1 /* Round argument to nearest integral value according to current rounding
3 Copyright (C) 1997-2014 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
5 Contributed by Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7 The GNU C Library is free software; you can redistribute it and/or
8 modify it under the terms of the GNU Lesser General Public
9 License as published by the Free Software Foundation; either
10 version 2.1 of the License, or (at your option) any later version.
12 The GNU C Library is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 Lesser General Public License for more details.
17 You should have received a copy of the GNU Lesser General Public
18 License along with the GNU C Library. If not, see
19 <http://www.gnu.org/licenses/>. */
22 #include <math_private.h>
32 x = __m81_u(__rintf) (x);
34 GET_FLOAT_WORD (i, x);
36 e = ((i >> 23) & 0xff) - 0x7f;
46 result = (long long int) (i << (e - 55)) << 32;
48 result = (((long long int) (i >> (55 - e)) << 32) | (i << (e - 23)));
50 result = i << (e - 23);
52 result = i >> (23 - e);
57 /* The number is too large or not finite. The standard leaves it
58 undefined what to return when the number is too large to fit in a
65 weak_alias (__llrintf, llrintf)