258 lines
6.8 KiB
C
258 lines
6.8 KiB
C
#ifndef _MATH_H
|
|
#define _MATH_H 1
|
|
|
|
// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html
|
|
|
|
#include <sys/cdefs.h>
|
|
|
|
__BEGIN_DECLS
|
|
|
|
#ifndef FLT_EVAL_METHOD
|
|
#define FLT_EVAL_METHOD 0
|
|
#endif
|
|
|
|
#if FLT_EVAL_METHOD == 0
|
|
typedef float float_t;
|
|
typedef double double_t;
|
|
#elif FLT_EVAL_METHOD == 1
|
|
typedef double float_t;
|
|
typedef double double_t;
|
|
#elif FLT_EVAL_METHOD == 2
|
|
typedef long double float_t;
|
|
typedef long double double_t;
|
|
#endif
|
|
|
|
// FIXME: define these
|
|
#if 0
|
|
int fpclassify(real-floating x);
|
|
int isfinite(real-floating x);
|
|
int isgreater(real-floating x, real-floating y);
|
|
int isgreaterequal(real-floating x, real-floating y);
|
|
int isinf(real-floating x);
|
|
int isless(real-floating x, real-floating y);
|
|
int islessequal(real-floating x, real-floating y);
|
|
int islessgreater(real-floating x, real-floating y);
|
|
int isnan(real-floating x);
|
|
int isnormal(real-floating x);
|
|
int isunordered(real-floating x, real-floating y);
|
|
int signbit(real-floating x);
|
|
#endif
|
|
|
|
#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 HUGE_VAL 1e10000
|
|
#define HUGE_VALF 1e10000f
|
|
#define HUGE_VALL 1e10000L
|
|
#define INFINITY HUGE_VALf
|
|
#define NAN (0.0f / 0.0f)
|
|
|
|
#define FP_INFINITE 0
|
|
#define FP_NAN 1
|
|
#define FP_NORMAL 2
|
|
#define FP_SUBNORMAL 3
|
|
#define FP_ZERO 4
|
|
|
|
#define FP_ILOGB0 -2147483647
|
|
#define FP_ILOGBNAN +2147483647
|
|
|
|
#define MATH_ERRNO 1
|
|
#define MATH_ERREXCEPT 2
|
|
|
|
#define math_errhandling (MATH_ERRNO | MATH_ERREXCEPT)
|
|
|
|
double acos(double);
|
|
float acosf(float);
|
|
double acosh(double);
|
|
float acoshf(float);
|
|
long double acoshl(long double);
|
|
long double acosl(long double);
|
|
double asin(double);
|
|
float asinf(float);
|
|
double asinh(double);
|
|
float asinhf(float);
|
|
long double asinhl(long double);
|
|
long double asinl(long double);
|
|
double atan(double);
|
|
double atan2(double, double);
|
|
float atan2f(float, float);
|
|
long double atan2l(long double, long double);
|
|
float atanf(float);
|
|
double atanh(double);
|
|
float atanhf(float);
|
|
long double atanhl(long double);
|
|
long double atanl(long double);
|
|
double cbrt(double);
|
|
float cbrtf(float);
|
|
long double cbrtl(long double);
|
|
double ceil(double);
|
|
float ceilf(float);
|
|
long double ceill(long double);
|
|
double copysign(double, double);
|
|
float copysignf(float, float);
|
|
long double copysignl(long double, long double);
|
|
double cos(double);
|
|
float cosf(float);
|
|
double cosh(double);
|
|
float coshf(float);
|
|
long double coshl(long double);
|
|
long double cosl(long double);
|
|
double erf(double);
|
|
double erfc(double);
|
|
float erfcf(float);
|
|
long double erfcl(long double);
|
|
float erff(float);
|
|
long double erfl(long double);
|
|
double exp(double);
|
|
double exp2(double);
|
|
float exp2f(float);
|
|
long double exp2l(long double);
|
|
float expf(float);
|
|
long double expl(long double);
|
|
double expm1(double);
|
|
float expm1f(float);
|
|
long double expm1l(long double);
|
|
double fabs(double);
|
|
float fabsf(float);
|
|
long double fabsl(long double);
|
|
double fdim(double, double);
|
|
float fdimf(float, float);
|
|
long double fdiml(long double, long double);
|
|
double floor(double);
|
|
float floorf(float);
|
|
long double floorl(long double);
|
|
double fma(double, double, double);
|
|
float fmaf(float, float, float);
|
|
long double fmal(long double, long double, long double);
|
|
double fmax(double, double);
|
|
float fmaxf(float, float);
|
|
