/* @(#)s_copysign.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.
 * ====================================================
 */

/* $Id$ */

#include <Mw/BaseTypes.h>
#include "math_internal.h"

/*
 * copysign(double x, double y)
 * copysign(x,y) returns a value with the magnitude of x and
 * with the sign bit of y.
 */

double
nbsd_copysign(double x, double y) {
	MwU32 hx, hy;
	GET_HIGH_WORD(hx, x);
	GET_HIGH_WORD(hy, y);
	SET_HIGH_WORD(x, (hx & 0x7fffffff) | (hy & 0x80000000));
	return x;
}