1 /* finiteq.c -- __float128 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 #include "quadmath-imp.h"
17
18 /*
19 * finiteq(x) returns 1 is x is finite, else 0;
20 * no branching!
21 */
22
23 int
finiteq(const __float128 x)24 finiteq (const __float128 x)
25 {
26 int64_t hx;
27 GET_FLT128_MSW64(hx,x);
28 return (int)((uint64_t)((hx&0x7fffffffffffffffLL)
29 -0x7fff000000000000LL)>>63);
30 }
31