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/* Copyright (C) 2010 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. 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.
*
* 0 A.D. 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 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef INCLUDED_MATHUTIL
#define INCLUDED_MATHUTIL
#define DEGTORAD(a) ((a) * ((float)M_PI/180.0f))
#define RADTODEG(a) ((a) * (180.0f/(float)M_PI))
#define SQR(x) ((x) * (x))
template <typename T>
inline T Interpolate(const T& a, const T& b, float l)
{
return a + (b - a) * l;
}
template <typename T>
inline T clamp(T value, T min, T max)
{
if (value <= min) return min;
else if (value >= max) return max;
else return value;
}
inline float sgn(float a)
{
if (a > 0.0f) return 1.0f;
if (a < 0.0f) return -1.0f;
return 0.0f;
}
#endif
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