1 files changed, 51 insertions, 0 deletions
diff --git a/usr/src/libm/src/LD/finitel.c b/usr/src/libm/src/LD/finitel.c
new file mode 100644
index 0000000..2b355d3
--- /dev/null
+++ b/usr/src/libm/src/LD/finitel.c
@@ -0,0 +1,51 @@
+/*
+ * 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 2006 Sun Microsystems, Inc.  All rights reserved.
+ * Use is subject to license terms.
+ */
+
+#pragma ident	"@(#)finitel.c	1.3	06/01/31 SMI"
+
+#if defined(ELFOBJ)
+#pragma weak finitel = __finitel
+#endif
+
+#include "libm.h"
+
+#if defined(__sparc)
+int
+finitel(long double x) {
+	int *px = (int *) &x;
+	return ((px[0] & ~0x80000000) < 0x7fff0000);
+}
+#elif defined(__i386)
+int
+finitel(long double x) {
+	int *px = (int *) &x, t = px[2] & 0x7fff;
+#if defined(HANDLE_UNSUPPORTED)
+	return (t != 0x7fff && ((px[1] & 0x80000000) != 0 || t == 0));
+#else
+	return (t != 0x7fff);
+#endif
+}
+#endif	/* defined(__sparc) || defined(__i386) */