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salome-med  6.5.0
MxN_Mapping.hxx
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00001 // Copyright (C) 2007-2012  CEA/DEN, EDF R&D
00002 //
00003 // This library is free software; you can redistribute it and/or
00004 // modify it under the terms of the GNU Lesser General Public
00005 // License as published by the Free Software Foundation; either
00006 // version 2.1 of the License.
00007 //
00008 // This library is distributed in the hope that it will be useful,
00009 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00010 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011 // Lesser General Public License for more details.
00012 //
00013 // You should have received a copy of the GNU Lesser General Public
00014 // License along with this library; if not, write to the Free Software
00015 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
00016 //
00017 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
00018 //
00019 
00020 #ifndef __MXN_MAPPING_HXX__
00021 #define __MXN_MAPPING_HXX__
00022 
00023 #include "MEDCouplingFieldDouble.hxx"
00024 #include "MPIAccessDEC.hxx"
00025 #include "DECOptions.hxx"
00026 
00027 #include <vector>
00028 
00029 namespace ParaMEDMEM
00030 {
00031 
00032   class ProcessorGroup;
00033 
00034   class MxN_Mapping : public DECOptions
00035   {
00036   public:
00037     MxN_Mapping();
00038     MxN_Mapping(const ProcessorGroup& source_group, const ProcessorGroup& target_group, const DECOptions& dec_options);
00039     virtual ~MxN_Mapping();
00040     void addElementFromSource(int distant_proc, int distant_elem);
00041     void prepareSendRecv();
00042     void sendRecv(MEDCouplingFieldDouble& field);
00043     void sendRecv(double* sendfield, MEDCouplingFieldDouble& field) const ;
00044     void reverseSendRecv(double* recvfield, MEDCouplingFieldDouble& field) const ;
00045  
00046     //
00047     const std::vector<std::pair<int,int> >& getSendingIds() const { return _sending_ids; }
00048     const std::vector<int>& getSendProcsOffsets() const { return _send_proc_offsets; }
00049     void initialize();
00050 
00051     MPIAccessDEC* getAccessDEC(){ return _access_DEC; }
00052   private :
00053     ProcessorGroup* _union_group;
00054     MPIAccessDEC * _access_DEC;
00055     int _nb_comps;
00056     std::vector<std::pair<int,int> > _sending_ids;
00057     std::vector<int> _recv_ids;
00058     std::vector<int> _send_proc_offsets;
00059     std::vector<int> _recv_proc_offsets;
00060   };
00061 
00062   std::ostream & operator<< (std::ostream &,const AllToAllMethod &);
00063 
00064 }
00065 
00066 #endif