1 files changed, 40 insertions, 0 deletions
diff --git a/StdLib/LibC/Softfloat/unordsf2.c b/StdLib/LibC/Softfloat/unordsf2.c
new file mode 100644
index 0000000000..5ba1e3a75e
--- /dev/null
+++ b/StdLib/LibC/Softfloat/unordsf2.c
@@ -0,0 +1,40 @@
+/* $NetBSD: unordsf2.c,v 1.1 2003/05/06 08:58:20 rearnsha Exp $ */
+/** @file
+*
+*  Copyright (c) 2013 - 2014, ARM Limited. All rights reserved.
+*
+*  This program and the accompanying materials
+*  are licensed and made available under the terms and conditions of the BSD License
+*  which accompanies this distribution.  The full text of the license may be found at
+*  http://opensource.org/licenses/bsd-license.php
+*
+*  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+*  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+*
+**/
+/*
+ * Written by Richard Earnshaw, 2003.  This file is in the Public Domain.
+ */
+
+#include "softfloat-for-gcc.h"
+#include "milieu.h"
+#include "softfloat.h"
+
+#include <sys/cdefs.h>
+#if defined(LIBC_SCCS) && !defined(lint)
+__RCSID("$NetBSD: unordsf2.c,v 1.1 2003/05/06 08:58:20 rearnsha Exp $");
+#endif /* LIBC_SCCS and not lint */
+
+flag __unordsf2(float32, float32);
+
+flag
+__unordsf2(float32 a, float32 b)
+{
+    /*
+     * The comparison is unordered if either input is a NaN.
+     * Test for this by comparing each operand with itself.
+     * We must perform both comparisons to correctly check for
+     * signalling NaNs.
+     */
+    return 1 ^ (float32_eq(a, a) & float32_eq(b, b));
+}