__pyx_slice_)) __PYX_ERR(0, 139, __pyx_L1_error)
+  __pyx_slice_ = PySlice_New(Py_None, Py_None, __pyx_int_neg_1); if (unlikely(!__pyx_slice_)) __PYX_ERR(0, 148, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_slice_);
   __Pyx_GIVEREF(__pyx_slice_);
 
-  /* "src/screening/kappa_test.pyx":142
+  /* "src/screening/gap_test_p_1.pyx":151
  * 
  *          # Cdric' notations compliant
  *       sigmas[1:] = np.cumsum(Atcabs[index])             # <<<<<<<<<<<<<<
  * 
  *       for q in range(n-1, -1, -1):
  */
-  __pyx_slice__2 = PySlice_New(__pyx_int_1, Py_None, Py_None); if (unlikely(!__pyx_slice__2)) __PYX_ERR(0, 142, __pyx_L1_error)
+  __pyx_slice__2 = PySlice_New(__pyx_int_1, Py_None, Py_None); if (unlikely(!__pyx_slice__2)) __PYX_ERR(0, 151, __pyx_L1_error)
   __Pyx_GOTREF(__pyx_slice__2);
   __Pyx_GIVEREF(__pyx_slice__2);
 
@@ -4414,16 +4415,16 @@ static int __Pyx_modinit_type_init_code(void) {
   int __pyx_clineno = 0;
   __Pyx_RefNannySetupContext("__Pyx_modinit_type_init_code", 0);
   /*--- Type init code ---*/
-  if (PyType_Ready(&__pyx_type_3src_9screening_10kappa_test_Kappa_test) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
+  if (PyType_Ready(&__pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
   #if PY_VERSION_HEX < 0x030800B1
-  __pyx_type_3src_9screening_10kappa_test_Kappa_test.tp_print = 0;
+  __pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne.tp_print = 0;
   #endif
-  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_3src_9screening_10kappa_test_Kappa_test.tp_dictoffset && __pyx_type_3src_9screening_10kappa_test_Kappa_test.tp_getattro == PyObject_GenericGetAttr)) {
-    __pyx_type_3src_9screening_10kappa_test_Kappa_test.tp_getattro = __Pyx_PyObject_GenericGetAttr;
+  if ((CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP) && likely(!__pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne.tp_dictoffset && __pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne.tp_getattro == PyObject_GenericGetAttr)) {
+    __pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne.tp_getattro = __Pyx_PyObject_GenericGetAttr;
   }
-  if (PyObject_SetAttr(__pyx_m, __pyx_n_s_Kappa_test, (PyObject *)&__pyx_type_3src_9screening_10kappa_test_Kappa_test) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
-  if (__Pyx_setup_reduce((PyObject*)&__pyx_type_3src_9screening_10kappa_test_Kappa_test) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
-  __pyx_ptype_3src_9screening_10kappa_test_Kappa_test = &__pyx_type_3src_9screening_10kappa_test_Kappa_test;
+  if (PyObject_SetAttr(__pyx_m, __pyx_n_s_GapTestPequalOne, (PyObject *)&__pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
+  if (__Pyx_setup_reduce((PyObject*)&__pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne) < 0) __PYX_ERR(0, 23, __pyx_L1_error)
+  __pyx_ptype_3src_9screening_12gap_test_p_1_GapTestPequalOne = &__pyx_type_3src_9screening_12gap_test_p_1_GapTestPequalOne;
   __Pyx_RefNannyFinishContext();
   return 0;
   __pyx_L1_error:;
@@ -4526,11 +4527,11 @@ static int __Pyx_modinit_function_import_code(void) {
 
 
 #if PY_MAJOR_VERSION < 3
-__Pyx_PyMODINIT_FUNC initkappa_test(void) CYTHON_SMALL_CODE; /*proto*/
-__Pyx_PyMODINIT_FUNC initkappa_test(void)
+__Pyx_PyMODINIT_FUNC initgap_test_p_1(void) CYTHON_SMALL_CODE; /*proto*/
+__Pyx_PyMODINIT_FUNC initgap_test_p_1(void)
 #else
-__Pyx_PyMODINIT_FUNC PyInit_kappa_test(void) CYTHON_SMALL_CODE; /*proto*/
-__Pyx_PyMODINIT_FUNC PyInit_kappa_test(void)
+__Pyx_PyMODINIT_FUNC PyInit_gap_test_p_1(void) CYTHON_SMALL_CODE; /*proto*/
+__Pyx_PyMODINIT_FUNC PyInit_gap_test_p_1(void)
 #if CYTHON_PEP489_MULTI_PHASE_INIT
 {
   return PyModuleDef_Init(&__pyx_moduledef);
@@ -4597,7 +4598,7 @@ bad:
 }
 
