Fex.h

/*-------------------------------------------------------------------
Copyright 2011 Ravishankar Sundararaman

This file is part of JDFTx.

JDFTx is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

JDFTx is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with JDFTx.  If not, see <http://www.gnu.org/licenses/>.
-------------------------------------------------------------------*/

#ifndef JDFTX_FLUID_FEX_H
#define JDFTX_FLUID_FEX_H

#include <fluid/Molecule.h>
#include <core/ScalarField.h>
class FluidMixture;
struct FluidComponent;

class Fex
{
public:
        const Molecule& molecule;
        const GridInfo& gInfo;
        const double T;

        Fex(const FluidMixture*, const FluidComponent*);
        virtual ~Fex() {}

        virtual double compute(const ScalarFieldTilde* Ntilde, ScalarFieldTilde* Phi_Ntilde) const=0;

        virtual double computeUniform(const double* N, double* Phi_N) const=0;
};

#endif // JDFTX_FLUID_FEX_H