1 /* GTK - The GIMP Toolkit
2 * Copyright (C) 2011 Chun-wei Fan <fanc999@yahoo.com.tw>
4 * Author: Chun-wei Fan <fanc999@yahoo.com.tw>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
22 /* Workaround for round() for non-GCC/non-C99 compilers */
28 return floor (x + 0.5);
30 return ceil (x - 0.5);
34 /* Workaround for rint() for non-GCC/non-C99 compilers */
39 if (ceil (x + 0.5) == floor (x + 0.5))
51 return floor (x + 0.5);
53 return ceil (x - 0.5);
58 #ifndef HAVE_NEARBYINT
59 /* Workaround for nearbyint() for non-GCC/non-C99 compilers */
60 /* This is quite similar to rint() in most respects */
65 return floor (x + 0.5);