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| author | Serhiy Storchaka <storchaka@gmail.com> | 2017-03-12 14:08:06 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2017-03-12 14:08:06 +0200 |
| commit | 4125e5c60e24ffcff8031817dc60984335917f59 (patch) | |
| tree | 074f44b09757a353d69953c888871456b40c85e4 /Modules/mathmodule.c | |
| parent | c2cf12857187aa147c268651f10acd6da2c9cb74 (diff) | |
| download | cpython-git-4125e5c60e24ffcff8031817dc60984335917f59.tar.gz | |
bpo-26121: Revert to using the own implementations of lgamma and gamma on all platforms. (#637)
Diffstat (limited to 'Modules/mathmodule.c')
| -rw-r--r-- | Modules/mathmodule.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c index bfc028eddd..d5a8ca1ebe 100644 --- a/Modules/mathmodule.c +++ b/Modules/mathmodule.c @@ -74,17 +74,6 @@ static const double pi = 3.141592653589793238462643383279502884197; static const double sqrtpi = 1.772453850905516027298167483341145182798; static const double logpi = 1.144729885849400174143427351353058711647; -#ifndef __APPLE__ -# ifdef HAVE_TGAMMA -# define USE_TGAMMA -# endif -# ifdef HAVE_LGAMMA -# define USE_LGAMMA -# endif -#endif - -#if !defined(USE_TGAMMA) || !defined(USE_LGAMMA) - static double sinpi(double x) { @@ -241,7 +230,6 @@ lanczos_sum(double x) } return num/den; } -#endif /* !defined(USE_TGAMMA) || !defined(USE_LGAMMA) */ /* Constant for +infinity, generated in the same way as float('inf'). */ @@ -275,14 +263,6 @@ m_nan(void) static double m_tgamma(double x) { -#ifdef USE_TGAMMA - if (x == 0.0) { - errno = EDOM; - /* tgamma(+-0.0) = +-inf, divide-by-zero */ - return copysign(Py_HUGE_VAL, x); - } - return tgamma(x); -#else double absx, r, y, z, sqrtpow; /* special cases */ @@ -374,7 +354,6 @@ m_tgamma(double x) if (Py_IS_INFINITY(r)) errno = ERANGE; return r; -#endif } /* @@ -386,15 +365,6 @@ static double m_lgamma(double x) { double r; - -#ifdef USE_LGAMMA - r = lgamma(x); - if (errno == ERANGE && x == floor(x) && x <= 0.0) { - errno = EDOM; /* lgamma(n) = inf, divide-by-zero for */ - return Py_HUGE_VAL; /* integers n <= 0 */ - } - return r; -#else double absx; /* special cases */ @@ -433,7 +403,6 @@ m_lgamma(double x) if (Py_IS_INFINITY(r)) errno = ERANGE; return r; -#endif } #if !defined(HAVE_ERF) || !defined(HAVE_ERFC) |