diff libquadmath/math/ldexpq.c @ 68:561a7518be6b

update gcc-4.6
author Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp>
date Sun, 21 Aug 2011 07:07:55 +0900
parents
children 04ced10e8804
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libquadmath/math/ldexpq.c	Sun Aug 21 07:07:55 2011 +0900
@@ -0,0 +1,27 @@
+/* s_ldexpl.c -- long double version of s_ldexp.c.
+ * Conversion to long double by Ulrich Drepper,
+ * Cygnus Support, drepper@cygnus.com.
+ */
+
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#include <errno.h>
+#include "quadmath-imp.h"
+
+__float128
+ldexpq (__float128 value, int exp)
+{
+  if(!finiteq(value)||value==0.0Q) return value;
+  value = scalbnq(value,exp);
+  if(!finiteq(value)||value==0.0Q) errno = ERANGE;
+  return value;
+}