1 files changed, 37 insertions, 0 deletions
diff --git a/libjava/classpath/native/fdlibm/s_copysign.c b/libjava/classpath/native/fdlibm/s_copysign.c
new file mode 100644
index 000000000..38a9f6f79
--- /dev/null
+++ b/libjava/classpath/native/fdlibm/s_copysign.c
@@ -0,0 +1,37 @@
+
+/* @(#)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"
+
+#ifndef _DOUBLE_IS_32BITS
+
+#ifdef __STDC__
+	double copysign(double x, double y)
+#else
+	double copysign(x,y)
+	double x,y;
+#endif
+{
+        uint32_t hx, hy;
+	GET_HIGH_WORD(hx, x);
+	GET_HIGH_WORD(hy, y);
+	SET_HIGH_WORD(x, (hx&0x7fffffff)|(hy&0x80000000));
+        return x;
+}
+#endif /* _DOUBLE_IS_32BITS */