DenseLinAlgPack_DVectorOutFunc.cpp

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#include <ostream>
#include <iomanip>

#include "DenseLinAlgPack_DVectorOutFunc.hpp"
#include "DenseLinAlgPack_DVectorClass.hpp"

std::ostream& DenseLinAlgPack::output(std::ostream& os, const DVectorSlice& vs
  , LinAlgPackIO::fmtflags extra_flags)
{
  int w = os.width(0) - 1; // get the set width (minus 1 since a space is inserted)

  if( !(extra_flags & LinAlgPackIO::ignore_dim_bit) )
    os << std::setw(0) << std::left << vs.dim() << std::endl << std::right;

  DVectorSlice::const_iterator itr = vs.begin();
  for( size_type i = 1; itr != vs.end(); ++i, ++itr ) {
    os << " " << std::setw(w) << (*itr) << ":" << i; // insert a space to be sure there is white space
                                                     // inbetween adjacent elements.
  }

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

  return os;
}