vector_ops.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_OPS_VECTOR_OPS_H
#define BEM_RWG_OPS_VECTOR_OPS_H
 
#include <stdexcept>
#include <iostream>
 
#include "types.hpp"
 
#include "geometry/primitives/triangle.hpp"
 
#include "rwg/integrators/obs/base.hpp"
#include "rwg/integrators/obs/strategic.hpp"
#include "rwg/operators/base.hpp"
#include "rwg/operators/single_layer.hpp"
#include "rwg/operators/double_layer.hpp"
#include "rwg/operators/gram.hpp"
 
 
namespace bem::rwg
{
 
template <typename ObsIntegratorType = ObsStrategic<>>
class VectorRwgOps: public OperatorBase<12, 3>
{
 
    using base = OperatorBase<12, 3>;
    static_assert(
        std::is_base_of<ObsIntegratorBase, ObsIntegratorType>::value,
        "VectorRwgOps: `ObsIntegratorType` must derive from `ObsIntegratorBase`"
        );
 
public:
 
    VectorRwgOps(const ObsIntegratorType obs_integrator = ObsStrategic<>(), const bool helmholtz_kernel = false):
        obs_integrator_(obs_integrator), helmholtz_kernel_(helmholtz_kernel) {};
 
 
    EigMatMN<Complex, 12, 3> compute(
        const Complex k,
        const Triangle<3>& obs_tri,
        const Triangle<3>& src_tri
        ) override;
 
 
protected:
 
    const bool helmholtz_kernel_ = false;
 
    ObsIntegratorType obs_integrator_;
 
    VectorSingleLayerOp<ObsIntegratorType> vector_single_layer_;
    RotVectorSingleLayerOp<ObsIntegratorType> rot_vector_single_layer_;
    VectorDoubleLayerPvOp<ObsIntegratorType> vector_double_layer_pv_;
    RotVectorDoubleLayerPvOp<ObsIntegratorType> rot_vector_double_layer_pv_;
    RotGradScalarSingleLayerOp<ObsIntegratorType> rot_grad_scalar_single_layer_;
    ScalarSingleLayerOp<ObsIntegratorType> scalar_single_layer_;
 
};
 
}
 
#include "rwg/operators/vector_ops.tpp"
 
#endif