1 /* Round float value to long long int.
2 Copyright (C) 1997-2015 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <http://www.gnu.org/licenses/>. */
21 /* Round to the nearest integer, with values exactly on a 0.5 boundary
22 rounded away from zero, regardless of the current rounding mode.
23 If (long long)x, when x is out of range of a long long, clips at
24 LLONG_MAX or LLONG_MIN, then this implementation also clips. */
29 long long xr
= (long long) x
;
30 float xrf
= (float) xr
;
35 xr
+= (long long) ((unsigned long long) xr
+ 1) > 0;
40 xr
-= (long long) ((unsigned long long) xr
- 1) < 0;
44 weak_alias (__llroundf
, llroundf
)