2.5-18.1

1 files changed, 37 insertions, 0 deletions

diff --git a/math/s_ldexp.c b/math/s_ldexp.c
new file mode 100644
index 0000000000..62e123cd01
--- /dev/null
+++ b/math/s_ldexp.c
@@ -0,0 +1,37 @@
+/* @(#)s_ldexp.c 5.1 93/09/24 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunPro, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: s_ldexp.c,v 1.6 1995/05/10 20:47:40 jtc Exp $";
+#endif
+
+#include <math.h>
+#include "math_private.h"
+#include <errno.h>
+
+#ifdef __STDC__
+	double __ldexp(double value, int exp)
+#else
+	double __ldexp(value, exp)
+	double value; int exp;
+#endif
+{
+	if(!__finite(value)||value==0.0) return value;
+	value = __scalbn(value,exp);
+	if(!__finite(value)||value==0.0) __set_errno (ERANGE);
+	return value;
+}
+weak_alias (__ldexp, ldexp)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__ldexp, __ldexpl)
+weak_alias (__ldexp, ldexpl)
+#endif