long double fmaxl(long double, long double);
|
|
double fmin(double, double);
|
|
float fminf(float, float);
|
|
long double fminl(long double, long double);
|
|
double fmod(double, double);
|
|
float fmodf(float, float);
|
|
long double fmodl(long double, long double);
|
|
double frexp(double, int*);
|
|
float frexpf(float, int*);
|
|
long double frexpl(long double, int*);
|
|
double hypot(double, double);
|
|
float hypotf(float, float);
|
|
long double hypotl(long double, long double);
|
|
int ilogb(double);
|
|
int ilogbf(float);
|
|
int ilogbl(long double);
|
|
double j0(double);
|
|
double j1(double);
|
|
double jn(int, double);
|
|
double ldexp(double, int);
|
|
float ldexpf(float, int);
|
|
long double ldexpl(long double, int);
|
|
double lgamma(double);
|
|
float lgammaf(float);
|
|
long double lgammal(long double);
|
|
long long llrint(double);
|
|
long long llrintf(float);
|
|
long long llrintl(long double);
|
|
long long llround(double);
|
|
long long llroundf(float);
|
|
long long llroundl(long double);
|
|
double log(double);
|
|
double log10(double);
|
|
float log10f(float);
|
|
long double log10l(long double);
|
|
double log1p(double);
|
|
float log1pf(float);
|
|
long double log1pl(long double);
|
|
double log2(double);
|
|
float log2f(float);
|
|
long double log2l(long double);
|
|
double logb(double);
|
|
float logbf(float);
|
|
long double logbl(long double);
|
|
float logf(float);
|
|
long double logl(long double);
|
|
long lrint(double);
|
|
long lrintf(float);
|
|
long lrintl(long double);
|
|
long lround(double);
|
|
long lroundf(float);
|
|
long lroundl(long double);
|
|
double modf(double, double*);
|
|
float modff(float, float*);
|
|
long double modfl(long double, long double*);
|
|
double nan(const char*);
|
|
float nanf(const char*);
|
|
long double nanl(const char*);
|
|
double nearbyint(double);
|
|
float nearbyintf(float);
|
|
long double nearbyintl(long double);
|
|
double nextafter(double, double);
|
|
float nextafterf(float, float);
|
|
long double nextafterl(long double, long double);
|
|
double nexttoward(double, long double);
|
|
float nexttowardf(float, long double);
|
|
long double nexttowardl(long double, long double);
|
|
double pow(double, double);
|
|
float powf(float, float);
|
|
long double powl(long double, long double);
|
|
double remainder(double, double);
|
|
float remainderf(float, float);
|
|
long double remainderl(long double, long double);
|
|
double remquo(double, double, int*);
|
|
float remquof(float, float, int*);
|
|
long double remquol(long double, long double, int*);
|
|
double rint(double);
|
|
float rintf(float);
|
|
long double rintl(long double);
|
|
double round(double);
|
|
float roundf(float);
|
|
long double roundl(long double);
|
|
double scalbln(double, long);
|
|
float scalblnf(float, long);
|
|
long double scalblnl(long double, long);
|
|
double scalbn(double, int);
|
|
float scalbnf(float, int);
|
|
long double scalbnl(long double, int);
|
|
double sin(double);
|
|
float sinf(float);
|
|
double sinh(double);
|
|
float sinhf(float);
|
|
long double sinhl(long double);
|
|
long double sinl(long double);
|
|
double sqrt(double);
|
|
float sqrtf(float);
|
|
long double sqrtl(long double);
|
|
double tan(double);
|
|
float tanf(float);
|
|
double tanh(double);
|
|
float tanhf(float);
|
|
long double tanhl(long double);
|
|
long double tanl(long double);
|
|
double tgamma(double);
|
|
float tgammaf(float);
|
|
long double tgammal(long double);
|
|
double trunc(double);
|
|
float truncf(float);
|
|
long double truncl(long double);
|
|
double y0(double);
|
|
double y1(double);
|
|
double yn(int, double);
|
|
|
|
extern int signgam;
|
|
|
|
__END_DECLS
|
|
|
|
#endif
|