/* * ==================================================== * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved. * * Developed at SunPro, a Sun Microsystems, Inc. business. * Permission to use, copy, modify, and distribute this * software is freely granted, provided that this notice * is preserved. * ==================================================== */ /* * from: @(#)fdlibm.h 5.1 93/09/24 * $FreeBSD$ */ #ifndef _MATH_H_ #define _MATH_H_ #include #include __BEGIN_DECLS #pragma GCC visibility push(default) #define HUGE_VAL __builtin_huge_val() #if __ISO_C_VISIBLE >= 1999 #define FP_ILOGB0 (-INT_MAX) #define FP_ILOGBNAN INT_MAX #define HUGE_VALF __builtin_huge_valf() #define HUGE_VALL __builtin_huge_vall() #define INFINITY __builtin_inff() #define NAN __builtin_nanf("") #define MATH_ERRNO 1 #define MATH_ERREXCEPT 2 #define math_errhandling MATH_ERREXCEPT #if defined(__FP_FAST_FMA) #define FP_FAST_FMA 1 #endif #if defined(__FP_FAST_FMAF) #define FP_FAST_FMAF 1 #endif #if defined(__FP_FAST_FMAL) #define FP_FAST_FMAL 1 #endif /* Symbolic constants to classify floating point numbers. */ #define FP_INFINITE 0x01 #define FP_NAN 0x02 #define FP_NORMAL 0x04 #define FP_SUBNORMAL 0x08 #define FP_ZERO 0x10 #define fpclassify(x) \ __builtin_fpclassify(FP_NAN, FP_INFINITE, FP_NORMAL, FP_SUBNORMAL, FP_ZERO, x) #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 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 signbit(x) \ ((sizeof(x) == sizeof(float)) ? __builtin_signbitf(x) \ : (sizeof(x) == sizeof(double)) ? __builtin_signbit(x) \ : __builtin_signbitl(x)) typedef double __double_t; typedef __double_t double_t; typedef float __float_t; typedef __float_t float_t; #endif /* __ISO_C_VISIBLE >= 1999 */ /* * XOPEN/SVID */ #if __BSD_VISIBLE || __XSI_VISIBLE #define M_E 2.7182818284590452354 /* e */ #define M_LOG2E 1.4426950408889634074 /* log 2e */ #define M_LOG10E 0.43429448190325182765 /* log 10e */ #define M_LN2 0.69314718055994530942 /* log e2 */ #define M_LN10 2.30258509299404568402 /* log e10 */ #define M_PI 3.14159265358979323846 /* pi */ #define M_PI_2 1.57079632679489661923 /* pi/2 */ #define M_PI_4 0.78539816339744830962 /* pi/4 */ #define M_1_PI 0.31830988618379067154 /* 1/pi */ #define M_2_PI 0.63661977236758134308 /* 2/pi */ #define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */ #define M_SQRT2 1.41421356237309504880 /* sqrt(2) */ #define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */ #define MAXFLOAT ((float)3.40282346638528860e+38) extern int signgam; #endif /* __BSD_VISIBLE || __XSI_VISIBLE */ #if __USE_GNU #define M_El 2.718281828459045235360287471352662498L /* e */ #define M_LOG2El 1.442695040888963407359924681001892137L /* log 2e */ #define M_LOG10El 0.434294481903251827651128918916605082L /* log 10e */ #define M_LN2l 0.693147180559945309417232121458176568L /* log e2 */ #define M_LN10l 2.302585092994045684017991454684364208L /* log e10 */ #define M_PIl 3.141592653589793238462643383279502884L /* pi */ #define M_PI_2l 1.570796326794896619231321691639751442L /* pi/2 */ #define M_PI_4l 0.785398163397448309615660845819875721L /* pi/4 */ #define M_1_PIl 0.318309886183790671537767526745028724L /* 1/pi */ #define M_2_PIl 0.636619772367581343075535053490057448L /* 2/pi */ #define M_2_SQRTPIl 1.128379167095512573896158903121545172L /* 2/sqrt(pi) */ #define M_SQRT2l 1.414213562373095048801688724209698079L /* sqrt(2) */ #define M_SQRT1_2l 0.707106781186547524400844362104849039L /* 1/sqrt(2) */ #endif #if __BSD_VISIBLE #if 0 /* Old value from 4.4BSD-Lite math.h; this is probably better. */ #define HUGE HUGE_VAL #else #define HUGE MAXFLOAT #endif #endif /* __BSD_VISIBLE */ /* scalbln, scalbnf, and scalblnl were unavailable on x86 until API level 18 */ #if defined(__i386__) #define __INTRODUCED_IN_X86 __INTRODUCED_IN #else #define __INTRODUCED_IN_X86(x) #endif /* * Most of these functions depend on the rounding mode and have the side * effect of raising floating-point exceptions, so they are not declared * as __pure2. In C99, FENV_ACCESS affects the purity of these functions. */ /* * ANSI/POSIX */ int __fpclassifyd(double) __pure2; int __fpclassifyf(float) __pure2; int __fpclassifyl(long double) __pure2; int __isfinitef(float) __pure2; int __isfinite(double) __pure2; int __isfinitel(long double) __pure2; int __isinff(float) __pure2; int __isinfl(long double) __pure2; int __isnanf(float) __pure2 __INTRODUCED_IN(21); int __isnanl(long double) __pure2; int __isnormalf(float) __pure2; int __isnormal(double) __pure2; int __isnormall(long double) __pure2; int __signbit(double) __pure2; int __signbitf(float) __pure2; int __signbitl(long double) __pure2; double acos(double); double asin(double); double atan(double); double atan2(double, double); double cos(double); double sin(double); double tan(double); double cosh(double); double sinh(double); double tanh(double); double exp(double); double frexp(double, int *); /* fundamentally !