DenseLinAlgPack_DMatrixOutFunc.cpp

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#include <ostream>
#include <iomanip>

#include "DenseLinAlgPack_DMatrixOutFunc.hpp"
#include "DenseLinAlgPack_DVectorOutFunc.hpp"
#include "DenseLinAlgPack_DMatrixClass.hpp"
#include "Teuchos_FancyOStream.hpp"

std::ostream& DenseLinAlgPack::output(std::ostream& out_arg, const DMatrixSlice& gms
  , LinAlgPackIO::fmtflags extra_flags )
{
  Teuchos::RCP<Teuchos::FancyOStream> out = Teuchos::getFancyOStream(Teuchos::rcp(&out_arg,false));
  Teuchos::OSTab tab(out);
  int w = out->width(0) - 1; // get the set width (minus 1 since a space is inserted)

  if( !(extra_flags & LinAlgPackIO::ignore_dim_bit) ) {
    std::ios_base::fmtflags old = out->flags();
    *out
      << std::setw(0) << std::left << gms.rows() << ' ' << gms.cols()
      << std::endl;
    out->flags(old);
  }

  if( gms.rows() && gms.cols() ) {
    for(size_type i = 1; i <= gms.rows();++i) {
      const DVectorSlice& vs =gms.row(i); 
      DVectorSlice::const_iterator itr = vs.begin();
      for( size_type j = 1; itr != vs.end(); ++j, ++itr ) {
        *out << " " << std::setw(w) << (*itr) << ":" << i << ":" << j;
      }
      *out << std::endl;
    }
  }
  
  return out_arg;
}