737 lines
22 KiB
C++
737 lines
22 KiB
C++
/**
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* This file has no copyright assigned and is placed in the Public Domain.
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* This file is part of the w64 mingw-runtime package.
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* No warranty is given; refer to the file DISCLAIMER within this package.
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*/
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#ifndef _MATH_H_
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#define _MATH_H_
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#if __GNUC__ >= 3
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#pragma GCC system_header
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#endif
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#include <_mingw.h>
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struct exception;
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#pragma pack(push,_CRT_PACKING)
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#define _DOMAIN 1
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#define _SING 2
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#define _OVERFLOW 3
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#define _UNDERFLOW 4
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#define _TLOSS 5
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#define _PLOSS 6
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#ifndef __STRICT_ANSI__
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#ifndef NO_OLDNAMES
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#define DOMAIN _DOMAIN
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#define SING _SING
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#define OVERFLOW _OVERFLOW
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#define UNDERFLOW _UNDERFLOW
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#define TLOSS _TLOSS
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#define PLOSS _PLOSS
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#endif
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#endif
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#ifndef __STRICT_ANSI__
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#define M_E 2.71828182845904523536
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#define M_LOG2E 1.44269504088896340736
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#define M_LOG10E 0.434294481903251827651
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#define M_LN2 0.693147180559945309417
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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 0.785398163397448309616
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#define M_1_PI 0.318309886183790671538
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#define M_2_PI 0.636619772367581343076
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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 0.707106781186547524401
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#endif
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#ifndef __STRICT_ANSI__
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/* See also float.h */
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#ifndef __MINGW_FPCLASS_DEFINED
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#define __MINGW_FPCLASS_DEFINED 1
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#define _FPCLASS_SNAN 0x0001 /* Signaling "Not a Number" */
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#define _FPCLASS_QNAN 0x0002 /* Quiet "Not a Number" */
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#define _FPCLASS_NINF 0x0004 /* Negative Infinity */
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#define _FPCLASS_NN 0x0008 /* Negative Normal */
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#define _FPCLASS_ND 0x0010 /* Negative Denormal */
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#define _FPCLASS_NZ 0x0020 /* Negative Zero */
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#define _FPCLASS_PZ 0x0040 /* Positive Zero */
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#define _FPCLASS_PD 0x0080 /* Positive Denormal */
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#define _FPCLASS_PN 0x0100 /* Positive Normal */
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#define _FPCLASS_PINF 0x0200 /* Positive Infinity */
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#endif
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef _EXCEPTION_DEFINED
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#define _EXCEPTION_DEFINED
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struct _exception {
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int type;
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char *name;
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double arg1;
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double arg2;
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double retval;
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};
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#endif
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#ifndef _COMPLEX_DEFINED
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#define _COMPLEX_DEFINED
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struct _complex {
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double x,y;
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};
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#endif
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#define EDOM 33
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#define ERANGE 34
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#ifndef _HUGE
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#ifdef _MSVCRT_
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extern double *_HUGE;
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#else
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extern double *_imp___HUGE;
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#define _HUGE (*_imp___HUGE)
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#endif
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#endif
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#define HUGE_VAL _HUGE
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#ifndef _CRT_ABS_DEFINED
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#define _CRT_ABS_DEFINED
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int __cdecl abs(int _X);
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long __cdecl labs(long _X);
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#endif
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double __cdecl acos(double _X);
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double __cdecl asin(double _X);
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double __cdecl atan(double _X);
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double __cdecl atan2(double _Y,double _X);
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#ifndef _SIGN_DEFINED
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#define _SIGN_DEFINED
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_CRTIMP double __cdecl _copysign (double _Number,double _Sign);
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_CRTIMP double __cdecl _chgsign (double _X);
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#endif
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double __cdecl cos(double _X);
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double __cdecl cosh(double _X);
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double __cdecl exp(double _X);
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double __cdecl expm1(double _X);
