1 | /*
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2 | * vmg - a versatile multigrid solver
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3 | * Copyright (C) 2012 Institute for Numerical Simulation, University of Bonn
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4 | *
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5 | * vmg is free software: you can redistribute it and/or modify
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6 | * it under the terms of the GNU General Public License as published by
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7 | * the Free Software Foundation, either version 3 of the License, or
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8 | * (at your option) any later version.
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9 | *
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10 | * vmg is distributed in the hope that it will be useful,
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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13 | * GNU General Public License for more details.
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14 | *
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15 | * You should have received a copy of the GNU General Public License
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16 | * along with this program. If not, see <http://www.gnu.org/licenses/>.
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17 | */
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18 |
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19 | /**
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20 | * @file grid_iterator_suite.cpp
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21 | * @author Julian Iseringhausen <isering@ins.uni-bonn.de>
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22 | * @date Thu Apr 21 18:52:43 2011
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23 | *
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24 | * @brief Some useful grid iterators.
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25 | *
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26 | */
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27 |
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28 | #ifdef HAVE_CONFIG_H
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29 | #include <libvmg_config.h>
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30 | #endif
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31 |
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32 | #include "grid/grid_iterator_suite.hpp"
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33 | #include "grid/grid_properties.hpp"
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34 |
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35 | using namespace VMG;
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36 |
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37 | void GridIteratorSuite::SetSubgrids(const LocalIndices& local_)
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38 | {
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39 | local.SetBounds(local_.Begin(), local_.End());
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40 | complete_grid.SetBounds(0, local_.SizeTotal());
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41 | inner_local_grid.SetBounds(local_.Begin()+local_.HaloSize1(), local_.End()-local_.HaloSize2());
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42 |
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43 | halo_1.X().SetBounds(Index(local_.HaloBegin1().X(), 0, 0),
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44 | Index(local_.HaloEnd1().X(), local_.SizeTotal().Y(), local_.SizeTotal().Z()));
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45 |
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46 | halo_1.Y().SetBounds(Index(local_.Begin().X(), local_.HaloBegin1().Y(), 0),
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47 | Index(local_.End().X(), local_.HaloEnd1().Y(), local_.SizeTotal().Z()));
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48 |
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49 | halo_1.Z().SetBounds(Index(local_.Begin().X(), local_.Begin().Y(), local_.HaloBegin1().Z()),
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50 | Index(local_.End().X(), local_.End().Y(), local_.HaloEnd1().Z()));
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51 |
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52 | halo_2.X().SetBounds(Index(local_.HaloBegin2().X(), 0, 0),
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53 | Index(local_.HaloEnd2().X(), local_.SizeTotal().Y(), local_.SizeTotal().Z()));
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54 |
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55 | halo_2.Y().SetBounds(Index(local_.Begin().X(), local_.HaloBegin2().Y(), 0),
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56 | Index(local_.End().X(), local_.HaloEnd2().Y(), local_.SizeTotal().Z()));
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57 |
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58 | halo_2.Z().SetBounds(Index(local_.Begin().X(), local_.Begin().Y(), local_.HaloBegin2().Z()),
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59 | Index(local_.End().X(), local_.End().Y(), local_.HaloEnd2().Z()));
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60 |
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61 | boundary_1.X().SetBounds(Index(local_.BoundaryBegin1().X(), 0, 0),
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62 | Index(local_.BoundaryEnd1().X(), local_.SizeTotal().Y(), local_.SizeTotal().Z()));
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63 |
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64 | boundary_1.Y().SetBounds(Index(local_.Begin().X(), local_.BoundaryBegin1().Y(), 0),
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65 | Index(local_.End().X(), local_.BoundaryEnd1().Y(), local_.SizeTotal().Z()));
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66 |
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67 | boundary_1.Z().SetBounds(Index(local_.Begin().X(), local_.Begin().Y(), local_.BoundaryBegin1().Z()),
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68 | Index(local_.End().X(), local_.End().Y(), local_.BoundaryEnd1().Z()));
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69 |
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70 | boundary_2.X().SetBounds(Index(local_.BoundaryBegin2().X(), 0, 0),
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71 | Index(local_.BoundaryEnd2().X(), local_.SizeTotal().Y(), local_.SizeTotal().Z()));
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72 |
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73 |
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74 | boundary_2.Y().SetBounds(Index(local_.Begin().X(), local_.BoundaryBegin2().Y(), 0),
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75 | Index(local_.End().X(), local_.BoundaryEnd2().Y(), local_.SizeTotal().Z()));
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76 |
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77 | boundary_2.Z().SetBounds(Index(local_.Begin().X(), local_.Begin().Y(), local_.BoundaryBegin2().Z()),
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78 | Index(local_.End().X(), local_.End().Y(), local_.BoundaryEnd2().Z()));
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79 |
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80 | near_boundary_1.X().SetBounds(Index(local_.Begin().X(), 0, 0),
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81 | Index(local_.Begin().X()+local_.HaloSize1().X(),
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82 | local_.SizeTotal().Y(),
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83 | local_.SizeTotal().Z()));
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84 |
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85 | near_boundary_1.Y().SetBounds(Index(local_.Begin().X(), local_.Begin().Y(), 0),
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86 | Index(local_.End().X(),
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87 | local_.Begin().Y()+local_.HaloSize1().Y(),
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88 | local_.SizeTotal().Z()));
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89 |
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90 | near_boundary_1.Z().SetBounds(Index(local_.Begin().X(), local_.Begin().Y(), local_.Begin().Z()),
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91 | Index(local_.End().X(),
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92 | local_.End().Y(),
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93 | local_.Begin().Z()+local_.HaloSize1().Z()));
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94 |
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95 | near_boundary_2.X().SetBounds(Index(local_.End().X()-local_.HaloSize2().X(),
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96 | 0,
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97 | 0),
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98 | Index(local_.End().X(), local_.SizeTotal().Y(), local_.SizeTotal().Z()));
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99 |
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100 | near_boundary_2.Y().SetBounds(Index(local_.Begin().X(),
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101 | local_.End().Y()-local_.HaloSize2().Y(),
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102 | 0),
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103 | Index(local_.End().X(), local_.End().Y(), local_.SizeTotal().Z()));
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104 |
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105 | near_boundary_2.Z().SetBounds(Index(local_.Begin().X(),
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106 | local_.Begin().Y(),
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107 | local_.End().Z()-local_.HaloSize2().Z()),
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108 | local_.End());
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109 | }
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