mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-13 12:39:56 +00:00
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/* ResidualVM - A 3D game interpreter
|
|
*
|
|
* ResidualVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program 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 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program 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, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef MATH_UTILS_H
|
|
#define MATH_UTILS_H
|
|
|
|
#include "common/scummsys.h"
|
|
|
|
namespace Math {
|
|
|
|
/* Math::epsilon is a constant with a small value which is used for comparing
|
|
* floating point numbers.
|
|
*
|
|
* The value is based on the previous hard-coded numbers in
|
|
* Line2d.cpp. Smaller numbers could be used unless they are
|
|
* smaller than the float granularity.
|
|
*/
|
|
static const float epsilon = 0.0001f;
|
|
|
|
inline float square(float x) {
|
|
return x * x;
|
|
}
|
|
|
|
}
|
|
|
|
#endif
|