default_local_assembler_for_grid_functions_on_surfaces.hpp

// Copyright (C) 2011-2012 by the Bem++ Authors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// 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.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// 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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// THE SOFTWARE.

#ifndef fiber_default_local_assembler_for_grid_functions_on_surfaces_hpp
#define fiber_default_local_assembler_for_grid_functions_on_surfaces_hpp

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

#include "local_assembler_for_grid_functions.hpp"
#include "numerical_quadrature.hpp"
#include "quadrature_options.hpp"
#include "test_function_integrator.hpp"
#include "scalar_traits.hpp"

#include <tbb/concurrent_unordered_map.h>
#include <map>
#include <vector>

namespace Fiber
{

class OpenClHandler;
template <typename CoordinateType> class CollectionOfShapesetTransformations;
template <typename ValueType> class Function;
template <typename CoordinateType> class RawGridGeometry;

template <typename CoordinateType> class QuadratureDescriptorSelectorForGridFunctions;
template <typename CoordinateType> class SingleQuadratureRuleFamily;
template <typename BasisFunctionType, typename UserFunctionType,
          typename ResultType, typename GeometryFactory>
class DefaultLocalAssemblerForGridFunctionsOnSurfaces :
        public LocalAssemblerForGridFunctions<ResultType>
{
public:
    typedef typename ScalarTraits<ResultType>::RealType CoordinateType;

    DefaultLocalAssemblerForGridFunctionsOnSurfaces(
            const shared_ptr<const GeometryFactory>& geometryFactory,
            const shared_ptr<const RawGridGeometry<CoordinateType> >& rawGeometry,
            const shared_ptr<const std::vector<
                const Shapeset<BasisFunctionType>*> >& testShapesets,
            const shared_ptr<const CollectionOfShapesetTransformations<
                CoordinateType> >& testTransformations,
            const shared_ptr<const Function<UserFunctionType> >& function,
            const shared_ptr<const OpenClHandler>& openClHandler,
            const shared_ptr<const QuadratureDescriptorSelectorForGridFunctions<
                CoordinateType> >& quadDescSelector,
            const shared_ptr<const SingleQuadratureRuleFamily<
                CoordinateType> >& quadRuleFamily);
    virtual ~DefaultLocalAssemblerForGridFunctionsOnSurfaces();

public:
    virtual void evaluateLocalWeakForms(
            const std::vector<int>& elementIndices,
            std::vector<arma::Col<ResultType> >& result);

private:
    typedef TestFunctionIntegrator<BasisFunctionType, ResultType> Integrator;

    const Integrator& selectIntegrator(int elementIndex);

    const Integrator& getIntegrator(const SingleQuadratureDescriptor& index);

private:
    typedef tbb::concurrent_unordered_map<SingleQuadratureDescriptor,
    Integrator*> IntegratorMap;

private:
    shared_ptr<const GeometryFactory> m_geometryFactory;
    shared_ptr<const RawGridGeometry<CoordinateType> > m_rawGeometry;
    shared_ptr<const std::vector<const Shapeset<BasisFunctionType>*> > m_testShapesets;
    shared_ptr<const CollectionOfShapesetTransformations<CoordinateType> > m_testTransformations;
    shared_ptr<const Function<UserFunctionType> > m_function;
    shared_ptr<const OpenClHandler> m_openClHandler;
    shared_ptr<const QuadratureDescriptorSelectorForGridFunctions<CoordinateType> > m_quadDescSelector;
    shared_ptr<const SingleQuadratureRuleFamily<CoordinateType> > m_quadRuleFamily;

    IntegratorMap m_testFunctionIntegrators;
};

} // namespace Fiber

#include "default_local_assembler_for_grid_functions_on_surfaces_imp.hpp"

#endif