/* math.h -- Definitions for the math floating point package. */ #ifndef _MATH_H_ #ifdef __cplusplus extern "C" { #endif #define _MATH_H_ #include "_ansi.h" #ifndef __STRICT_ANSI__ #define __signgam_r(ptr) ((ptr)->_new._reent._gamma_signgam) /* Values for the type field of struct exception. */ #define DOMAIN 1 #define SING 2 #define OVERFLOW 3 #define UNDERFLOW 4 #define TLOSS 5 #define PLOSS 6 /* Useful constants. */ #define M_E 2.7182818284590452354 #define M_LOG2E 1.4426950408889634074 #define M_LOG10E 0.43429448190325182765 #define M_LN2 0.69314718055994530942 #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 #define M_LN2LO 1.9082149292705877000E-10 #define M_LN2HI 6.9314718036912381649E-1 #define M_SQRT3 1.73205080756887719000 #define M_IVLN10 0.43429448190325182765 /* 1 / log(10) */ #define M_LOG2_E 0.693147180559945309417 #define M_INVLN2 1.4426950408889633870E0 /* 1 / log(2) */ #endif /* ! defined (__STRICT_ANSI__) */ #ifdef __cplusplus } #endif #endif /* _MATH_H_ */