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46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/* ResidualVM - A 3D game interpreter
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*
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* ResidualVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program 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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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef MATH_UTILS_H
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#define MATH_UTILS_H
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#include "common/scummsys.h"
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namespace Math {
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/* Math::epsilon is a constant with a small value which is used for comparing
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* floating point numbers.
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*
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* The value is based on the previous hard-coded numbers in
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* Line2d.cpp. Smaller numbers could be used unless they are
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* smaller than the float granularity.
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*/
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static const float epsilon = 0.0001f;
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inline float square(float x) {
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return x * x;
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}
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}
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#endif
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