ugfx/glcd/fastMath.h

31 lines
1.1 KiB
C

/*
ChibiOS/RT - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver 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.
ChibiOS-LCD-Driver 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef FASTMATH_H
#define FASTMATH_H
char sgn(char x);
double getCos(unsigned int degree);
double getSin(unsigned int degree);
unsigned char max(unsigned char a, unsigned char b);
unsigned char min(unsigned char a, unsigned char b);
#endif /* FASTMATH_H_ */