source: ThirdParty/vmg/src/comm/domain_decomposition_mpi.hpp@ 33a694

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Last change on this file since 33a694 was 7faa5c, checked in by Frederik Heber <heber@…>, 8 years ago

Merge commit 'de061d9d851257a04e924d4472df4523d33bb08b' as 'ThirdParty/vmg'

  • Property mode set to 100644
File size: 1.5 KB
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1/*
2 * vmg - a versatile multigrid solver
3 * Copyright (C) 2012 Institute for Numerical Simulation, University of Bonn
4 *
5 * vmg is free software: you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation, either version 3 of the License, or
8 * (at your option) any later version.
9 *
10 * vmg is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 */
18
19/**
20 * @file domain_decomposition_mpi.hpp
21 * @author Julian Iseringhausen <isering@ins.uni-bonn.de>
22 * @date Mon Jun 27 12:53:50 2011
23 *
24 * @brief Computes a domain decomposition which separates
25 * the finest grid equally for all processes.
26 *
27 */
28
29#ifndef DOMAIN_DECOMPOSITION_MPI_HPP_
30#define DOMAIN_DECOMPOSITION_MPI_HPP_
31
32#include "comm/domain_decomposition.hpp"
33
34namespace VMG
35{
36
37class Index;
38
39class DomainDecompositionMPI : public DomainDecomposition
40{
41public:
42 void Compute(Comm& comm, const Interface& interface, std::map<Index, std::vector<GlobalIndices> >& global);
43
44private:
45 bool IsActive(const Index& size_global, const Index& pos, Index& procs, const Index& max_procs);
46 void FineToCoarse(Comm& comm, int& begin, int& end, int levels);
47};
48
49}
50
51#endif /* DOMAIN_DECOMPOSITION_MPI_HPP_ */
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