33 lines
824 B
Cython
33 lines
824 B
Cython
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#
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# Common definition
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#
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DEF PI2 = 1.5707963267948966
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DEF PI = 3.1415926535897931
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cdef extern from *:
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ctypedef char* const_char_ptr "const char*"
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cdef double pi = PI
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cdef extern from "math.h":
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double cos(double) nogil
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double acos(double) nogil
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double sin(double) nogil
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double sqrt(double) nogil
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double pow(double x, double y) nogil
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double atan2(double y, double x) nogil
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double tan(double) nogil
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double fabs(double) nogil
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cdef extern from "stdlib.h":
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ctypedef unsigned long size_t
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void free(void *ptr) nogil
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void *realloc(void *ptr, size_t size) nogil
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void *malloc(size_t size) nogil
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void *calloc(size_t nmemb, size_t size) nogil
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cdef extern from "string.h":
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void *memcpy(void *dest, void *src, size_t n) nogil
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void *memset(void *dest, int c, size_t len)
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