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103 lines
2.8 KiB
C++
103 lines
2.8 KiB
C++
// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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// vi: set et ts=4 sw=2 sts=4:
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/*
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Copyright 2021 Equinor AS.
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This file is part of the Open Porous Media project (OPM).
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OPM is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OPM is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with OPM. If not, see <http://www.gnu.org/licenses/>.
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Consult the COPYING file in the top-level source directory of this
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module for the precise wording of the license and the list of
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copyright holders.
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*/
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/**
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* \file
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* \brief A datahandle sending data located in multiple vectors
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* \author Markus Blatt, OPM-OP AS
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*/
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namespace Opm
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{
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/// \brief A data handle sending multiple data store in vectors attached
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/// to cells.
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///
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/// Each data is assumed to a container with operator[] and the
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/// class operates on a vector of these.
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/// \tparam GridView the type of the grid view the data associated with
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/// \tparam The type of the vector of vectors.
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template<class GridView, class Vector>
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class VectorVectorDataHandle
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: public Dune::CommDataHandleIF<VectorVectorDataHandle<GridView,Vector>,
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std::decay_t<decltype(Vector()[0][0])>>
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{
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public:
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/// \brief the data type we send
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using DataType = std::decay_t<decltype(Vector()[0][0])>;
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/// \brief Constructor
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/// \param data The vector of data vectors
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/// \param gridView The gridview the data is attached to.
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VectorVectorDataHandle(Vector& data, const GridView& gridView)
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: data_(data), gridView_(gridView)
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{}
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bool contains(int /* dim */, int codim) const
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{
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return codim == 0;
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}
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bool fixedsize(int /* dim */, int /* codim */) const
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{
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return true;
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}
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bool fixedSize(int /* dim */, int /* codim */) const
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{
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return true;
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}
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template<class EntityType>
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std::size_t size(const EntityType /* entity */) const
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{
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return data_.size();
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}
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template<class BufferType, class EntityType>
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void gather(BufferType& buffer, const EntityType& e) const
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{
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for(const auto& vec: data_)
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{
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buffer.write(vec[gridView_.indexSet().index(e)]);
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}
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}
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template<class BufferType, class EntityType>
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void scatter(BufferType& buffer, const EntityType& e, std::size_t n)
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{
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assert(n == data_.size());
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for(auto& vec: data_)
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{
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buffer.read(vec[gridView_.indexSet().index(e)]);
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}
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}
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private:
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Vector& data_;
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const GridView& gridView_;
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};
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} // end namespace Opm
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