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double __cdecl fabs(double _X);
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double __cdecl fmod(double _X,double _Y);
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double __cdecl log(double _X);
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double __cdecl log10(double _X);
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double __cdecl pow(double _X,double _Y);
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double __cdecl sin(double _X);
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double __cdecl sinh(double _X);
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double __cdecl tan(double _X);
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double __cdecl tanh(double _X);
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double __cdecl sqrt(double _X);
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#ifndef _CRT_ATOF_DEFINED
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#define _CRT_ATOF_DEFINED
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double __cdecl atof(const char *_String);
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double __cdecl _atof_l(const char *_String,_locale_t _Locale);
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#endif
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_CRTIMP double __cdecl _cabs(struct _complex _ComplexA);
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double __cdecl ceil(double _X);
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double __cdecl floor(double _X);
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double __cdecl frexp(double _X,int *_Y);
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double __cdecl _hypot(double _X,double _Y);
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_CRTIMP double __cdecl _j0(double _X);
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_CRTIMP double __cdecl _j1(double _X);
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_CRTIMP double __cdecl _jn(int _X,double _Y);
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double __cdecl ldexp(double _X,int _Y);
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#ifndef _CRT_MATHERR_DEFINED
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#define _CRT_MATHERR_DEFINED
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int __cdecl _matherr(struct _exception *_Except);
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#endif
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double __cdecl modf(double _X,double *_Y);
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_CRTIMP double __cdecl _y0(double _X);
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_CRTIMP double __cdecl _y1(double _X);
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_CRTIMP double __cdecl _yn(int _X,double _Y);
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#if(defined(_X86_) && !defined(__x86_64))
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_CRTIMP int __cdecl _set_SSE2_enable(int _Flag);
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/* from libmingwex */
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float __cdecl _hypotf(float _X,float _Y);
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#endif
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float frexpf(float _X,int *_Y);
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float __cdecl ldexpf(float _X,int _Y);
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long double __cdecl ldexpl(long double _X,int _Y);
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float __cdecl acosf(float _X);
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float __cdecl asinf(float _X);
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float __cdecl atanf(float _X);
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float __cdecl atan2f(float _X,float _Y);
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float __cdecl cosf(float _X);
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float __cdecl sinf(float _X);
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float __cdecl tanf(float _X);
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float __cdecl coshf(float _X);
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float __cdecl sinhf(float _X);
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float __cdecl tanhf(float _X);
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float __cdecl expf(float _X);
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float __cdecl expm1f(float _X);
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float __cdecl logf(float _X);
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float __cdecl log10f(float _X);
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float __cdecl modff(float _X,float *_Y);
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float __cdecl powf(float _X,float _Y);
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float __cdecl sqrtf(float _X);
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float __cdecl ceilf(float _X);
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float __cdecl floorf(float _X);
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float __cdecl fmodf(float _X,float _Y);
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float __cdecl _hypotf(float _X,float _Y);
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float __cdecl fabsf(float _X);
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#if !defined(__ia64__)
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/* from libmingwex */
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float __cdecl _copysignf (float _Number,float _Sign);
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float __cdecl _chgsignf (float _X);
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float __cdecl _logbf(float _X);
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float __cdecl _nextafterf(float _X,float _Y);
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int __cdecl _finitef(float _X);
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int __cdecl _isnanf(float _X);
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int __cdecl _fpclassf(float _X);
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#endif
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#ifndef __cplusplus
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__CRT_INLINE long double __cdecl fabsl (long double x)
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{
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long double res;
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__asm__ ("fabs;" : "=t" (res) : "0" (x));
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return res;
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}
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#define _hypotl(x,y) ((long double)_hypot((double)(x),(double)(y)))
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#define _matherrl _matherr
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__CRT_INLINE long double _chgsignl(long double _Number) { return _chgsign((double)(_Number)); }
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__CRT_INLINE long double _copysignl(long double _Number,long double _Sign) { return _copysign((double)(_Number),(double)(_Sign)); }
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__CRT_INLINE float frexpf(float _X,int *_Y) { return ((float)frexp((double)_X,_Y)); }
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#if !defined (__ia64__)
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__CRT_INLINE float __cdecl fabsf (float x)
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{
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float res;
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__asm__ ("fabs;" : "=t" (res) : "0" (x));
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return res;
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}
