summaryrefslogtreecommitdiffstats
path: root/StdLib/LibC/Softfloat/unordtf2.c
diff options
context:
space:
mode:
Diffstat (limited to 'StdLib/LibC/Softfloat/unordtf2.c')
-rw-r--r--StdLib/LibC/Softfloat/unordtf2.c44
1 files changed, 44 insertions, 0 deletions
diff --git a/StdLib/LibC/Softfloat/unordtf2.c b/StdLib/LibC/Softfloat/unordtf2.c
new file mode 100644
index 0000000000..5149c5c5ac
--- /dev/null
+++ b/StdLib/LibC/Softfloat/unordtf2.c
@@ -0,0 +1,44 @@
+/* $NetBSD: unordtf2.c,v 1.2 2014/01/30 19:11:41 matt 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: unordtf2.c,v 1.2 2014/01/30 19:11:41 matt Exp $");
+#endif /* LIBC_SCCS and not lint */
+
+#ifdef FLOAT128
+
+flag __unordtf2(float128, float128);
+
+flag
+__unordtf2(float128 a, float128 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 ^ (float128_eq(a, a) & float128_eq(b, b));
+}
+
+#endif /* FLOAT128 */