vx32

Local 9vx git repository for patches.
git clone git://r-36.net/vx32
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s_copysignf.c (983B)

      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 #ifndef lint
     17 static char rcsid[] = "$FreeBSD: src/lib/msun/src/s_copysignf.c,v 1.9 2003/07/23 04:53:46 peter Exp $";
     18 #endif
     19 
     20 /*
     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.
     24  */
     25 
     26 #include "math.h"
     27 #include "math_private.h"
     28 
     29 float
     30 copysignf(float x, float y)
     31 {
     32 	u_int32_t ix,iy;
     33 	GET_FLOAT_WORD(ix,x);
     34 	GET_FLOAT_WORD(iy,y);
     35 	SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000));
     36         return x;
     37 }