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202 lines
6.9 KiB
C
202 lines
6.9 KiB
C
/*
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* @(#) $(JCGO)/minihdr/common/math.h --
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* a part of the minimalist "libc" headers for JCGO.
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**
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* Project: JCGO (http://www.ivmaisoft.com/jcgo/)
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* Copyright (C) 2001-2009 Ivan Maidanski <ivmai@ivmaisoft.com>
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* All rights reserved.
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*/
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/*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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**
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* This software is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License (GPL) for more details.
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**
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* Linking this library statically or dynamically with other modules is
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* making a combined work based on this library. Thus, the terms and
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* conditions of the GNU General Public License cover the whole
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* combination.
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**
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* As a special exception, the copyright holders of this library give you
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* permission to link this library with independent modules to produce an
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* executable, regardless of the license terms of these independent
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* modules, and to copy and distribute the resulting executable under
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* terms of your choice, provided that you also meet, for each linked
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* independent module, the terms and conditions of the license of that
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* module. An independent module is a module which is not derived from
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* or based on this library. If you modify this library, you may extend
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* this exception to your version of the library, but you are not
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* obligated to do so. If you do not wish to do so, delete this
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* exception statement from your version.
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*/
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#ifndef _MATH_H
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#define _MATH_H
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#ifndef _STDDEF_H
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#include <stddef.h>
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#endif
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#ifndef _EXPFUNC_MATH
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#define _EXPFUNC_MATH _EXPFUNC_BUILTIN
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#endif
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#ifndef _RTLENTRY_MATH
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#define _RTLENTRY_MATH _RTLENTRY_BUILTIN
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#endif
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#ifndef INFINITY
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_EXPFUNC_MATH float _RTLENTRY_MATH __f_infinity_func(void) _ATTRIBUTE_PURE;
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#define INFINITY __f_infinity_func() /* or (1f / 0) */
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#endif
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#ifndef HUGE_VAL
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#define HUGE_VAL ((double)INFINITY)
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#endif
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#ifndef NAN
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_EXPFUNC_MATH float _RTLENTRY_MATH __f_posqnan_func(void) _ATTRIBUTE_PURE;
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#define NAN __f_posqnan_func() /* or (0f / 0) */
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#endif
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#ifndef M_E
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#define M_E 2.71828182845904523536
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#define M_LN2 0.69314718055994530942
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#define M_LN10 2.30258509299404568402
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#define M_PI 3.14159265358979323846
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#define M_SQRT2 1.41421356237309504880
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#endif
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_EXPFUNC_MATH double _RTLENTRY_MATH acos(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH asin(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH atan(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH atan2(double, double);
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_EXPFUNC_MATH double _RTLENTRY_MATH cos(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH cosh(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH exp(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH floor(double) _ATTRIBUTE_PURE;
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_EXPFUNC_MATH double _RTLENTRY_MATH fmod(double, double);
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_EXPFUNC_MATH double _RTLENTRY_MATH log(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH log10(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH pow(double, double);
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_EXPFUNC_MATH double _RTLENTRY_MATH sin(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH sinh(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH sqrt(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH tan(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH tanh(double);
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#ifndef _MATH_NO_HYPOT
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_EXPFUNC_MATH double _RTLENTRY_MATH hypot(double, double);
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#endif
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_EXPFUNC_MATH double _RTLENTRY_MATH cbrt(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH expm1(double);
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_EXPFUNC_MATH double _RTLENTRY_MATH log1p(double);
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_EXPFUNC_MATH float _RTLENTRY_MATH floorf(float) _ATTRIBUTE_PURE;
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_EXPFUNC_MATH float _RTLENTRY_MATH fmodf(float, float);
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_EXPFUNC_MATH int _RTLENTRY_MATH finitef(float) _ATTRIBUTE_PURE;
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_EXPFUNC_MATH int _RTLENTRY_MATH isnanf(float) _ATTRIBUTE_PURE;
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#ifndef _isnan
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#define _isnan isnan
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#endif
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_EXPFUNC_MATH int _RTLENTRY_MATH finite(double) _ATTRIBUTE_PURE;
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_EXPFUNC_MATH int _RTLENTRY_MATH _isnan(double) _ATTRIBUTE_PURE;
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#ifndef _MATH_NO_SIGNBIT
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_EXPFUNC_MATH int _RTLENTRY_MATH __signbit(double) _ATTRIBUTE_PURE;
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_EXPFUNC_MATH int _RTLENTRY_MATH __signbitf(float) _ATTRIBUTE_PURE;
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#endif
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#ifdef _MATH_HAS_LONGDOUBLE
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#ifndef M_El
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#define M_El 2.7182818284590452353602874713526625L
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#define M_LN2l 0.6931471805599453094172321214581766L
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#define M_LN10l 2.3025850929940456840179914546843642L
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#define M_PIl 3.1415926535897932384626433832795029L
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#define M_SQRT2l 1.4142135623730950488016887242096981L
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#endif
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_EXPFUNC_MATH long double _RTLENTRY_MATH acosl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH asinl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH atan2l(long double, long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH atanl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH coshl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH cosl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH expl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH floorl(long double) _ATTRIBUTE_PURE;
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_EXPFUNC_MATH long double _RTLENTRY_MATH fmodl(long double, long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH log10l(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH logl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH powl(long double, long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH sinhl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH sinl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH sqrtl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH tanhl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH tanl(long double);
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#ifndef _MATH_NO_HYPOT
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_EXPFUNC_MATH long double _RTLENTRY_MATH hypotl(long double, long double);
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#endif
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_EXPFUNC_MATH long double _RTLENTRY_MATH cbrtl(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH expm1l(long double);
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_EXPFUNC_MATH long double _RTLENTRY_MATH log1pl(long double);
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_EXPFUNC_MATH int _RTLENTRY_MATH finitel(long double) _ATTRIBUTE_PURE;
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_EXPFUNC_MATH int _RTLENTRY_MATH isnanl(long double) _ATTRIBUTE_PURE;
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#ifndef _MATH_NO_SIGNBIT
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_EXPFUNC_MATH int _RTLENTRY_MATH __signbitl(long double) _ATTRIBUTE_PURE;
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#ifndef signbit
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#define signbit(v) (sizeof(v) == sizeof(float) ? __signbitf((float)(v)) : sizeof(v) == sizeof(double) ? __signbit((double)(v)) : __signbitl(v))
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#endif
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#endif
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#ifndef isfinite
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#define isfinite(v) (sizeof(v) == sizeof(float) ? finitef((float)(v)) : sizeof(v) == sizeof(double) ? finite((double)(v)) : finitel(v))
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#endif
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#ifndef isnan
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#define isnan(v) (sizeof(v) == sizeof(float) ? isnanf((float)(v)) : sizeof(v) == sizeof(double) ? _isnan((double)(v)) : isnanl(v))
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#endif
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#else
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#ifndef _MATH_NO_SIGNBIT
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#ifndef signbit
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#define signbit(v) (sizeof(v) == sizeof(float) ? __signbitf((float)(v)) : __signbit(v))
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#endif
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#endif
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#ifndef isfinite
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#define isfinite(v) (sizeof(v) == sizeof(float) ? finitef((float)(v)) : finite(v))
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#endif
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#ifndef isnan
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#define isnan(v) (sizeof(v) == sizeof(float) ? isnanf((float)(v)) : _isnan(v))
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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