math.h

Go to the documentation of this file.

#ifndef _MATH_H
#define _MATH_H 1
 
#if defined(__cplusplus)
extern "C"
{
#endif
 
#include "_internal/config.h"
 
#define M_PI 3.14159265358979323846
#define M_PI_2 1.57079632679489661923
#define M_PI_4 0.78539816339744830962
 
#define HUGE_VALF (1.0f / 0.0f)
#define HUGE_VAL (1.0 / 0.0)
#define HUGE_VALL (1.0L / 0.0L)
 
#define INFINITY (1.0f / 0.0f)
#define NAN (-(0.0f / 0.0f))
 
// #define FP_FAST_FMAF
// #define FP_FAST_FMA
// #define FP_FAST_FMAL
 
#define FP_ILOGB0 INT_MIN
#define FP_ILOGBNAN INT_MAX
 
#define MATH_ERRNO 1
#define MATH_ERREXCEPT 2
 
// I cant be bothered to implement floating point exceptions
#define math_errhandling (MATH_ERRNO)
 
#define isfinite(x) __builtin_isfinite(x)
 
#define isinf(x) __builtin_isinf(x)
 
#define isnan(x) __builtin_isnan(x)
 
#define isnormal(x) __builtin_isnormal(x)
 
#define signbit(x) __builtin_signbit(x)
 
#define fpclassify(x) __builtin_fpclassify(FP_INFINITE, FP_NAN, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, x)
 
#define isgreater(x, y) __builtin_isgreater(x, y)
 
#define isgreaterequal(x, y) __builtin_isgreaterequal(x, y)
 
#define isless(x, y) __builtin_isless(x, y)
 
#define islessequal(x, y) __builtin_islessequal(x, y)
 
#define islessgreater(x, y) __builtin_islessgreater(x, y)
 
#define isunordered(x, y) __builtin_isunordered(x, y)
 
#define FP_INFINITE 1
#define FP_NAN 2
#define FP_NORMAL 3
#define FP_SUBNORMAL 4
#define FP_ZERO 5
 
double acos(double x);
float acosf(float x);
long double acosl(long double x);
 
double asin(double x);
float asinf(float x);
long double asinl(long double x);
 
double atan(double x);
float atanf(float x);
long double atanl(long double x);
 
double atan2(double y, double x);
float atan2f(float y, float x);
long double atan2l(long double y, long double x);
 
double cos(double x);
float cosf(float x);
long double cosl(long double x);
 
double sin(double x);
float sinf(float x);
long double sinl(long double x);
 
double tan(double x);
float tanf(float x);
long double tanl(long double x);
 
double acosh(double x);
float acoshf(float x);
long double acoshl(long double x);
 
double asinh(double x);
float asinhf(float x);
long double asinhl(long double x);
 
double atanh(double x);
float atanhf(float x);
long double atanhl(long double x);
 
double cosh(double x);
float coshf(float x);
long double coshl(long double x);
 
double sinh(double x);
float sinhf(float x);
long double sinhl(long double x);
 
double tanh(double x);
float tanhf(float x);
long double tanhl(long double x);
 
double exp(double x);
float expf(float x);
long double expl(long double x);
 
double exp2(double x);
float exp2f(float x);
long double exp2l(long double x);
 
double expm1(double x);
float expm1f(float x);
long double expm1l(long double x);
 
double frexp(double value, int* exp);
float frexpf(float value, int* exp);
long double frexpl(long double value, int* exp);
 
double ilogb(double x);
float ilogbf(float x);
long double ilogbl(long double x);
 
double ldexp(double x, int exp);
float ldexpf(float x, int exp);
long double ldexpl(long double x, int exp);
 
double log(double x);
float logf(float x);
long double logl(long double x);
 
double log10(double x);
float log10f(float x);
long double log10l(long double x);
 
double log1p(double x);
float log1pf(float x);
long double log1pl(long double x);
 
double log2(double x);
float log2f(float x);
long double log2l(long double x);
 
double logb(double x);
float logbf(float x);
long double logbl(long double x);
 
double modf(double value, double* iptr);
float modff(float value, float* iptr);
long double modfl(long double value, long double* iptr);
 
double scalbn(double x, int n);
float scalbnf(float x, int n);
long double scalbnl(long double x, int n);
 
double scalbln(double x, long int* n);
float scalblnf(float x, long int* n);
long double scalblnl(long double x, long int* n);
 
double cbrt(double x);
float cbrtf(float x);
long double cbrtl(long double x);
 
double fabs(double x);
float fabsf(float x);
long double fabsl(long double x);
 
double hypot(double x, double y);
float hypotf(float x, float y);
long double hypotl(long double x, long double y);
 
double pow(double x, double y);
float powf(float x, float y);
long double powl(long double x, long double y);
 
double sqrt(double x);
float sqrtf(float x);
long double sqrtl(long double x);
 
double erf(double x);
float erff(float x);
long double erfl(long double x);
 
double erfc(double x);
float erfcf(float x);
long double erfcl(long double x);
 
double lgamma(double x);
float lgammaf(float x);
long double lgammal(long double x);
 
double tgamma(double x);
float tgammaf(float x);
long double tgammal(long double x);
 
double ceil(double x);
float ceilf(float x);
long double ceill(long double x);
 
double floor(double x);
float floorf(float x);
long double floorl(long double x);
 
double nearbyint(double x);
float nearbyintf(float x);
long double nearbyintl(long double x);
 
double rint(double x);
float rintf(float x);
long double rintl(long double x);
 
long int lrint(double x);
long int lrintf(float x);
long int lrintl(long double x);
long long int llrint(double x);
long long int llrintf(float x);
long long int llrintl(long double x);
 
double round(double x);
float roundf(float x);
long double roundl(long double x);
 
long int lround(double x);
long int lroundf(float x);
long int lroundl(long double x);
long long int llround(double x);
long long int llroundf(float x);
long long int llroundl(long double x);
 
double trunc(double x);
float truncf(float x);
long double truncl(long double x);
 
double fmod(double x, double y);
float fmodf(float x, float y);
long double fmodl(long double x, long double y);
 
double remainder(double x, double y);
float remainderf(float x, float y);
long double remainderl(long double x, long double y);
 
double rmquo(double x, double y);
float rmquof(float x, float y);
long double rmquol(long double x, long double y);
 
double copysign(double x, double y);
float copysignf(float x, float y);
long double copysignl(long double x, long double y);
 
double nan(const char* tagp);
float nanf(const char* tagp);
long double nanl(const char* tagp);
 
double nextafter(double x, double y);
float nextafterf(float x, float y);
long double nextafterl(long double x, long double y);
 
double nexttoward(double x, double y);
float nexttowardf(float x, float y);
long double nexttowardl(long double x, long double y);
 
double fdim(double x, double y);
float fdimf(float x, float y);
long double fdiml(long double x, long double y);
 
double fmax(double x, double y);
float fmaxf(float x, float y);
long double fmaxl(long double x, long double y);
 
double fmin(double x, double y);
float fminf(float x, float y);
long double fminl(long double x, long double y);
 
double fma(double x, double y, double z);
float fmaf(float x, float y, float z);
long double fmal(long double x, long double y, long double z);
 
#if defined(__cplusplus)
}
#endif
 
#endif