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| 1 | // -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- | ||
| 2 | // vi: set et ts=4 sw=4 sts=4: | ||
| 3 | // | ||
| 4 | // SPDX-FileCopyrightInfo: Copyright © DuMux Project contributors, see AUTHORS.md in root folder | ||
| 5 | // SPDX-License-Identifier: GPL-3.0-or-later | ||
| 6 | // | ||
| 7 | /*! | ||
| 8 | * \file | ||
| 9 | * \ingroup InputOutput | ||
| 10 | * \brief A data handle for commucating grid data for gmsh grids | ||
| 11 | */ | ||
| 12 | #ifndef DUMUX_GMSH_GRID_DATA_HANDLE_HH | ||
| 13 | #define DUMUX_GMSH_GRID_DATA_HANDLE_HH | ||
| 14 | |||
| 15 | #include <memory> | ||
| 16 | #include <algorithm> | ||
| 17 | #include <map> | ||
| 18 | |||
| 19 | #include <dune/common/parallel/communication.hh> | ||
| 20 | #include <dune/geometry/dimension.hh> | ||
| 21 | #include <dune/grid/common/partitionset.hh> | ||
| 22 | #include <dune/grid/common/datahandleif.hh> | ||
| 23 | |||
| 24 | // UGGrid specific includes | ||
| 25 | #if HAVE_DUNE_UGGRID | ||
| 26 | #include <dune/grid/uggrid.hh> | ||
| 27 | #endif | ||
| 28 | |||
| 29 | namespace Dumux { | ||
| 30 | |||
| 31 | /*! | ||
| 32 | * \ingroup InputOutput | ||
| 33 | * \brief A data handle for commucating grid data for gmsh grids | ||
| 34 | */ | ||
| 35 | template<class Grid, class GridFactory, class Data> | ||
| 36 | struct GmshGridDataHandle : public Dune::CommDataHandleIF<GmshGridDataHandle<Grid, GridFactory, Data>, typename Data::value_type> | ||
| 37 | { | ||
| 38 | using GridView = typename Grid::LevelGridView; | ||
| 39 | |||
| 40 | 4 | GmshGridDataHandle(const Grid& grid, const GridFactory& gridFactory, Data& elementMarkers, Data& boundaryMarkers, Data& faceMarkers) | |
| 41 | : gridView_(grid.levelGridView(0)) | ||
| 42 | , idSet_(grid.localIdSet()) | ||
| 43 | , elementMarkers_(elementMarkers) | ||
| 44 | , boundaryMarkers_(boundaryMarkers) | ||
| 45 |
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12 | , faceMarkers_(faceMarkers) |
| 46 | { | ||
| 47 |
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4 | const auto& indexSet = gridView_.indexSet(); |
| 48 | |||
| 49 |
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15896 | for (const auto& element : elements(gridView_, Dune::Partitions::interior)) |
| 50 |
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7946 | std::swap(elementMarkers_[gridFactory.insertionIndex(element)], data_[idSet_.id(element)]); |
| 51 | |||
| 52 |
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13510 | for (const auto& face : entities(gridView_, Dune::Codim<1>())) |
| 53 |
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13502 | std::swap(faceMarkers_[indexSet.index(face)], data_[idSet_.id(face)]); |
| 54 | 4 | } | |
| 55 | |||
| 56 | 4 | ~GmshGridDataHandle() | |
| 57 | { | ||
| 58 | 4 | const auto& indexSet = gridView_.indexSet(); | |
| 59 | |||
| 60 | 8 | elementMarkers_.resize(indexSet.size(0)); | |
| 61 |
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17708 | for (const auto& element : elements(gridView_)) |
| 62 | 8852 | std::swap(elementMarkers_[indexSet.index(element)], data_[idSet_.id(element)]); | |
| 63 | |||
| 64 | 8 | faceMarkers_.resize(indexSet.size(1)); | |
| 65 |
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16497 | for (const auto& face : entities(gridView_, Dune::Codim<1>())) |
| 66 | 16489 | std::swap(faceMarkers_[indexSet.index(face)], data_[idSet_.id(face)]); | |