 
-static CYTHON_SMALL_CODE int __pyx_pymod_exec_kappa_test(PyObject *__pyx_pyinit_module)
+static CYTHON_SMALL_CODE int __pyx_pymod_exec_gap_test_p_1(PyObject *__pyx_pyinit_module)
 #endif
 #endif
 {
@@ -4610,7 +4611,7 @@ static CYTHON_SMALL_CODE int __pyx_pymod_exec_kappa_test(PyObject *__pyx_pyinit_
   #if CYTHON_PEP489_MULTI_PHASE_INIT
   if (__pyx_m) {
     if (__pyx_m == __pyx_pyinit_module) return 0;
-    PyErr_SetString(PyExc_RuntimeError, "Module 'kappa_test' has already been imported. Re-initialisation is not supported.");
+    PyErr_SetString(PyExc_RuntimeError, "Module 'gap_test_p_1' has already been imported. Re-initialisation is not supported.");
     return -1;
   }
   #elif PY_MAJOR_VERSION >= 3
@@ -4625,7 +4626,7 @@ if (!__Pyx_RefNanny) {
       Py_FatalError("failed to import 'refnanny' module");
 }
 #endif
-  __Pyx_RefNannySetupContext("__Pyx_PyMODINIT_FUNC PyInit_kappa_test(void)", 0);
+  __Pyx_RefNannySetupContext("__Pyx_PyMODINIT_FUNC PyInit_gap_test_p_1(void)", 0);
   if (__Pyx_check_binary_version() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #ifdef __Pxy_PyFrame_Initialize_Offsets
   __Pxy_PyFrame_Initialize_Offsets();
@@ -4662,7 +4663,7 @@ if (!__Pyx_RefNanny) {
   Py_INCREF(__pyx_m);
   #else
   #if PY_MAJOR_VERSION < 3
-  __pyx_m = Py_InitModule4("kappa_test", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
+  __pyx_m = Py_InitModule4("gap_test_p_1", __pyx_methods, 0, 0, PYTHON_API_VERSION); Py_XINCREF(__pyx_m);
   #else
   __pyx_m = PyModule_Create(&__pyx_moduledef);
   #endif
@@ -4680,14 +4681,14 @@ if (!__Pyx_RefNanny) {
   #if PY_MAJOR_VERSION < 3 && (__PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT)
   if (__Pyx_init_sys_getdefaultencoding_params() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
-  if (__pyx_module_is_main_src__screening__kappa_test) {
-    if (PyObject_SetAttr(__pyx_m, __pyx_n_s_name, __pyx_n_s_main) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
+  if (__pyx_module_is_main_src__screening__gap_test_p_1) {
+    if (PyObject_SetAttr(__pyx_m, __pyx_n_s_name_2, __pyx_n_s_main) < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   }
   #if PY_MAJOR_VERSION >= 3
   {
     PyObject *modules = PyImport_GetModuleDict(); if (unlikely(!modules)) __PYX_ERR(0, 1, __pyx_L1_error)
-    if (!PyDict_GetItemString(modules, "src.screening.kappa_test")) {
-      if (unlikely(PyDict_SetItemString(modules, "src.screening.kappa_test", __pyx_m) < 0)) __PYX_ERR(0, 1, __pyx_L1_error)
+    if (!PyDict_GetItemString(modules, "src.screening.gap_test_p_1")) {
+      if (unlikely(PyDict_SetItemString(modules, "src.screening.gap_test_p_1", __pyx_m) < 0)) __PYX_ERR(0, 1, __pyx_L1_error)
     }
   }
   #endif
@@ -4708,7 +4709,7 @@ if (!__Pyx_RefNanny) {
   if (__Pyx_patch_abc() < 0) __PYX_ERR(0, 1, __pyx_L1_error)
   #endif
 
