Newp_Hello.cpp

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//@HEADER
// ***********************************************************************
// 
//                     New_Package Example Package
//                 Copyright (2004) 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
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//@HEADER
 
#include "Newp_Hello.h"
#include "Epetra_Comm.h"
 
//=============================================================================
Newp_Hello::Newp_Hello(const Epetra_Comm& Comm):Comm_(Comm.Clone()) {} 
 
//=============================================================================
Newp_Hello::Newp_Hello(const Newp_Hello& Source):Comm_(Source.Comm_->Clone()) {} 
 
//=============================================================================
Newp_Hello::~Newp_Hello() { if(Comm_) delete Comm_; } 
 
//=======================================================================
void Newp_Hello::Print(ostream& os) const {
  int MyPID = Comm_->MyPID();
  int NumProc = Comm_->NumProc();
  
  for (int iproc=0; iproc < NumProc; iproc++) {
    if (MyPID==iproc) {
 
      if (MyPID==0) {
  os <<  "This will print out one line for each of the " << NumProc << " processes " << endl ; 
  os << endl;
      }
      os << "Hello.  I am process " << MyPID << endl ; 
      os << flush; 
    }
 
    // Do a few global ops to give I/O a chance to complete
    Comm_->Barrier();
    Comm_->Barrier();
    Comm_->Barrier();
  }
  return;
}