1/* s_copysignf.c -- float version of s_copysign.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3 */
4
5/*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16#include <sys/cdefs.h>
17#if defined(LIBM_SCCS) && !defined(lint)
18__RCSID("$NetBSD: s_copysignf.c,v 1.6 1999/07/02 15:37:42 simonb Exp $");
19#endif
20
21/*
22 * copysignf(float x, float y)
23 * copysignf(x,y) returns a value with the magnitude of x and
24 * with the sign bit of y.
25 */
26
27#include "math.h"
28#include "math_private.h"
29
30float
31copysignf(float x, float y)
32{
33	u_int32_t ix,iy;
34	GET_FLOAT_WORD(ix,x);
35	GET_FLOAT_WORD(iy,y);
36	SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000));
37        return x;
38}
39