actionSet.h

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/***************************************************************************
 *   Copyright (C) 2005 by Christophe GONZALES and Pierre-Henri WUILLEMIN  *
 *   {prenom.nom}_at_lip6.fr                                               *
 *                                                                         *
 *   This program 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.                                   *
 *                                                                         *
 *   This program 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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
// =========================================================================
#ifndef GUM_ACTION_SET_H
#define GUM_ACTION_SET_H
// =========================================================================
#include <thread>
// =========================================================================
#include <agrum/core/argMaxSet.h>
#include <agrum/core/functors.h>
#include <agrum/core/inline.h>
#include <agrum/core/smallobjectallocator/smallObjectAllocator.h>
// =========================================================================
#include <agrum/multidim/implementations/multiDimFunctionGraph.h>
#include <agrum/multidim/utils/FunctionGraphUtilities/terminalNodePolicies/SetTerminalNodePolicy.h>
// =========================================================================
#include <agrum/FMDP/fmdp.h>
// =========================================================================

namespace gum {

  template < typename GUM_SCALAR >
  struct ArgumentMaximisesAction {
    // ###########################################################################
    // ###########################################################################

    const GUM_SCALAR& operator()(const GUM_SCALAR& x, const GUM_SCALAR& y) const {
      if (x > y) { return x; }
      if (x < y) { return y; }

      __temp = x;
      __temp += y;
      return __temp;
    }

    private:
    mutable GUM_SCALAR __temp;
  };


  class ActionSet {
    public:
    // ###########################################################################
    // ###########################################################################

    // ============================================================================
    // ============================================================================
    ActionSet() {
      GUM_CONSTRUCTOR(ActionSet);
      __actionSeq = new Sequence< Idx >();
    }

    ActionSet(const ActionSet& src) {
      GUM_CONSTRUCTOR(ActionSet);
      __actionSeq = new Sequence< Idx >();
      for (auto idi = src.beginSafe(); idi != src.endSafe(); ++idi)
        __actionSeq->insert(*idi);
    }

    ActionSet& operator=(const ActionSet& src) {
      __actionSeq = new Sequence< Idx >();
      for (auto idi = src.beginSafe(); idi != src.endSafe(); ++idi)
        __actionSeq->insert(*idi);
      return *this;
    }

    // ============================================================================
    // ============================================================================
    ~ActionSet() {
      GUM_DESTRUCTOR(ActionSet);
      delete __actionSeq;
    }

    // ============================================================================
    // ============================================================================
    void* operator new(size_t s) {
      return SmallObjectAllocator::instance().allocate(s);
    }
    void operator delete(void* p) {
      SmallObjectAllocator::instance().deallocate(p, sizeof(ActionSet));
    }


    // ###########################################################################
    // ###########################################################################

    // ============================================================================
    // ============================================================================
    SequenceIteratorSafe< Idx > beginSafe() const {
      return __actionSeq->beginSafe();
    }

    // ============================================================================
    // ============================================================================
    SequenceIteratorSafe< Idx > endSafe() const { return __actionSeq->endSafe(); }


    // ###########################################################################
    // ###########################################################################

    // ============================================================================
    // ============================================================================
    ActionSet& operator+=(const Idx& elem) {
      __actionSeq->insert(elem);
      return *this;
    }

    // ============================================================================
    // ============================================================================
    ActionSet& operator+=(const ActionSet& src) {
      for (auto iter = src.beginSafe(); iter != src.endSafe(); ++iter)
        if (!__actionSeq->exists(*iter)) __actionSeq->insert(*iter);
      return *this;
    }

    // ============================================================================
    // ============================================================================
    ActionSet& operator-=(const ActionSet& src) {
      for (auto iter = src.beginSafe(); iter != src.endSafe(); ++iter)
        if (__actionSeq->exists(*iter)) __actionSeq->erase(*iter);
      return *this;
    }

    // ============================================================================
    // ============================================================================
    const Idx& operator[](const Idx i) const { return __actionSeq->atPos(i); }

    // ============================================================================
    // ============================================================================
    bool operator==(const ActionSet& compared) const {
      for (auto iter = compared.beginSafe(); iter != compared.endSafe(); ++iter)
        if (!__actionSeq->exists(*iter)) return false;
      for (auto iter = this->beginSafe(); iter != this->endSafe(); ++iter)
        if (!compared.exists(*iter)) return false;
      return true;
    }
    bool operator!=(const ActionSet& compared) const {
      return !(*this == compared);
    }


    // ============================================================================
    // ============================================================================
    Size size() const { return __actionSeq->size(); }

    bool exists(const Idx& elem) const { return __actionSeq->exists(elem); }

    private:
    Sequence< Idx >* __actionSeq;

    friend std::ostream& operator<<(std::ostream& streamy, const ActionSet& objy) {
      streamy << objy.__actionSeq->toString();
      return streamy;
    }
  };
}   // namespace gum
#endif   // GUM_ACTION_SET_H