blob: 6e444e90d02b8c364a930fa558d29e33fdecf8bf (
plain)
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
|
/* s_finitel.c -- long double version of s_finite.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
/*
* finitel(x) returns 1 is x is finite, else 0;
* no branching!
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
int __finitel(long double x)
#else
int __finitel(x)
long double x;
#endif
{
int32_t exp;
GET_LDOUBLE_EXP(exp,x);
return (int)((u_int32_t)((exp&0x7fff)-0x7fff)>>31);
}
weak_alias (__finitel, finitel)
|
