mechanicalForcesUdi.hpp
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mechanicalForcesUdi.hpp
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			#ifndef __MECHANICAL_FORCES_UDI_H__
			#define __MECHANICAL_FORCES_UDI_H__

			#include <iostream>
			#include <boost/array.hpp>
			#include "mechanicalForces.hpp"

			class MechanicalForcesUdi:public MechanicalForces{

			protected:
			double *m_area0;
			double k_polarity;

			protected:
			void dSpecialEnergy(Cell *c,const state_type &y,state_type &dydt);
			public:
			void operator()(const state_type &y, state_type &dydt, const double t);
			void setArea0(double *area0){m_area0 = area0;}; // avoids copying the entire array
			float area0(Cell *c){return m_area0[c->id()];};
			virtual void updateSignal(const state_type &y);
			void setParams(const double *par)
			{k_area = par[0];k_perim= par[2];k_polarity=par[1];};
			};

			#endif