max_space_dimension.hh

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/* Definition of functions yielding maximal space dimensions.
   Copyright (C) 2001-2010 Roberto Bagnara <bagnara@cs.unipr.it>
   Copyright (C) 2010-2016 BUGSENG srl (http://bugseng.com)

This file is part of the Parma Polyhedra Library (PPL).

The PPL 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 3 of the License, or (at your
option) any later version.

The PPL 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 this program; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307, USA.

For the most up-to-date information see the Parma Polyhedra Library
site: http://bugseng.com/products/ppl/ . */

#ifndef PPL_max_space_dimension_hh
#define PPL_max_space_dimension_hh 1

#include "Polyhedron_defs.hh"
#include "C_Polyhedron_defs.hh"
#include "NNC_Polyhedron_defs.hh"
#include "Grid_defs.hh"
#include "Rational_Box.hh"
#include "BD_Shape_defs.hh"
#include "Octagonal_Shape_defs.hh"
#include <algorithm>

namespace Parma_Polyhedra_Library {

inline dimension_type
max_space_dimension() {
  // Note: we assume that the powerset and the ask-and-tell construction
  // do not limit the space dimension more than their parameters.
  static bool computed = false;
  static dimension_type d = not_a_dimension();
  if (!computed) {
    d = Variable::max_space_dimension();
    d = std::min(d, C_Polyhedron::max_space_dimension());
    d = std::min(d, NNC_Polyhedron::max_space_dimension());
    d = std::min(d, Grid::max_space_dimension());
    // FIXME: what about all other boxes?
    d = std::min(d, Rational_Box::max_space_dimension());
    d = std::min(d, BD_Shape<int8_t>::max_space_dimension());
    d = std::min(d, BD_Shape<int16_t>::max_space_dimension());
    d = std::min(d, BD_Shape<int32_t>::max_space_dimension());
    d = std::min(d, BD_Shape<int64_t>::max_space_dimension());
    d = std::min(d, BD_Shape<float>::max_space_dimension());
    d = std::min(d, BD_Shape<double>::max_space_dimension());
    d = std::min(d, BD_Shape<long double>::max_space_dimension());
    d = std::min(d, BD_Shape<mpz_class>::max_space_dimension());
    d = std::min(d, BD_Shape<mpq_class>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<int8_t>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<int16_t>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<int32_t>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<int64_t>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<float>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<double>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<long double>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<mpz_class>::max_space_dimension());
    d = std::min(d, Octagonal_Shape<mpq_class>::max_space_dimension());
    computed = true;
  }
  return d;
}

} // namespace Parma_Polyhedra_Library

#endif // !defined(PPL_max_space_dimension_hh)