/* Copyright (C) 1999 DJ Delorie, see http://www.delorie.com/copyright.html for details */ /* Copyright (C) 1998 DJ Delorie, see http://www.delorie.com/copyright.html for details */ /* Copyright (C) 1995 DJ Delorie, see http://www.delorie.com/copyright.html for details */ #ifndef _MATH_H #define _MATH_H extern double acos(double _x); extern double asin(double _x); extern double atan(double _x); extern double atan2(double _y, double _x); extern float ceilf(float); extern double ceil(double _x); extern double cos(double _x); extern double cosh(double _x); extern double exp(double _x); extern double exp2(double _x); extern double fabs(double _x); extern float fabsf(float); extern double floor(double _x); extern float floorf(float); extern double fmod(double _x, double _y); extern double frexp(double _x, int *_pexp); extern double ldexp(double _x, int _exp); extern double remainder(double, double); extern double log(double _y); extern double log10(double _x); extern double modf(double _x, double *_pint); extern double pow(double _x, double _y); extern double sin(double _x); extern double sinh(double _x); extern double sqrt(double _x); extern float sqrtf(float); extern double tan(double _x); extern double tanh(double _x); extern double round(double x); extern long double roundl (long double x); #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_PI_2 1.57079632679489661923 #define M_PI_4 0.78539816339744830962 #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 PI M_PI #define PI2 M_PI_2 #endif