-  /* "src/screening/kappa_test.pyx":3
+  /* "src/screening/gap_test_p_1.pyx":3
  * # -*- coding: utf-8 -*-
  * # Based on https://cython.readthedocs.io/en/latest/src/tutorial/numpy.html
  * import numpy as np             # <<<<<<<<<<<<<<
@@ -4720,7 +4721,7 @@ if (!__Pyx_RefNanny) {
   if (PyDict_SetItem(__pyx_d, __pyx_n_s_np, __pyx_t_1) < 0) __PYX_ERR(0, 3, __pyx_L1_error)
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
 
-  /* "src/screening/kappa_test.pyx":5
+  /* "src/screening/gap_test_p_1.pyx":5
  * import numpy as np
  * 
  * from src.screening.ascreening import AbstractGapScreening             # <<<<<<<<<<<<<<
@@ -4741,7 +4742,7 @@ if (!__Pyx_RefNanny) {
   __Pyx_DECREF(__pyx_t_1); __pyx_t_1 = 0;
   __Pyx_DECREF(__pyx_t_2); __pyx_t_2 = 0;
 
-  /* "src/screening/kappa_test.pyx":1
+  /* "src/screening/gap_test_p_1.pyx":1
  * # -*- coding: utf-8 -*-             # <<<<<<<<<<<<<<
  * # Based on https://cython.readthedocs.io/en/latest/src/tutorial/numpy.html
  * import numpy as np
@@ -4767,11 +4768,11 @@ if (!__Pyx_RefNanny) {
   __Pyx_XDECREF(__pyx_t_2);
   if (__pyx_m) {
     if (__pyx_d) {
-      __Pyx_AddTraceback("init src.screening.kappa_test", __pyx_clineno, __pyx_lineno, __pyx_filename);
+      __Pyx_AddTraceback("init src.screening.gap_test_p_1", __pyx_clineno, __pyx_lineno, __pyx_filename);
     }
     Py_CLEAR(__pyx_m);
   } else if (!PyErr_Occurred()) {
-    PyErr_SetString(PyExc_ImportError, "init src.screening.kappa_test");
+    PyErr_SetString(PyExc_ImportError, "init src.screening.gap_test_p_1");
   }
   __pyx_L0:;
   __Pyx_RefNannyFinishContext();
@@ -5865,6 +5866,20 @@ static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObjec
 }
 #endif
 
+/* PyObjectSetAttrStr */
+  #if CYTHON_USE_TYPE_SLOTS
+static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) {
+    PyTypeObject* tp = Py_TYPE(obj);
+    if (likely(tp->tp_setattro))
+        return tp->tp_setattro(obj, attr_name, value);
+#if PY_MAJOR_VERSION < 3
+    if (likely(tp->tp_setattr))
+        return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value);
+#endif
+    return PyObject_SetAttr(obj, attr_name, value);
+}
+#endif
+
 /* PyErrFetchRestore */
   #if CYTHON_FAST_THREAD_STATE
 static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) {
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   static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) {
   int ret;
   PyObject *name_attr;
-  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name);
+  name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name_2);
   if (likely(name_attr)) {
       ret = PyObject_RichCompareBool(name_attr, name, Py_EQ);
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diff --git a/src/screening/kappa_test.pyx b/src/screening/gap_test_p_1.pyx
similarity index 85%
rename from src/screening/kappa_test.pyx
rename to src/screening/gap_test_p_1.pyx
index 07f8def3d1b47793d9cd0fc1ba02f225898c2fd3..369afdd87394a0bed898c3c988718783d08aaddd 100644
--- a/src/screening/kappa_test.pyx
+++ b/src/screening/gap_test_p_1.pyx
@@ -20,7 +20,7 @@ from cpython.mem cimport PyMem_Malloc, PyMem_Realloc, PyMem_Free
 
 #(AbstractGapScreening)
 
-cdef class Kappa_test:
+cdef class GapTestPequalOne:
    """ Generalized test
    """
 
@@ -72,14 +72,13 @@ cdef class Kappa_test:
       #    (1. + vec_coherence_function) * np.arange(1, n+1, dtype=np.double)
       # ).copy()
 
+      self.name = "Gap test p=1 (cython)"
+
 
    def __dealloc__(self):
       PyMem_Free(self.vec_cumsum_gammas)  # no-op if self.data is NULL
       PyMem_Free(self.vec_kappa_q)  # no-op if self.data is NULL
 