__pure2 */ double ldexp(double, int); double log(double); double log10(double); double modf(double, double *); /* fundamentally !__pure2 */ double pow(double, double); double sqrt(double); double ceil(double); double fabs(double) __pure2; double floor(double); double fmod(double, double); /* * These functions are not in C90. */ #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE double acosh(double); double asinh(double); double atanh(double); double cbrt(double); double erf(double); double erfc(double); double exp2(double); double expm1(double); double fma(double, double, double); double hypot(double, double); int ilogb(double) __pure2; int(isinf)(double) __pure2 __INTRODUCED_IN(21); int (isnan)(double) __pure2; double lgamma(double); long long llrint(double); long long llround(double); double log1p(double); double log2(double) __INTRODUCED_IN(18); double logb(double); long lrint(double); long lround(double); double nan(const char*) __pure2 __INTRODUCED_IN(13); double nextafter(double, double); double remainder(double, double); double remquo(double, double, int *); double rint(double); #endif /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */ #if __BSD_VISIBLE || __XSI_VISIBLE double j0(double); double j1(double); double jn(int, double); double y0(double); double y1(double); double yn(int, double); #if __XSI_VISIBLE <= 500 || __BSD_VISIBLE double gamma(double); #endif #if __XSI_VISIBLE <= 600 || __BSD_VISIBLE double scalb(double, double); #endif #endif /* __BSD_VISIBLE || __XSI_VISIBLE */ #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 double copysign(double, double) __pure2; double fdim(double, double); double fmax(double, double) __pure2; double fmin(double, double) __pure2; double nearbyint(double); double round(double); double scalbln(double, long); double scalbn(double, int) __INTRODUCED_IN_X86(18); double tgamma(double); double trunc(double); #endif /* * BSD math library entry points */ #if __BSD_VISIBLE double drem(double, double); int finite(double) __pure2; int isnanf(float) __pure2; long double significandl(long double) __INTRODUCED_IN(21); /* * Reentrant version of gamma & lgamma; passes signgam back by reference * as the second argument; user must allocate space for signgam. */ double gamma_r(double, int *); double lgamma_r(double, int *); /* * IEEE Test Vector */ double significand(double); #endif /* __BSD_VISIBLE */ /* float versions of ANSI/POSIX functions */ #if __ISO_C_VISIBLE >= 1999 float acosf(float); float asinf(float); float atanf(float); float atan2f(float, float); float cosf(float); float sinf(float); float tanf(float); float coshf(float); float sinhf(float); float tanhf(float); float exp2f(float); float expf(float); float expm1f(float); float frexpf(float, int *); /* fundamentally !__pure2 */ int ilogbf(float) __pure2; float ldexpf(float, int); float log10f(float); float log1pf(float); float log2f(float) __INTRODUCED_IN(18); float logf(float); float modff(float, float *); /* fundamentally !__pure2 */ float powf(float, float); float sqrtf(float); float ceilf(float); float fabsf(float) __pure2; float floorf(float); float fmodf(float, float); float roundf(float); float erff(float); float erfcf(float); float hypotf(float, float); float lgammaf(float); float tgammaf(float) __INTRODUCED_IN(13); float acoshf(float); float asinhf(float); float atanhf(float); float cbrtf(float); float logbf(float); float copysignf(float, float) __pure2; long long llrintf(float); long long llroundf(float); long lrintf(float); long lroundf(float); float nanf(const char*) __pure2 __INTRODUCED_IN(13); float nearbyintf(float); float nextafterf(float, float); float remainderf(float, float); float remquof(float, float, int *); float rintf(float); float scalblnf(float, long); float scalbnf(float, int) __INTRODUCED_IN_X86(18); float