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/* @(#)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 */