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/**
* @file cordic.hpp
* @brief Provides mathematical functions for algorithms.
*
* Copyright (C) 2023 Clyne Sullivan
*
* Distributed under the GNU GPL v3 or later. You should have received a copy of
* the GNU General Public License along with this program.
* If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef CORDIC_HPP_
#define CORDIC_HPP_
/**
* Named after the hardware CORDIC peripheral even though software
* implementations may be used.
*/
namespace cordic {
// Provides pi in case cordic functions require it.
constexpr double PI = 3.1415926535L;
/**
* Prepares cordic functions for use.
*/
void init();
// mod - Calculates remainder for given fraction.
// cos, sin, tan - The trig functions.
#if !defined(TARGET_PLATFORM_L4)
double mod(double n, double d);
double cos(double x);
double sin(double x);
double tan(double x);
#else
float mod(float n, float d);
float cos(float x);
float sin(float x);
float tan(float x);
#endif
}
#endif // CORDIC_HPP_
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