1 files changed, 60 insertions, 0 deletions
diff --git a/lib/msun/src/w_pow.c b/lib/msun/src/w_pow.c
new file mode 100644
index 0000000..c63bb72
--- /dev/null
+++ b/lib/msun/src/w_pow.c
@@ -0,0 +1,60 @@
+
+
+/* @(#)w_pow.c 5.2 93/10/01 */
+/*
+ * ====================================================
+ * 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.
+ * ====================================================
+ */
+
+/*
+ * wrapper pow(x,y) return x**y
+ */
+
+#include "math.h"
+#include "math_private.h"
+
+#ifndef lint
+static char rcsid[] = "$FreeBSD$";
+#endif
+
+double
+pow(double x, double y)	/* wrapper pow */
+{
+#ifdef _IEEE_LIBM
+	return  __ieee754_pow(x,y);
+#else
+	double z;
+	z=__ieee754_pow(x,y);
+	if(_LIB_VERSION == _IEEE_|| isnan(y)) return z;
+	if(isnan(x)) {
+	    if(y==0.0)
+	        return __kernel_standard(x,y,42); /* pow(NaN,0.0) */
+	    else
+		return z;
+	}
+	if(x==0.0){
+	    if(y==0.0)
+	        return __kernel_standard(x,y,20); /* pow(0.0,0.0) */
+	    if(finite(y)&&y<0.0)
+	        return __kernel_standard(x,y,23); /* pow(0.0,negative) */
+	    return z;
+	}
+	if(!finite(z)) {
+	    if(finite(x)&&finite(y)) {
+	        if(isnan(z))
+	            return __kernel_standard(x,y,24); /* pow neg**non-int */
+	        else
+	            return __kernel_standard(x,y,21); /* pow overflow */
+	    }
+	}
+	if(z==0.0&&finite(x)&&finite(y))
+	    return __kernel_standard(x,y,22); /* pow underflow */
+	return z;
+#endif
+}