diff options
Diffstat (limited to 'missing/lgamma_r.c')
| -rw-r--r-- | missing/lgamma_r.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/missing/lgamma_r.c b/missing/lgamma_r.c index 64ca829f10..6d2f38f40c 100644 --- a/missing/lgamma_r.c +++ b/missing/lgamma_r.c @@ -47,6 +47,17 @@ loggamma(double x) /* the natural logarithm of the Gamma function. */ + 0.5 * LOG_2PI - log(v) - x + (x - 0.5) * log(x); } + +#ifdef __MINGW_ATTRIB_PURE +/* get rid of bugs in math.h of mingw */ +#define modf(_X, _Y) __extension__ ({\ + double intpart_modf_bug = intpart_modf_bug;\ + double result_modf_bug = modf((_X), &intpart_modf_bug);\ + *(_Y) = intpart_modf_bug;\ + result_modf_bug;\ +}) +#endif + /* the natural logarithm of the absolute value of the Gamma function */ double lgamma_r(double x, int *signp) |