mirror of
https://git.planet-casio.com/Lephenixnoir/OpenLibm.git
synced 2025-01-06 08:53:40 +01:00
37 lines
887 B
C
37 lines
887 B
C
|
/* s_copysignf.c -- float version of s_copysign.c.
|
||
|
|
* Conversion to float by Ian Lance Taylor, Cygnus Support, ian@cygnus.com.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* ====================================================
|
||
|
|
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
||
|
|
*
|
||
|
|
* Developed at SunPro, a Sun Microsystems, Inc. business.
|
||
|
|
* Permission to use, copy, modify, and distribute this
|
||
|
|
* software is freely granted, provided that this notice
|
||
|
|
* is preserved.
|
||
|
|
* ====================================================
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include <sys/cdefs.h>
|
||
|
|
|
||
|
|
|
||
|
|
/*
|
||
|
|
* copysignf(float x, float y)
|
||
|
|
* copysignf(x,y) returns a value with the magnitude of x and
|
||
|
|
* with the sign bit of y.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#include "openlibm.h"
|
||
|
|
#include "math_private.h"
|
||
|
|
|
||
|
|
float
|
||
|
|
copysignf(float x, float y)
|
||
|
|
{
|
||
|
|
u_int32_t ix,iy;
|
||
|
|
GET_FLOAT_WORD(ix,x);
|
||
|
|
GET_FLOAT_WORD(iy,y);
|
||
|
|
SET_FLOAT_WORD(x,(ix&0x7fffffff)|(iy&0x80000000));
|
||
|
|
return x;
|
||
|
|
}
|