494 lines
16 KiB
C
494 lines
16 KiB
C
/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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/*
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* from: @(#)fdlibm.h 5.1 93/09/24
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* $FreeBSD: src/lib/msun/src/openlibm.h,v 1.82 2011/11/12 19:55:48 theraven Exp $
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*/
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#ifdef OPENLIBM_USE_HOST_MATH_H
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#include <math.h>
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#else /* !OPENLIBM_USE_HOST_MATH_H */
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#include <openlibm_defs.h>
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#ifndef OPENLIBM_MATH_H
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#define OPENLIBM_MATH_H
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#if (defined(_WIN32) || defined (_MSC_VER)) && !defined(__WIN32__)
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#define __WIN32__
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#endif
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#if !defined(__arm__) && !defined(__wasm__)
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#define OLM_LONG_DOUBLE
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#endif
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#ifndef __pure2
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#define __pure2
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#endif
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/*
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* ANSI/POSIX
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*/
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extern const union __infinity_un {
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unsigned char __uc[8];
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double __ud;
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} __infinity;
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extern const union __nan_un {
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unsigned char __uc[sizeof(float)];
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float __uf;
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} __nan;
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/* VBS
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#if __GNUC_PREREQ__(3, 3) || (defined(__INTEL_COMPILER) && __INTEL_COMPILER >= 800)
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#define __MATH_BUILTIN_CONSTANTS
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#endif
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#if __GNUC_PREREQ__(3, 0) && !defined(__INTEL_COMPILER)
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#define __MATH_BUILTIN_RELOPS
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#endif
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*/
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//VBS begin
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#define __MATH_BUILTIN_CONSTANTS
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#define __MATH_BUILTIN_RELOPS
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#ifndef __ISO_C_VISIBLE
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#define __ISO_C_VISIBLE 1999
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#endif
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//VBS end
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#ifdef __MATH_BUILTIN_CONSTANTS
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#define HUGE_VAL __builtin_huge_val()
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#else
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#define HUGE_VAL (__infinity.__ud)
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#endif
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#if __ISO_C_VISIBLE >= 1999
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#define FP_ILOGB0 (-INT_MAX)
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#define FP_ILOGBNAN INT_MAX
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#ifdef __MATH_BUILTIN_CONSTANTS
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#define HUGE_VALF __builtin_huge_valf()
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#define HUGE_VALL __builtin_huge_vall()
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#define INFINITY __builtin_inff()
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#define NAN __builtin_nanf("")
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#else
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#define HUGE_VALF (float)HUGE_VAL
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#define HUGE_VALL (long double)HUGE_VAL
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#define INFINITY HUGE_VALF
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#define NAN (__nan.__uf)
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#endif /* __MATH_BUILTIN_CONSTANTS */
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#define MATH_ERRNO 1
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#define MATH_ERREXCEPT 2
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#define math_errhandling MATH_ERREXCEPT
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#define FP_FAST_FMAF 1
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#ifdef __ia64__
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#define FP_FAST_FMA 1
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#define FP_FAST_FMAL 1
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#endif
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/* Symbolic constants to classify floating point numbers. */
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#define FP_INFINITE 0x01
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#define FP_NAN 0x02
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#define FP_NORMAL 0x04
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#define FP_SUBNORMAL 0x08
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#define FP_ZERO 0x10
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#define fpclassify(x) \
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((sizeof (x) == sizeof (float)) ? __fpclassifyf(x) \
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: (sizeof (x) == sizeof (double)) ? __fpclassifyd(x) \
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: __fpclassifyl(x))
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#define isfinite(x) \
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((sizeof (x) == sizeof (float)) ? __isfinitef(x) \
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: (sizeof (x) == sizeof (double)) ? __isfinite(x) \
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: __isfinitel(x))
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#define isinf(x) \
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((sizeof (x) == sizeof (float)) ? __isinff(x) \
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: (sizeof (x) == sizeof (double)) ? isinf(x) \
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: __isinfl(x))
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#define isnan(x) \
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((sizeof (x) == sizeof (float)) ? __isnanf(x) \
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: (sizeof (x) == sizeof (double)) ? isnan(x) \
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: __isnanl(x))
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#define isnormal(x) \
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((sizeof (x) == sizeof (float)) ? __isnormalf(x) \
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: (sizeof (x) == sizeof (double)) ? __isnormal(x) \
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: __isnormall(x))
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#ifdef __MATH_BUILTIN_RELOPS
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#define isgreater(x, y) __builtin_isgreater((x), (y))
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#define isgreaterequal(x, y) __builtin_isgreaterequal((x), (y))
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#define isless(x, y) __builtin_isless((x), (y))
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#define islessequal(x, y) __builtin_islessequal((x), (y))
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#define islessgreater(x, y) __builtin_islessgreater((x), (y))
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#define isunordered(x, y) __builtin_isunordered((x), (y))
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#else
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#define isgreater(x, y) (!isunordered((x), (y)) && (x) > (y))
