1 files changed, 42 insertions, 0 deletions
diff --git a/lib/msun/src/w_log.c b/lib/msun/src/w_log.c
new file mode 100644
index 000000000000..f1d9605dd6a7
--- /dev/null
+++ b/lib/msun/src/w_log.c
@@ -0,0 +1,42 @@
+/* @(#)w_log.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.
+ * ====================================================
+ */
+
+#ifndef lint
+static char rcsid[] = "$Id: w_log.c,v 1.1.1.1 1994/05/06 00:20:13 gclarkii Exp $";
+#endif
+
+/*
+ * wrapper log(x)
+ */
+
+#include "math.h"
+
+
+#ifdef __STDC__
+	double log(double x)		/* wrapper log */
+#else
+	double log(x)			/* wrapper log */
+	double x;
+#endif
+{
+#ifdef _IEEE_LIBM
+	return __ieee754_log(x);
+#else
+	double z;
+	z = __ieee754_log(x);
+	if(_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0) return z;
+	if(x==0.0)
+	    return __kernel_standard(x,x,16); /* log(0) */
+	else 
+	    return __kernel_standard(x,x,17); /* log(x<0) */
+#endif
+}