258 lines
6.8 KiB
C
258 lines
6.8 KiB
C
#ifndef _MATH_H
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#define _MATH_H 1
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// https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/math.h.html
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#include <sys/cdefs.h>
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__BEGIN_DECLS
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#ifndef FLT_EVAL_METHOD
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#define FLT_EVAL_METHOD 0
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#endif
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#if FLT_EVAL_METHOD == 0
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typedef float float_t;
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typedef double double_t;
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#elif FLT_EVAL_METHOD == 1
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typedef double float_t;
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typedef double double_t;
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#elif FLT_EVAL_METHOD == 2
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typedef long double float_t;
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typedef long double double_t;
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#endif
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// FIXME: define these
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#if 0
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int fpclassify(real-floating x);
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int isfinite(real-floating x);
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int isgreater(real-floating x, real-floating y);
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int isgreaterequal(real-floating x, real-floating y);
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int isinf(real-floating x);
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int isless(real-floating x, real-floating y);
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int islessequal(real-floating x, real-floating y);
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int islessgreater(real-floating x, real-floating y);
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int isnan(real-floating x);
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int isnormal(real-floating x);
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int isunordered(real-floating x, real-floating y);
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int signbit(real-floating x);
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#endif
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#define M_E 2.7182818284590452354
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#define M_LOG2E 1.4426950408889634074
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#define M_LOG10E 0.43429448190325182765
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#define M_LN2 0.69314718055994530942
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#define M_LN10 2.30258509299404568402
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#define M_PI 3.14159265358979323846
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#define M_PI_2 1.57079632679489661923
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#define M_PI_4 0.78539816339744830962
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#define M_1_PI 0.31830988618379067154
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#define M_2_PI 0.63661977236758134308
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#define M_2_SQRTPI 1.12837916709551257390
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#define M_SQRT2 1.41421356237309504880
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#define M_SQRT1_2 0.70710678118654752440
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#define HUGE_VAL 1e10000
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#define HUGE_VALF 1e10000f
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#define HUGE_VALL 1e10000L
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#define INFINITY HUGE_VALF
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#define NAN (0.0f / 0.0f)
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#define FP_INFINITE 0
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#define FP_NAN 1
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#define FP_NORMAL 2
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#define FP_SUBNORMAL 3
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#define FP_ZERO 4
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#define FP_ILOGB0 -2147483647
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#define FP_ILOGBNAN +2147483647
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#define MATH_ERRNO 1
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#define MATH_ERREXCEPT 2
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#define math_errhandling (MATH_ERRNO | MATH_ERREXCEPT)
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double acos(double);
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float acosf(float);
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double acosh(double);
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float acoshf(float);
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long double acoshl(long double);
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long double acosl(long double);
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double asin(double);
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float asinf(float);
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double asinh(double);
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float asinhf(float);
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long double asinhl(long double);
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long double asinl(long double);
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double atan(double);
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double atan2(double, double);
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float atan2f(float, float);
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long double atan2l(long double, long double);
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float atanf(float);
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double atanh(double);
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float atanhf(float);
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long double atanhl(long double);
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long double atanl(long double);
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double cbrt(double);
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float cbrtf(float);
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long double cbrtl(long double);
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double ceil(double);
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float ceilf(float);
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long double ceill(long double);
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double copysign(double, double);
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float copysignf(float, float);
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long double copysignl(long double, long double);
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double cos(double);
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float cosf(float);
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double cosh(double);
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float coshf(float);
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long double coshl(long double);
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long double cosl(long double);
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double erf(double);
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double erfc(double);
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float erfcf(float);
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long double erfcl(long double);
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float erff(float);
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long double erfl(long double);
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double exp(double);
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double exp2(double);
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float exp2f(float);
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long double exp2l(long double);
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float expf(float);
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long double expl(long double);
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double expm1(double);
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float expm1f(float);
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long double expm1l(long double);
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double fabs(double);
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float fabsf(float);
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long double fabsl(long double);
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double fdim(double, double);
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float fdimf(float, float);
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long double fdiml(long double, long double);
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double floor(double);
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float floorf(float);
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long double floorl(long double);
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double fma(double, double, double);
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float fmaf(float, float, float);
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long double fmal(long double, long double, long double);
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double fmax(double, double);
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float fmaxf(float, float);
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long double fmaxl(long double, long double);
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double fmin(double, double);
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float fminf(float, float);
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long double fminl(long double, long double);
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double fmod(double, double);
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float fmodf(float, float);
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long double fmodl(long double, long double);
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double frexp(double, int*);
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float frexpf(float, int*);
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long double frexpl(long double, int*);
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double hypot(double, double);
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float hypotf(float, float);
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long double hypotl(long double, long double);
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int ilogb(double);
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int ilogbf(float);
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int ilogbl(long double);
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double j0(double);
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double j1(double);
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double jn(int, double);
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double ldexp(double, int);
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float ldexpf(float, int);
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long double ldexpl(long double, int);
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double lgamma(double);
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float lgammaf(float);
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long double lgammal(long double);
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long long llrint(double);
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long long llrintf(float);
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long long llrintl(long double);
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long long llround(double);
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long long llroundf(float);
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long long llroundl(long double);
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double log(double);
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double log10(double);
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float log10f(float);
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long double log10l(long double);
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double log1p(double);
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float log1pf(float);
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long double log1pl(long double);
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double log2(double);
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float log2f(float);
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long double log2l(long double);
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double logb(double);
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float logbf(float);
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long double logbl(long double);
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float logf(float);
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long double logl(long double);
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long lrint(double);
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long lrintf(float);
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long lrintl(long double);
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long lround(double);
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long lroundf(float);
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long lroundl(long double);
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double modf(double, double*);
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float modff(float, float*);
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long double modfl(long double, long double*);
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double nan(const char*);
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float nanf(const char*);
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long double nanl(const char*);
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double nearbyint(double);
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float nearbyintf(float);
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long double nearbyintl(long double);
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double nextafter(double, double);
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float nextafterf(float, float);
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long double nextafterl(long double, long double);
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double nexttoward(double, long double);
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float nexttowardf(float, long double);
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long double nexttowardl(long double, long double);
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double pow(double, double);
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float powf(float, float);
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long double powl(long double, long double);
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double remainder(double, double);
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float remainderf(float, float);
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long double remainderl(long double, long double);
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double remquo(double, double, int*);
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float remquof(float, float, int*);
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long double remquol(long double, long double, int*);
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double rint(double);
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float rintf(float);
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long double rintl(long double);
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double round(double);
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float roundf(float);
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long double roundl(long double);
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double scalbln(double, long);
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float scalblnf(float, long);
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long double scalblnl(long double, long);
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double scalbn(double, int);
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float scalbnf(float, int);
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long double scalbnl(long double, int);
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double sin(double);
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float sinf(float);
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double sinh(double);
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float sinhf(float);
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long double sinhl(long double);
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long double sinl(long double);
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double sqrt(double);
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float sqrtf(float);
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long double sqrtl(long double);
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double tan(double);
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float tanf(float);
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double tanh(double);
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float tanhf(float);
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long double tanhl(long double);
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long double tanl(long double);
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double tgamma(double);
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float tgammaf(float);
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long double tgammal(long double);
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double trunc(double);
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float truncf(float);
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long double truncl(long double);
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double y0(double);
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double y1(double);
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double yn(int, double);
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extern int signgam;
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__END_DECLS
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#endif
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