1 files changed, 95 insertions, 0 deletions
diff --git a/third_party/js-1.7/fdlibm/w_scalb.c b/third_party/js-1.7/fdlibm/w_scalb.c
new file mode 100644
index 0000000..35c16a5
--- /dev/null
+++ b/third_party/js-1.7/fdlibm/w_scalb.c
@@ -0,0 +1,95 @@
+/* -*- 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 ***** */
+
+/* @(#)w_scalb.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.
+ * ====================================================
+ */
+
+/*
+ * wrapper scalb(double x, double fn) is provide for
+ * passing various standard test suite. One 
+ * should use scalbn() instead.
+ */
+
+#include "fdlibm.h"
+
+#include <errno.h>
+
+#ifdef __STDC__
+#ifdef _SCALB_INT
+	double fd_scalb(double x, int fn)		/* wrapper scalb */
+#else
+	double fd_scalb(double x, double fn)	/* wrapper scalb */
+#endif
+#else
+	double fd_scalb(x,fn)			/* wrapper scalb */
+#ifdef _SCALB_INT
+	double x; int fn;
+#else
+	double x,fn;
+#endif
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_scalb(x,fn);
+#else
+	double z;
+    int err;
+	z = __ieee754_scalb(x,fn);
+	if(_LIB_VERSION == _IEEE_) return z;
+	if(!(fd_finite(z)||fd_isnan(z))&&fd_finite(x)) {
+	    return __kernel_standard(x,(double)fn,32,&err); /* scalb overflow */
+	}
+	if(z==0.0&&z!=x) {
+	    return __kernel_standard(x,(double)fn,33,&err); /* scalb underflow */
+	} 
+#ifndef _SCALB_INT
+	if(!fd_finite(fn)) errno = ERANGE;
+#endif
+	return z;
+#endif 
+}