1 files changed, 70 insertions, 0 deletions
diff --git a/usr/src/lib/libm/common/Q/floorl.c b/usr/src/lib/libm/common/Q/floorl.c
new file mode 100644
index 0000000000..d899d3fac8
--- /dev/null
+++ b/usr/src/lib/libm/common/Q/floorl.c
@@ -0,0 +1,70 @@
+/*
+ * 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.
+ */
+
+/*
+ * ceill(x)	return the biggest integral value below x
+ * floorl(x)	return the least integral value above x
+ *
+ * NOTE: aintl(x), anintl(x), ceill(x), floorl(x), and rintl(x) return result
+ * with the same sign as x's,  including 0.0.
+ */
+
+#pragma weak ceill = __ceill
+#pragma weak floorl = __floorl
+
+#include "libm.h"
+#include "longdouble.h"
+
+static const long double qone = 1.0L;
+
+long double
+ceill(long double x) {
+	long double t;
+
+	if (!finitel(x))
+		return (x + x);
+	t = rintl(x);
+	if (t >= x) 			/* already ceil(x) */
+		return (t);
+	else				/* t < x case: return t+1  */
+		return (copysignl(t + qone, x));
+}
+
+long double
+floorl(long double x) {
+	long double t;
+
+	if (!finitel(x))
+		return (x + x);
+	t = rintl(x);
+	if (t <= x)
+		return (t);		/* already floor(x) */
+	else 				/* x < t case: return t-1  */
+	    return (copysignl(t - qone, x));
+}