1 /* s_copysignf.c -- float version of s_copysign.c.
2 * Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
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
13 * ====================================================
17 static char rcsid[] = "$FreeBSD$";
21 * copysignf(float x, float y)
22 * copysignf(x,y) returns a value with the magnitude of x and
23 * with the sign bit of y.
27 #include "math_private.h"
30 float copysignf(float x, float y)
39 SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000));