mirror of https://github.com/PrimeDecomp/prime.git
149 lines
4.0 KiB
C
149 lines
4.0 KiB
C
/* @(#)fdlibm.h 1.2 95/01/04 */
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/*
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* ====================================================
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* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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*
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* Developed at SunPro, a Sun Microsystems, Inc. business.
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* Permission to use, copy, modify, and distribute this
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* software is freely granted, provided that this notice
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* is preserved.
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* ====================================================
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*/
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#ifdef __STDC__
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#include <errno.h>
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#include <math.h>
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#endif
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#define _IEEE_LIBM
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#if __option(little_endian)
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#define __HIp(x) *(1 + (_INT32*)x) /*- cc 020130 -*/
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#define __LOp(x) *(_INT32*)x /*- cc 020130 -*/
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#else
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#define __HIp(x) *(_INT32*)x /*- cc 020130 -*/
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#define __LOp(x) *(1 + (_INT32*)x) /*- cc 020130 -*/
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#endif
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#ifdef __STDC__
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#define __P(p) p
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#else
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#define __P(p) ()
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#endif
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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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enum fdversion { fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix };
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#define _LIB_VERSION_TYPE enum fdversion
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#define _LIB_VERSION _fdlib_version
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/* if global variable _LIB_VERSION is not desirable, one may
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* change the following to be a constant by:
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* #define _LIB_VERSION_TYPE const enum version
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* In that case, after one initializes the value _LIB_VERSION (see
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* s_lib_version.c) during compile time, it cannot be modified
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* in the middle of a program
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*/
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extern _LIB_VERSION_TYPE _LIB_VERSION;
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#define _IEEE_ fdlibm_ieee
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#define _SVID_ fdlibm_svid
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#define _XOPEN_ fdlibm_xopen
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#define _POSIX_ fdlibm_posix
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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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#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 int matherr __P((struct exception*));
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/*
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* IEEE Test Vector
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*/
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extern double significand __P((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 int ilogb __P((double));
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/*
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* BSD math library entry points
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*/
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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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extern double gamma_r __P((double, int*));
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extern double lgamma_r __P((double, int*));
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#endif /* _REENTRANT */
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/* ieee style elementary functions */
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extern double __ieee754_sqrt __P((double));
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extern double __ieee754_acos __P((double));
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extern double __ieee754_acosh __P((double));
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extern double __ieee754_log __P((double));
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extern double __ieee754_atanh __P((double));
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extern double __ieee754_asin __P((double));
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extern double __ieee754_atan2 __P((double, double));
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extern double __ieee754_exp __P((double));
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extern double __ieee754_cosh __P((double));
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extern double __ieee754_fmod __P((double, double));
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extern double __ieee754_pow __P((double, double));
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extern double __ieee754_lgamma_r __P((double, int*));
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extern double __ieee754_gamma_r __P((double, int*));
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extern double __ieee754_lgamma __P((double));
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extern double __ieee754_gamma __P((double));
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extern double __ieee754_log10 __P((double));
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extern double __ieee754_sinh __P((double));
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extern double __ieee754_hypot __P((double, double));
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extern double __ieee754_j0 __P((double));
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extern double __ieee754_j1 __P((double));
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extern double __ieee754_y0 __P((double));
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extern double __ieee754_y1 __P((double));
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extern double __ieee754_jn __P((int, double));
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extern double __ieee754_yn __P((int, double));
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extern double __ieee754_remainder __P((double, double));
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extern int __ieee754_rem_pio2 __P((double, double*));
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extern double __ieee754_scalb __P((double, int));
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/* fdlibm kernel function */
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extern double __kernel_standard __P((double, double, int));
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extern double __kernel_sin __P((double, double, int));
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extern double __kernel_cos __P((double, double));
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extern double __kernel_tan __P((double, double, int));
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extern int __kernel_rem_pio2 __P((double*, double*, int, int, int, const int*)); |