default_evaluator_for_integral_operators.hpp

// Copyright (C) 2011-2012 by the BEM++ Authors
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#ifndef fiber_default_evaluator_for_integral_operators_hpp
#define fiber_default_evaluator_for_integral_operators_hpp

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

#include "evaluator_for_integral_operators.hpp"

#include "collection_of_2d_arrays.hpp"
#include "parallelization_options.hpp"
#include "quadrature_options.hpp"

#include "../common/armadillo_fwd.hpp"
#include <vector>

namespace Fiber
{

struct QuadratureOptions;
template <typename ValueType> class Shapeset;
template <typename CoordinateType> class CollectionOfShapesetTransformations;
template <typename ValueType> class CollectionOfKernels;
template <typename BasisFunctionType, typename KernelType, typename ResultType>
class KernelTrialIntegral;
template <typename CoordinateType> class RawGridGeometry;
class OpenClHandler;
template <typename BasisFunctionType>
class QuadratureDescriptorSelectorForPotentialOperators;
template <typename CoordinateType> class SingleQuadratureRuleFamily;
template <typename BasisFunctionType, typename KernelType,
          typename ResultType, typename GeometryFactory>
class DefaultEvaluatorForIntegralOperators :
        public EvaluatorForIntegralOperators<ResultType>
{
public:
    typedef EvaluatorForIntegralOperators<ResultType> Base;
    typedef typename Base::CoordinateType CoordinateType;
    typedef typename Base::Region Region;

    DefaultEvaluatorForIntegralOperators(
            const shared_ptr<const GeometryFactory >& geometryFactory,
            const shared_ptr<const RawGridGeometry<CoordinateType> >& rawGeometry,
            const shared_ptr<const std::vector<const Shapeset<BasisFunctionType>*> >& trialShapesets,
            const shared_ptr<const CollectionOfKernels<KernelType> >& kernels,
            const shared_ptr<const CollectionOfShapesetTransformations<CoordinateType> >& trialTransformations,
            const shared_ptr<const KernelTrialIntegral<BasisFunctionType, KernelType, ResultType> >& integral,
            const shared_ptr<const std::vector<std::vector<ResultType> > >& argumentLocalCoefficients,
            const shared_ptr<const OpenClHandler>& openClHandler,
            const ParallelizationOptions& parallelizationOptions,
            const shared_ptr<const QuadratureDescriptorSelectorForPotentialOperators<
                BasisFunctionType> >& quadDescSelector,
            const shared_ptr<const SingleQuadratureRuleFamily<
                CoordinateType> >& quadRuleFamily);

    virtual void evaluate(Region region,
                          const arma::Mat<CoordinateType>& points,
                          arma::Mat<ResultType>& result) const;

private:
    void cacheTrialData();
    void calcTrialData(
            Region region,
            int kernelTrialGeomDeps,
            GeometricalData<CoordinateType>& trialGeomData,
            CollectionOf2dArrays<ResultType>& trialExprValues,
            std::vector<CoordinateType>& weights) const;

private:
    const shared_ptr<const GeometryFactory> m_geometryFactory;
    const shared_ptr<const RawGridGeometry<CoordinateType> > m_rawGeometry;
    const shared_ptr<const std::vector<const Shapeset<BasisFunctionType>*> > m_trialShapesets;
    const shared_ptr<const CollectionOfKernels<KernelType> > m_kernels;
    const shared_ptr<const CollectionOfShapesetTransformations<CoordinateType> > m_trialTransformations;
    const shared_ptr<const KernelTrialIntegral<BasisFunctionType, KernelType, ResultType> > m_integral;
    const shared_ptr<const std::vector<std::vector<ResultType> > > m_argumentLocalCoefficients;
    const shared_ptr<const OpenClHandler> m_openClHandler;
    const ParallelizationOptions m_parallelizationOptions;
    const shared_ptr<const QuadratureDescriptorSelectorForPotentialOperators<
                         BasisFunctionType> > m_quadDescSelector;
    const shared_ptr<const SingleQuadratureRuleFamily<CoordinateType> > m_quadRuleFamily;

    Fiber::GeometricalData<CoordinateType> m_nearFieldTrialGeomData;
    Fiber::GeometricalData<CoordinateType> m_farFieldTrialGeomData;
    CollectionOf2dArrays<ResultType> m_nearFieldTrialTransfValues;
    CollectionOf2dArrays<ResultType> m_farFieldTrialTransfValues;
    std::vector<CoordinateType> m_nearFieldWeights;
    std::vector<CoordinateType> m_farFieldWeights;
};

} // namespace Fiber

#include "default_evaluator_for_integral_operators_imp.hpp"

#endif