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5ba7825677
git-svn-id: svn://dyne.org/rastasoft/freej/trunk@936 383723c8-4afa-0310-b8a8-b1afb83214fc
274 lines
8.3 KiB
C
274 lines
8.3 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code, released
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* March 31, 1998.
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*
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* The Initial Developer of the Original Code is
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* Sun Microsystems, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* @(#)fdlibm.h 1.5 95/01/18 */
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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 SunSoft, 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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/* Modified defines start here.. */
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#undef __LITTLE_ENDIAN
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#ifdef _WIN32
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#define huge myhuge
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#define __LITTLE_ENDIAN
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#endif
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#ifdef XP_OS2
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#define __LITTLE_ENDIAN
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#endif
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#if defined(linux) && (defined(__i386__) || defined(__x86_64__) || defined(__ia64) || (defined(__mips) && defined(__MIPSEL__)))
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#define __LITTLE_ENDIAN
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#endif
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/* End here. The rest is the standard file. */
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#ifdef SOLARIS /* special setup for Sun test regime */
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#if defined(i386) || defined(i486) || \
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defined(intel) || defined(x86) || defined(i86pc)
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#define __LITTLE_ENDIAN
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#endif
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#endif
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typedef union {
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#ifdef __LITTLE_ENDIAN
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struct { int lo, hi; } ints;
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#else
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struct { int hi, lo; } ints;
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#endif
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double d;
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} fd_twoints;
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#define __HI(x) x.ints.hi
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#define __LO(x) x.ints.lo
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#undef __P
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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 double fd_acos __P((double));
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extern double fd_asin __P((double));
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extern double fd_atan __P((double));
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extern double fd_atan2 __P((double, double));
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extern double fd_cos __P((double));
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extern double fd_sin __P((double));
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extern double fd_tan __P((double));
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extern double fd_cosh __P((double));
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extern double fd_sinh __P((double));
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extern double fd_tanh __P((double));
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extern double fd_exp __P((double));
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extern double fd_frexp __P((double, int *));
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extern double fd_ldexp __P((double, int));
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extern double fd_log __P((double));
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extern double fd_log10 __P((double));
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extern double fd_modf __P((double, double *));
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extern double fd_pow __P((double, double));
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extern double fd_sqrt __P((double));
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extern double fd_ceil __P((double));
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extern double fd_fabs __P((double));
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extern double fd_floor __P((double));
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extern double fd_fmod __P((double, double));
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extern double fd_erf __P((double));
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extern double fd_erfc __P((double));
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extern double fd_gamma __P((double));
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extern double fd_hypot __P((double, double));
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extern int fd_isnan __P((double));
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extern int fd_finite __P((double));
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extern double fd_j0 __P((double));
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extern double fd_j1 __P((double));
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extern double fd_jn __P((int, double));
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extern double fd_lgamma __P((double));
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extern double fd_y0 __P((double));
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extern double fd_y1 __P((double));
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extern double fd_yn __P((int, double));
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extern double fd_acosh __P((double));
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extern double fd_asinh __P((double));
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extern double fd_atanh __P((double));
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extern double fd_cbrt __P((double));
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extern double fd_logb __P((double));
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extern double fd_nextafter __P((double, double));
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extern double fd_remainder __P((double, double));
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#ifdef _SCALB_INT
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extern double fd_scalb __P((double, int));
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#else
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extern double fd_scalb __P((double, double));
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#endif
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extern int fd_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 double fd_copysign __P((double, double));
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extern int fd_ilogb __P((double));
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extern double fd_rint __P((double));
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extern double fd_scalbn __P((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 fd_expm1 __P((double));
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extern double fd_log1p __P((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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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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#ifdef _SCALB_INT
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extern double __ieee754_scalb __P((double,int));
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#else
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extern double __ieee754_scalb __P((double,double));
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#endif
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/* fdlibm kernel function */
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extern double __kernel_standard __P((double,double,int,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*));
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