s_copysign.c (2dcc228679cb39677331f1064bedb9eac825a52f) s_copysign.c (59b19ff14a36bb975819fff8c7bd8648a9b29537)
1/* @(#)s_copysign.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice

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18 * copysign(double x, double y)
19 * copysign(x,y) returns a value with the magnitude of x and
20 * with the sign bit of y.
21 */
22
23#include "math.h"
24#include "math_private.h"
25
1/* @(#)s_copysign.c 5.1 93/09/24 */
2/*
3 * ====================================================
4 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
5 *
6 * Developed at SunPro, a Sun Microsystems, Inc. business.
7 * Permission to use, copy, modify, and distribute this
8 * software is freely granted, provided that this notice

--- 9 unchanged lines hidden (view full) ---

18 * copysign(double x, double y)
19 * copysign(x,y) returns a value with the magnitude of x and
20 * with the sign bit of y.
21 */
22
23#include "math.h"
24#include "math_private.h"
25
26 double __generic_copysign(double x, double y)
26double
27__generic_copysign(double x, double y)
27{
28 u_int32_t hx,hy;
29 GET_HIGH_WORD(hx,x);
30 GET_HIGH_WORD(hy,y);
31 SET_HIGH_WORD(x,(hx&0x7fffffff)|(hy&0x80000000));
32 return x;
33}
28{
29 u_int32_t hx,hy;
30 GET_HIGH_WORD(hx,x);
31 GET_HIGH_WORD(hy,y);
32 SET_HIGH_WORD(x,(hx&0x7fffffff)|(hy&0x80000000));
33 return x;
34}