1 /* ResidualVM - A 3D game interpreter
2 *
3 * ResidualVM is the legal property of its developers, whose names
4 * are too numerous to list here. Please refer to the AUTHORS
5 * file distributed with this source distribution.
6 *
7 * Additional copyright for this file:
8 * Copyright (C) 1999-2000 Revolution Software Ltd.
9 * This code is based on source code created by Revolution Software,
10 * used with permission.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
25 *
26 */
27
28 #ifndef ICB_INCLUDED_P4_GENERIC_H
29 #define ICB_INCLUDED_P4_GENERIC_H
30
31 #include "engines/icb/p4.h"
32 #include "engines/icb/p4_generic_pc.h"
33
34 namespace ICB {
35
remainder(const PXfloat value,const PXfloat divisor,const PXfloat half_divisor)36 inline PXfloat remainder(const PXfloat value, const PXfloat divisor, const PXfloat half_divisor) {
37 PXfloat mod = (PXfloat)PXfmod(value, divisor);
38
39 if (PXfabs(mod) > half_divisor) {
40 if (mod < FLOAT_ZERO)
41 mod += divisor;
42 else
43 mod -= divisor;
44 }
45
46 return (mod);
47 }
48
49 } // End of namespace ICB
50
51 #endif // INCLUDED_P4_GENERIC_H
52