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/****************************************************************************\
* *
* Copyright by Casimo, 2013 *
* *
* This file is part of fxMaze. *
* *
* fxMaze is free software: you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* fxMaze is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with fxMaze. If not, see <http://www.gnu.org/licenses/>. *
* *
\****************************************************************************/
#ifndef _CALC_H_
#define _CALC_H_
#define Abs(x) ((x < 0)? -x : x)
#define degtorad(x) (x * 0.0174532925)
#define sgn(x) ((int)((x > 0) ? 1 : (x == 0)?0:-1))
#define GetBit(x, y) (x & (1 << y)) != 0
#define SetBit(x, y) (x |= (1 << y))
#define ClearBit(x, y) (x &= ~(1 << y))
#define crand() random()
void seedrandom(void);
unsigned int random(void);
void table(void);
void fill(unsigned int *, unsigned int, unsigned int);
extern int TDist[64];
#endif
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