/usr/lib/python3/dist-packages/Cython/Utility/CMath.c is in cython3 0.25.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 | /////////////// CDivisionWarning.proto ///////////////
static int __Pyx_cdivision_warning(const char *, int); /* proto */
/////////////// CDivisionWarning ///////////////
static int __Pyx_cdivision_warning(const char *filename, int lineno) {
#if CYTHON_COMPILING_IN_PYPY
// avoid compiler warnings
filename++; lineno++;
return PyErr_Warn(PyExc_RuntimeWarning,
"division with oppositely signed operands, C and Python semantics differ");
#else
return PyErr_WarnExplicit(PyExc_RuntimeWarning,
"division with oppositely signed operands, C and Python semantics differ",
filename,
lineno,
__Pyx_MODULE_NAME,
NULL);
#endif
}
/////////////// DivInt.proto ///////////////
static CYTHON_INLINE %(type)s __Pyx_div_%(type_name)s(%(type)s, %(type)s); /* proto */
/////////////// DivInt ///////////////
static CYTHON_INLINE %(type)s __Pyx_div_%(type_name)s(%(type)s a, %(type)s b) {
%(type)s q = a / b;
%(type)s r = a - q*b;
q -= ((r != 0) & ((r ^ b) < 0));
return q;
}
/////////////// ModInt.proto ///////////////
static CYTHON_INLINE %(type)s __Pyx_mod_%(type_name)s(%(type)s, %(type)s); /* proto */
/////////////// ModInt ///////////////
static CYTHON_INLINE %(type)s __Pyx_mod_%(type_name)s(%(type)s a, %(type)s b) {
%(type)s r = a %% b;
r += ((r != 0) & ((r ^ b) < 0)) * b;
return r;
}
/////////////// ModFloat.proto ///////////////
static CYTHON_INLINE %(type)s __Pyx_mod_%(type_name)s(%(type)s, %(type)s); /* proto */
/////////////// ModFloat ///////////////
static CYTHON_INLINE %(type)s __Pyx_mod_%(type_name)s(%(type)s a, %(type)s b) {
%(type)s r = fmod%(math_h_modifier)s(a, b);
r += ((r != 0) & ((r < 0) ^ (b < 0))) * b;
return r;
}
/////////////// IntPow.proto ///////////////
static CYTHON_INLINE %(type)s %(func_name)s(%(type)s, %(type)s); /* proto */
/////////////// IntPow ///////////////
static CYTHON_INLINE %(type)s %(func_name)s(%(type)s b, %(type)s e) {
%(type)s t = b;
switch (e) {
case 3:
t *= b;
case 2:
t *= b;
case 1:
return t;
case 0:
return 1;
}
#if %(signed)s
if (unlikely(e<0)) return 0;
#endif
t = 1;
while (likely(e)) {
t *= (b * (e&1)) | ((~e)&1); /* 1 or b */
b *= b;
e >>= 1;
}
return t;
}
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