#ifndef __FISHBONE_MATH_H__
#define __FISHBONE_MATH_H__

#include <fishbone/pre.h>

namespace fishbone {
	float cot(float x);
	template <typename T>
	std::vector<T> quadToTriangle(std::vector<T> v);
}; // namespace fishbone

/* no includes */

namespace fishbone {
	float cot(float x);
	template <typename T>
	std::vector<T> quadToTriangle(std::vector<T> v) {
		std::vector<T> r;

		/**
		 * 1-4
		 * |\|
		 * 2-3
		 */
		for(int i = 0; i < v.size(); i += 4) {
			r.push_back(v[i + 0]);
			r.push_back(v[i + 1]);
			r.push_back(v[i + 2]);

			r.push_back(v[i + 2]);
			r.push_back(v[i + 3]);
			r.push_back(v[i + 0]);
		}

		return r;
	}

	static double pi = 3.14159265358979323846;
}; // namespace fishbone

#endif