1 files changed, 63 insertions, 0 deletions
diff --git a/usr/src/lib/libm/common/m9x/nan.c b/usr/src/lib/libm/common/m9x/nan.c
new file mode 100644
index 0000000000..da153ad515
--- /dev/null
+++ b/usr/src/lib/libm/common/m9x/nan.c
@@ -0,0 +1,63 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright 2011 Nexenta Systems, Inc.  All rights reserved.
+ */
+/*
+ * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#if defined(ELFOBJ)
+#pragma weak nan = __nan
+#endif
+
+/*
+ *  nan(c) returns a NaN.  This implementation ignores c.
+ */
+
+#include "libm.h"
+#include <sys/isa_defs.h>
+
+#if defined(__sparc)
+
+static const union {
+	unsigned i[2];
+	double d;
+} __nan_union = { 0x7fffffff, 0xffffffff };
+
+#elif defined(__i386) || defined(__amd64)
+
+static const union {
+	unsigned i[2];
+	double d;
+} __nan_union = { 0xffffffff, 0x7fffffff };
+
+#else
+#error Unknown architecture
+#endif
+
+/* ARGSUSED0 */
+double
+__nan(const char *c) {
+	return (__nan_union.d);
+}