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#define isgreaterequal(x, y) (!isunordered((x), (y)) && (x) >= (y))
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#define isless(x, y) (!isunordered((x), (y)) && (x) < (y))
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#define islessequal(x, y) (!isunordered((x), (y)) && (x) <= (y))
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#define islessgreater(x, y) (!isunordered((x), (y)) && \
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((x) > (y) || (y) > (x)))
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#define isunordered(x, y) (isnan(x) || isnan(y))
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#endif /* __MATH_BUILTIN_RELOPS */
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#define signbit(x) \
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((sizeof (x) == sizeof (float)) ? __signbitf(x) \
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: (sizeof (x) == sizeof (double)) ? __signbit(x) \
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: __signbitl(x))
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//VBS
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//typedef __double_t double_t;
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//typedef __float_t float_t;
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#endif /* __ISO_C_VISIBLE >= 1999 */
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/*
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* XOPEN/SVID
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*/
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#if __BSD_VISIBLE || __XSI_VISIBLE
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#define M_E 2.7182818284590452354 /* e */
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#define M_LOG2E 1.4426950408889634074 /* log 2e */
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#define M_LOG10E 0.43429448190325182765 /* log 10e */
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#define M_LN2 0.69314718055994530942 /* log e2 */
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#define M_LN10 2.30258509299404568402 /* log e10 */
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#define M_PI 3.14159265358979323846 /* pi */
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#define M_PI_2 1.57079632679489661923 /* pi/2 */
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#define M_PI_4 0.78539816339744830962 /* pi/4 */
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#define M_1_PI 0.31830988618379067154 /* 1/pi */
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#define M_2_PI 0.63661977236758134308 /* 2/pi */
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#define M_2_SQRTPI 1.12837916709551257390 /* 2/sqrt(pi) */
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#define M_SQRT2 1.41421356237309504880 /* sqrt(2) */
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#define M_SQRT1_2 0.70710678118654752440 /* 1/sqrt(2) */
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#define MAXFLOAT ((float)3.40282346638528860e+38)
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#ifndef OPENLIBM_ONLY_THREAD_SAFE
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extern int signgam;
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#endif
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#endif /* __BSD_VISIBLE || __XSI_VISIBLE */
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#if __BSD_VISIBLE
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#if 0
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/* Old value from 4.4BSD-Lite openlibm.h; this is probably better. */
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#define HUGE HUGE_VAL
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#else
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#define HUGE MAXFLOAT
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#endif
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#endif /* __BSD_VISIBLE */
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/*
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* Most of these functions depend on the rounding mode and have the side
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* effect of raising floating-point exceptions, so they are not declared
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* as __pure2. In C99, FENV_ACCESS affects the purity of these functions.
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*/
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#if defined(__cplusplus)
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extern "C" {
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#endif
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/* Symbol present when OpenLibm is used. */
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int isopenlibm(void);
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/*
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* ANSI/POSIX
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*/
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OLM_DLLEXPORT int __fpclassifyd(double) __pure2;
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OLM_DLLEXPORT int __fpclassifyf(float) __pure2;
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OLM_DLLEXPORT int __fpclassifyl(long double) __pure2;
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OLM_DLLEXPORT int __isfinitef(float) __pure2;
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OLM_DLLEXPORT int __isfinite(double) __pure2;
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OLM_DLLEXPORT int __isfinitel(long double) __pure2;
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OLM_DLLEXPORT int __isinff(float) __pure2;
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OLM_DLLEXPORT int __isinfl(long double) __pure2;
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OLM_DLLEXPORT int __isnanf(float) __pure2;
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OLM_DLLEXPORT int __isnanl(long double) __pure2;
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OLM_DLLEXPORT int __isnormalf(float) __pure2;
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OLM_DLLEXPORT int __isnormal(double) __pure2;
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OLM_DLLEXPORT int __isnormall(long double) __pure2;
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OLM_DLLEXPORT int __signbit(double) __pure2;
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OLM_DLLEXPORT int __signbitf(float) __pure2;
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OLM_DLLEXPORT int __signbitl(long double) __pure2;
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OLM_DLLEXPORT double acos(double);
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OLM_DLLEXPORT double asin(double);
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OLM_DLLEXPORT double atan(double);
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OLM_DLLEXPORT double atan2(double, double);
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OLM_DLLEXPORT double cos(double);
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OLM_DLLEXPORT double sin(double);
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OLM_DLLEXPORT double tan(double);
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OLM_DLLEXPORT double cosh(double);
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OLM_DLLEXPORT double sinh(double);
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OLM_DLLEXPORT double tanh(double);
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OLM_DLLEXPORT double exp(double);
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OLM_DLLEXPORT double frexp(double, int *); /* fundamentally !__pure2 */
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OLM_DLLEXPORT double ldexp(double, int);
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OLM_DLLEXPORT double log(double);
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OLM_DLLEXPORT double log10(double);
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OLM_DLLEXPORT double modf(double, double *); /* fundamentally !__pure2 */
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OLM_DLLEXPORT double pow(double, double);
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OLM_DLLEXPORT double sqrt(double);
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OLM_DLLEXPORT double ceil(double);
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OLM_DLLEXPORT double fabs(double) __pure2;
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OLM_DLLEXPORT double floor(double);
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OLM_DLLEXPORT double fmod(double, double);
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/*
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* These functions are not in C90.
