local_assembler_for_integral_operators.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
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

#ifndef fiber_local_assembler_for_integral_operators_hpp
#define fiber_local_assembler_for_integral_operators_hpp

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

#include "_2d_array.hpp"
#include "scalar_traits.hpp"
#include "types.hpp"

#include <vector>

namespace Fiber
{

template <typename ResultType>
class LocalAssemblerForIntegralOperators
{
public:
    typedef typename ScalarTraits<ResultType>::RealType CoordinateType;

    virtual ~LocalAssemblerForIntegralOperators() {}

    virtual void evaluateLocalWeakForms(
            CallVariant callVariant,
            const std::vector<int>& elementIndicesA,
            int elementIndexB,
            LocalDofIndex localDofIndexB,
            std::vector<arma::Mat<ResultType> >& result,
            CoordinateType nominalDistance = -1.) = 0;

    virtual void evaluateLocalWeakForms(
            const std::vector<int>& testElementIndices,
            const std::vector<int>& trialElementIndices,
            Fiber::_2dArray<arma::Mat<ResultType> >& result,
            CoordinateType nominalDistance = -1.) = 0;

    virtual CoordinateType estimateRelativeScale(CoordinateType minDist) const = 0;
};

} // namespace Fiber

#endif