/* -*- 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 * (one may replace the following line by "#include ") */ #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*));