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
39
40
41
|
/* s_copysignl.c -- long double 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.
* ====================================================
*/
#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>
#include <math_ldbl_opt.h>
long double __copysignl(long double x, long double y)
{
if (signbit (x) != signbit (y))
x = -x;
return x;
}
#if IS_IN (libm)
long_double_symbol (libm, __copysignl, copysignl);
#else
long_double_symbol (libc, __copysignl, copysignl);
#endif
|
