1*2fe8fb19SBen Gras /* s_copysignf.c -- float version of s_copysign.c.
2*2fe8fb19SBen Gras * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
3*2fe8fb19SBen Gras */
4*2fe8fb19SBen Gras
5*2fe8fb19SBen Gras /*
6*2fe8fb19SBen Gras * ====================================================
7*2fe8fb19SBen Gras * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8*2fe8fb19SBen Gras *
9*2fe8fb19SBen Gras * Developed at SunPro, a Sun Microsystems, Inc. business.
10*2fe8fb19SBen Gras * Permission to use, copy, modify, and distribute this
11*2fe8fb19SBen Gras * software is freely granted, provided that this notice
12*2fe8fb19SBen Gras * is preserved.
13*2fe8fb19SBen Gras * ====================================================
14*2fe8fb19SBen Gras */
15*2fe8fb19SBen Gras
16*2fe8fb19SBen Gras #include <sys/cdefs.h>
17*2fe8fb19SBen Gras #if defined(LIBM_SCCS) && !defined(lint)
18*2fe8fb19SBen Gras __RCSID("$NetBSD: s_copysignf.c,v 1.7 2002/05/26 22:01:54 wiz Exp $");
19*2fe8fb19SBen Gras #endif
20*2fe8fb19SBen Gras
21*2fe8fb19SBen Gras /*
22*2fe8fb19SBen Gras * copysignf(float x, float y)
23*2fe8fb19SBen Gras * copysignf(x,y) returns a value with the magnitude of x and
24*2fe8fb19SBen Gras * with the sign bit of y.
25*2fe8fb19SBen Gras */
26*2fe8fb19SBen Gras
27*2fe8fb19SBen Gras #include "math.h"
28*2fe8fb19SBen Gras #include "math_private.h"
29*2fe8fb19SBen Gras
30*2fe8fb19SBen Gras float
copysignf(float x,float y)31*2fe8fb19SBen Gras copysignf(float x, float y)
32*2fe8fb19SBen Gras {
33*2fe8fb19SBen Gras u_int32_t ix,iy;
34*2fe8fb19SBen Gras GET_FLOAT_WORD(ix,x);
35*2fe8fb19SBen Gras GET_FLOAT_WORD(iy,y);
36*2fe8fb19SBen Gras SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000));
37*2fe8fb19SBen Gras return x;
38*2fe8fb19SBen Gras }
39