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__CRT_INLINE float __cdecl ldexpf (float x, int expn) { return (float) ldexp (x, expn); }
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#endif
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#else
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// cplusplus
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__CRT_INLINE long double __cdecl fabsl (long double x)
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{
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long double res;
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__asm__ ("fabs;" : "=t" (res) : "0" (x));
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return res;
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}
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__CRT_INLINE long double modfl(long double _X,long double *_Y) {
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double _Di,_Df = modf((double)_X,&_Di);
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*_Y = (long double)_Di;
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return (_Df);
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}
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__CRT_INLINE long double _chgsignl(long double _Number) { return _chgsign(static_cast<double>(_Number)); }
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__CRT_INLINE long double _copysignl(long double _Number,long double _Sign) { return _copysign(static_cast<double>(_Number),static_cast<double>(_Sign)); }
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__CRT_INLINE float frexpf(float _X,int *_Y) { return ((float)frexp((double)_X,_Y)); }
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#ifndef __ia64__
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__CRT_INLINE float __cdecl fabsf (float x)
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{
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float res;
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__asm__ ("fabs;" : "=t" (res) : "0" (x));
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return res;
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}
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__CRT_INLINE float __cdecl ldexpf (float x, int expn) { return (float) ldexp (x, expn); }
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#ifndef __x86_64
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__CRT_INLINE float acosf(float _X) { return ((float)acos((double)_X)); }
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__CRT_INLINE float asinf(float _X) { return ((float)asin((double)_X)); }
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__CRT_INLINE float atanf(float _X) { return ((float)atan((double)_X)); }
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__CRT_INLINE float atan2f(float _X,float _Y) { return ((float)atan2((double)_X,(double)_Y)); }
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__CRT_INLINE float ceilf(float _X) { return ((float)ceil((double)_X)); }
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__CRT_INLINE float cosf(float _X) { return ((float)cos((double)_X)); }
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__CRT_INLINE float coshf(float _X) { return ((float)cosh((double)_X)); }
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__CRT_INLINE float expf(float _X) { return ((float)exp((double)_X)); }
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__CRT_INLINE float floorf(float _X) { return ((float)floor((double)_X)); }
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__CRT_INLINE float fmodf(float _X,float _Y) { return ((float)fmod((double)_X,(double)_Y)); }
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__CRT_INLINE float logf(float _X) { return ((float)log((double)_X)); }
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__CRT_INLINE float log10f(float _X) { return ((float)log10((double)_X)); }
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__CRT_INLINE float modff(float _X,float *_Y) {
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double _Di,_Df = modf((double)_X,&_Di);
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*_Y = (float)_Di;
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return ((float)_Df);
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}
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__CRT_INLINE float powf(float _X,float _Y) { return ((float)pow((double)_X,(double)_Y)); }
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__CRT_INLINE float sinf(float _X) { return ((float)sin((double)_X)); }
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__CRT_INLINE float sinhf(float _X) { return ((float)sinh((double)_X)); }
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__CRT_INLINE float sqrtf(float _X) { return ((float)sqrt((double)_X)); }
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__CRT_INLINE float tanf(float _X) { return ((float)tan((double)_X)); }
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__CRT_INLINE float tanhf(float _X) { return ((float)tanh((double)_X)); }
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#endif
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#endif
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#endif
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#ifndef NO_OLDNAMES
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#define matherr _matherr
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#define HUGE _HUGE
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/* double __cdecl cabs(struct _complex _X); */
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double __cdecl hypot(double _X,double _Y);
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_CRTIMP double __cdecl j0(double _X);
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_CRTIMP double __cdecl j1(double _X);
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_CRTIMP double __cdecl jn(int _X,double _Y);
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_CRTIMP double __cdecl y0(double _X);
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_CRTIMP double __cdecl y1(double _X);
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_CRTIMP double __cdecl yn(int _X,double _Y);
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#endif
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#ifndef __NO_ISOCEXT
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#if (defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) \
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|| !defined __STRICT_ANSI__ || defined __GLIBCPP__
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#define NAN (0.0F/0.0F)
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#define HUGE_VALF (1.0F/0.0F)
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#define HUGE_VALL (1.0L/0.0L)
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#define INFINITY (1.0F/0.0F)
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#define FP_NAN 0x0100
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#define FP_NORMAL 0x0400
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#define FP_INFINITE (FP_NAN | FP_NORMAL)
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#define FP_ZERO 0x4000
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#define FP_SUBNORMAL (FP_NORMAL | FP_ZERO)
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/* 0x0200 is signbit mask */
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/*
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We can't __CRT_INLINE float or double, because we want to ensure truncation
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to semantic type before classification.
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(A normal long double value might become subnormal when
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converted to double, and zero when converted to float.)
