MatrixVectorTraits.h

/**
 * \file
 * \copyright
 * Copyright (c) 2012-2021, OpenGeoSys Community (http://www.opengeosys.org)
 *            Distributed under a Modified BSD License.
 *              See accompanying file LICENSE.txt or
 *              http://www.opengeosys.org/project/license
 *
 */

#pragma once

#include <memory>
#include "MatrixSpecifications.h"

namespace MathLib
{
template<typename Matrix>
struct MatrixVectorTraits;
}

#define SPECIALIZE_MATRIX_VECTOR_TRAITS(MATVEC, IDX)                    \
    template <>                                                         \
    struct MatrixVectorTraits<MATVEC>                                   \
    {                                                                   \
        using Index = IDX;                                              \
        static std::unique_ptr<MATVEC> newInstance();                   \
        static std::unique_ptr<MATVEC> newInstance(MATVEC const& A);    \
        static std::unique_ptr<MATVEC> newInstance(                     \
            MatrixSpecifications const& spec);                          \
        static std::unique_ptr<MATVEC> newInstance(Index const length); \
    };

#ifdef USE_PETSC

#include "MathLib/LinAlg/PETSc/PETScMatrix.h"
#include "MathLib/LinAlg/PETSc/PETScVector.h"

namespace MathLib
{
SPECIALIZE_MATRIX_VECTOR_TRAITS(PETScMatrix, PETScMatrix::IndexType);
SPECIALIZE_MATRIX_VECTOR_TRAITS(PETScVector, PETScVector::IndexType);
}


#else

#include "MathLib/LinAlg/Eigen/EigenMatrix.h"
#include "MathLib/LinAlg/Eigen/EigenVector.h"

namespace MathLib
{
SPECIALIZE_MATRIX_VECTOR_TRAITS(EigenMatrix, EigenMatrix::IndexType)
SPECIALIZE_MATRIX_VECTOR_TRAITS(EigenVector, EigenVector::IndexType)
}

#endif

#undef SPECIALIZE_MATRIX_VECTOR_TRAITS