1 /***********************************************************************
2 * *
3 * This software is part of the ast package *
4 * Copyright (c) 1985-2010 AT&T Intellectual Property *
5 * and is licensed under the *
6 * Common Public License, Version 1.0 *
7 * by AT&T Intellectual Property *
8 * *
9 * A copy of the License is available at *
10 * http://www.opensource.org/licenses/cpl1.0.txt *
11 * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) *
12 * *
13 * Information and Software Systems Research *
14 * AT&T Research *
15 * Florham Park NJ *
16 * *
17 * Glenn Fowler <gsf@research.att.com> *
18 * David Korn <dgk@research.att.com> *
19 * Phong Vo <kpv@research.att.com> *
20 * *
21 ***********************************************************************/
22 #include "FEATURE/uwin"
23
24 #if !_UWIN || _lib_ceil && _lib_floor && _lib_rint
25
_STUB_rint()26 void _STUB_rint(){}
27
28 #else
29
30 #include <math.h>
31
32 extern double rint(x)
33 double x;
34 {
35 double d = floor((x+=.5));
36 if(d==x && d/2.!=floor(d/2))
37 d = d-1;
38 return(d);
39 }
40
41 #endif
42