| 67 | |||
| 68 |
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4 | boundaryMarkers_.resize(gridView_.grid().numBoundarySegments(), 0); |
| 69 |
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17708 | for (const auto& element : elements(gridView_.grid().leafGridView())) |
| 70 | { | ||
| 71 |
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80500 | for (const auto& intersection : intersections(gridView_.grid().leafGridView(), element)) |
| 72 | { | ||
| 73 |
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26972 | if (intersection.boundary()) |
| 74 | { | ||
| 75 |
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938 | const auto marker = faceMarkers_[indexSet.index(element.template subEntity<1>(intersection.indexInInside()))]; |
| 76 | 938 | boundaryMarkers_[intersection.boundarySegmentIndex()] = marker; | |
| 77 | } | ||
| 78 | } | ||
| 79 | } | ||
| 80 | 4 | } | |
| 81 | |||
| 82 | Dune::CommDataHandleIF<GmshGridDataHandle<Grid, GridFactory, Data>, typename Data::value_type>& interface() | ||
| 83 | { return *this; } | ||
| 84 | |||
| 85 | ✗ | bool contains (int dim, int codim) const | |
| 86 | 24 | { return codim == 0 || codim == 1; } | |
| 87 | |||
| 88 | //! returns true if size per entity of given dim and codim is a constant | ||
| 89 | ✗ | bool fixedSize(int dim, int codim) const | |
| 90 | ✗ | { return true; } | |
| 91 | |||
| 92 | template<class EntityType> | ||
| 93 | ✗ | std::size_t size (const EntityType& e) const | |
| 94 | ✗ | { return 1; } | |
| 95 | |||
| 96 | template<class MessageBufferImp, class EntityType> | ||
| 97 | 42704 | void gather (MessageBufferImp& buff, const EntityType& e) const | |
| 98 | 42704 | { buff.write(data_[idSet_.id(e)]); } | |
| 99 | |||
| 100 | template<class MessageBufferImp, class EntityType> | ||
| 101 | ✗ | void scatter (MessageBufferImp& buff, const EntityType& e, std::size_t n) | |
| 102 | ✗ | { buff.read(data_[idSet_.id(e)]); } | |
| 103 | |||
| 104 | private: | ||
| 105 | using IdSet = typename Grid::LocalIdSet; | ||
| 106 | |||
| 107 | const GridView gridView_; | ||
| 108 | const IdSet &idSet_; | ||
| 109 | Data& elementMarkers_; | ||
| 110 | Data& boundaryMarkers_; | ||
| 111 | Data& faceMarkers_; | ||
| 112 | mutable std::map< typename IdSet::IdType, typename Data::value_type> data_; | ||
| 113 | }; | ||
| 114 | |||
| 115 | #if HAVE_DUNE_UGGRID | ||
| 116 | |||
| 117 | /*! | ||
| 118 | * \ingroup InputOutput | ||
| 119 | * \brief A data handle for commucating grid data for gmsh grids (specialization for UGGrid) | ||
| 120 | */ | ||
| 121 | template<class GridFactory, class Data, int dimgrid> | ||
| 122 | struct GmshGridDataHandle<Dune::UGGrid<dimgrid>, GridFactory, Data> | ||
| 123 | : public Dune::CommDataHandleIF<GmshGridDataHandle<Dune::UGGrid<dimgrid>, GridFactory, Data>, typename Data::value_type> | ||
| 124 | { | ||
| 125 | using Grid = Dune::UGGrid<dimgrid>; | ||
| 126 | using GridView = typename Grid::LevelGridView; | ||
| 127 | |||
| 128 | 4 | GmshGridDataHandle(const Grid& grid, const GridFactory& gridFactory, Data& elementMarkers, Data& boundaryMarkers) | |
| 129 | : gridView_(grid.levelGridView(0)) | ||
| 130 | , idSet_(grid.localIdSet()) | ||
| 131 | , elementMarkers_(elementMarkers) | ||
| 132 |
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12 | , boundaryMarkers_(boundaryMarkers) |
| 133 | { | ||
| 134 |
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15896 | for (const auto& element : elements(gridView_, Dune::Partitions::interior)) |
