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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(__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*));
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