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diff --git a/third_party/js-1.7/fdlibm/k_standard.c b/third_party/js-1.7/fdlibm/k_standard.c
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@@ -0,0 +1,785 @@
+/* -*- 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 ***** */
+
+/* @(#)k_standard.c 1.3 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.
+ * ====================================================
+ *
+ */
+
+#include "fdlibm.h"
+
+/* XXX ugly hack to get msvc to link without error. */
+#if _LIB_VERSION == _IEEE_ && !(defined(DARWIN) || defined(XP_MACOSX))
+ int errno;
+# define EDOM 0
+# define ERANGE 0
+#else
+# include <errno.h>
+#endif
+
+
+#ifndef _USE_WRITE
+#include <stdio.h> /* fputs(), stderr */
+#define WRITE2(u,v) fputs(u, stderr)
+#else /* !defined(_USE_WRITE) */
+#include <unistd.h> /* write */
+#define WRITE2(u,v) write(2, u, v)
+#undef fflush
+#endif /* !defined(_USE_WRITE) */
+
+static double zero = 0.0; /* used as const */
+
+/*
+ * Standard conformance (non-IEEE) on exception cases.
+ * Mapping:
+ * 1 -- acos(|x|>1)
+ * 2 -- asin(|x|>1)
+ * 3 -- atan2(+-0,+-0)
+ * 4 -- hypot overflow
+ * 5 -- cosh overflow
+ * 6 -- exp overflow
+ * 7 -- exp underflow
+ * 8 -- y0(0)
+ * 9 -- y0(-ve)
+ * 10-- y1(0)
+ * 11-- y1(-ve)
+ * 12-- yn(0)
+ * 13-- yn(-ve)
+ * 14-- lgamma(finite) overflow
+ * 15-- lgamma(-integer)
+ * 16-- log(0)
+ * 17-- log(x<0)
+ * 18-- log10(0)
+ * 19-- log10(x<0)
+ * 20-- pow(0.0,0.0)
+ * 21-- pow(x,y) overflow
+ * 22-- pow(x,y) underflow
+ * 23-- pow(0,negative)
+ * 24-- pow(neg,non-integral)
+ * 25-- sinh(finite) overflow
+ * 26-- sqrt(negative)
+ * 27-- fmod(x,0)
+ * 28-- remainder(x,0)
+ * 29-- acosh(x<1)
+ * 30-- atanh(|x|>1)
+ * 31-- atanh(|x|=1)
+ * 32-- scalb overflow
+ * 33-- scalb underflow
+ * 34-- j0(|x|>X_TLOSS)
+ * 35-- y0(x>X_TLOSS)
+ * 36-- j1(|x|>X_TLOSS)
+ * 37-- y1(x>X_TLOSS)
+ * 38-- jn(|x|>X_TLOSS, n)
+ * 39-- yn(x>X_TLOSS, n)
+ * 40-- gamma(finite) overflow
+ * 41-- gamma(-integer)
+ * 42-- pow(NaN,0.0)
+ */
+
+
+#ifdef __STDC__
+ double __kernel_standard(double x, double y, int type, int *err)
+#else
+ double __kernel_standard(x,y,type, err)
+ double x,y; int type;int *err;
+#endif
+{
+ struct exception exc;
+#ifndef HUGE_VAL /* this is the only routine that uses HUGE_VAL */
+#define HUGE_VAL inf
+ double inf = 0.0;
+ fd_twoints u;
+
+ u.d = inf;
+ __HI(u) = 0x7ff00000; /* set inf to infinite */
+ inf = u.d;
+#endif
+
+ *err = 0;
+
+#ifdef _USE_WRITE
+ (void) fflush(stdout);
+#endif
+ exc.arg1 = x;
+ exc.arg2 = y;
+ switch(type) {
+ case 1:
+ /* acos(|x|>1) */
+ exc.type = DOMAIN;
+ exc.name = "acos";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if(_LIB_VERSION == _SVID_) {
+ (void) WRITE2("acos: DOMAIN error\n", 19);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 2:
+ /* asin(|x|>1) */
+ exc.type = DOMAIN;
+ exc.name = "asin";
+ exc.retval = zero;
+ if(_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if(_LIB_VERSION == _SVID_) {
+ (void) WRITE2("asin: DOMAIN error\n", 19);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 3:
+ /* atan2(+-0,+-0) */
+ exc.arg1 = y;
+ exc.arg2 = x;
+ exc.type = DOMAIN;
+ exc.name = "atan2";
+ exc.retval = zero;
+ if(_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if(_LIB_VERSION == _SVID_) {
+ (void) WRITE2("atan2: DOMAIN error\n", 20);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 4:
+ /* hypot(finite,finite) overflow */
+ exc.type = OVERFLOW;
+ exc.name = "hypot";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = HUGE;
+ else
+ exc.retval = HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 5:
+ /* cosh(finite) overflow */
+ exc.type = OVERFLOW;
+ exc.name = "cosh";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = HUGE;
+ else
+ exc.retval = HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 6:
+ /* exp(finite) overflow */
+ exc.type = OVERFLOW;
+ exc.name = "exp";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = HUGE;
+ else
+ exc.retval = HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 7:
+ /* exp(finite) underflow */
+ exc.type = UNDERFLOW;
+ exc.name = "exp";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 8:
+ /* y0(0) = -inf */
