AbstractLinAlgPack_GenPermMatrixSliceOut.cpp

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// Moocho: Multi-functional Object-Oriented arCHitecture for Optimization
//                  Copyright (2003) Sandia Corporation
// 
// Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
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// This library is free software; you can redistribute it and/or modify
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#include <ostream>

#include "AbstractLinAlgPack_GenPermMatrixSliceOut.hpp"
#include "AbstractLinAlgPack_GenPermMatrixSlice.hpp"

std::ostream& AbstractLinAlgPack::operator<<(
  std::ostream& out, const GenPermMatrixSlice& P
  )
{
  out << P.rows() << " " << P.cols() << " " << P.nz() << std::endl;
  if( P.is_identity() ) {
    out << "identity matrix\n";
  }
  else if( P.nz() ) {
    for( GenPermMatrixSlice::const_iterator itr = P.begin(); itr != P.end(); ++itr )
      out << " " << itr->row_i() << ":" << itr->col_j();
    out << std::endl;
  }
  return out;
}