/* * ==================================================== * 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: src/lib/msun/src/openlibm.h,v 1.82 2011/11/12 19:55:48 theraven Exp $ */ #ifdef OPENLIBM_USE_HOST_MATH_H #include #else /* !OPENLIBM_USE_HOST_MATH_H */ #ifndef OPENLIBM_MATH_H #define OPENLIBM_MATH_H #if (defined(_WIN32) || defined (_MSC_VER)) && !defined(__WIN32__) #define __WIN32__ #endif #ifndef __arm__ #define LONG_DOUBLE #endif #ifndef __pure2 #define __pure2 #endif #ifdef _WIN32 # ifdef IMPORT_EXPORTS # define DLLEXPORT __declspec(dllimport) # else # define DLLEXPORT __declspec(dllexport) # endif #else #define DLLEXPORT __attribute__ ((visibility("default"))) #endif /* * ANSI/POSIX */ extern const union __infinity_un { unsigned char __uc[8]; double __ud; } __infinity; extern const union __nan_un { unsigned char __uc[sizeof(float)]; float __uf; } __nan; /* VBS #if __GNUC_PREREQ__(3, 3) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800) #define __MATH_BUILTIN_CONSTANTS #endif #if __GNUC_PREREQ__(3, 0) && !defined(__INTEL_COMPILER) #define __MATH_BUILTIN_RELOPS #endif */ //VBS begin #define __MATH_BUILTIN_CONSTANTS #define __MATH_BUILTIN_RELOPS #ifndef __ISO_C_VISIBLE #define __ISO_C_VISIBLE 1999 #endif //VBS end #ifdef __MATH_BUILTIN_CONSTANTS #define HUGE_VAL __builtin_huge_val() #else #define HUGE_VAL (__infinity.__ud) #endif #if __ISO_C_VISIBLE >= 1999 #define FP_ILOGB0 (-INT_MAX) #define FP_ILOGBNAN INT_MAX #ifdef __MATH_BUILTIN_CONSTANTS #define HUGE_VALF __builtin_huge_valf() #define HUGE_VALL __builtin_huge_vall() #define INFINITY __builtin_inff() #define NAN __builtin_nanf("") #else #define HUGE_VALF (float)HUGE_VAL #define HUGE_VALL (long double)HUGE_VAL #define INFINITY HUGE_VALF #define NAN (__nan.__uf) #endif /* __MATH_BUILTIN_CONSTANTS */ #define MATH_ERRNO 1 #define MATH_ERREXCEPT 2 #define math_errhandling MATH_ERREXCEPT #define FP_FAST_FMAF 1 #ifdef __ia64__ #define FP_FAST_FMA 1 #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) \ ((sizeof (x) == sizeof (float)) ? __fpclassifyf(x) \ : (sizeof (x) == sizeof (double)) ? __fpclassifyd(x) \ : __fpclassifyl(x)) #define isfinite(x) \ ((sizeof (x) == sizeof (float)) ? __isfinitef(x) \ : (sizeof (x) == sizeof (double)) ? __isfinite(x) \ : __isfinitel(x)) #define isinf(x) \ ((sizeof (x) == sizeof (float)) ? __isinff(x) \ : (sizeof (x) == sizeof (double)) ? isinf(x) \ : __isinfl(x)) #define isnan(x) \ ((sizeof (x) == sizeof (float)) ? __isnanf(x) \ : (sizeof (x) == sizeof (double)) ? isnan(x) \ : __isnanl(x)) #define isnormal(x) \ ((sizeof (x) == sizeof (float)) ? __isnormalf(x) \ : (sizeof (x) == sizeof (double)) ? __isnormal(x) \ : __isnormall(x)) #ifdef __MATH_BUILTIN_RELOPS #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)) #else #define isgreater(x, y) (!isunordered((x), (y)) && (x) > (y)) #define isgreaterequal(x, y) (!isunordered((x), (y)) && (x) >= (y)) #define isless(x, y) (!isunordered((x), (y)) && (x) < (y)) #define islessequal(x, y) (!isunordered((x), (y)) && (x) <= (y)) #define islessgreater(x, y) (!isunordered((x), (y)) && \ ((x) > (y) || (y) > (x))) #define isunordered(x, y) (isnan(x) || isnan(y)) #endif /* __MATH_BUILTIN_RELOPS */ #define signbit(x) \ ((sizeof (x) == sizeof (float)) ? __signbitf(x) \ : (sizeof (x) == sizeof (double)) ? __signbit(x) \ : __signbitl(x)) //VBS //typedef __double_t