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*/
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#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE
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OLM_DLLEXPORT double acosh(double);
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OLM_DLLEXPORT double asinh(double);
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OLM_DLLEXPORT double atanh(double);
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OLM_DLLEXPORT double cbrt(double);
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OLM_DLLEXPORT double erf(double);
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OLM_DLLEXPORT double erfc(double);
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OLM_DLLEXPORT double exp2(double);
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OLM_DLLEXPORT double expm1(double);
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OLM_DLLEXPORT double fma(double, double, double);
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OLM_DLLEXPORT double hypot(double, double);
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OLM_DLLEXPORT int ilogb(double) __pure2;
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OLM_DLLEXPORT int (isinf)(double) __pure2;
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OLM_DLLEXPORT int (isnan)(double) __pure2;
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OLM_DLLEXPORT double lgamma(double);
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OLM_DLLEXPORT long long llrint(double);
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OLM_DLLEXPORT long long llround(double);
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OLM_DLLEXPORT double log1p(double);
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OLM_DLLEXPORT double log2(double);
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OLM_DLLEXPORT double logb(double);
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OLM_DLLEXPORT long lrint(double);
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OLM_DLLEXPORT long lround(double);
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OLM_DLLEXPORT double nan(const char *) __pure2;
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OLM_DLLEXPORT double nextafter(double, double);
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OLM_DLLEXPORT double remainder(double, double);
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OLM_DLLEXPORT double remquo(double, double, int *);
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OLM_DLLEXPORT double rint(double);
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#endif /* __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999 || __XSI_VISIBLE */
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#if __BSD_VISIBLE || __XSI_VISIBLE
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OLM_DLLEXPORT double j0(double);
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OLM_DLLEXPORT double j1(double);
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OLM_DLLEXPORT double jn(int, double);
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OLM_DLLEXPORT double y0(double);
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OLM_DLLEXPORT double y1(double);
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OLM_DLLEXPORT double yn(int, double);
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#endif /* __BSD_VISIBLE || __XSI_VISIBLE */
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#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 1999
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OLM_DLLEXPORT double copysign(double, double) __pure2;
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OLM_DLLEXPORT double fdim(double, double);
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OLM_DLLEXPORT double fmax(double, double) __pure2;
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OLM_DLLEXPORT double fmin(double, double) __pure2;
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OLM_DLLEXPORT double nearbyint(double);
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OLM_DLLEXPORT double round(double);
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OLM_DLLEXPORT double scalbln(double, long);
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OLM_DLLEXPORT double scalbn(double, int);
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OLM_DLLEXPORT double tgamma(double);
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OLM_DLLEXPORT double trunc(double);
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#endif
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/*
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* BSD math library entry points
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*/
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#if __BSD_VISIBLE
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OLM_DLLEXPORT int isinff(float) __pure2;
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OLM_DLLEXPORT int isnanf(float) __pure2;
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/*
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* Reentrant version of lgamma; passes signgam back by reference as the
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* second argument; user must allocate space for signgam.
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*/
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OLM_DLLEXPORT double lgamma_r(double, int *);
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/*
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* Single sine/cosine function.
