#pragma once

#ifndef PERMUTED_RANGE_H

#define PERMUTED_RANGE_H

// boost includes

#include <boost range.hpp=""></boost>

#include <boost iterator="" permutation_iterator.hpp=""></boost>

/*!

  \file     permuted_range.h

  \brief    Contains a range creator for boost::permutation_iterator objects.

*/

namespace tcg {

template <typename elemrng,="" indxrng="" typename=""></typename>

struct _perm_rng_traits {

  typedef boost::permutation_iterator<

      typename boost::range_iterator<elemrng>::type,</elemrng>

      typename boost::range_iterator<indxrng>::type></indxrng>

      iterator;

  typedef std::pair<iterator, iterator=""> range;</iterator,>

};

//**********************************************************************************

//    Permuted Range  creator

//**********************************************************************************

template <typename elementsrng,="" indexesrng="" typename=""></typename>

typename _perm_rng_traits<elementsrng, const="" indexesrng="">::range permuted_range(</elementsrng,>

    ElementsRng &erng, const IndexesRng &irng) {

  typedef typename _perm_rng_traits<elementsrng, const="" indexesrng="">::range range;</elementsrng,>

  typedef typename _perm_rng_traits<elementsrng, const="" indexesrng="">::iterator</elementsrng,>

      iterator;

  return range(iterator(boost::begin(erng), boost::begin(irng)),

               iterator(boost::begin(erng), boost::end(irng)));

}

}  // namespace tcg

#endif  // PERMUTED_RANGE_H