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Diffstat (limited to 'winsup/mingw/include/math.h')
-rw-r--r-- | winsup/mingw/include/math.h | 749 |
1 files changed, 0 insertions, 749 deletions
diff --git a/winsup/mingw/include/math.h b/winsup/mingw/include/math.h deleted file mode 100644 index 488493895..000000000 --- a/winsup/mingw/include/math.h +++ /dev/null @@ -1,749 +0,0 @@ -/* - * math.h - * - * Mathematical functions. - * - * This file is part of the Mingw32 package. - * - * Contributors: - * Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp> - * - * THIS SOFTWARE IS NOT COPYRIGHTED - * - * This source code is offered for use in the public domain. You may - * use, modify or distribute it freely. - * - * This code is distributed in the hope that it will be useful but - * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY - * DISCLAIMED. This includes but is not limited to warranties of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - * - * $Revision$ - * $Author$ - * $Date$ - * - */ - -#ifndef _MATH_H_ -#define _MATH_H_ - -/* All the headers include this file. */ -#include <_mingw.h> - -/* - * Types for the _exception structure. - */ - -#define _DOMAIN 1 /* domain error in argument */ -#define _SING 2 /* singularity */ -#define _OVERFLOW 3 /* range overflow */ -#define _UNDERFLOW 4 /* range underflow */ -#define _TLOSS 5 /* total loss of precision */ -#define _PLOSS 6 /* partial loss of precision */ - -/* - * Exception types with non-ANSI names for compatibility. - */ - -#ifndef __STRICT_ANSI__ -#ifndef _NO_OLDNAMES - -#define DOMAIN _DOMAIN -#define SING _SING -#define OVERFLOW _OVERFLOW -#define UNDERFLOW _UNDERFLOW -#define TLOSS _TLOSS -#define PLOSS _PLOSS - -#endif /* Not _NO_OLDNAMES */ -#endif /* Not __STRICT_ANSI__ */ - - -/* These are also defined in Mingw float.h; needed here as well to work - around GCC build issues. */ -#ifndef __STRICT_ANSI__ -#ifndef __MINGW_FPCLASS_DEFINED -#define __MINGW_FPCLASS_DEFINED 1 -/* IEEE 754 classication */ -#define _FPCLASS_SNAN 0x0001 /* Signaling "Not a Number" */ -#define _FPCLASS_QNAN 0x0002 /* Quiet "Not a Number" */ -#define _FPCLASS_NINF 0x0004 /* Negative Infinity */ -#define _FPCLASS_NN 0x0008 /* Negative Normal */ -#define _FPCLASS_ND 0x0010 /* Negative Denormal */ -#define _FPCLASS_NZ 0x0020 /* Negative Zero */ -#define _FPCLASS_PZ 0x0040 /* Positive Zero */ -#define _FPCLASS_PD 0x0080 /* Positive Denormal */ -#define _FPCLASS_PN 0x0100 /* Positive Normal */ -#define _FPCLASS_PINF 0x0200 /* Positive Infinity */ -#endif /* __MINGW_FPCLASS_DEFINED */ -#endif /* Not __STRICT_ANSI__ */ - -#ifndef RC_INVOKED - -#ifdef __cplusplus -extern "C" { -#endif - -/* - * HUGE_VAL is returned by strtod when the value would overflow the - * representation of 'double'. There are other uses as well. - * - * __imp__HUGE is a pointer to the actual variable _HUGE in - * MSVCRT.DLL. If we used _HUGE directly we would get a pointer - * to a thunk function. - * - * NOTE: The CRTDLL version uses _HUGE_dll instead. - */ - -#ifndef __DECLSPEC_SUPPORTED - -#ifdef __MSVCRT__ -extern double* _imp___HUGE; -#define HUGE_VAL (*_imp___HUGE) -#else -/* CRTDLL */ -extern double* _imp___HUGE_dll; -#define HUGE_VAL (*_imp___HUGE_dll) -#endif - -#else /* __DECLSPEC_SUPPORTED */ - -#ifdef __MSVCRT__ -__MINGW_IMPORT double _HUGE; -#define HUGE_VAL _HUGE -#else -/* CRTDLL */ -__MINGW_IMPORT double _HUGE_dll; -#define HUGE_VAL _HUGE_dll -#endif - -#endif /* __DECLSPEC_SUPPORTED */ - -struct _exception -{ - int type; - char *name; - double arg1; - double arg2; - double retval; -}; - - -double sin (double); -double cos (double); -double tan (double); -double sinh (double); -double cosh (double); -double tanh (double); -double asin (double); -double acos (double); -double atan (double); -double atan2 (double, double); -double exp (double); -double log (double); -double log10 (double); -double pow (double, double); -double sqrt (double); -extern __inline__ double sqrt (double x) -{ - double res; - __asm__ ("fsqrt;" : "=t" (res) : "0" (x)); - return res; -} -double ceil (double); -double floor (double); -double fabs (double); -extern __inline__ double fabs (double x) -{ - double res; - __asm__ ("fabs;" : "=t" (res) : "0" (x)); - return res; -} -double ldexp (double, int); -double frexp (double, int*); -double modf (double, double*); -double fmod (double, double); - - -#ifndef __STRICT_ANSI__ - -/* Complex number (for cabs). This really belongs in complex.h */ -struct _complex -{ - double x; /* Real part */ - double y; /* Imaginary part */ -}; - -double _cabs (struct _complex); - -double _hypot (double, double); -double _j0 (double); -double _j1 (double); -double _jn (int, double); -double _y0 (double); -double _y1 (double); -double _yn (int, double); -int _matherr (struct _exception *); - -/* These are also declared in Mingw float.h; needed here as well to work - around GCC build issues. */ -/* BEGIN FLOAT.H COPY */ -/* - * IEEE recommended functions - */ - -double _chgsign (double); -double _copysign (double, double); -double _logb (double); -double _nextafter (double, double); -double _scalb (double, long); - -int _finite (double); -int _fpclass (double); -int _isnan (double); - -/* END FLOAT.H COPY */ - - -/* - * Non-underscored versions of non-ANSI functions. - * These reside in liboldnames.a. - */ - -#if !defined (_NO_OLDNAMES) - -double cabs (struct _complex); -double j0 (double); -double j1 (double); -double jn (int, double); -double y0 (double); -double y1 (double); -double yn (int, double); - -double chgsign (double); -double scalb (double, long); -int finite (double); -int fpclass (double); - -#endif /* Not _NO_OLDNAMES */ - -#endif /* __STRICT_ANSI__ */ - - -#ifndef __NO_ISOCEXT -#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) \ - || !defined __STRICT_ANSI__ || defined __GLIBCPP__ - -#define NAN (0.0F/0.0F) -#define HUGE_VALF (1.0F/0.0F) -#define HUGE_VALL (1.0L/0.0L) -#define INFINITY (1.0F/0.0F) - - -/* 7.12.3.1 */ -/* - Return values for fpclassify. - These are based on Intel x87 fpu condition codes - in the high byte of status word and differ from - the return values for MS IEEE 754 extension _fpclass() -*/ -#define FP_NAN 0x0100 -#define FP_NORMAL 0x0400 -#define FP_INFINITE (FP_NAN | FP_NORMAL) -#define FP_ZERO 0x4000 -#define FP_SUBNORMAL (FP_NORMAL | FP_ZERO) -/* 0x0200 is signbit mask */ - - -/* - We can't inline float or double, because we want to ensure truncation - to semantic type before classification. - (A normal long double value might become subnormal when - converted to double, and zero when converted to float.) -*/ - -extern int __fpclassifyf (float); -extern int __fpclassify (double); - -extern __inline__ int __fpclassifyl (long double x){ - unsigned short sw; - __asm__ ("fxam; fstsw %%ax;" : "=a" (sw): "t" (x)); - return sw & (FP_NAN | FP_NORMAL | FP_ZERO ); -} - -#define fpclassify(x) (sizeof (x) == sizeof (float) ? __fpclassifyf (x) \ - : sizeof (x) == sizeof (double) ? __fpclassify (x) \ - : __fpclassifyl (x)) - -/* 7.12.3.2 */ -#define isfinite(x) ((fpclassify(x) & FP_NAN) == 0) - -/* 7.12.3.3 */ -#define isinf(x) (fpclassify(x) == FP_INFINITE) - -/* 7.12.3.4 */ -/* We don't need to worry about trucation here: - A NaN stays a NaN. */ - -extern __inline__ int __isnan (double _x) -{ - unsigned short sw; - __asm__ ("fxam;" - "fstsw %%ax": "=a" (sw) : "t" (_x)); - return (sw & (FP_NAN | FP_NORMAL | FP_INFINITE | FP_ZERO | FP_SUBNORMAL)) - == FP_NAN; -} - -extern __inline__ int __isnanf (float _x) -{ - unsigned short sw; - __asm__ ("fxam;" - "fstsw %%ax": "=a" (sw) : "t" (_x)); - return (sw & (FP_NAN | FP_NORMAL | FP_INFINITE | FP_ZERO | FP_SUBNORMAL)) - == FP_NAN; -} - -extern __inline__ int __isnanl (long double _x) -{ - unsigned short sw; - __asm__ ("fxam;" - "fstsw %%ax": "=a" (sw) : "t" (_x)); - return (sw & (FP_NAN | FP_NORMAL | FP_INFINITE | FP_ZERO | FP_SUBNORMAL)) - == FP_NAN; -} - - -#define isnan(x) (sizeof (x) == sizeof (float) ? __isnanf (x) \ - : sizeof (x) == sizeof (double) ? __isnan (x) \ - : __isnanl (x)) - -/* 7.12.3.5 */ -#define isnormal(x) (fpclassify(x) == FP_NORMAL) - -/* 7.12.3.6 The signbit macro */ -extern __inline__ int __signbit (double x) { - unsigned short stw; - __asm__ ( "fxam; fstsw %%ax;": "=a" (stw) : "t" (x)); - return stw & 0x0200; -} - -extern __inline__ int __signbitf (float x) { - unsigned short stw; - __asm__ ("fxam; fstsw %%ax;": "=a" (stw) : "t" (x)); - return stw & 0x0200; -} -extern __inline__ int __signbitl (long double x) { - unsigned short stw; - __asm__ ("fxam; fstsw %%ax;": "=a" (stw) : "t" (x)); - return stw & 0x0200; -} - - -#define signbit(x) (sizeof (x) == sizeof (float) ? __signbitf (x) \ - : sizeof (x) == sizeof (double) ? __signbit (x) \ - : __signbitl (x)) - -/* 7.12.4 Trigonometric functions: Double in C89 */ -extern float sinf (float); -extern long double sinl (long double); - -extern float cosf (float); -extern long double cosl (long double); - -extern float tanf (float); -extern long double tanl (long double); - -extern float asinf (float); -extern long double asinl (long double); - -extern float acosf (float); -extern long double acosl (long double); - -extern float atanf (float); -extern long double atanl (long double); - -extern float atan2f (float, float); -extern long double atan2l (long double, long double); - -/* 7.12.5 Hyperbolic functions: Double in C89 */ -extern __inline__ float sinhf (float x) - {return (float) sinh (x);} -extern long double sinhl (long double); - -extern __inline__ float coshf (float x) - {return (float) cosh (x);} -extern long double coshl (long double); - -extern __inline__ float tanhf (float x) - {return (float) tanh (x);} -extern long double tanhl (long double); - -/* - * TODO: asinh, acosh, atanh - */ - -/* 7.12.6.1 Double in C89 */ -extern __inline__ float expf (float x) - {return (float) exp (x);} -extern long double expl (long double); - -/* 7.12.6.2 */ -extern double exp2(double); -extern float exp2f(float); -extern long double exp2l(long double); - -/* 7.12.6.3 The expm1 functions: TODO */ - -/* 7.12.6.4 Double in C89 */ -extern __inline__ float frexpf (float x, int* expn) - {return (float) frexp (x, expn);} -extern long double frexpl (long double, int*); - -/* 7.12.6.5 */ -#define FP_ILOGB0 ((int)0x80000000) -#define FP_ILOGBNAN ((int)0x80000000) -extern int ilogb (double); -extern int ilogbf (float); -extern int ilogbl (long double); - -/* 7.12.6.6 Double in C89 */ -extern __inline__ float ldexpf (float x, int expn) - {return (float) ldexp (x, expn);} -extern long double ldexpl (long double, int); - -/* 7.12.6.7 Double in C89 */ -extern float logf (float); -extern long double logl (long double); - -/* 7.12.6.8 Double in C89 */ -extern float log10f (float); -extern long double log10l (long double); - -/* 7.12.6.9 */ -extern double log1p(double); -extern float log1pf(float); -extern long double log1pl(long double); - -/* 7.12.6.10 */ -extern double log2 (double); -extern float log2f (float); -extern long double log2l (long double); - -/* 7.12.6.11 */ -extern double logb (double); -extern float logbf (float); -extern long double logbl (long double); - -extern __inline__ double logb (double x) -{ - double res; - __asm__ ("fxtract\n\t" - "fstp %%st" : "=t" (res) : "0" (x)); - return res; -} - -extern __inline__ float logbf (float x) -{ - float res; - __asm__ ("fxtract\n\t" - "fstp %%st" : "=t" (res) : "0" (x)); - return res; -} - -extern __inline__ long double logbl (long double x) -{ - long double res; - __asm__ ("fxtract\n\t" - "fstp %%st" : "=t" (res) : "0" (x)); - return res; -} - -/* 7.12.6.12 Double in C89 */ -extern float modff (float, float*); -extern long double modfl (long double, long double*); - -/* 7.12.6.13 */ -extern double scalbn (double, int); -extern float scalbnf (float, int); -extern long double scalbnl (long double, int); - -extern double scalbln (double, long); -extern float scalblnf (float, long); -extern long double scalblnl (long double, long); - -/* 7.12.7.1 */ -/* Implementations adapted from Cephes versions */ -extern double cbrt (double); -extern float cbrtf (float); -extern long double cbrtl (long double); - -/* 7.12.7.2 The fabs functions: Double in C89 */ -extern __inline__ float fabsf (float x) -{ - float res; - __asm__ ("fabs;" : "=t" (res) : "0" (x)); - return res; -} - -extern __inline__ long double fabsl (long double x) -{ - long double res; - __asm__ ("fabs;" : "=t" (res) : "0" (x)); - return res; -} - -/* 7.12.7.3 */ -extern double hypot (double, double); /* in libmoldname.a */ -extern __inline__ float hypotf (float x, float y) - { return (float) hypot (x, y);} -extern long double hypotl (long double, long double); - -/* 7.12.7.4 The pow functions. Double in C89 */ -extern __inline__ float powf (float x, float y) - {return (float) pow (x, y);} -extern long double powl (long double, long double); - -/* 7.12.7.5 The sqrt functions. Double in C89. */ -extern __inline__ float sqrtf (float x) -{ - float res; - __asm__ ("fsqrt" : "=t" (res) : "0" (x)); - return res; -} - -extern __inline__ long double sqrtl (long double x) -{ - long double res; - __asm__ ("fsqrt" : "=t" (res) : "0" (x)); - return res; -} - -/* 7.12.8 Error and gamma functions: TODO */ - -/* 7.12.9.1 Double in C89 */ -extern float ceilf (float); -extern long double ceill (long double); - -/* 7.12.9.2 Double in C89 */ -extern float floorf (float); -extern long double floorl (long double); - -/* 7.12.9.3 */ -extern double nearbyint ( double); -extern float nearbyintf (float); -extern long double nearbyintl (long double); - -/* 7.12.9.4 */ -/* round, using fpu control word settings */ -extern __inline__ double rint (double x) -{ - double retval; - __asm__ ("frndint;": "=t" (retval) : "0" (x)); - return retval; -} - -extern __inline__ float rintf (float x) -{ - float retval; - __asm__ ("frndint;" : "=t" (retval) : "0" (x) ); - return retval; -} - -extern __inline__ long double rintl (long double x) -{ - long double retval; - __asm__ ("frndint;" : "=t" (retval) : "0" (x) ); - return retval; -} - -/* 7.12.9.5 */ -extern __inline__ long lrint (double x) -{ - long retval; - __asm__ __volatile__ \ - ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - -extern __inline__ long lrintf (float x) -{ - long retval; - __asm__ __volatile__ \ - ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - -extern __inline__ long lrintl (long double x) -{ - long retval; - __asm__ __volatile__ \ - ("fistpl %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - -extern __inline__ long long llrint (double x) -{ - long long retval; - __asm__ __volatile__ \ - ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - -extern __inline__ long long llrintf (float x) -{ - long long retval; - __asm__ __volatile__ \ - ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - -extern __inline__ long long llrintl (long double x) -{ - long long retval; - __asm__ __volatile__ \ - ("fistpll %0" : "=m" (retval) : "t" (x) : "st"); \ - return retval; -} - -/* 7.12.9.6 */ -/* round away from zero, regardless of fpu control word settings */ -extern double round (double); -extern float roundf (float); -extern long double roundl (long