AbstractLinAlgPack_COOMatrixTmplOutFuncDef.hpp

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#ifndef COO_MATRIX_TMPL_OUT_FUNC_DEF_H
#define COO_MATRIX_TMPL_OUT_FUNC_DEF_H

#include <ostream>
#include <iomanip>

#include "AbstractLinAlgPack_COOMatrixTmplOutFuncDecl.hpp"

namespace AbstractLinAlgPack {

template <class T_COOM>
std::ostream& output_COOM(std::ostream& os, const T_COOM& coom
  , SparseLinAlgPackIO::fmtflags extra_flags)
{
  int w = os.width(0) - 1; // get the set width (minus 1 since a space is inserted)

  if(    !(extra_flags & SparseLinAlgPackIO::ignore_dim_bit)
    || !(extra_flags & SparseLinAlgPackIO::ignore_nz_bit) )
  {

    os << std::setw(0) << std::left;

    if( !(extra_flags & SparseLinAlgPackIO::ignore_dim_bit) )
      os << coom.rows() << ' ' << coom.cols() << ' ';

    if( !(extra_flags & SparseLinAlgPackIO::ignore_nz_bit) )
      os << coom.nz();

    os << std::endl << std::right;
  }
  
  if(!coom.nz()) return os; // no elements to output
  
  typename T_COOM::difference_type
    row_offset  = coom.row_offset(),
    col_offset  = coom.col_offset();
  for(typename T_COOM::const_iterator itr = coom.begin(); itr != coom.end();++itr) {
    os  << " " << std::setw(w) << itr->value()
      << ':' << itr->row_i() + row_offset
      << ':' << itr->col_j() + col_offset;
  }

  if( !(extra_flags & SparseLinAlgPackIO::no_insert_newlines_bit) )
    os << std::endl;

  return os;
}

} // end namespace AbstractLinAlgPack 

#endif  // COO_MATRIX_TMPL_OUT_FUNC_DEF_H