hmz007
36ed224bac
Signed-off-by: hmz007 <hmz007@gmail.com> Change-Id: Ib87fdbe7a0be7dc961af3500fe9ea4589a127f9f
32 lines
766 B
C
32 lines
766 B
C
|
|
/* @(#)s_copysign.c 1.3 95/01/18 */
|
|
/*
|
|
* ====================================================
|
|
* Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
|
|
*
|
|
* Developed at SunSoft, a Sun Microsystems, Inc. business.
|
|
* Permission to use, copy, modify, and distribute this
|
|
* software is freely granted, provided that this notice
|
|
* is preserved.
|
|
* ====================================================
|
|
*/
|
|
|
|
/*
|
|
* ieee_copysign(double x, double y)
|
|
* ieee_copysign(x,y) returns a value with the magnitude of x and
|
|
* with the sign bit of y.
|
|
*/
|
|
|
|
#include "fdlibm.h"
|
|
|
|
#ifdef __STDC__
|
|
double ieee_copysign(double x, double y)
|
|
#else
|
|
double ieee_copysign(x,y)
|
|
double x,y;
|
|
#endif
|
|
{
|
|
__HI(x) = (__HI(x)&0x7fffffff)|(__HI(y)&0x80000000);
|
|
return x;
|
|
}
|