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authorUlrich Drepper <drepper@redhat.com>2005-12-14 15:06:39 +0000
committerUlrich Drepper <drepper@redhat.com>2005-12-14 15:06:39 +0000
commit9d13fb2413921c713f83efe331e8e4d219c62c6b (patch)
tree2d44d7ac45ab2d147eb8361bbff880c365aa8ad5 /math/w_scalbl.c
parentb6ab06cef4670e02756bcdd4d2c33a49369a4346 (diff)
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Moved to csu/errno-loc.c.
Diffstat (limited to 'math/w_scalbl.c')
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diff --git a/math/w_scalbl.c b/math/w_scalbl.c
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+/* w_scalbl.c -- long double version of w_scalb.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.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: $";
+#endif
+
+/*
+ * wrapper scalbl(long double x, long double fn) is provide for
+ * passing various standard test suite. One
+ * should use scalbnl() instead.
+ */
+
+#include <math.h>
+#include "math_private.h"
+
+#include <errno.h>
+
+#ifdef __STDC__
+#ifdef _SCALB_INT
+ long double __scalbl(long double x, int fn) /* wrapper scalbl */
+#else
+ long double __scalbl(long double x, long double fn)/* wrapper scalbl */
+#endif
+#else
+ long double __scalbl(x,fn) /* wrapper scalbl */
+#ifdef _SCALB_INT
+ long double x; int fn;
+#else
+ long double x,fn;
+#endif
+#endif
+{
+#ifdef _IEEE_LIBM
+ return __ieee754_scalbl(x,fn);
+#else
+ long double z;
+ z = __ieee754_scalbl(x,fn);
+ if(_LIB_VERSION != _SVID_) return z;
+ if(!(__finitel(z)||__isnanl(z))&&__finitel(x)) {
+ return __kernel_standard(x,(double)fn,232); /* scalb overflow */
+ }
+ if(z==0.0&&z!=x) {
+ return __kernel_standard(x,(double)fn,233); /* scalb underflow */
+ }
+#ifndef _SCALB_INT
+ if(!__finitel(fn)) __set_errno (ERANGE);
+#endif
+ return z;
+#endif
+}
+weak_alias (__scalbl, scalbl)