693 Opensource replacement of sunwlibm

Reviewed by: Igor Kozhukhov ikozhukhov@gmail.com
Reviewed by: Keith M Wesolowski <keith.wesolowski@joyent.com>
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Approved by: Dan McDonald <danmcd@omniti.com>

1 files changed, 48 insertions, 0 deletions

diff --git a/usr/src/lib/libm/common/Q/lgammal.c b/usr/src/lib/libm/common/Q/lgammal.c
new file mode 100644
index 0000000000..f54621dc99
--- /dev/null
+++ b/usr/src/lib/libm/common/Q/lgammal.c
@@ -0,0 +1,48 @@
+/*
+ * 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.
+ */
+
+#pragma weak lgammal = __lgammal
+
+/*
+ * long double lgammal(long double x);
+ */
+
+#include "libm.h"
+#include "longdouble.h"
+
+extern int signgam;
+extern int signgaml;
+
+long double
+lgammal(long double x) {
+	long double y = __k_lgammal(x, &signgaml);
+
+	signgam = signgaml;	/* SUSv3 requires the setting of signgam */
+	return (y);
+}