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*/
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extern int __cdecl __fpclassifyf (float);
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extern int __cdecl __fpclassify (double);
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extern int __cdecl __fpclassifyl (long double);
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/* Implemented at tcc/tcc_libm.h */
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#define fpclassify(x) (sizeof (x) == sizeof (float) ? __fpclassifyf (x) \
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: sizeof (x) == sizeof (double) ? __fpclassify (x) \
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: __fpclassifyl (x))
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/* 7.12.3.2 */
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#define isfinite(x) ((fpclassify(x) & FP_NAN) == 0)
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/* 7.12.3.3 */
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#define isinf(x) (fpclassify(x) == FP_INFINITE)
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/* 7.12.3.4 */
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/* We don't need to worry about truncation here:
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A NaN stays a NaN. */
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#define isnan(x) (fpclassify(x) == FP_NAN)
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/* 7.12.3.5 */
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#define isnormal(x) (fpclassify(x) == FP_NORMAL)
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/* 7.12.3.6 The signbit macro */
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extern int __cdecl __signbitf (float);
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extern int __cdecl __signbit (double);
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extern int __cdecl __signbitl (long double);
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/* Implemented at tcc/tcc_libm.h */
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#define signbit(x) (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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extern double __cdecl exp2(double);
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extern float __cdecl exp2f(float);
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extern long double __cdecl exp2l(long double);
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#define FP_ILOGB0 ((int)0x80000000)
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#define FP_ILOGBNAN ((int)0x80000000)
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extern int __cdecl ilogb (double);
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extern int __cdecl ilogbf (float);
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extern int __cdecl ilogbl (long double);
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extern double __cdecl log1p(double);
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extern float __cdecl log1pf(float);
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extern long double __cdecl log1pl(long double);
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extern double __cdecl log2 (double);
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extern float __cdecl log2f (float);
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extern long double __cdecl log2l (long double);
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extern double __cdecl logb (double);
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extern float __cdecl logbf (float);
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extern long double __cdecl logbl (long double);
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__CRT_INLINE double __cdecl logb (double x)
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{
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double res;
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__asm__ ("fxtract\n\t"
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"fstp %%st" : "=t" (res) : "0" (x));
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return res;
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}
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__CRT_INLINE float __cdecl logbf (float x)
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{
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float res;
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__asm__ ("fxtract\n\t"
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"fstp %%st" : "=t" (res) : "0" (x));
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return res;
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}
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__CRT_INLINE long double __cdecl logbl (long double x)
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{
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long double res;
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__asm__ ("fxtract\n\t"
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"fstp %%st" : "=t" (res) : "0" (x));
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return res;
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}
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extern long double __cdecl modfl (long double, long double*);
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/* 7.12.6.13 */
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extern double __cdecl scalbn (double, int);
