Totally rework the math library, this time based on the MacOs X

math library (which is itself based on the math lib from FreeBSD).
 -Erik

1 files changed, 34 insertions, 0 deletions

diff --git a/libm/s_ldexp.c b/libm/s_ldexp.c
new file mode 100644
index 000000000..5e7313e6e
--- /dev/null
+++ b/libm/s_ldexp.c
@@ -0,0 +1,34 @@
+#if !defined(__ppc__)
+/* @(#)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) errno = ERANGE;
+	return value;
+}
+#endif /* !__ppc__ */