+ exc.type = DOMAIN; /* should be SING for IEEE */
+ exc.name = "y0";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("y0: DOMAIN error\n", 17);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 9:
+ /* y0(x<0) = NaN */
+ exc.type = DOMAIN;
+ exc.name = "y0";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("y0: DOMAIN error\n", 17);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 10:
+ /* y1(0) = -inf */
+ exc.type = DOMAIN; /* should be SING for IEEE */
+ exc.name = "y1";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("y1: DOMAIN error\n", 17);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 11:
+ /* y1(x<0) = NaN */
+ exc.type = DOMAIN;
+ exc.name = "y1";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("y1: DOMAIN error\n", 17);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 12:
+ /* yn(n,0) = -inf */
+ exc.type = DOMAIN; /* should be SING for IEEE */
+ exc.name = "yn";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("yn: DOMAIN error\n", 17);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 13:
+ /* yn(x<0) = NaN */
+ exc.type = DOMAIN;
+ exc.name = "yn";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("yn: DOMAIN error\n", 17);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 14:
+ /* lgamma(finite) overflow */
+ exc.type = OVERFLOW;
+ exc.name = "lgamma";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = HUGE;
+ else
+ exc.retval = HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 15:
+ /* lgamma(-integer) or lgamma(0) */
+ exc.type = SING;
+ exc.name = "lgamma";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = HUGE;
+ else
+ exc.retval = HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("lgamma: SING error\n", 19);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 16:
+ /* log(0) */
+ exc.type = SING;
+ exc.name = "log";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("log: SING error\n", 16);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 17:
+ /* log(x<0) */
+ exc.type = DOMAIN;
+ exc.name = "log";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("log: DOMAIN error\n", 18);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 18:
+ /* log10(0) */
+ exc.type = SING;
+ exc.name = "log10";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("log10: SING error\n", 18);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 19:
+ /* log10(x<0) */
+ exc.type = DOMAIN;
+ exc.name = "log10";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = -HUGE;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("log10: DOMAIN error\n", 20);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 20:
+ /* pow(0.0,0.0) */
+ /* error only if _LIB_VERSION == _SVID_ */
+ exc.type = DOMAIN;
+ exc.name = "pow";
+ exc.retval = zero;
+ if (_LIB_VERSION != _SVID_) exc.retval = 1.0;
+ else if (!fd_matherr(&exc)) {
+ (void) WRITE2("pow(0,0): DOMAIN error\n", 23);
+ *err = EDOM;
+ }
+ break;
+ case 21:
+ /* pow(x,y) overflow */
+ exc.type = OVERFLOW;
+ exc.name = "pow";
+ if (_LIB_VERSION == _SVID_) {
+ exc.retval = HUGE;
+ y *= 0.5;
+ if(x<zero&&fd_rint(y)!=y) exc.retval = -HUGE;
+ } else {
+ exc.retval = HUGE_VAL;
+ y *= 0.5;
+ if(x<zero&&fd_rint(y)!=y) exc.retval = -HUGE_VAL;
+ }
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 22:
+ /* pow(x,y) underflow */
+ exc.type = UNDERFLOW;
+ exc.name = "pow";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 23:
+ /* 0**neg */
+ exc.type = DOMAIN;
+ exc.name = "pow";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = zero;
+ else
+ exc.retval = -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("pow(0,neg): DOMAIN error\n", 25);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 24:
+ /* neg**non-integral */
+ exc.type = DOMAIN;
+ exc.name = "pow";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = zero;
+ else
+ exc.retval = zero/zero; /* X/Open allow NaN */
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("neg**non-integral: DOMAIN error\n", 32);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 25:
+ /* sinh(finite) overflow */
+ exc.type = OVERFLOW;
+ exc.name = "sinh";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = ( (x>zero) ? HUGE : -HUGE);
+ else
+ exc.retval = ( (x>zero) ? HUGE_VAL : -HUGE_VAL);