-   def get_name(self):
-      return "kappa-test cython"
-
 
    @cython.boundscheck(False) # turn off bounds-checking for entire function
    @cython.wraparound(False)  # turn off negative index wrapping for entire function
@@ -87,7 +86,8 @@ cdef class Kappa_test:
       np.ndarray[np.npy_double, ndim=1] Atcabs, 
       double gap, 
       double lbd, 
-      np.ndarray[np.npy_double, ndim=1] vec_gammas, 
+      np.ndarray[np.npy_double, ndim=1] vec_gammas,
+      double coeff_dual_scaling = 1., 
       double offset_radius=0., 
       np.ndarray[long, ndim=1] index=None
       ):
@@ -107,6 +107,14 @@ cdef class Kappa_test:
       vec_gammas : np.ndarray
          slope parameters
          size [n,]
+      vec_gammas : np.ndarray
+         slope parameters
+         size [n,]
+      coeff_dual_scaling : positif float
+         If coeff_dual_scaling is not feasible, dual scaling factor
+         such taht vecu / coeff_dual_scaling os dual feasible
+         Here for code optimization purposes
+         Default value is 1. (vecu is feasible)
       offset_radius : float
          additive term added to the redius
          default is 0
@@ -127,7 +135,8 @@ cdef class Kappa_test:
       cdef int l_min = 0
 
       cdef double bound
-      cdef double radius = np.sqrt(2 * gap) + offset_radius
+      cdef double radius = coeff_dual_scaling * np.sqrt(2 * gap) + offset_radius
+      cdef double coeff_lbd = coeff_dual_scaling * lbd
 
       cdef np.ndarray[np.npy_double, ndim=1] sigmas = np.zeros(n+1)
 
@@ -142,7 +151,7 @@ cdef class Kappa_test:
       sigmas[1:] = np.cumsum(Atcabs[index])
 
       for q in range(n-1, -1, -1):
-         bound = lbd * self.vec_cumsum_gammas[q] - self.vec_kappa_q[q] * radius - sigmas[q]
+         bound = coeff_lbd * self.vec_cumsum_gammas[q] - self.vec_kappa_q[q] * radius - sigmas[q]
 
          if Atcabs[index[q]] < bound:
             l_q = 0
diff --git a/src/screening/singletest.py b/src/screening/gap_test_p_q.py
similarity index 62%
rename from src/screening/singletest.py
rename to src/screening/gap_test_p_q.py
index 7bd5c149945a0c1c503587d31910ddb164295586..6520ba0eed1d3660c07cd6da6ecf4a5ce9b56599 100644
--- a/src/screening/singletest.py
+++ b/src/screening/gap_test_p_q.py
@@ -4,15 +4,15 @@ import numpy as np
 from src.screening.ascreening import AbstractGapScreening
 
 
-class GapSphereSingleTest(AbstractGapScreening):
+class GapTestPequalQ(AbstractGapScreening):
    """ Single test safe sphere screening test for Slope
    """
    def __init__(self):
-      super(GapSphereSingleTest, self).__init__()
+      super(GapTestPequalQ, self).__init__()
 
-      self.name = "single test"
+      self.name = "Gap test p=q"
 
-   def apply_test(self, Atu_abs, gap, lbd, vec_gammas, offset_radius=0, index=None) -> np.ndarray:
+   def apply_test(self, Atu_abs, gap, lbd, vec_gammas, coeff_dual_scaling=1., offset_radius=0, index=None) -> np.ndarray:
       """ GAP Sphere screening test detailed in Cédric's node
       
       Parameters
@@ -27,6 +27,11 @@ class GapSphereSingleTest(AbstractGapScreening):
       vec_gammas : np.ndarray
          slope parameters
          size [n,]
+      coeff_dual_scaling : positif float
+         If coeff_dual_scaling is not feasible, dual scaling factor
+         such taht vecu / coeff_dual_scaling os dual feasible
+         Here for code optimization purposes
+         Default value is 1. (vecu is feasible)
       offset_radius : float
          additive term added to the redius
       index : np.ndarray
@@ -43,4 +48,4 @@ class GapSphereSingleTest(AbstractGapScreening):
       """
 
       radius = np.sqrt(2 * gap)
-      return Atu_abs < lbd * vec_gammas[-1] - radius - offset_radius
+      return Atu_abs < coeff_dual_scaling * (lbd * vec_gammas[-1] - radius) - offset_radius
diff --git a/src/solver/parameters.py b/src/solver/parameters.py
index 1fb75215fb23827aca5b90de4119d1d2ef0088a9..7fd921d0e24686f703da303caf8f4511c4ee45a6 100755
--- a/src/solver/parameters.py
+++ b/src/solver/parameters.py
@@ -8,31 +8,53 @@ from src.screening.ascreening import AbstractGapScreening
 
