1 /* s_finitel.c -- long double version of s_finite.c.
2 * Conversion to IEEE quad long double by Jakub Jelinek, jj@ultra.linux.cz.
3 */
4
5 /*
6 * ====================================================
7 * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
8 *
9 * Developed at SunPro, a Sun Microsystems, Inc. business.
10 * Permission to use, copy, modify, and distribute this
11 * software is freely granted, provided that this notice
12 * is preserved.
13 * ====================================================
14 */
15
16 #if defined(LIBM_SCCS) && !defined(lint)
17 static char rcsid[] = "$NetBSD: $";
18 #endif
19
20 /*
21 * finiteq(x) returns 1 is x is finite, else 0;
22 * no branching!
23 */
24
25 #include "quadmath-imp.h"
26
finiteq(__float128 x)27 int finiteq(__float128 x)
28 {
29 int64_t hx;
30 GET_FLT128_MSW64(hx,x);
31 return (int)((uint64_t)((hx&0x7fff000000000000LL)
32 -0x7fff000000000000LL)>>63);
33 }
34