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extern float __cdecl scalbnf (float, int);
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extern long double __cdecl scalbnl (long double, int);
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extern double __cdecl scalbln (double, long);
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extern float __cdecl scalblnf (float, long);
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extern long double __cdecl scalblnl (long double, long);
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/* 7.12.7.1 */
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/* Implementations adapted from Cephes versions */
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extern double __cdecl cbrt (double);
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extern float __cdecl cbrtf (float);
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extern long double __cdecl cbrtl (long double);
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__CRT_INLINE float __cdecl hypotf (float x, float y)
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{ return (float) hypot (x, y);}
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extern long double __cdecl hypotl (long double, long double);
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extern long double __cdecl powl (long double, long double);
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extern long double __cdecl expl(long double);
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extern long double __cdecl expm1l(long double);
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extern long double __cdecl coshl(long double);
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extern long double __cdecl fabsl (long double);
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extern long double __cdecl acosl(long double);
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extern long double __cdecl asinl(long double);
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extern long double __cdecl atanl(long double);
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extern long double __cdecl atan2l(long double,long double);
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extern long double __cdecl sinhl(long double);
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extern long double __cdecl tanhl(long double);
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/* 7.12.8.1 The erf functions */
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extern double __cdecl erf (double);
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extern float __cdecl erff (float);
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/* TODO
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extern long double __cdecl erfl (long double);
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*/
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/* 7.12.8.2 The erfc functions */
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extern double __cdecl erfc (double);
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extern float __cdecl erfcf (float);
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/* TODO
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extern long double __cdecl erfcl (long double);
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*/
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/* 7.12.8.3 The lgamma functions */
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extern double __cdecl lgamma (double);
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extern float __cdecl lgammaf (float);
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extern long double __cdecl lgammal (long double);
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/* 7.12.8.4 The tgamma functions */
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extern double __cdecl tgamma (double);
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extern float __cdecl tgammaf (float);
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extern long double __cdecl tgammal (long double);
|
|
|
|
extern long double __cdecl ceill (long double);
|
|
extern long double __cdecl floorl (long double);
|
|
extern long double __cdecl frexpl(long double,int *);
|
|
extern long double __cdecl log10l(long double);
|
|
extern long double __cdecl logl(long double);
|
|
extern long double __cdecl cosl(long double);
|
|
extern long double __cdecl sinl(long double);
|
|
extern long double __cdecl tanl(long double);
|
|
extern long double sqrtl(long double);
|
|
|
|
/* 7.12.9.3 */
|
|
extern double __cdecl nearbyint ( double);
|
|
extern float __cdecl nearbyintf (float);
|
|
extern long double __cdecl nearbyintl (long double);
|
|
|
|
/* 7.12.9.4 */
|
|
/* round, using fpu control word settings */
|
|
__CRT_INLINE double __cdecl rint (double x)
|
|
{
|
|
double retval;
|
|
__asm__ (
|
|
"fldl %1\n"
|
|
"frndint \n"
|
|
"fstl %0\n" : "=m" (retval) : "m" (x));
|
|
return retval;
|
|
}
|
|
|
|
__CRT_INLINE float __cdecl rintf (float x)
|
|
{
|
|
float retval;
|
|
__asm__ (
|
|
"flds %1\n"
|
|
"frndint \n"
|
|
"fsts %0\n" : "=m" (retval) : "m" (x));
|
|
return retval;
|
|
}
|
|
|
|
__CRT_INLINE long double __cdecl rintl (long double x)
|
|
{
|
|
long double retval;
|
|
__asm__ (
|
|
"fldt %1\n"
|
|
"frndint \n"
|
|
"fstt %0\n" : "=m" (retval) : "m" (x));
|
|
return retval;
|
|
}
|
|
|
|
/* 7.12.9.5 */
|
|
__CRT_INLINE long __cdecl lrint (double x)
|
|
{
|
