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fixedpoint.h
1 /* ScummVM - Graphic Adventure Engine
2  *
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4  * are too numerous to list here. Please refer to the COPYRIGHT
5  * file distributed with this source distribution.
6  *
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8  * it under the terms of the GNU General Public License as published by
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11 
12  * This program is distributed in the hope that it will be useful,
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14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  * GNU General Public License for more details.
16 
17  * You should have received a copy of the GNU General Public License
18  * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20  */
21 
22 #ifndef ILLUSIONS_FIXEDPOINT_H
23 #define ILLUSIONS_FIXEDPOINT_H
24 
25 #include "common/rect.h"
26 
27 namespace Illusions {
28 
29 typedef int32 FixedPoint16;
30 
31 FixedPoint16 floatToFixed(float value);
32 float fixedToFloat(FixedPoint16 value);
33 FixedPoint16 fixedMul(FixedPoint16 a, FixedPoint16 b);
34 FixedPoint16 fixedDiv(FixedPoint16 a, FixedPoint16 b);
35 int16 fixedTrunc(FixedPoint16 value);
36 FixedPoint16 fixedDistance(FixedPoint16 x1, FixedPoint16 y1, FixedPoint16 x2, FixedPoint16 y2);
37 FixedPoint16 fixedAtan(FixedPoint16 value);
38 FixedPoint16 fixedCos(FixedPoint16 value);
39 FixedPoint16 fixedSin(FixedPoint16 value);
40 
41 } // End of namespace Illusions
42 
43 #endif // ILLUSIONS_FIXEDPOINT_H
Definition: actor.h:34