boundarypatch.hh

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// SPDX-FileCopyrightText: 2021-2024 The Ikarus Developers mueller@ibb.uni-stuttgart.de
// SPDX-License-Identifier: LGPL-3.0-or-later
 
#pragma once
 
#include <dune/python/pybind11/eigen.h>
#include <dune/python/pybind11/functional.h>
#include <dune/python/pybind11/pybind11.h>
#include <dune/python/pybind11/stl.h>
 
#include <ikarus/finiteelements/ferequirements.hh>
 
namespace Ikarus::Python {
 
// Python wrapper for the FVAssembler C++ class
template <class BoundaryPatch, class... options>
void registerBoundaryPatch(pybind11::handle scope, pybind11::class_<BoundaryPatch, options...> cls) {
  using pybind11::operator""_a;
 
  using GridView = typename BoundaryPatch::GridView;
 
  cls.def(pybind11::init([](const GridView& gv, Eigen::Ref<Eigen::VectorX<bool>> vec) {
            Dune::BitSetVector<1> bitSetVector;
            bitSetVector.resize(vec.size());
            for (size_t i = 0; i < vec.size(); ++i)
              bitSetVector[i] = vec[i];
            return new BoundaryPatch(gv, bitSetVector);
          }),
          pybind11::keep_alive<1, 2>(), pybind11::keep_alive<1, 3>());
 
  cls.def("gridView", &BoundaryPatch::gridView);
}
 
} // namespace Ikarus::Python