double_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) #ifndef OPENLIBM_ONLY_THREAD_SAFE extern int signgam; #endif #endif /* __BSD_VISIBLE || __XSI_VISIBLE */ #if __BSD_VISIBLE #if 0 /* Old value from 4.4BSD-Lite openlibm.h; this is probably better. */ #define HUGE HUGE_VAL #else #define HUGE MAXFLOAT #endif #endif /* __BSD_VISIBLE */ /* * 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. */ #if defined(__cplusplus) extern "C" { #endif /* Symbol present when OpenLibm is used. */ int isopenlibm(void); /* * ANSI/POSIX */ DLLEXPORT int __fpclassifyd(double) __pure2; DLLEXPORT int __fpclassifyf(float) __pure2; DLLEXPORT int __fpclassifyl(long double) __pure2; DLLEXPORT int __isfinitef(float) __pure2; DLLEXPORT int __isfinite(double) __pure2; DLLEXPORT int __isfinitel(long double) __pure2; DLLEXPORT int __isinff(float) __pure2; DLLEXPORT int __isinfl(long double) __pure2; DLLEXPORT int __isnanf(float) __pure2; DLLEXPORT int __isnanl(long double) __pure2; DLLEXPORT int __isnormalf(float) __pure2; DLLEXPORT int __isnormal(double) __pure2; DLLEXPORT int __isnormall(long double) __pure2; DLLEXPORT int __signbit(double) __pure2; DLLEXPORT int __signbitf(float) __pure2; DLLEXPORT int __signbitl(long double) __pure2; DLLEXPORT double acos(double); DLLEXPORT double asin(double); DLLEXPORT double atan(double); DLLEXPORT double atan2(double, double); DLLEXPORT double cos(double); DLLEXPORT double sin(double); DLLEXPORT double tan(double); DLLEXPORT double cosh(double); DLLEXPORT double sinh(double); DLLEXPORT double tanh(double); DLLEXPORT double exp(double); DLLEXPORT double frexp(double, int *); /* fundamentally !__pure2 */ DLLEXPORT double ldexp(double, int); DLLEXPORT double log(double); DLLEXPORT double log10(double); DLLEXPORT double modf(double, double *); /* fundamentally !__pure2 */ DLLEXPORT double pow(double, double); DLLEXPORT double sqrt(double); DLLEXPORT double ceil(double); DLLEXPORT double fabs(double) __pure2; DLLEXPORT double floor(double); DLLEXPORT double fmod(double, double); /* * These functions are not in C90. */ #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE DLLEXPORT double acosh(double); DLLEXPORT double asinh(double); DLLEXPORT double atanh(double); DLLEXPORT double cbrt(double); DLLEXPORT double erf(double); DLLEXPORT double erfc(double); DLLEXPORT double exp2(double); DLLEXPORT double expm1(double); DLLEXPORT double fma(double, double, double); DLLEXPORT double hypot(double, double); DLLEXPORT int ilogb(double) __pure2; DLLEXPORT int (isinf)(double) __pure2; DLLEXPORT int (isnan)(double) __pure2; DLLEXPORT double lgamma(double); DLLEXPORT long long llrint(double); DLLEXPORT long long llround(double); DLLEXPORT double log1p(double); DLLEXPORT double log2(double); DLLEXPORT double logb(double); DLLEXPORT long lrint(double); DLLEXPORT long lround(double); DLLEXPORT double nan(const char *) __pure2; DLLEXPORT double nextafter(double, double); DLLEXPORT double remainder(double, double); DLLEXPORT double remquo(double, double, int *); DLLEXPORT double rint(double); #endif /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */ #if __BSD_VISIBLE || __XSI_VISIBLE DLLEXPORT double j0(double); DLLEXPORT double j1(double); DLLEXPORT double jn(int, double); DLLEXPORT double y0(double); DLLEXPORT double y1(double); DLLEXPORT double yn(int, double); #endif /* __BSD_VISIBLE || __XSI_VISIBLE */ #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 