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add fdlibm
git-svn-id: http://svn2.nishi.boats/svn/milsko/trunk@557 b9cfdab3-6d41-4d17-bbe4-086880011989
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NishiOwO
245
external/fdlibm/math.h
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245
external/fdlibm/math.h
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/* @(#)fdlibm.h 1.5 04/04/22 */
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/*
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* ====================================================
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* Copyright (C) 2004 by Sun Microsystems, Inc. All rights reserved.
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*
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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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#ifndef _MATH_H_
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#define _MATH_H_
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/* Sometimes it's necessary to define __LITTLE_ENDIAN explicitly
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but these catch some common cases. */
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#if defined(__WATCOMC__) || defined(_MSC_VER) || defined(i386) || defined(i486) || defined(intel) || defined(x86) || defined(i86pc) || defined(__alpha) || defined(__osf__) || __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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#define __LITTLE_ENDIAN
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#endif
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#ifdef __LITTLE_ENDIAN
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#define __HI(x) *(1 + (int*)&x)
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#define __LO(x) *(int*)&x
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#define __HIp(x) *(1 + (int*)x)
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#define __LOp(x) *(int*)x
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#else
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#define __HI(x) *(int*)&x
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#define __LO(x) *(1 + (int*)&x)
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#define __HIp(x) *(int*)x
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#define __LOp(x) *(1 + (int*)x)
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#endif
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#define signgam fdlibm_signgam
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#define acos fdlibm_acos
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#define asin fdlibm_asin
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#define atan fdlibm_atan
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#define atan2 fdlibm_atan2
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#define cos fdlibm_cos
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#define sin fdlibm_sin
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#define tan fdlibm_tan
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#define cosh fdlibm_cosh
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#define sinh fdlibm_sinh
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#define tanh fdlibm_tanh
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#define exp fdlibm_exp
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#define frexp fdlibm_frexp
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#define ldexp fdlibm_ldexp
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#define log fdlibm_log
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#define log10 fdlibm_log10
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#define modf fdlibm_modf
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#define pow fdlibm_pow
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#define sqrt fdlibm_sqrt
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#define ceil fdlibm_ceil
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#define fabs fdlibm_fabs
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#define floor fdlibm_floor
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#define fmod fdlibm_fmod
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#define erf fdlibm_erf
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#define erfc fdlibm_erfc
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#define gamma fdlibm_gamma
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#define hypot fdlibm_hypot
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#define isnan fdlibm_isnan
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#define finite fdlibm_finite
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#define j0 fdlibm_j0
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#define j1 fdlibm_j1
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#define jn fdlibm_jn
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#define lgamma fdlibm_lgamma
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#define y0 fdlibm_y0
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#define y1 fdlibm_y1
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#define yn fdlibm_yn
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#define acosh fdlibm_acosh
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#define asinh fdlibm_asinh
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#define atanh fdlibm_atanh
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#define cbrt fdlibm_cbrt
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#define logb fdlibm_logb
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#define nextafter fdlibm_nextafter
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#define remainder fdlibm_remainder
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#define scalb fdlibm_scalb
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#define significand fdlibm_significand
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#define copysign fdlibm_copysign
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#define ilogb fdlibm_ilogb
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#define rint fdlibm_rint
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#define scalbn fdlibm_scalbn
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#define expm1 fdlibm_expm1
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#define log1p fdlibm_log1p
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/*
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* ANSI/POSIX
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*/
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extern int signgam;
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#define MAXFLOAT ((float)3.40282346638528860e+38)
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#define HUGE MAXFLOAT
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/*
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* set X_TLOSS = pi*2**52, which is possibly defined in <values.h>
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* (one may replace the following line by "#include <values.h>")
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*/
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#define X_TLOSS 1.41484755040568800000e+16
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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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/*
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* ANSI/POSIX
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*/
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extern double acos(double);
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extern double asin(double);
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extern double atan(double);
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extern double atan2(double, double);
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extern double cos(double);
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extern double sin(double);
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extern double tan(double);
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extern double cosh(double);
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extern double sinh(double);
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extern double tanh(double);
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extern double exp(double);
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extern double frexp(double, int*);
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extern double ldexp(double, int);
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extern double log(double);
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extern double log10(double);
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extern double modf(double, double*);
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extern double pow(double, double);
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extern double sqrt(double);
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extern double ceil(double);
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extern double fabs(double);
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extern double floor(double);
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extern double fmod(double, double);
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extern double erf(double);
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extern double erfc(double);
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extern double gamma(double);
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extern double hypot(double, double);
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extern int isnan(double);
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extern int finite(double);
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extern double j0(double);
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extern double j1(double);
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extern double jn(int, double);
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extern double lgamma(double);
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extern double y0(double);
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extern double y1(double);
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extern double yn(int, double);
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extern double acosh(double);
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extern double asinh(double);
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extern double atanh(double);
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extern double cbrt(double);
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extern double logb(double);
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extern double nextafter(double, double);
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extern double remainder(double, double);
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extern double scalb(double, double);
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/*
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* IEEE Test Vector
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*/
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extern double significand(double);
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/*
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* Functions callable from C, intended to support IEEE arithmetic.
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*/
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extern double copysign(double, double);
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extern int ilogb(double);
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extern double rint(double);
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extern double scalbn(double, int);
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/*
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* BSD math library entry points
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*/
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extern double expm1(double);
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extern double log1p(double);
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/*
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* Reentrant version of gamma & lgamma; passes signgam back by reference
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* as the second argument; user must allocate space for signgam.
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*/
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#ifdef _REENTRANT
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#define gamma_r fdlibm_gamma_r
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#define lgamma_r fdlibm_lgamma_r
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extern double gamma_r(double, int*);
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extern double lgamma_r(double, int*);
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#endif /* _REENTRANT */
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/* ieee style elementary functions */
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extern double __fdlibm_sqrt(double);
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extern double __fdlibm_acos(double);
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extern double __fdlibm_acosh(double);
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extern double __fdlibm_log(double);
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extern double __fdlibm_atanh(double);
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extern double __fdlibm_asin(double);
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extern double __fdlibm_atan2(double, double);
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extern double __fdlibm_exp(double);
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extern double __fdlibm_cosh(double);
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extern double __fdlibm_fmod(double, double);
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extern double __fdlibm_pow(double, double);
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extern double __fdlibm_lgamma_r(double, int*);
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extern double __fdlibm_gamma_r(double, int*);
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extern double __fdlibm_lgamma(double);
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extern double __fdlibm_gamma(double);
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extern double __fdlibm_log10(double);
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extern double __fdlibm_sinh(double);
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extern double __fdlibm_hypot(double, double);
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extern double __fdlibm_j0(double);
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extern double __fdlibm_j1(double);
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extern double __fdlibm_y0(double);
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extern double __fdlibm_y1(double);
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extern double __fdlibm_jn(int, double);
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extern double __fdlibm_yn(int, double);
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extern double __fdlibm_remainder(double, double);
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extern int __fdlibm_rem_pio2(double, double*);
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#ifdef _SCALB_INT
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extern double __fdlibm_scalb(double, int);
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#else
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extern double __fdlibm_scalb(double, double);
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#endif
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/* fdlibm kernel function */
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extern double __fdlibm_kernel_sin(double, double, int);
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extern double __fdlibm_kernel_cos(double, double);
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extern double __fdlibm_kernel_tan(double, double, int);
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extern int __fdlibm_kernel_rem_pio2(double*, double*, int, int, int, const int*);
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#endif
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