From abfbdde177c3a7155070dda1b2cdc8292054cc26 Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Wed, 14 Jul 1999 00:54:57 +0000
Subject: Update.

---
 sysdeps/ieee754/ldbl-128/s_isnanl.c | 42 +++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 sysdeps/ieee754/ldbl-128/s_isnanl.c

(limited to 'sysdeps/ieee754/ldbl-128/s_isnanl.c')

diff --git a/sysdeps/ieee754/ldbl-128/s_isnanl.c b/sysdeps/ieee754/ldbl-128/s_isnanl.c
new file mode 100644
index 0000000..d2fb403
--- /dev/null
+++ b/sysdeps/ieee754/ldbl-128/s_isnanl.c
@@ -0,0 +1,42 @@
+/* s_isnanl.c -- long double version of s_isnan.c.
+ * Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
+ */
+
+/*
+ * ====================================================
+ * 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
+
+/*
+ * isnanl(x) returns 1 is x is nan, else 0;
+ * no branching!
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifdef __STDC__
+	int __isnanl(long double x)
+#else
+	int __isnanl(x)
+	long double x;
+#endif
+{
+	int64_t hx,lx;
+	GET_LDOUBLE_WORDS64(hx,lx,x);
+	hx &= 0x7fffffffffffffffLL;
+	hx |= (u_int64_t)(lx|(-lx))>>63;
+	hx = 0x7fff000000000000LL - hx;
+	return (int)((u_int64_t)hx>>63);
+}
+weak_alias (__isnanl, isnanl)
-- 
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