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/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2008

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#ifndef LEMON_BITS_DEFAULT_MAP_H

#define LEMON_BITS_DEFAULT_MAP_H

#include <lemon/bits/array_map.h>

#include <lemon/bits/vector_map.h>

//#include <lemon/bits/debug_map.h>

//\ingroup graphbits

//\file

//\brief Graph maps that construct and destruct their elements dynamically.

namespace lemon {

  //#ifndef LEMON_USE_DEBUG_MAP

  template <typename _Graph, typename _Item, typename _Value>

  struct DefaultMapSelector {

    typedef ArrayMap<_Graph, _Item, _Value> Map;

  };

  // bool

  template <typename _Graph, typename _Item>

  struct DefaultMapSelector<_Graph, _Item, bool> {

    typedef VectorMap<_Graph, _Item, bool> Map;

  };

/* -*- mode: C++; indent-tabs-mode: nil; -*-

 *

 * This file is a part of LEMON, a generic C++ optimization library.

 *

 * Copyright (C) 2003-2008

 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport

 * (Egervary Research Group on Combinatorial Optimization, EGRES).

 *

 * Permission to use, modify and distribute this software is granted

 * provided that this copyright notice appears in all copies. For

 * precise terms see the accompanying LICENSE file.

 *

 * This software is provided "AS IS" with no warranty of any kind,

 * express or implied, and with no claim as to its suitability for any

 * purpose.

 *

 */

#ifndef LEMON_CORE_H

#define LEMON_CORE_H

#include <vector>

#include <algorithm>

#include <lemon/bits/enable_if.h>

#include <lemon/bits/traits.h>

#include <lemon/assert.h>

///\file

///\brief LEMON core utilities.

///

///This header file contains core utilities for LEMON.

///It is automatically included by all graph types, therefore it usually

///do not have to be included directly.

namespace lemon {

  /// \brief Dummy type to make it easier to create invalid iterators.

  ///

  /// Dummy type to make it easier to create invalid iterators.

  /// See \ref INVALID for the usage.

  struct Invalid {

  public:

    bool operator==(Invalid) { return true;  }

    bool operator!=(Invalid) { return false; }

    bool operator< (Invalid) { return false; }

  };