about summary refs log tree commit diff
path: root/math/w_hypot.c
diff options
context:
space:
mode:
authorUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
committerUlrich Drepper <drepper@redhat.com>1999-07-14 00:54:57 +0000
commitabfbdde177c3a7155070dda1b2cdc8292054cc26 (patch)
treee021306b596381fbf8311d2b7eb294e918ff17c8 /math/w_hypot.c
parent86421aa57ecfd70963ae66848bd6a6dd3b8e0fe6 (diff)
downloadglibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.gz
glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.tar.xz
glibc-abfbdde177c3a7155070dda1b2cdc8292054cc26.zip
Update.
Diffstat (limited to 'math/w_hypot.c')
-rw-r--r--math/w_hypot.c48
1 files changed, 48 insertions, 0 deletions
diff --git a/math/w_hypot.c b/math/w_hypot.c
new file mode 100644
index 0000000000..e91db17083
--- /dev/null
+++ b/math/w_hypot.c
@@ -0,0 +1,48 @@
+/* @(#)w_hypot.c 5.1 93/09/24 */
+/*
+ * ====================================================
+ * 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: w_hypot.c,v 1.6 1995/05/10 20:49:07 jtc Exp $";
+#endif
+
+/*
+ * wrapper hypot(x,y)
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+
+#ifdef __STDC__
+	double __hypot(double x, double y)/* wrapper hypot */
+#else
+	double __hypot(x,y)		/* wrapper hypot */
+	double x,y;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_hypot(x,y);
+#else
+	double z;
+	z = __ieee754_hypot(x,y);
+	if(_LIB_VERSION == _IEEE_) return z;
+	if((!__finite(z))&&__finite(x)&&__finite(y))
+	    return __kernel_standard(x,y,4); /* hypot overflow */
+	else
+	    return z;
+#endif
+}
+weak_alias (__hypot, hypot)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__hypot, __hypotl)
+weak_alias (__hypot, hypotl)
+#endif