|
long retval;
|
|
__asm__ __volatile__ \
|
|
("fldl %1\n" \
|
|
"fistpl %0" : "=m" (retval) : "m" (x)); \
|
|
return retval;
|
|
}
|
|
|
|
__CRT_INLINE long __cdecl lrintf (float x)
|
|
{
|
|
long retval;
|
|
__asm__ __volatile__ \
|
|
("flds %1\n" \
|
|
"fistpl %0" : "=m" (retval) : "m" (x)); \
|
|
return retval;
|
|
}
|
|
|
|
__CRT_INLINE long __cdecl lrintl (long double x)
|
|
{
|
|
long retval;
|
|
__asm__ __volatile__ \
|
|
("fldt %1\n" \
|
|
"fistpl %0" : "=m" (retval) : "m" (x)); \
|
|
return retval;
|
|
}
|
|
|
|
__CRT_INLINE long long __cdecl llrint (double x)
|
|
{
|
|
long long retval;
|
|
__asm__ __volatile__ \
|
|
("fldl %1\n" \
|
|
"fistpll %0" : "=m" (retval) : "m" (x)); \
|
|
return retval;
|
|
}
|
|
|
|
__CRT_INLINE long long __cdecl llrintf (float x)
|
|
{
|
|
long long retval;
|
|
__asm__ __volatile__ \
|
|
("flds %1\n" \
|
|
"fistpll %0" : "=m" (retval) : "m" (x)); \
|
|
return retval;
|
|
}
|
|
|
|
__CRT_INLINE long long __cdecl llrintl (long double x)
|
|
{
|
|
long long retval;
|
|
__asm__ __volatile__ \
|
|
("fldt %1\n" \
|
|
"fistpll %0" : "=m" (retval) : "m" (x)); \
|
|
return retval;
|
|
}
|
|
|
|
#define FE_TONEAREST 0x0000
|
|
#define FE_DOWNWARD 0x0400
|
|
#define FE_UPWARD 0x0800
|
|
#define FE_TOWARDZERO 0x0c00
|
|
|
|
__CRT_INLINE double trunc (double _x)
|
|
{
|
|
double retval;
|
|
unsigned short saved_cw;
|
|
unsigned short tmp_cw;
|
|
__asm__ ("fnstcw %0;" : "=m" (saved_cw)); /* save FPU control word */
|
|
tmp_cw = (saved_cw & ~(FE_TONEAREST | FE_DOWNWARD | FE_UPWARD | FE_TOWARDZERO))
|
|
| FE_TOWARDZERO;
|
|
__asm__ ("fldcw %0;" : : "m" (tmp_cw));
|
|
__asm__ ("fldl %1;"
|
|
"frndint;"
|
|
"fstl %0;" : "=m" (retval) : "m" (_x)); /* round towards zero */
|
|
__asm__ ("fldcw %0;" : : "m" (saved_cw) ); /* restore saved control word */
|
|
return retval;
|
|
}
|
|
|
|
/* 7.12.9.6 */
|
|
/* round away from zero, regardless of fpu control word settings */
|
|
extern double __cdecl round (double);
|
|
extern float __cdecl roundf (float);
|
|
extern long double __cdecl roundl (long double);
|
|
|
|
/* 7.12.9.7 */
|
|
extern long __cdecl lround (double);
|
|
extern long __cdecl lroundf (float);
|
|
extern long __cdecl lroundl (long double);
|
|
|
|
extern long long __cdecl llround (double);
|
|
extern long long __cdecl llroundf (float);
|
|
extern long long __cdecl llroundl (long double);
|
|
|
|
/* 7.12.9.8 */
|
|
/* round towards zero, regardless of fpu control word settings */
|
|
extern double __cdecl trunc (double);
|
|
extern float __cdecl truncf (float);
|
|
extern long double __cdecl truncl (long double);
|
|
|
|
extern long double __cdecl fmodl (long double, long double);
|
|
|
|
/* 7.12.10.2 */
|
|
extern double __cdecl remainder (double, double);
|
|
extern float __cdecl remainderf (float, float);
|
|
extern long double __cdecl remainderl (long double, long double);
|
|
|
|
/* 7.12.10.3 */
|
|
extern double __cdecl remquo(double, double, int *);
|
|
extern float __cdecl remquof(float, float, int *);
|
|
extern long double __cdecl remquol(long double, long double, int *);
|
|
|
|
/* 7.12.11.1 */
|
|
extern double __cdecl copysign (double, double); /* in libmoldname.a */
|
|
extern float __cdecl copysignf (float, float);
|
|
extern long double __cdecl copysignl (long double, long double);
|
|
|
|
/* 7.12.11.2 Return a NaN */
|
|
extern double __cdecl nan(const char *tagp);
|
|
extern float __cdecl nanf(const char *tagp);
|
|
extern long double __cdecl nanl(const char *tagp);
|
|
|
|
#ifndef __STRICT_ANSI__
|
|
#define _nan() nan("")
|
|
#define _nanf() nanf("")
|
|
#define _nanl() nanl("")
|
|
#endif
|
|
|
|
/* 7.12.11.3 */
|
|
extern double __cdecl nextafter (double, double); /* in libmoldname.a */
|
|
extern float __cdecl nextafterf (float, float);
|
|
extern long double __cdecl 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 __cdecl fdim (double x, double y);
|
|
extern float __cdecl fdimf (float x, float y);
|
|
extern long double __cdecl 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 __cdecl fmax (double, double);
|
|
extern float __cdecl fmaxf (float, float);
|
|
extern long double __cdecl fmaxl (long double, long double);
|
|
|
|
/* 7.12.12.3 */
|
|
extern double __cdecl fmin (double, double);
|
|
extern float __cdecl fminf (float, float);
|
|
extern long double __cdecl fminl (long double, long double);
|
|
|
|
/* 7.12.13.1 */
|
|
/* return x * y + z as a ternary op */
|
|
extern double __cdecl fma (double, double, double);
|
|
extern float __cdecl fmaf (float, float, float);
|
|
extern long double __cdecl fmal (long double, long double, long double);
|
|
|
|
|
|
#if 0 // gr: duplicate, see below
|
|
/* 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 */
|
|
__CRT_INLINE int __cdecl
|
|
__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 //0
|
|
|
|
|
|
#endif /* __STDC_VERSION__ >= 199901L */
|
|
#endif /* __NO_ISOCEXT */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
extern "C++" {
|
|
template<class _Ty> inline _Ty _Pow_int(_Ty _X,int _Y) {
|
|
unsigned int _N;
|
|
if(_Y >= 0) _N = (unsigned int)_Y;
|
|
else _N = (unsigned int)(-_Y);
|
|
for(_Ty _Z = _Ty(1);;_X *= _X) {
|
|
if((_N & 1)!=0) _Z *= _X;
|
|
if((_N >>= 1)==0) return (_Y < 0 ? _Ty(1) / _Z : _Z);
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
#pragma pack(pop)
|
|
|
|
/* 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).
|
|
*/
|
|
|
|
/* Mini libm (inline __fpclassify*, __signbit* and variants) */
|
|
#include "tcc/tcc_libm.h"
|
|
|
|
#endif /* End _MATH_H_ */
|
|
|