numerical_kernel_trial_integrator.hpp

// Copyright (C) 2011-2012 by the Bem++ Authors
//
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// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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#ifndef fiber_numerical_kernel_trial_integrator_hpp
#define fiber_numerical_kernel_trial_integrator_hpp

#include "../common/common.hpp"

#include "kernel_trial_integrator.hpp"

namespace Fiber
{

template <typename CoordinateType> class CollectionOfShapesetTransformations;
template <typename ValueType> class CollectionOfKernels;
template <typename CoordinateType> class RawGridGeometry;
template <typename BasisFunctionType, typename KernelType, typename ResultType>
class KernelTrialIntegral;
template <typename BasisFunctionType, typename KernelType,
          typename ResultType, typename GeometryFactory>
class NumericalKernelTrialIntegrator :
        public KernelTrialIntegrator<BasisFunctionType, KernelType, ResultType>
{
public:
    typedef KernelTrialIntegrator<BasisFunctionType, KernelType, ResultType> Base;
    typedef typename Base::CoordinateType CoordinateType;
    typedef typename Base::PointElementIndexPair PointElementIndexPair;

    NumericalKernelTrialIntegrator(
            const arma::Mat<CoordinateType>& localQuadPoints,
            const std::vector<CoordinateType> quadWeights,
            const arma::Mat<CoordinateType>& points,
            const GeometryFactory& geometryFactory,
            const RawGridGeometry<CoordinateType>& rawGeometry,
            const CollectionOfKernels<KernelType>& kernels,
            const CollectionOfShapesetTransformations<CoordinateType>& trialTransformations,
            const KernelTrialIntegral<BasisFunctionType, KernelType, ResultType>& integral);

    virtual void integrate(
            const std::vector<int>& pointIndices,
            int trialElementIndex,
            const Shapeset<BasisFunctionType>& trialShapeset,
            LocalDofIndex localTrialDofIndex,
            const std::vector<arma::Mat<ResultType>*>& result) const;

    virtual void integrate(
            int pointIndex,
            int componentIndex,
            const std::vector<int>& trialElementIndices,
            const Shapeset<BasisFunctionType>& trialShapeset,
            const std::vector<arma::Mat<ResultType>*>& result) const;

    virtual void integrate(
            const std::vector<PointElementIndexPair>& pointElementIndexPairs,
            const Shapeset<BasisFunctionType>& trialShapeset,
            const std::vector<arma::Mat<ResultType>*>& result) const;

private:
    arma::Mat<CoordinateType> m_localQuadPoints;
    std::vector<CoordinateType> m_quadWeights;

    const arma::Mat<CoordinateType>& m_points;

    const GeometryFactory& m_geometryFactory;
    const RawGridGeometry<CoordinateType>& m_rawGeometry;

    const CollectionOfKernels<KernelType>& m_kernels;
    const CollectionOfShapesetTransformations<CoordinateType>& m_trialTransformations;
    const KernelTrialIntegral<BasisFunctionType, KernelType, ResultType>& m_integral;
};

} // namespace Fiber

#include "numerical_kernel_trial_integrator_imp.hpp"

#endif