AbstractFeAssemblerInterface.hpp

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*/

#ifndef ABSTRACTFEASSEMBLERINTERFACE_HPP_
#define ABSTRACTFEASSEMBLERINTERFACE_HPP_

#include <cassert>
#include "UblasCustomFunctions.hpp"
#include "PetscTools.hpp"

template <bool CAN_ASSEMBLE_VECTOR, bool CAN_ASSEMBLE_MATRIX>
class AbstractFeAssemblerInterface  : private boost::noncopyable
{
protected:
    Vec mVectorToAssemble;

    Mat mMatrixToAssemble;

    bool mAssembleMatrix;

    bool mAssembleVector;

    bool mZeroMatrixBeforeAssembly;

    bool mZeroVectorBeforeAssembly;

    PetscInt mOwnershipRangeLo;

    PetscInt mOwnershipRangeHi;

    virtual void DoAssemble()=0;

public:

    AbstractFeAssemblerInterface();

    void SetMatrixToAssemble(Mat& rMatToAssemble, bool zeroMatrixBeforeAssembly=true);

    void SetVectorToAssemble(Vec& rVecToAssemble, bool zeroVectorBeforeAssembly);

    void Assemble()
    {
        mAssembleMatrix = CAN_ASSEMBLE_MATRIX;
        mAssembleVector = CAN_ASSEMBLE_VECTOR;
        DoAssemble();
    }

    void AssembleMatrix()
    {
        assert(CAN_ASSEMBLE_MATRIX);
        mAssembleMatrix = true;
        mAssembleVector = false;
        DoAssemble();
    }

    void AssembleVector()
    {
        assert(CAN_ASSEMBLE_VECTOR);
        mAssembleMatrix = false;
        mAssembleVector = true;
        DoAssemble();
    }

    virtual ~AbstractFeAssemblerInterface()
    {
    }
};

template <bool CAN_ASSEMBLE_VECTOR, bool CAN_ASSEMBLE_MATRIX>
AbstractFeAssemblerInterface<CAN_ASSEMBLE_VECTOR, CAN_ASSEMBLE_MATRIX>::AbstractFeAssemblerInterface()
    : mVectorToAssemble(nullptr),
      mMatrixToAssemble(nullptr),
      mZeroMatrixBeforeAssembly(true),
      mZeroVectorBeforeAssembly(true)
{
    assert(CAN_ASSEMBLE_VECTOR || CAN_ASSEMBLE_MATRIX);
}

template <bool CAN_ASSEMBLE_VECTOR, bool CAN_ASSEMBLE_MATRIX>
void AbstractFeAssemblerInterface<CAN_ASSEMBLE_VECTOR, CAN_ASSEMBLE_MATRIX>::SetMatrixToAssemble(Mat& rMatToAssemble, bool zeroMatrixBeforeAssembly)
{
    assert(rMatToAssemble);
    MatGetOwnershipRange(rMatToAssemble, &mOwnershipRangeLo, &mOwnershipRangeHi);

    mMatrixToAssemble = rMatToAssemble;
    mZeroMatrixBeforeAssembly = zeroMatrixBeforeAssembly;
}

template <bool CAN_ASSEMBLE_VECTOR, bool CAN_ASSEMBLE_MATRIX>
void AbstractFeAssemblerInterface<CAN_ASSEMBLE_VECTOR, CAN_ASSEMBLE_MATRIX>::SetVectorToAssemble(Vec& rVecToAssemble, bool zeroVectorBeforeAssembly)
{
    assert(rVecToAssemble);
    VecGetOwnershipRange(rVecToAssemble, &mOwnershipRangeLo, &mOwnershipRangeHi);

    mVectorToAssemble = rVecToAssemble;
    mZeroVectorBeforeAssembly = zeroVectorBeforeAssembly;
}

#endif // ABSTRACTFEASSEMBLERINTERFACE_HPP_