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| author | Rich Felker <dalias@aerifal.cx> | 2012-05-22 21:52:08 -0400 |
|---|---|---|
| committer | Rich Felker <dalias@aerifal.cx> | 2012-05-22 21:52:08 -0400 |
| commit | 419ae6d5c95629d3ebaff6f1880d52cb027ba924 (patch) | |
| tree | 9e38522b2d54cdaa3c282f3effb3daac06509edc /include/math.h | |
| parent | 7b5467cbae266d9cf91404a13c9b6b6e1d9b8204 (diff) | |
| download | musl-419ae6d5c95629d3ebaff6f1880d52cb027ba924.tar.gz musl-419ae6d5c95629d3ebaff6f1880d52cb027ba924.tar.bz2 musl-419ae6d5c95629d3ebaff6f1880d52cb027ba924.tar.xz musl-419ae6d5c95629d3ebaff6f1880d52cb027ba924.zip | |
support _BSD_SOURCE feature test macro
patch by Isaac Dunham. matched closely (maybe not exact) to glibc's
idea of what _BSD_SOURCE should make visible.
Diffstat (limited to 'include/math.h')
| -rw-r--r-- | include/math.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/include/math.h b/include/math.h index 61738e6a..d7326483 100644 --- a/include/math.h +++ b/include/math.h @@ -330,8 +330,7 @@ double trunc(double); float truncf(float); long double truncl(long double); -#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) -#define MAXFLOAT 3.40282347e+38F +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE) #define M_E 2.7182818284590452354 /* e */ #define M_LOG2E 1.4426950408889634074 /* log_2 e */ #define M_LOG10E 0.43429448190325182765 /* log_10 e */ @@ -345,7 +344,13 @@ long double truncl(long double); #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ +#endif +#if defined(_XOPEN_SOURCE) +#define MAXFLOAT 3.40282347e+38F +#endif + +#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) extern int signgam; double j0(double); @@ -358,6 +363,7 @@ double yn(int, double); #endif #ifdef _GNU_SOURCE +#define HUGE 3.40282347e+38F double scalb(double, double); float scalbf(float, float); long double scalbl(long double, long double); |