 
 class EnumLipchitzOptions(enum.Enum):
-	EXACT 		 = enum.auto()
-	GERSHGORIN   = enum.auto()
+   EXACT        = enum.auto()
+   GERSHGORIN   = enum.auto()
+   BACKTRACKING = enum.auto()
+
+
+class DualScalingOptions(enum.Enum):
+   EXACT     = enum.auto()
+   BAO_ET_AL = enum.auto()
 
 
 class MyList:
-    def __getitem__(self, key):
-        return float(key)
+   def __getitem__(self, key):
+      return float(key)
+
 
 @dataclass
 class SlopeParameters(object):
-    max_it: int = 1e3
-    gap_stopping: float = 1e-9
-    time_stopping: float = 1e2
-    accelerated: bool = False
-    vecx_init: np.ndarray = None
-    verbose: bool = True
+   max_it: int = 1e3
+   gap_stopping: float = 1e-9
+   time_stopping: float = 1e2
+   accelerated: bool = False
+   vecx_init: np.ndarray = None
+   verbose: bool = True
+
+   dual_scaling: DualScalingOptions = DualScalingOptions.EXACT
+
+   eval_gap: bool = True
+
+   lipchitz_constant: float = None
+   lipchitz_update: EnumLipchitzOptions = EnumLipchitzOptions.EXACT
+
+   coherence: float = 1.
+   coherence_function: np.ndarray = MyList()
+
+   screening1: AbstractGapScreening = None
+   screening2: AbstractGapScreening = None
+   screening_it_div: float = 2.
+
+   save_nactive: bool = False
+   save_pfunc:  bool = False
+   save_dfunc:  bool = False
+
+
+
+# @dataclass
+# class SlopeParameters(AlgParameters):
 
-    lipchitz_constant: float = None
-    lipchitz_update: EnumLipchitzOptions = EnumLipchitzOptions.EXACT
 
-    coherence: float = 1.
-    coherence_function: np.ndarray = MyList()
 
-    screening1: AbstractGapScreening = None
-    screening2: AbstractGapScreening = None
-    screening_it_div: float = 2.
 
-    save_nactive = False
diff --git a/src/solver/slope.py b/src/solver/slope.py
index a247786fc6e4495b55a9732bdef8b30fcbee57f5..ada599c2161584414d0ddfe8e0dba7867292db01 100755
--- a/src/solver/slope.py
+++ b/src/solver/slope.py
@@ -3,8 +3,8 @@ import time
 
 import numpy as np
 
-from src.solver.parameters import SlopeParameters, EnumLipchitzOptions
-from src.solver.prox import prox_owl
+from src.parameters import SlopeParameters, EnumLipchitzOptions, DualScalingOptions
+from src.prox import prox_owl
 
 
 def primal_func(vecy, Ax, x, lbd, vec_gammas) -> float:
@@ -85,6 +85,7 @@ def slope_gp(vecy, matA, lbd, vecgamma, algParameters=SlopeParameters()):
       # Precomputed quantities
    Aty = matA.T @ vecy
    normy2 = np.linalg.norm(vecy)**2
+   gamma_returned = vecgamma[::-1]
 
       # Coherence
    mu = algParameters.coherence
@@ -124,6 +125,8 @@ def slope_gp(vecy, matA, lbd, vecgamma, algParameters=SlopeParameters()):
    screening_test_1 = algParameters.screening1
    screening_test_2 = algParameters.screening2
 
+   vec_cumsum_gammas = np.cumsum(vecgamma)
+
    is_test_1 = False if screening_test_1 is None else True
    is_test_2 = False if screening_test_2 is None else True
 
@@ -145,10 +148,13 @@ def slope_gp(vecy, matA, lbd, vecgamma, algParameters=SlopeParameters()):
 
    best_costfunc = .5 * normy2
    best_vecx     = np.copy(vecx_hat)
-   best_vecu     = np.zeros(m)
    best_dualfunc = 0
 
    it = 0
+
+   # Security to prevent error with negative gap
+   gap_stop = max(algParameters.gap_stopping, 5e-16)
+
    time_starting = time.time()
    ellapsed_time = lambda: time.time() - time_starting
    while True:
@@ -160,34 +166,55 @@ def slope_gp(vecy, matA, lbd, vecgamma, algParameters=SlopeParameters()):
       vec_res = vecy - Ax
       neg_grad = matA[:, ind_active].T @ vec_res
 
