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 /*
17 * copysignf(float x, float y)
18 * copysignf(x,y) returns a value with the magnitude of x and
19 * with the sign bit of y.
20 */
21
22 #include "fdlibm.h"
23
24 float copysignf(float x, float y)
25 {
26 unsigned int ix,iy;
27 GET_FLOAT_WORD(ix,x);
28 GET_FLOAT_WORD(iy,y);
29 SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000));
30 return x;
31 }