DLLEXPORT double copysign(double, double) __pure2; DLLEXPORT double fdim(double, double); DLLEXPORT double fmax(double, double) __pure2; DLLEXPORT double fmin(double, double) __pure2; DLLEXPORT double nearbyint(double); DLLEXPORT double round(double); DLLEXPORT double scalbln(double, long); DLLEXPORT double scalbn(double, int); DLLEXPORT double tgamma(double); DLLEXPORT double trunc(double); #endif /* * BSD math library entry points */ #if __BSD_VISIBLE DLLEXPORT int isnanf(float) __pure2; /* * Reentrant version of lgamma; passes signgam back by reference as the * second argument; user must allocate space for signgam. */ DLLEXPORT double lgamma_r(double, int *); /* * Single sine/cosine function. */ DLLEXPORT void sincos(double, double *, double *); #endif /* __BSD_VISIBLE */ /* float versions of ANSI/POSIX functions */ #if __ISO_C_VISIBLE >= 1999 DLLEXPORT float acosf(float); DLLEXPORT float asinf(float); DLLEXPORT float atanf(float); DLLEXPORT float atan2f(float, float); DLLEXPORT float cosf(float); DLLEXPORT float sinf(float); DLLEXPORT float tanf(float); DLLEXPORT float coshf(float); DLLEXPORT float sinhf(float); DLLEXPORT float tanhf(float); DLLEXPORT float exp2f(float); DLLEXPORT float expf(float); DLLEXPORT float expm1f(float); DLLEXPORT float frexpf(float, int *); /* fundamentally !__pure2 */ DLLEXPORT int ilogbf(float) __pure2; DLLEXPORT float ldexpf(float, int); DLLEXPORT float log10f(float); DLLEXPORT float log1pf(float); DLLEXPORT float log2f(float); DLLEXPORT float logf(float); DLLEXPORT float modff(float, float *); /* fundamentally !__pure2 */ DLLEXPORT float powf(float, float); DLLEXPORT float sqrtf(float); DLLEXPORT float ceilf(float); DLLEXPORT float fabsf(float) __pure2; DLLEXPORT float floorf(float); DLLEXPORT float fmodf(float, float); DLLEXPORT float roundf(float); DLLEXPORT float erff(float); DLLEXPORT float erfcf(float); DLLEXPORT float hypotf(float, float); DLLEXPORT float lgammaf(float); DLLEXPORT float tgammaf(float); DLLEXPORT float acoshf(float); DLLEXPORT float asinhf(float); DLLEXPORT float atanhf(float); DLLEXPORT float cbrtf(float); DLLEXPORT float logbf(float); DLLEXPORT float copysignf(float, float) __pure2; DLLEXPORT long long llrintf(float); DLLEXPORT long long llroundf(float); DLLEXPORT long lrintf(float); DLLEXPORT long lroundf(float); DLLEXPORT float nanf(const char *) __pure2; DLLEXPORT float nearbyintf(float); DLLEXPORT float nextafterf(float, float); DLLEXPORT float remainderf(float, float); DLLEXPORT float remquof(float, float, int *); DLLEXPORT float rintf(float); DLLEXPORT float scalblnf(float, long); DLLEXPORT float scalbnf(float, int); DLLEXPORT float truncf(float); DLLEXPORT float fdimf(float, float); DLLEXPORT float fmaf(float, float, float); DLLEXPORT float fmaxf(float, float) __pure2; DLLEXPORT float fminf(float, float) __pure2; #endif /* * float versions of BSD math library entry points */ #if __BSD_VISIBLE DLLEXPORT float dremf(float, float); DLLEXPORT float j0f(float); DLLEXPORT float j1f(float); DLLEXPORT float jnf(int, float); DLLEXPORT float y0f(float); DLLEXPORT float y1f(float); DLLEXPORT float ynf(int, float); /* * Float versions of reentrant version of lgamma; passes signgam back by * reference as the second argument; user must allocate space for signgam. */ DLLEXPORT float lgammaf_r(float, int *); /* * Single sine/cosine function. */ DLLEXPORT