// Copyright (C) 2011 Laboratoire de Recherche et Developpement de
// l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
// Spot is free software; you can redistribute it and/or modify it
// under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// Spot is distributed in the hope that it will be useful, but WITHOUT
// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
// License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Spot; see the file COPYING.  If not, write to the Free
// Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
// 02111-1307, USA.

#ifndef SPOT_MISC_INTVCOMP_HH
# define SPOT_MISC_INTVCOMP_HH

#include <vector>

namespace spot
{
  /// \addtogroup misc_tools
  /// @{

  /// Compress an int array if size \a n into a vector of unsigned int.
  const std::vector<unsigned int>*
  int_array_vector_compress(const int* array, size_t n);

  /// \brief Uncompress a vector of unsigned int into an int array if
  ///        size \a size.
  ///
  /// \a size must be the exact expected size of uncompressed array.
  void
  int_vector_array_decompress(const std::vector<unsigned int>* array,
			      int* res, size_t size);

  /// \brief Compress an int array of size \a n into a int array.
  ///
  /// The destination array should be at least \a dest_size large An
  /// assert will be triggered if \a dest_size is too small.  On
  /// return, \a dest_size will be set to the actually number of int
  /// filled in \a dest
  void
  int_array_array_compress(const int* array, size_t n,
			   int* dest, size_t& dest_size);

  /// \brief Uncompress an int array of size \a array_size into a int
  ///        array of size \a size.
  ///
  /// \a size must be the exact expected size of uncompressed array.
  void
  int_array_array_decompress(const int* array, size_t array_size,
			     int* res, size_t size);

  /// @}
}

#endif // SPOT_MISC_INTVCOMP_HH