RungeKutta.h
No OneTemporary
Actions

Subscribers

None

File Metadata


	#ifndef ODELIBRARY_RUNGEKUTTA_H
	#define ODELIBRARY_RUNGEKUTTA_H
	#include "AbstractSolver.h"

	/**
	* The famous Runge Kutta solver. Solutions for 4 methods order are available. It will compute the 4th order udpate by
	* default, a.k.a. the RK4 method.
	*/
	class RungeKutta : public AbstractSolver{
	private:
	//
	int methodOrder;
	public:
	RungeKutta(double t0,double tf,int n,int order, Eigen::VectorXd& y0);
	/**
	* Default constructor sets the method order to 4.
	*/
	RungeKutta() : AbstractSolver() { methodOrder=4; };
	/**
	* Setter for the method order, will throw an exception if the order is invalid.
	* @param n : method order, integer, can be 1, 2, 3 or 4
	*/
	void setMethodOrder(int n);
	/// getter for the method order
	int getMethodOrder();
	/**
	* Step method for runge Kutta, it will depend on the method order.
	* @param y : Eigen vector, the current value of the equation
	* @param t : double, the current time where the step must be performed
	*/
	void step(Eigen::VectorXd &y, double t) override ;
	};

	#endif //ODELIBRARY_RUNGEKUTTA_H