WeakEquationChargeDiffusion.h
9b8de3ba2960lammm-devel

WeakEquationChargeDiffusion.h
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			#ifndef WEAK_EQUATION_CHARGE_DIFFUSION_H
			#define WEAK_EQUATION_CHARGE_DIFFUSION_H

			#include <set>
			#include <string>

			#include "WeakEquation.h"

			namespace ATC{

			/**
			* @class WeakEquationChargeDiffusion
			* @brief Charge density computation
			* int M q = sum_s N q_s
			*/

			class WeakEquationChargeDiffusion : public WeakEquation {

			public:

			// constructor
			WeakEquationChargeDiffusion();

			// destructor
			virtual ~WeakEquationChargeDiffusion();

			/** density that used to form the mass matrix */
			virtual bool has_M_integrand(void) const {return true;}
			virtual void M_integrand(const FIELD_MATS &fields,
			const Material * material,
			DENS_MAT &density ) const ;
			/** necessary interfaces */
			virtual std::set<std::string> needs_material_functions(void) const
			{
			std::set<std::string> needs;
			return needs;
			}
			};

			};
			#endif