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- /* -*- 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(__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*));
-