31 lines
1.1 KiB
C
31 lines
1.1 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS-LCD-Driver.
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ChibiOS-LCD-Driver is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS-LCD-Driver is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef FASTMATH_H
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#define FASTMATH_H
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char sgn(char x);
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double getCos(unsigned int degree);
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double getSin(unsigned int degree);
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unsigned char max(unsigned char a, unsigned char b);
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unsigned char min(unsigned char a, unsigned char b);
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#endif /* FASTMATH_H_ */
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