1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
|
/* s_copysignl.c -- long double version of s_copysign.c.
* Conversion to long double by Ulrich Drepper,
* Cygnus Support, drepper@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.
* ====================================================
*/
#if defined(LIBM_SCCS) && !defined(lint)
static char rcsid[] = "$NetBSD: $";
#endif
/*
* copysignl(long double x, long double y)
* copysignl(x,y) returns a value with the magnitude of x and
* with the sign bit of y.
*/
#include <math.h>
#include <math_private.h>
long double __copysignl(long double x, long double y)
{
u_int32_t es1,es2;
GET_LDOUBLE_EXP(es1,x);
GET_LDOUBLE_EXP(es2,y);
SET_LDOUBLE_EXP(x,(es1&0x7fff)|(es2&0x8000));
return x;
}
weak_alias (__copysignl, copysignl)
|