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*/
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OLM_DLLEXPORT void sincos(double, double *, double *);
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#endif /* __BSD_VISIBLE */
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/* float versions of ANSI/POSIX functions */
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#if __ISO_C_VISIBLE >= 1999
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OLM_DLLEXPORT float acosf(float);
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OLM_DLLEXPORT float asinf(float);
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OLM_DLLEXPORT float atanf(float);
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OLM_DLLEXPORT float atan2f(float, float);
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OLM_DLLEXPORT float cosf(float);
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OLM_DLLEXPORT float sinf(float);
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OLM_DLLEXPORT float tanf(float);
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OLM_DLLEXPORT float coshf(float);
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OLM_DLLEXPORT float sinhf(float);
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OLM_DLLEXPORT float tanhf(float);
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OLM_DLLEXPORT float exp2f(float);
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OLM_DLLEXPORT float expf(float);
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OLM_DLLEXPORT float expm1f(float);
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OLM_DLLEXPORT float frexpf(float, int *); /* fundamentally !__pure2 */
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OLM_DLLEXPORT int ilogbf(float) __pure2;
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OLM_DLLEXPORT float ldexpf(float, int);
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OLM_DLLEXPORT float log10f(float);
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OLM_DLLEXPORT float log1pf(float);
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OLM_DLLEXPORT float log2f(float);
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OLM_DLLEXPORT float logf(float);
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OLM_DLLEXPORT float modff(float, float *); /* fundamentally !__pure2 */
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OLM_DLLEXPORT float powf(float, float);
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OLM_DLLEXPORT float sqrtf(float);
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OLM_DLLEXPORT float ceilf(float);
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OLM_DLLEXPORT float fabsf(float) __pure2;
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OLM_DLLEXPORT float floorf(float);
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OLM_DLLEXPORT float fmodf(float, float);
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OLM_DLLEXPORT float roundf(float);
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OLM_DLLEXPORT float erff(float);
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OLM_DLLEXPORT float erfcf(float);
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OLM_DLLEXPORT float hypotf(float, float);
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OLM_DLLEXPORT float lgammaf(float);
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OLM_DLLEXPORT float tgammaf(float);
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OLM_DLLEXPORT float acoshf(float);
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OLM_DLLEXPORT float asinhf(float);
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OLM_DLLEXPORT float atanhf(float);
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OLM_DLLEXPORT float cbrtf(float);
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OLM_DLLEXPORT float logbf(float);
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OLM_DLLEXPORT float copysignf(float, float) __pure2;
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OLM_DLLEXPORT long long llrintf(float);
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OLM_DLLEXPORT long long llroundf(float);
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OLM_DLLEXPORT long lrintf(float);
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OLM_DLLEXPORT long lroundf(float);
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OLM_DLLEXPORT float nanf(const char *) __pure2;
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OLM_DLLEXPORT float nearbyintf(float);
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OLM_DLLEXPORT float nextafterf(float, float);
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OLM_DLLEXPORT float remainderf(float, float);
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OLM_DLLEXPORT float remquof(float, float, int *);
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OLM_DLLEXPORT float rintf(float);
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OLM_DLLEXPORT float scalblnf(float, long);
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OLM_DLLEXPORT float scalbnf(float, int);
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OLM_DLLEXPORT float truncf(float);
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OLM_DLLEXPORT float fdimf(float, float);
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OLM_DLLEXPORT float fmaf(float, float, float);
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OLM_DLLEXPORT float fmaxf(float, float) __pure2;
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OLM_DLLEXPORT float fminf(float, float) __pure2;
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#endif
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/*
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* float versions of BSD math library entry points
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*/
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#if __BSD_VISIBLE
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OLM_DLLEXPORT float dremf(float, float);
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OLM_DLLEXPORT float j0f(float);
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OLM_DLLEXPORT float j1f(float);
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OLM_DLLEXPORT float jnf(int, float);
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OLM_DLLEXPORT float y0f(float);
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OLM_DLLEXPORT float y1f(float);
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OLM_DLLEXPORT float ynf(int, float);
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/*
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* Float versions of reentrant version of lgamma; passes signgam back by
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* reference as the second argument; user must allocate space for signgam.
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*/
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OLM_DLLEXPORT float lgammaf_r(float, int *);
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/*
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* Single sine/cosine function.
