Added Math functions

JerryScript-DCO-1.0-Signed-off-by: Tamas Czene tczene.u-szeged@partner.samsung.com
2015-05-08 13:49:09 +02:00
parent 7d703040d0
commit 7dfbc88cc0
44 changed files with 4647 additions and 388 deletions
@@ -0,0 +1,31 @@
+
+/* @(#)s_copysign.c 1.3 95/01/18 */
+/*
+ * ====================================================
+ * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
+ *
+ * Developed at SunSoft, a Sun Microsystems, Inc. business.
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice 
+ * is preserved.
+ * ====================================================
+ */
+
+/*
+ * copysign(double x, double y)
+ * copysign(x,y) returns a value with the magnitude of x and
+ * with the sign bit of y.
+ */
+
+#include "fdlibm.h"
+
+#ifdef __STDC__
+	double copysign(double x, double y)
+#else
+	double copysign(x,y)
+	double x,y;
+#endif
+{
+	__HI(x) = (__HI(x)&0x7fffffff)|(__HI(y)&0x80000000);
+        return x;
+}