1 // Copyright (C) 2007-2021 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #ifndef __MEDPARTITIONER_GRAPH_HXX__
21 #define __MEDPARTITIONER_GRAPH_HXX__
23 #include "MEDPARTITIONER.hxx"
31 class MEDCouplingSkyLineArray;
34 using namespace MEDCoupling;
36 namespace MEDPARTITIONER
38 class ParaDomainSelector;
39 class MEDPARTITIONER_EXPORT Graph
42 typedef enum {METIS,SCOTCH,PTSCOTCH} splitter_type;
45 //creates a graph from a SKYLINEARRAY- WARNING!! Graph takes ownership of the array.
46 Graph(MEDCouplingSkyLineArray* graph, int* edgeweight=0);
49 void setEdgesWeights(int *edgeweight) { _edge_weight=edgeweight; }
50 void setVerticesWeights(int *cellweight) { _cell_weight=cellweight; }
52 //computes partitioning of the graph
53 virtual void partGraph(int ndomain, const std::string& options_string="", ParaDomainSelector *sel=0) = 0;
55 //returns the partitioning
56 const mcIdType *getPart() const;
58 //returns the number of graph vertices (which can correspond to the cells in the mesh!)
59 mcIdType nbVertices() const;
61 // returns nb of domains in _partition
62 int nbDomains() const;
64 const MEDCouplingSkyLineArray *getGraph() const { return (const MEDCouplingSkyLineArray*)_graph; }
65 const MEDCouplingSkyLineArray *getPartition() const { return (const MEDCouplingSkyLineArray*)_partition; }
68 MCAuto<MEDCouplingSkyLineArray> _graph;
69 MCAuto<MEDCouplingSkyLineArray> _partition;