void sincosf(float, float *, float *); #endif /* __BSD_VISIBLE */ /* * long double versions of ISO/POSIX math functions */ #if __ISO_C_VISIBLE >= 1999 DLLEXPORT long double acoshl(long double); DLLEXPORT long double acosl(long double); DLLEXPORT long double asinhl(long double); DLLEXPORT long double asinl(long double); DLLEXPORT long double atan2l(long double, long double); DLLEXPORT long double atanhl(long double); DLLEXPORT long double atanl(long double); DLLEXPORT long double cbrtl(long double); DLLEXPORT long double ceill(long double); DLLEXPORT long double copysignl(long double, long double) __pure2; DLLEXPORT long double coshl(long double); DLLEXPORT long double cosl(long double); DLLEXPORT long double erfcl(long double); DLLEXPORT long double erfl(long double); DLLEXPORT long double exp2l(long double); DLLEXPORT long double expl(long double); DLLEXPORT long double expm1l(long double); DLLEXPORT long double fabsl(long double) __pure2; DLLEXPORT long double fdiml(long double, long double); DLLEXPORT long double floorl(long double); DLLEXPORT long double fmal(long double, long double, long double); DLLEXPORT long double fmaxl(long double, long double) __pure2; DLLEXPORT long double fminl(long double, long double) __pure2; DLLEXPORT long double fmodl(long double, long double); DLLEXPORT long double frexpl(long double value, int *); /* fundamentally !__pure2 */ DLLEXPORT long double hypotl(long double, long double); DLLEXPORT int ilogbl(long double) __pure2; DLLEXPORT long double ldexpl(long double, int); DLLEXPORT long double lgammal(long double); DLLEXPORT long long llrintl(long double); DLLEXPORT long long llroundl(long double); DLLEXPORT long double log10l(long double); DLLEXPORT long double log1pl(long double); DLLEXPORT long double log2l(long double); DLLEXPORT long double logbl(long double); DLLEXPORT long double logl(long double); DLLEXPORT long lrintl(long double); DLLEXPORT long lroundl(long double); DLLEXPORT long double modfl(long double, long double *); /* fundamentally !__pure2 */ DLLEXPORT long double nanl(const char *) __pure2; DLLEXPORT long double nearbyintl(long double); DLLEXPORT long double nextafterl(long double, long double); DLLEXPORT double nexttoward(double, long double); DLLEXPORT float nexttowardf(float, long double); DLLEXPORT long double nexttowardl(long double, long double); DLLEXPORT long double powl(long double, long double); DLLEXPORT long double remainderl(long double, long double); DLLEXPORT long double remquol(long double, long double, int *); DLLEXPORT long double rintl(long double); DLLEXPORT long double roundl(long double); DLLEXPORT long double scalblnl(long double, long); DLLEXPORT long double scalbnl(long double, int); DLLEXPORT long double sinhl(long double); DLLEXPORT long double sinl(long double); DLLEXPORT long double sqrtl(long double); DLLEXPORT long double tanhl(long double); DLLEXPORT long double tanl(long double); DLLEXPORT long double tgammal(long double); DLLEXPORT long double truncl(long double); #endif /* __ISO_C_VISIBLE >= 1999 */ /* Reentrant version of lgammal. */ #if __BSD_VISIBLE DLLEXPORT long double lgammal_r(long double, int *); /* * Single sine/cosine function. */ DLLEXPORT void sincosl(long double, long double *, long double *); #endif /* __BSD_VISIBLE */ #if defined(__cplusplus) } #endif #endif /* !OPENLIBM_MATH_H */ #endif /* OPENLIBM_USE_HOST_MATH_H */