-         # Dual scaling
-      index_sort_neg_grad = np.argsort(np.abs(neg_grad))[::-1]
-      beta_dual = np.abs(neg_grad[index_sort_neg_grad])
-      beta_dual = np.cumsum(beta_dual) / np.cumsum(vecgamma[:n_active])
-      max_beta_dual = max(np.max(beta_dual) / lbd, 1.)
-      vecu_hat = vec_res / max_beta_dual
+      # -- Evaluating primal function
+      # I drop the idea below. it is the "best strategy" only when evaluating the dual function
+      # ytAx = vecy.dot(Ax)
+      # normAx2 = np.linalg.norm(Ax, 2)**2
+      half_norm_res_2 = .5 * np.linalg.norm(vec_res, 2)**2
+      lbd_slope_norm = lbd * gamma_returned.dot(np.sort(np.abs(vecx_hat[ind_active])))
 
-      vec_cost_func.append(primal_func(vecy, Ax, vecx_hat[ind_active], lbd, vecgamma[:n_active]))
-      vec_dual_func.append(dual_func(vecy, normy2, vecu_hat))
+      vec_cost_func.append(half_norm_res_2 + lbd_slope_norm)
 
       if vec_cost_func[-1] < best_costfunc:
          best_costfunc = vec_cost_func[-1]
          best_vecx = np.copy(vecx_hat)
 
-      if vec_dual_func[-1] > best_dualfunc:
-         best_dualfunc = vec_dual_func[-1]
-         best_vecu = np.copy(vecu_hat)
+      gap = best_costfunc
+
 
+      if (it % 20 == 0) or algParameters.eval_gap:
+         # -- Evaluating dual function (if needed)
+         # if algParameters.eval_gap:
+         index_sort_neg_grad = np.argsort(np.abs(neg_grad))[::-1]
+         # print(index_sort_neg_grad)
+
+         # Dual scaling
+         if algParameters.dual_scaling == DualScalingOptions.EXACT:
+            beta_dual = np.cumsum(np.abs(neg_grad[index_sort_neg_grad])) \
+               / vec_cumsum_gammas[:n_active]
+            coeff_dual_scaling = max(np.max(beta_dual) / lbd, 1.)
+
+         elif algParameters.dual_scaling == DualScalingOptions.BAO_ET_AL:
+            beta_dual = np.abs(neg_grad[index_sort_neg_grad]) / vecgamma[:n_active]
+            coeff_dual_scaling = max(np.max(beta_dual) / lbd, 1.)
+
+         else:
+            raise NotImplemented
 
-      gap = np.abs(best_costfunc - best_dualfunc)
-      # print(f"it {it} gap {gap}")
+         yT_res = vecy.dot(vec_res)
+         d_func_val = (yT_res - half_norm_res_2 / coeff_dual_scaling) / coeff_dual_scaling
+
+         if algParameters.save_dfunc:
+         	vec_dual_func.append(d_func_val)
+         
+         gap = np.abs(best_costfunc - d_func_val)
 
 
       # ------------------
       #   Stopping rules
       # ------------------
 
-      if (it >= algParameters.max_it) or (gap <= algParameters.gap_stopping) or (ellapsed_time() > algParameters.time_stopping):
+      if (it >= algParameters.max_it) or (gap <= gap_stop) or (ellapsed_time() > algParameters.time_stopping):
          break
 
 
@@ -195,16 +222,45 @@ def slope_gp(vecy, matA, lbd, vecgamma, algParameters=SlopeParameters()):
       #      Screening
       # ------------------
 
-      if is_test_1 or is_test_2:
+      if (it % 20 == 0) and (is_test_1 or is_test_2):
+         # -- Evaluating dual function (if needed)
+         # if algParameters.eval_gap:
+         index_sort_neg_grad = np.argsort(np.abs(neg_grad))[::-1]
+         # print(index_sort_neg_grad)
+
+         # Dual scaling
+         if algParameters.dual_scaling == DualScalingOptions.EXACT:
+            beta_dual = np.cumsum(np.abs(neg_grad[index_sort_neg_grad])) \
+               / vec_cumsum_gammas[:n_active]
+            coeff_dual_scaling = max(np.max(beta_dual) / lbd, 1.)
 