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 26:
+ /* sqrt(x<0) */
+ exc.type = DOMAIN;
+ exc.name = "sqrt";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = zero;
+ else
+ exc.retval = zero/zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("sqrt: DOMAIN error\n", 19);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 27:
+ /* fmod(x,0) */
+ exc.type = DOMAIN;
+ exc.name = "fmod";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = x;
+ else
+ exc.retval = zero/zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("fmod: DOMAIN error\n", 20);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 28:
+ /* remainder(x,0) */
+ exc.type = DOMAIN;
+ exc.name = "remainder";
+ exc.retval = zero/zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("remainder: DOMAIN error\n", 24);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 29:
+ /* acosh(x<1) */
+ exc.type = DOMAIN;
+ exc.name = "acosh";
+ exc.retval = zero/zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("acosh: DOMAIN error\n", 20);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 30:
+ /* atanh(|x|>1) */
+ exc.type = DOMAIN;
+ exc.name = "atanh";
+ exc.retval = zero/zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("atanh: DOMAIN error\n", 20);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 31:
+ /* atanh(|x|=1) */
+ exc.type = SING;
+ exc.name = "atanh";
+ exc.retval = x/zero; /* sign(x)*inf */
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("atanh: SING error\n", 18);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 32:
+ /* scalb overflow; SVID also returns +-HUGE_VAL */
+ exc.type = OVERFLOW;
+ exc.name = "scalb";
+ exc.retval = x > zero ? HUGE_VAL : -HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 33:
+ /* scalb underflow */
+ exc.type = UNDERFLOW;
+ exc.name = "scalb";
+ exc.retval = fd_copysign(zero,x);
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 34:
+ /* j0(|x|>X_TLOSS) */
+ exc.type = TLOSS;
+ exc.name = "j0";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2(exc.name, 2);
+ (void) WRITE2(": TLOSS error\n", 14);
+ }
+ *err = ERANGE;
+ }
+ break;
+ case 35:
+ /* y0(x>X_TLOSS) */
+ exc.type = TLOSS;
+ exc.name = "y0";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2(exc.name, 2);
+ (void) WRITE2(": TLOSS error\n", 14);
+ }
+ *err = ERANGE;
+ }
+ break;
+ case 36:
+ /* j1(|x|>X_TLOSS) */
+ exc.type = TLOSS;
+ exc.name = "j1";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2(exc.name, 2);
+ (void) WRITE2(": TLOSS error\n", 14);
+ }
+ *err = ERANGE;
+ }
+ break;
+ case 37:
+ /* y1(x>X_TLOSS) */
+ exc.type = TLOSS;
+ exc.name = "y1";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2(exc.name, 2);
+ (void) WRITE2(": TLOSS error\n", 14);
+ }
+ *err = ERANGE;
+ }
+ break;
+ case 38:
+ /* jn(|x|>X_TLOSS) */
+ exc.type = TLOSS;
+ exc.name = "jn";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2(exc.name, 2);
+ (void) WRITE2(": TLOSS error\n", 14);
+ }
+ *err = ERANGE;
+ }
+ break;
+ case 39:
+ /* yn(x>X_TLOSS) */
+ exc.type = TLOSS;
+ exc.name = "yn";
+ exc.retval = zero;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2(exc.name, 2);
+ (void) WRITE2(": TLOSS error\n", 14);
+ }
+ *err = ERANGE;
+ }
+ break;
+ case 40:
+ /* gamma(finite) overflow */
+ exc.type = OVERFLOW;
+ exc.name = "gamma";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = HUGE;
+ else
+ exc.retval = HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = ERANGE;
+ else if (!fd_matherr(&exc)) {
+ *err = ERANGE;
+ }
+ break;
+ case 41:
+ /* gamma(-integer) or gamma(0) */
+ exc.type = SING;
+ exc.name = "gamma";
+ if (_LIB_VERSION == _SVID_)
+ exc.retval = HUGE;
+ else
+ exc.retval = HUGE_VAL;
+ if (_LIB_VERSION == _POSIX_)
+ *err = EDOM;
+ else if (!fd_matherr(&exc)) {
+ if (_LIB_VERSION == _SVID_) {
+ (void) WRITE2("gamma: SING error\n", 18);
+ }
+ *err = EDOM;
+ }
+ break;
+ case 42:
+ /* pow(NaN,0.0) */
+ /* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */
+ exc.type = DOMAIN;
+ exc.name = "pow";
+ exc.retval = x;
+ if (_LIB_VERSION == _IEEE_ ||
+ _LIB_VERSION == _POSIX_) exc.retval = 1.0;
+ else if (!fd_matherr(&exc)) {
+ *err = EDOM;
+ }
+ break;
+ }
+ return exc.retval;
+}