+01: #cython: wraparound=False, boundscheck=False, cdivision=True, profile=False, nonecheck=False, overflowcheck=False, cdivision_warnings=False, unraisable_tracebacks=False

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 04: # import both numpy and the Cython declarations for numpy

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 07: 

 08: # declare the interface to the C code

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 10:     int _gradient(double x0, double y0, double x1, double y1, double x2, double y2, double q0, double q1, double q2, double *a, double *b)

 11:     int _gradient2(double x0, double y0, double x1, double y1, double q0, double q1, double *a, double *b)

 12: 

 13: cdef extern from "float.h":

 14:     const double DBL_DIG

 15: 

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