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/* This file is part of the Palabos library.
 *
 * Copyright (C) 2011-2015 FlowKit Sarl
 * Route d'Oron 2
 * 1010 Lausanne, Switzerland
 * E-mail contact: contact@flowkit.com
 *
 * The most recent release of Palabos can be downloaded at 
 * <http://www.palabos.org/>
 *
 * The library Palabos is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * The library 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/** \file
 * Helper functions for domain initialization -- header file.
 */
#ifndef FINITE_DIFFERENCE_FUNCTIONAL_3D_H
#define FINITE_DIFFERENCE_FUNCTIONAL_3D_H

#include "core/globalDefs.h"
#include "atomicBlock/dataProcessingFunctional3D.h"
#include "atomicBlock/reductiveDataProcessingFunctional3D.h"

namespace plb {

/* *************** Central finite-difference schemes ***************** */

template<typename T>
class BoxXderivativeFunctional3D : public BoundedBoxProcessingFunctional3D_SS<T,T>
{
public:
    virtual void processBulk( Box3D domain, ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual void processPlane( int direction, int orientation, Box3D domain,
                              ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual void processEdge( int plane, int normal1, int normal2, Box3D domain,
                              ScalarField3D<T>& value, ScalarField3D<T>& derivative);
    virtual void processCorner( int normalX, int normalY, int normalZ, Box3D domain,
                                ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual BoxXderivativeFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};


template<typename T>
class BoxYderivativeFunctional3D : public BoundedBoxProcessingFunctional3D_SS<T,T>
{
public:
    virtual void processBulk( Box3D domain, ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual void processPlane( int direction, int orientation, Box3D domain,
                              ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual void processEdge( int plane, int normal1, int normal2, Box3D domain,
                              ScalarField3D<T>& value, ScalarField3D<T>& derivative);
    virtual void processCorner( int normalX, int normalY, int normalZ, Box3D domain,
                                ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual BoxYderivativeFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};

template<typename T>
class BoxZderivativeFunctional3D : public BoundedBoxProcessingFunctional3D_SS<T,T>
{
public:
    virtual void processBulk( Box3D domain, ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual void processPlane( int direction, int orientation, Box3D domain,
                              ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual void processEdge( int plane, int normal1, int normal2, Box3D domain,
                              ScalarField3D<T>& value, ScalarField3D<T>& derivative);
    virtual void processCorner( int normalX, int normalY, int normalZ, Box3D domain,
                                ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual BoxZderivativeFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};

template<typename T>
class BoxGradientNormFunctional3D : public BoundedBoxProcessingFunctional3D_SS<T,T>
{
public:
    virtual void processBulk( Box3D domain, ScalarField3D<T>& value, ScalarField3D<T>& grNorm );
    virtual void processPlane( int direction, int orientation, Box3D domain,
                              ScalarField3D<T>& value, ScalarField3D<T>& grNorm );
    virtual void processEdge( int plane, int normal1, int normal2, Box3D domain,
                              ScalarField3D<T>& value, ScalarField3D<T>& grNorm);
    virtual void processCorner( int normalX, int normalY, int normalZ, Box3D domain,
                                ScalarField3D<T>& value, ScalarField3D<T>& grNorm );
    virtual BoxGradientNormFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};

/* *************** SOR iterations to solve a Poisson equation ******** */

template<typename T>
class BoxPoissonIteration3D : public BoundedScalarFieldBoxProcessingFunctional3D<T>
{
public:
    BoxPoissonIteration3D(T beta_);
    virtual void processBulk( Box3D domain, std::vector<ScalarField3D<T>*> scalarFields);
    virtual void processPlane( int direction, int orientation, Box3D domain,
                               std::vector<ScalarField3D<T>*> scalarFields );
    virtual void processEdge( int plane, int normal1, int normal2, Box3D domain,
                              std::vector<ScalarField3D<T>*> scalarFields );
    virtual void processCorner( int normalX, int normalY, int normalZ, Box3D domain,
                                std::vector<ScalarField3D<T>*> scalarFields ); 
    virtual BoxPoissonIteration3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
private:
    T beta; //< Relaxation parameter
};

template<typename T>
class BoxPoissonResidueFunctional3D : public ReductiveBoxProcessingFunctional3D_SS<T,T>
{
public:
    BoxPoissonResidueFunctional3D();
    virtual void process(Box3D domain, ScalarField3D<T>& pressure, ScalarField3D<T>& rhs);
    virtual BoxPoissonResidueFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const {
        modified[0] = modif::nothing;
        modified[1] = modif::nothing;
    }
    T getMaxResidue() const;
private:
    plint maxResidueId;
};

// ========================================================================= //
// PERIODIC VERSIONS OF THE DERIVATIVES AND POISSON SCHEMES //
// ========================================================================= //


/* *************** Central finite-difference schemes ***************** */

template<typename T>
class BoxXperiodicDerivativeFunctional3D : public BoxProcessingFunctional3D_SS<T,T>
{
public:
    virtual void process( Box3D domain, ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual BoxXperiodicDerivativeFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};


template<typename T>
class BoxYperiodicDerivativeFunctional3D : public BoxProcessingFunctional3D_SS<T,T>
{
public:
    virtual void process( Box3D domain, ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual BoxYperiodicDerivativeFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};

template<typename T>
class BoxZperiodicDerivativeFunctional3D : public BoxProcessingFunctional3D_SS<T,T>
{
public:
    virtual void process( Box3D domain, ScalarField3D<T>& value, ScalarField3D<T>& derivative );
    virtual BoxZperiodicDerivativeFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};

template<typename T>
class BoxPeriodicGradientNormFunctional3D : public BoxProcessingFunctional3D_SS<T,T>
{
public:
    virtual void process( Box3D domain, ScalarField3D<T>& value, ScalarField3D<T>& grNorm );
    virtual BoxPeriodicGradientNormFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};

template<typename T>
class BoxPeriodicGradientFunctional3D : public BoxProcessingFunctional3D_ST<T,T,3>
{
public:
    virtual void process( Box3D domain, ScalarField3D<T>& value, TensorField3D<T,3>& derivative );
    virtual BoxPeriodicGradientFunctional3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
    virtual BlockDomain::DomainT appliesTo() const;
};

/* *************** SOR iterations to solve a Poisson equation ******** */

template<typename T>
class BoxPeriodicPoissonIteration3D : public ScalarFieldBoxProcessingFunctional3D<T>
{
public:
    BoxPeriodicPoissonIteration3D(T beta_);
    virtual void process( Box3D domain, std::vector<ScalarField3D<T>*> scalarFields);
    virtual BoxPeriodicPoissonIteration3D<T>* clone() const;
    virtual void getTypeOfModification(std::vector<modif::ModifT>& modified) const;
private:
    T beta; //< Relaxation parameter
};

}  // namespace plb

#endif  // FINITE_DIFFERENCE_FUNCTIONAL_3D_H