1 // Copyright (C) 2007-2024 CEA, EDF
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
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11 // Lesser General Public License for more details.
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20 #ifndef __EXPLICITTOPOLOGY_HXX__
21 #define __EXPLICITTOPOLOGY_HXX__
23 #include "ProcessorGroup.hxx"
24 #include "InterpKernelHashMap.hxx"
34 class ComponentTopology;
37 * \anchor ExplicitTopology-det
39 * An ExplicitTopology typically represents the split of a mesh among the processors of
40 * a common ProcessorGroup. Each processor gets a user-defined part of the cells in the mesh.
43 class ExplicitTopology : public Topology
47 ExplicitTopology( const ExplicitTopology& topo, int nbcomponents);
48 ExplicitTopology(const ParaMESH &mesh);
49 virtual ~ExplicitTopology();
51 inline mcIdType getNbElements()const;
52 inline mcIdType getNbLocalElements() const;
53 const ProcessorGroup* getProcGroup()const { return _proc_group; }
54 mcIdType localToGlobal (const std::pair<int,mcIdType> local) const { return localToGlobal(local.second); }
55 inline mcIdType localToGlobal(mcIdType) const;
56 inline mcIdType globalToLocal(mcIdType) const;
57 void serialize(mcIdType* & serializer, mcIdType& size) const ;
58 void unserialize(const mcIdType* serializer, const CommInterface& comm_interface);
59 int getNbComponents() const { return _nb_components; }
62 const ProcessorGroup* _proc_group;
67 //mapping local to global
69 //mapping global to local
70 INTERP_KERNEL::HashMap<mcIdType,mcIdType> _glob2loc;
73 //!converts a pair <subdomainid,local> to a global number
74 inline mcIdType ExplicitTopology::globalToLocal(const mcIdType global) const
76 return (_glob2loc.find(global))->second;
79 //!converts local number to a global number
80 mcIdType ExplicitTopology::localToGlobal(mcIdType local) const
82 return _loc2glob[local];
85 //!Retrieves the number of elements for a given topology
86 inline mcIdType ExplicitTopology::getNbElements() const
91 //Retrieves the local number of elements
92 inline mcIdType ExplicitTopology::getNbLocalElements()const
94 return ToIdType(_glob2loc.size());