truncf(float); float fdimf(float, float); float fmaf(float, float, float); float fmaxf(float, float) __pure2; float fminf(float, float) __pure2; #endif /* * float versions of BSD math library entry points */ #if __BSD_VISIBLE float dremf(float, float); int finitef(float) __pure2; float gammaf(float); float j0f(float); float j1f(float); float jnf(int, float); float scalbf(float, float); float y0f(float); float y1f(float); float ynf(int, float); /* * Float versions of reentrant version of gamma & lgamma; passes * signgam back by reference as the second argument; user must * allocate space for signgam. */ float gammaf_r(float, int *); float lgammaf_r(float, int *); /* * float version of IEEE Test Vector */ float significandf(float); #endif /* __BSD_VISIBLE */ /* * long double versions of ISO/POSIX math functions */ #if __ISO_C_VISIBLE >= 1999 long double acoshl(long double) __INTRODUCED_IN(21); long double acosl(long double) __INTRODUCED_IN(21); long double asinhl(long double) __INTRODUCED_IN(21); long double asinl(long double) __INTRODUCED_IN(21); long double atan2l(long double, long double) __INTRODUCED_IN(21); long double atanhl(long double) __INTRODUCED_IN(21); long double atanl(long double) __INTRODUCED_IN(21); long double cbrtl(long double) __INTRODUCED_IN(21); long double ceill(long double); long double copysignl(long double, long double) __pure2; long double coshl(long double) __INTRODUCED_IN(21); long double cosl(long double) __INTRODUCED_IN(21); long double erfcl(long double) __INTRODUCED_IN(21); long double erfl(long double) __INTRODUCED_IN(21); long double exp2l(long double) __INTRODUCED_IN(21); long double expl(long double) __INTRODUCED_IN(21); long double expm1l(long double) __INTRODUCED_IN(21); long double fabsl(long double) __pure2; long double fdiml(long double, long double); long double floorl(long double); long double fmal(long double, long double, long double) __INTRODUCED_IN(21); long double fmaxl(long double, long double) __pure2; long double fminl(long double, long double) __pure2; long double fmodl(long double, long double) __INTRODUCED_IN(21); long double frexpl(long double value, int*) __INTRODUCED_IN(21); /* fundamentally !__pure2 */ long double hypotl(long double, long double) __INTRODUCED_IN(21); int ilogbl(long double) __pure2; long double ldexpl(long double, int); long double lgammal(long double) __INTRODUCED_IN(21); long long llrintl(long double) __INTRODUCED_IN(21); long long llroundl(long double); long double log10l(long double) __INTRODUCED_IN(21); long double log1pl(long double) __INTRODUCED_IN(21); long double log2l(long double) __INTRODUCED_IN(18); long double logbl(long double) __INTRODUCED_IN(18); long double logl(long double) __INTRODUCED_IN(21); long lrintl(long double) __INTRODUCED_IN(21); long lroundl(long double); long double modfl(long double, long double*) __INTRODUCED_IN(21); /* fundamentally !__pure2 */ long double nanl(const char*) __pure2 __INTRODUCED_IN(13); long double nearbyintl(long double) __INTRODUCED_IN(21); long double nextafterl(long double, long double) __INTRODUCED_IN(21); double nexttoward(double, long double) __INTRODUCED_IN(18); float nexttowardf(float, long double); long double nexttowardl(long double, long double) __INTRODUCED_IN(18); long double powl(long double, long double) __INTRODUCED_IN(21); long double remainderl(long double, long double) __INTRODUCED_IN(21); long double remquol(long double, long double, int*) __INTRODUCED_IN(21); long double rintl(long double) __INTRODUCED_IN(21); long double roundl(long double); long double scalblnl(long double, long); long double scalbnl(long double, int) __INTRODUCED_IN_X86(18); long double sinhl(long double) __INTRODUCED_IN(21); long double sinl(long double) __INTRODUCED_IN(21); long double sqrtl(long double) __INTRODUCED_IN(21); long double tanhl(long double) __INTRODUCED_IN(21); long double tanl(long double) __INTRODUCED_IN(21); long double tgammal(long double) __INTRODUCED_IN(21); long double truncl(long double); #endif /* __ISO_C_VISIBLE >= 1999 */ #if __BSD_VISIBLE long double lgammal_r(long double, int*) __INTRODUCED_IN(23); #endif #if defined(__USE_GNU) void sincos(double, double*, double*); void sincosf(float, float*, float*); void sincosl(long double, long double*, long double*); #endif /* __USE_GNU */ #pragma GCC visibility pop __END_DECLS #endif /* !_MATH_H_ */