double); - -/* 7.12.9.7 */ -extern long lround (double); -extern long lroundf (float); -extern long lroundl (long double); - -extern long long llround (double); -extern long long llroundf (float); -extern long long llroundl (long double); - -/* 7.12.9.8 */ -/* round towards zero, regardless of fpu control word settings */ -extern double trunc (double); -extern float truncf (float); -extern long double truncl (long double); - -/* 7.12.10.1 Double in C89 */ -extern float fmodf (float, float); -extern long double fmodl (long double, long double); - -/* 7.12.10.2 */ -extern double remainder (double, double); -extern float remainderf (float, float); -extern long double remainderl (long double, long double); - -/* 7.12.10.3 */ -extern double remquo(double, double, int *); -extern float remquof(float, float, int *); -extern long double remquol(long double, long double, int *); - -/* 7.12.11.1 */ -extern double copysign (double, double); /* in libmoldname.a */ -extern float copysignf (float, float); -extern long double copysignl (long double, long double); - -/* 7.12.11.2 Return a NaN */ -extern double nan(const char *tagp); -extern float nanf(const char *tagp); -extern long double nanl(const char *tagp); - -#ifndef __STRICT_ANSI__ -#define _nan() nan("") -#define _nanf() nanf("") -#define _nanl() nanl("") -#endif - -/* 7.12.11.3 */ -extern double nextafter (double, double); /* in libmoldname.a */ -extern float nextafterf (float, float); -/* TODO: Not yet implemented */ -/* extern long double nextafterl (long double, long double); */ - -/* 7.12.11.4 The nexttoward functions: TODO */ - -/* 7.12.12.1 */ -/* x > y ? (x - y) : 0.0 */ -extern double fdim (double x, double y); -extern float fdimf (float x, float y); -extern long double fdiml (long double x, long double y); - -/* fmax and fmin. - NaN arguments are treated as missing data: if one argument is a NaN - and the other numeric, then these functions choose the numeric - value. */ - -/* 7.12.12.2 */ -extern double fmax (double, double); -extern float fmaxf (float, float); -extern long double fmaxl (long double, long double); - -/* 7.12.12.3 */ -extern double fmin (double, double); -extern float fminf (float, float); -extern long double fminl (long double, long double); - -/* 7.12.13.1 */ -/* return x * y + z as a ternary op */ -extern double fma (double, double, double); -extern float fmaf (float, float, float); -extern long double fmal (long double, long double, long double); - - -/* 7.12.14 */ -/* - * With these functions, comparisons involving quiet NaNs set the FP - * condition code to "unordered". The IEEE floating-point spec - * dictates that the result of floating-point comparisons should be - * false whenever a NaN is involved, with the exception of the != op, - * which always returns true: yes, (NaN != NaN) is true). - */ - -#if __GNUC__ >= 3 - -#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 -/* helper */ -extern __inline__ int -__fp_unordered_compare (long double x, long double y){ - unsigned short retval; - __asm__ ("fucom %%st(1);" - "fnstsw;": "=a" (retval) : "t" (x), "u" (y)); - return retval; -} - -#define isgreater(x, y) ((__fp_unordered_compare(x, y) \ - & 0x4500) == 0) -#define isless(x, y) ((__fp_unordered_compare (y, x) \ - & 0x4500) == 0) -#define isgreaterequal(x, y) ((__fp_unordered_compare (x, y) \ - & FP_INFINITE) == 0) -#define islessequal(x, y) ((__fp_unordered_compare(y, x) \ - & FP_INFINITE) == 0) -#define islessgreater(x, y) ((__fp_unordered_compare(x, y) \ - & FP_SUBNORMAL) == 0) -#define isunordered(x, y) ((__fp_unordered_compare(x, y) \ - & 0x4500) == 0x4500) - -#endif - - -#endif /* __STDC_VERSION__ >= 199901L */ -#endif /* __NO_ISOCEXT */ - - -#ifdef __cplusplus -} -#endif -#endif /* Not RC_INVOKED */ - - -#endif /* Not _MATH_H_ */ |