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*/
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OLM_DLLEXPORT void sincosf(float, float *, float *);
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#endif /* __BSD_VISIBLE */
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/*
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* long double versions of ISO/POSIX math functions
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*/
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#if __ISO_C_VISIBLE >= 1999
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OLM_DLLEXPORT long double acoshl(long double);
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OLM_DLLEXPORT long double acosl(long double);
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OLM_DLLEXPORT long double asinhl(long double);
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OLM_DLLEXPORT long double asinl(long double);
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OLM_DLLEXPORT long double atan2l(long double, long double);
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OLM_DLLEXPORT long double atanhl(long double);
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OLM_DLLEXPORT long double atanl(long double);
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OLM_DLLEXPORT long double cbrtl(long double);
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OLM_DLLEXPORT long double ceill(long double);
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OLM_DLLEXPORT long double copysignl(long double, long double) __pure2;
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OLM_DLLEXPORT long double coshl(long double);
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OLM_DLLEXPORT long double cosl(long double);
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OLM_DLLEXPORT long double erfcl(long double);
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OLM_DLLEXPORT long double erfl(long double);
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OLM_DLLEXPORT long double exp2l(long double);
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OLM_DLLEXPORT long double expl(long double);
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OLM_DLLEXPORT long double expm1l(long double);
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OLM_DLLEXPORT long double fabsl(long double) __pure2;
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OLM_DLLEXPORT long double fdiml(long double, long double);
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OLM_DLLEXPORT long double floorl(long double);
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OLM_DLLEXPORT long double fmal(long double, long double, long double);
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OLM_DLLEXPORT long double fmaxl(long double, long double) __pure2;
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OLM_DLLEXPORT long double fminl(long double, long double) __pure2;
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OLM_DLLEXPORT long double fmodl(long double, long double);
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OLM_DLLEXPORT long double frexpl(long double value, int *); /* fundamentally !__pure2 */
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OLM_DLLEXPORT long double hypotl(long double, long double);
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OLM_DLLEXPORT int ilogbl(long double) __pure2;
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OLM_DLLEXPORT long double ldexpl(long double, int);
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OLM_DLLEXPORT long double lgammal(long double);
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OLM_DLLEXPORT long long llrintl(long double);
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OLM_DLLEXPORT long long llroundl(long double);
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OLM_DLLEXPORT long double log10l(long double);
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OLM_DLLEXPORT long double log1pl(long double);
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OLM_DLLEXPORT long double log2l(long double);
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OLM_DLLEXPORT long double logbl(long double);
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OLM_DLLEXPORT long double logl(long double);
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OLM_DLLEXPORT long lrintl(long double);
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OLM_DLLEXPORT long lroundl(long double);
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OLM_DLLEXPORT long double modfl(long double, long double *); /* fundamentally !__pure2 */
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|
OLM_DLLEXPORT long double nanl(const char *) __pure2;
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OLM_DLLEXPORT long double nearbyintl(long double);
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|
OLM_DLLEXPORT long double nextafterl(long double, long double);
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OLM_DLLEXPORT double nexttoward(double, long double);
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|
OLM_DLLEXPORT float nexttowardf(float, long double);
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OLM_DLLEXPORT long double nexttowardl(long double, long double);
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OLM_DLLEXPORT long double powl(long double, long double);
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|
OLM_DLLEXPORT long double remainderl(long double, long double);
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|
OLM_DLLEXPORT long double remquol(long double, long double, int *);
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OLM_DLLEXPORT long double rintl(long double);
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|
OLM_DLLEXPORT long double roundl(long double);
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|
OLM_DLLEXPORT long double scalblnl(long double, long);
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|
OLM_DLLEXPORT long double scalbnl(long double, int);
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|
OLM_DLLEXPORT long double sinhl(long double);
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|
OLM_DLLEXPORT long double sinl(long double);
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|
OLM_DLLEXPORT long double sqrtl(long double);
|
|
OLM_DLLEXPORT long double tanhl(long double);
|
|
OLM_DLLEXPORT long double tanl(long double);
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|
OLM_DLLEXPORT long double tgammal(long double);
|
|
OLM_DLLEXPORT long double truncl(long double);
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|
#endif /* __ISO_C_VISIBLE >= 1999 */
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/* Reentrant version of lgammal. */
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|
#if __BSD_VISIBLE
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OLM_DLLEXPORT long double lgammal_r(long double, int *);
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|
|
|
/*
|
|
* Single sine/cosine function.
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|
*/
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|
OLM_DLLEXPORT void sincosl(long double, long double *, long double *);
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|
#endif /* __BSD_VISIBLE */
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#if defined(__cplusplus)
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|
}
|
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#endif
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#endif /* !OPENLIBM_MATH_H */
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#endif /* OPENLIBM_USE_HOST_MATH_H */
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