| 135 |
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7946 | std::swap(elementMarkers_[gridFactory.insertionIndex(element)], data_[idSet_.id(element)]); |
| 136 | |||
| 137 | // Depending on the Dune version, the boundary markers are present on | ||
| 138 | // all processes (<= 2.6) or on the root process only (>= 2.7). Try to | ||
| 139 | // handle this in a flexible way: determine if the minimum size over | ||
| 140 | // all processes of the boundary markers vector is zero. If yes, assume | ||
| 141 | // that the root process contains all markers and broadcast them. | ||
| 142 |
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4 | auto bmSizeMin = boundaryMarkers_.size(); |
| 143 |
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4 | Dune::MPIHelper::getCommunication().min(&bmSizeMin, 1); |
| 144 |
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4 | if (bmSizeMin == 0) |
| 145 | { | ||
| 146 |
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4 | auto bmSize = boundaryMarkers_.size(); |
| 147 |
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4 | Dune::MPIHelper::getCommunication().broadcast(&bmSize, 1, 0); |
| 148 |
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4 | boundaryMarkers_.resize(bmSize); |
| 149 |
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4 | Dune::MPIHelper::getCommunication().broadcast(&boundaryMarkers_.front(), bmSize, 0); |
| 150 | } | ||
| 151 | 4 | } | |
| 152 | |||
| 153 | 4 | ~GmshGridDataHandle() | |
| 154 | { | ||
| 155 | 4 | const auto& indexSet = gridView_.indexSet(); | |
| 156 | 4 | elementMarkers_.resize(indexSet.size(0)); | |
| 157 |
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16534 | for (const auto& element : elements(gridView_)) |
| 158 | 8265 | std::swap(elementMarkers_[indexSet.index(element)], data_[idSet_.id(element)]); | |
| 159 | 4 | } | |
| 160 | |||
| 161 | Dune::CommDataHandleIF<GmshGridDataHandle<Grid, GridFactory, Data>, typename Data::value_type>& interface() | ||
| 162 | { return *this; } | ||
| 163 | |||
| 164 | ✗ | bool contains (int dim, int codim) const | |
| 165 | ✗ | { return codim == 0 || codim == 1; } | |
| 166 | |||
| 167 | //! returns true if size per entity of given dim and codim is a constant | ||
| 168 | bool fixedSize(int dim, int codim) const | ||
| 169 | { return true; } | ||
| 170 | |||
| 171 | template<class EntityType> | ||
| 172 | ✗ | std::size_t size (const EntityType& e) const | |
| 173 | ✗ | { return 1; } | |
| 174 | |||
| 175 | template<class MessageBufferImp, class EntityType> | ||
| 176 | 15892 | void gather (MessageBufferImp& buff, const EntityType& e) const | |
| 177 | 15892 | { buff.write(data_[idSet_.id(e)]); } | |
| 178 | |||
| 179 | template<class MessageBufferImp, class EntityType> | ||
| 180 | ✗ | void scatter (MessageBufferImp& buff, const EntityType& e, std::size_t n) | |
| 181 | ✗ | { buff.read(data_[idSet_.id(e)]); } | |
| 182 | |||
| 183 | private: | ||
| 184 | using IdSet = typename Grid::LocalIdSet; | ||
| 185 | |||
| 186 | const GridView gridView_; | ||
| 187 | const IdSet &idSet_; | ||
| 188 | Data& elementMarkers_; | ||
| 189 | Data& boundaryMarkers_; | ||
| 190 | mutable std::map< typename IdSet::IdType, typename Data::value_type> data_; | ||
| 191 | }; | ||
| 192 | |||
| 193 | #endif // HAVE_DUNE_UGGRID | ||
| 194 | |||
| 195 | } // namespace Dumux | ||
| 196 | |||
| 197 | #endif | ||
| 198 |