AnasaziBasicOutputManager.hpp

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// ***********************************************************************
//
//                 Anasazi: Block Eigensolvers 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
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// This library is distributed in the hope that it will be useful, but
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// 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
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// Questions? Contact Michael A. Heroux (maherou@sandia.gov)
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#ifndef ANASAZI_BASIC_OUTPUT_MANAGER_HPP
#define ANASAZI_BASIC_OUTPUT_MANAGER_HPP

#include "AnasaziConfigDefs.hpp"
#include "AnasaziOutputManager.hpp"
#include "Teuchos_oblackholestream.hpp"

#ifdef HAVE_MPI
#include <mpi.h>
#endif

namespace Anasazi {

template <class ScalarType>
class BasicOutputManager : public OutputManager<ScalarType> {

  public:



  BasicOutputManager( int vb = Anasazi::Errors, Teuchos::RefCountPtr<ostream> os = Teuchos::rcp(&std::cout,false) );

  virtual ~BasicOutputManager() {};
  


  void setOStream( Teuchos::RefCountPtr<ostream> os );

  Teuchos::RefCountPtr<ostream> getOStream();





  bool isVerbosity( MsgType type );

  void print( MsgType type, const string output );

  ostream &stream( MsgType type );


  private:



  BasicOutputManager( const OutputManager<ScalarType>& OM );

  BasicOutputManager<ScalarType>& operator=( const OutputManager<ScalarType>& OM );


  Teuchos::RefCountPtr<ostream> myOS_;
  Teuchos::oblackholestream myBHS_;
  bool iPrint_;
};

template<class ScalarType>
BasicOutputManager<ScalarType>::BasicOutputManager(int vb, Teuchos::RefCountPtr<ostream> os)
    : OutputManager<ScalarType>(vb), myOS_(os) {
  int MyPID;
#ifdef HAVE_MPI
  // Initialize MPI
  int mpiStarted = 0;
  MPI_Initialized(&mpiStarted);
  if (mpiStarted) MPI_Comm_rank(MPI_COMM_WORLD, &MyPID);
  else MyPID=0;
#else 
  MyPID = 0;
#endif
  iPrint_ = (MyPID == 0);
} 

template<class ScalarType>
void BasicOutputManager<ScalarType>::setOStream( Teuchos::RefCountPtr<ostream> os ) { 
  myOS_ = os; 
}

template<class ScalarType>
Teuchos::RefCountPtr<ostream> BasicOutputManager<ScalarType>::getOStream() { 
  return myOS_; 
}

template<class ScalarType>
bool BasicOutputManager<ScalarType>::isVerbosity( MsgType type ) {
  if ( (type & this->vb_) == type ) {
    return true;
  }
  return false;
}

template<class ScalarType>
void BasicOutputManager<ScalarType>::print( MsgType type, const string output ) {
  if ( (type & this->vb_) == type && iPrint_ ) {
    *myOS_ << output;
  }
}

template<class ScalarType>
ostream & BasicOutputManager<ScalarType>::stream( MsgType type ) {
  if ( (type & this->vb_) == type && iPrint_ ) {
    return *myOS_;
  }
  return myBHS_;
}

} // end Anasazi namespace

#endif

// end of file AnasaziOutputManager.hpp

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