💿🐜 Antkeeper source code https://antkeeper.com
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/*
* Copyright (C) 2020 Christopher J. Howard
*
* This file is part of Antkeeper source code.
*
* Antkeeper source code 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.
*
* Antkeeper source code 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 Antkeeper source code. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef ANTKEEPER_MATH_ANGLES_HPP
#define ANTKEEPER_MATH_ANGLES_HPP
#include "math/constants.hpp"
#include <cmath>
namespace math {
/// @addtogroup utility
/// @{
/**
* Converts an angle given in radians to degrees.
*
* @param radians Angle in radians.
* @return Angle in degrees.
*/
template <class T>
T degrees(T radians);
/**
* Converts an angle given in degrees to radians.
*
* @param radians Angle in radians.
* @return Angle in degrees.
*/
template <class T>
T radians(T degrees);
/**
* Wraps an angle to [-180, 180].
*
* @param degrees Angle in degrees.
* @return Wrapped angle.
*/
template <class T>
T wrap_degrees(T degrees);
/**
* Wraps an angle to [-pi, pi].
*
* @param radians Angle in radians.
* @return Wrapped angle.
*/
template <class T>
T wrap_radians(T radians);
template <class T>
inline T degrees(T radians)
{
return radians * T(180) / pi<T>;
}
template <class T>
inline T radians(T degrees)
{
return degrees * pi<T> / T(180);
}
template <class T>
inline T wrap_degrees(T degrees)
{
return std::remainder(degrees, T(360));
}
template <class T>
inline T wrap_radians(T radians)
{
return std::remainder(radians, two_pi<T>);
}
/// @}
} // namespace math
#endif // ANTKEEPER_MATH_ANGLES_HPP