line.hpp

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// OpenBEM - Copyright (C) 2026 Shashwat Sharma
 
// This file is part of OpenBEM.
 
// OpenBEM is free software: you can redistribute it and/or modify it under the terms of the
// GNU General Public License as published by the Free Software Foundation, either version 3
// of the License, or (at your option) any later version.
 
// You should have received a copy of the GNU General Public License along with OpenBEM.
// If not, see <https://www.gnu.org/licenses/>.
 
 
#ifndef BEM_RWG_OPINT_SRC_LINE_H
#define BEM_RWG_OPINT_SRC_LINE_H
 
#include "types.hpp"
#include "geometry/primitives/triangle.hpp"
#include "quadrature/line/base.hpp"
#include "quadrature/line/gauss.hpp"
#include "rwg/integrators/src/base.hpp"
 
 
namespace bem::rwg
{
 
template <typename LineQuadratureType = GaussLineQuadrature<1>>
class SrcLineIntegrator: public SrcIntegratorBase
{
 
    using base = SrcIntegratorBase;
    static_assert(
        std::is_base_of<LineQuadratureBase<1>, LineQuadratureType>::value,
        "SrcLineIntegrator: `LineQuadratureType` must derive from `LineQuadratureBase<1>`"
        );
 
public:
 
    SrcLineIntegrator(const LineQuadratureType line_quad = GaussLineQuadrature<1>()):
        line_quad_(line_quad) {};
 
 
    SrcResult integrate(
        const Complex k,
        const Triangle<2>& src_tri,
        ConstEigRef<EigMatNX<Float, 3>> r_obs
        ) override;
 
 
    const LineQuadratureType& quadrature_object() const
    { return line_quad_; };
 
 
    LineQuadratureType& quadrature_object()
    { return line_quad_; };
 
 
private:
 
    LineQuadratureType line_quad_;
 
};
 
}
 
#include "rwg/integrators/src/line.tpp"
 
#endif