Retro68/gcc/libquadmath/math/copysignq.c
2014-09-21 19:33:12 +02:00

27 lines
746 B
C

/* copysignq.c -- __float128 version of s_copysign.c.
* Conversion to long double by Jakub Jelinek, jj@ultra.linux.cz.
*/
/*
* ====================================================
* 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 "quadmath-imp.h"
__float128
copysignq (__float128 x, __float128 y)
{
uint64_t hx,hy;
GET_FLT128_MSW64(hx,x);
GET_FLT128_MSW64(hy,y);
SET_FLT128_MSW64(x,(hx&0x7fffffffffffffffULL)|(hy&0x8000000000000000ULL));
return x;
}