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| author | Jon TURNEY <jon.turney@dronecode.org.uk> | 2014-08-04 21:32:37 +0000 |
|---|---|---|
| committer | Jon TURNEY <jon.turney@dronecode.org.uk> | 2014-08-04 21:32:37 +0000 |
| commit | a4a96eb436fc89b3277aaa0deb1fdef7a9498b08 (patch) | |
| tree | c1806ded6da1852b5bf578c792726f756be7f8ab /newlib/libc | |
| parent | 79131d442eaa79219de2257c7ee31b2de1efe4ac (diff) | |
| download | cygnal-a4a96eb436fc89b3277aaa0deb1fdef7a9498b08.tar.gz cygnal-a4a96eb436fc89b3277aaa0deb1fdef7a9498b08.tar.bz2 cygnal-a4a96eb436fc89b3277aaa0deb1fdef7a9498b08.zip | |
* libc/include/math.h: Also define M_PI etc. if _XOPEN_SOURCE is
defined appropriately.
Diffstat (limited to 'newlib/libc')
| -rw-r--r-- | newlib/libc/include/math.h | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h index 606fecfa9..3bf8de517 100644 --- a/newlib/libc/include/math.h +++ b/newlib/libc/include/math.h @@ -542,8 +542,12 @@ extern int matherr _PARAMS((struct exception *e)); #define TLOSS 5 #define PLOSS 6 +#endif /* ! defined (__STRICT_ANSI__) */ + /* Useful constants. */ +#if !defined(__STRICT_ANSI__) || ((_XOPEN_SOURCE - 0) >= 500) + #define MAXFLOAT 3.40282347e+38F #define M_E 2.7182818284590452354 @@ -552,16 +556,21 @@ extern int matherr _PARAMS((struct exception *e)); #define M_LN2 _M_LN2 #define M_LN10 2.30258509299404568402 #define M_PI 3.14159265358979323846 -#define M_TWOPI (M_PI * 2.0) #define M_PI_2 1.57079632679489661923 #define M_PI_4 0.78539816339744830962 -#define M_3PI_4 2.3561944901923448370E0 -#define M_SQRTPI 1.77245385090551602792981 #define M_1_PI 0.31830988618379067154 #define M_2_PI 0.63661977236758134308 #define M_2_SQRTPI 1.12837916709551257390 #define M_SQRT2 1.41421356237309504880 #define M_SQRT1_2 0.70710678118654752440 + +#endif + +#ifndef __STRICT_ANSI__ + +#define M_TWOPI (M_PI * 2.0) +#define M_3PI_4 2.3561944901923448370E0 +#define M_SQRTPI 1.77245385090551602792981 #define M_LN2LO 1.9082149292705877000E-10 #define M_LN2HI 6.9314718036912381649E-1 #define M_SQRT3 1.73205080756887719000 |