-         Atu = neg_grad / max_beta_dual
-         gap_test = np.abs(vec_cost_func[-1] - vec_dual_func[-1])
+         elif algParameters.dual_scaling == DualScalingOptions.BAO_ET_AL:
+            beta_dual = np.abs(neg_grad[index_sort_neg_grad]) / vecgamma[:n_active]
+            coeff_dual_scaling = max(np.max(beta_dual) / lbd, 1.)
+
+         else:
+            raise NotImplemented
 
-         # print(np.max(np.abs(Atu)), np.max(np.abs(matA.T @ vecu_hat)), lbd * vecgamma[:n_active])
+         yT_res = vecy.dot(vec_res)
+         d_func_val = (yT_res - half_norm_res_2 / coeff_dual_scaling) / coeff_dual_scaling
+
+         # vec_dual_func.append(dualfunc)
+         
+         # we take vec_dual_func[-1] because the corresponding u is used for 
+         # the GAP ball
+         # gap = np.abs(best_costfunc - vec_dual_func[-1])
+         gap = np.abs(best_costfunc - d_func_val)
+
+         # Potential improvements
+         # - l218: Atu coulb commented 
+         # - l225: Atu coulb replaced by neg_grad and lbd by "coeff_dual_scaling * lbd" (+ radius)
+         # - l242: idem
+         # Atu = neg_grad / coeff_dual_scaling
+         # gap = np.abs(best_costfunc - vec_dual_func[-1])
 
          # 1. Apply test
-         if is_test_2 and do_test2(gap, gap_last_test):
-            out_test2 = screening_test_2.apply_test(np.abs(Atu), gap_test, lbd, vecgamma[:n_active], index=index_sort_neg_grad)
+         if is_test_2: # and do_test2(gap, gap_last_test):
+            out_test2 = screening_test_2.apply_test(np.abs(neg_grad), gap, lbd, vecgamma[:n_active], coeff_dual_scaling=coeff_dual_scaling, index=index_sort_neg_grad)
 
             if np.any(out_test2):
                # 2a. Set entry to 0
@@ -213,15 +269,17 @@ def slope_gp(vecy, matA, lbd, vecgamma, algParameters=SlopeParameters()):
                # 2b. Reduce set of active indices
                neg_grad   = neg_grad[np.bitwise_not(out_test2)]
                ind_active = ind_active[np.bitwise_not(out_test2)]
-               n_active  -= np.sum(out_test2)
+               nb_screen  = np.sum(out_test2)
+               n_active  -= nb_screen
+
+               gamma_returned = gamma_returned[nb_screen:]
 
                # schedule next test
-               gap_last_test = float(gap_test)
-               # print("all", n_active)
+               gap_last_test = float(gap)
                lip = update_Lip()
 
          elif is_test_1:
-            out_test1 = screening_test_1.apply_test(np.abs(Atu), gap_test, lbd, vecgamma[:n_active], index=index_sort_neg_grad)
+            out_test1 = screening_test_1.apply_test(np.abs(neg_grad), gap, lbd, vecgamma[:n_active], coeff_dual_scaling=coeff_dual_scaling, index=index_sort_neg_grad)
             
             if np.any(out_test1):
                # 2a. Set entry to 0
@@ -230,9 +288,10 @@ def slope_gp(vecy, matA, lbd, vecgamma, algParameters=SlopeParameters()):
                # 2b. Reduce set of active indices
                neg_grad       = neg_grad[np.bitwise_not(out_test1)]
                ind_active     = ind_active[np.bitwise_not(out_test1)]
-               n_active       -= np.sum(out_test1)
-               # print("single", n_active)
+               nb_screen      = np.sum(out_test1)
+               n_active      -= nb_screen 
 
+               gamma_returned = gamma_returned[nb_screen:]
                lip = update_Lip()
 
 
@@ -270,12 +329,12 @@ def slope_gp(vecy, matA, lbd, vecgamma, algParameters=SlopeParameters()):
 
    time_run = ellapsed_time()
 
+
    return {
       "sol": best_vecx,
-      "dualsol": best_vecu,
       "cost_function": np.array(vec_cost_func),
       "dual_function": np.array(vec_dual_func),
-      "gap": gap, #Best gap
+      "gap": gap,
       "time_run": time_run,
       "nb_it": it,
       "vec_n_active": np.array(vec_n_active),