ossp-pkg/js/src/fdlibm/fdlibm.h
1.1
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Sun Microsystems, Inc.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* @(#)fdlibm.h 1.5 95/01/18 */
/*
* ====================================================
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
*
* Developed at SunSoft, a Sun Microsystems, Inc. business.
* Permission to use, copy, modify, and distribute this
* software is freely granted, provided that this notice
* is preserved.
* ====================================================
*/
/* Modified defines start here.. */
#undef __LITTLE_ENDIAN
#ifdef _WIN32
#define huge myhuge
#define __LITTLE_ENDIAN
#endif
#ifdef XP_OS2
#define __LITTLE_ENDIAN
#endif
#if defined(linux) && (defined(__i386__) || defined(__x86_64__) || defined(__ia64) || (defined(__mips) && defined(__MIPSEL__)))
#define __LITTLE_ENDIAN
#endif
/* End here. The rest is the standard file. */
#ifdef SOLARIS /* special setup for Sun test regime */
#if defined(i386) || defined(i486) || \
defined(intel) || defined(x86) || defined(i86pc)
#define __LITTLE_ENDIAN
#endif
#endif
typedef union {
#ifdef __LITTLE_ENDIAN
struct { int lo, hi; } ints;
#else
struct { int hi, lo; } ints;
#endif
double d;
} fd_twoints;
#define __HI(x) x.ints.hi
#define __LO(x) x.ints.lo
#undef __P
#ifdef __STDC__
#define __P(p) p
#else
#define __P(p) ()
#endif
/*
* ANSI/POSIX
*/
extern int signgam;
#define MAXFLOAT ((float)3.40282346638528860e+38)
enum fdversion {fdlibm_ieee = -1, fdlibm_svid, fdlibm_xopen, fdlibm_posix};
#define _LIB_VERSION_TYPE enum fdversion
#define _LIB_VERSION _fdlib_version
/* if global variable _LIB_VERSION is not desirable, one may
* change the following to be a constant by:
* #define _LIB_VERSION_TYPE const enum version
* In that case, after one initializes the value _LIB_VERSION (see
* s_lib_version.c) during compile time, it cannot be modified
* in the middle of a program
*/
extern _LIB_VERSION_TYPE _LIB_VERSION;
#define _IEEE_ fdlibm_ieee
#define _SVID_ fdlibm_svid
#define _XOPEN_ fdlibm_xopen
#define _POSIX_ fdlibm_posix
struct exception {
int type;
char *name;
double arg1;
double arg2;
double retval;
};
#define HUGE MAXFLOAT
/*
* set X_TLOSS = pi*2**52, which is possibly defined in <values.h>
* (one may replace the following line by "#include <values.h>")
*/
#define X_TLOSS 1.41484755040568800000e+16
#define DOMAIN 1
#define SING 2
#define OVERFLOW 3
#define UNDERFLOW 4
#define TLOSS 5
#define PLOSS 6
/*
* ANSI/POSIX
*/
extern double fd_acos __P((double));
extern double fd_asin __P((double));
extern double fd_atan __P((double));
extern double fd_atan2 __P((double, double));
extern double fd_cos __P((double));
extern double fd_sin __P((double));
extern double fd_tan __P((double));
extern double fd_cosh __P((double));
extern double fd_sinh __P((double));
extern double fd_tanh __P((double));
extern double fd_exp __P((double));
extern double fd_frexp __P((double, int *));
extern double fd_ldexp __P((double, int));
extern double fd_log __P((double));
extern double fd_log10 __P((double));
extern double fd_modf __P((double, double *));
extern double fd_pow __P((double, double));
extern double fd_sqrt __P((double));
extern double fd_ceil __P((double));
extern double fd_fabs __P((double));
extern double fd_floor __P((double));
extern double fd_fmod __P((double, double));
extern double fd_erf __P((double));
extern double fd_erfc __P((double));
extern double fd_gamma __P((double));
extern double fd_hypot __P((double, double));
extern int fd_isnan __P((double));
extern int fd_finite __P((double));
extern double fd_j0 __P((double));
extern double fd_j1 __P((double));
extern double fd_jn __P((int, double));
extern double fd_lgamma __P((double));
extern double fd_y0 __P((double));
extern double fd_y1 __P((double));
extern double fd_yn __P((int, double));
extern double fd_acosh __P((double));
extern double fd_asinh __P((double));
extern double fd_atanh __P((double));
extern double fd_cbrt __P((double));
extern double fd_logb __P((double));
extern double fd_nextafter __P((double, double));
extern double fd_remainder __P((double, double));
#ifdef _SCALB_INT
extern double fd_scalb __P((double, int));
#else
extern double fd_scalb __P((double, double));
#endif
extern int fd_matherr __P((struct exception *));
/*
* IEEE Test Vector
*/
extern double significand __P((double));
/*
* Functions callable from C, intended to support IEEE arithmetic.
*/
extern double fd_copysign __P((double, double));
extern int fd_ilogb __P((double));
extern double fd_rint __P((double));
extern double fd_scalbn __P((double, int));
/*
* BSD math library entry points
*/
extern double fd_expm1 __P((double));
extern double fd_log1p __P((double));
/*
* Reentrant version of gamma & lgamma; passes signgam back by reference
* as the second argument; user must allocate space for signgam.
*/
#ifdef _REENTRANT
extern double gamma_r __P((double, int *));
extern double lgamma_r __P((double, int *));
#endif /* _REENTRANT */
/* ieee style elementary functions */
extern double __ieee754_sqrt __P((double));
extern double __ieee754_acos __P((double));
extern double __ieee754_acosh __P((double));
extern double __ieee754_log __P((double));
extern double __ieee754_atanh __P((double));
extern double __ieee754_asin __P((double));
extern double __ieee754_atan2 __P((double,double));
extern double __ieee754_exp __P((double));
extern double __ieee754_cosh __P((double));
extern double __ieee754_fmod __P((double,double));
extern double __ieee754_pow __P((double,double));
extern double __ieee754_lgamma_r __P((double,int *));
extern double __ieee754_gamma_r __P((double,int *));
extern double __ieee754_lgamma __P((double));
extern double __ieee754_gamma __P((double));
extern double __ieee754_log10 __P((double));
extern double __ieee754_sinh __P((double));
extern double __ieee754_hypot __P((double,double));
extern double __ieee754_j0 __P((double));
extern double __ieee754_j1 __P((double));
extern double __ieee754_y0 __P((double));
extern double __ieee754_y1 __P((double));
extern double __ieee754_jn __P((int,double));
extern double __ieee754_yn __P((int,double));
extern double __ieee754_remainder __P((double,double));
extern int __ieee754_rem_pio2 __P((double,double*));
#ifdef _SCALB_INT
extern double __ieee754_scalb __P((double,int));
#else
extern double __ieee754_scalb __P((double,double));
#endif
/* fdlibm kernel function */
extern double __kernel_standard __P((double,double,int,int*));
extern double __kernel_sin __P((double,double,int));
extern double __kernel_cos __P((double,double));
extern double __kernel_tan __P((double,double,int));
extern int __kernel_rem_pio2 __P((double*,double*,int,int,int,const int*));
