EpetraExt_MultiMpiComm.h

Go to the documentation of this file.

//@HEADER
/*
************************************************************************

              EpetraExt: Extended Linear Algebra Services Package 
                Copyright (2001) Sandia Corporation

Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
license for use of this work by or on behalf of the U.S. Government.

This library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
 
This library is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.
 
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA
Questions? Contact Michael A. Heroux (maherou@sandia.gov) 

************************************************************************
*/
//@HEADER

#ifndef EPETRAEXT_MULTIMPICOMM_H
#define EPETRAEXT_MULTIMPICOMM_H

#include "EpetraExt_ConfigDefs.h"
#include "Epetra_MpiComm.h" 


namespace EpetraExt {

class MultiMpiComm: public Epetra_MpiComm {
 public:



  MultiMpiComm(MPI_Comm globalComm, int subDomainProcs, int numTimeSteps_=-1);
  

  MultiMpiComm(const Epetra_MpiComm& Comm, int numTimeSteps_);

  MultiMpiComm( const MultiMpiComm &MMC );

  virtual ~MultiMpiComm();
  
  Epetra_MpiComm& SubDomainComm() const {return *subComm;}

  int NumSubDomains() const {return numSubDomains;}

  int SubDomainRank() const {return subDomainRank;}

  int NumTimeStepsOnDomain() const {return numTimeStepsOnDomain;}
  int FirstTimeStepOnDomain() const {return firstTimeStepOnDomain;}

  int NumTimeSteps() const {return numTimeSteps;}

  //  be set later than the MultiLevel parallelism is set up.
  void ResetNumTimeSteps(int numTimeSteps);
  
 protected:

  Epetra_MpiComm* subComm; 
  int numSubDomains;
  int subDomainRank;
  int numTimeSteps;
  int numTimeStepsOnDomain;
  int firstTimeStepOnDomain;

};

} //namespace EpetraExt

#endif /* EPETRAEXT_MPIMULTICOMM_H */

---