sgstep.hpp

// This file is part of the SGSolve library for stochastic games
// Copyright (C) 2019 Benjamin A. Brooks
// 
// SGSolve 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.
// 
// SGSolve 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, see
// <http://www.gnu.org/licenses/>.
// 
// Benjamin A. Brooks
// ben@benjaminbrooks.net
// Chicago, IL
 
#ifndef _SGSTEP_HPP
#define _SGSTEP_HPP
 
#include "sgaction_maxminmax.hpp"
#include "sghyperplane.hpp"
#include <boost/archive/text_iarchive.hpp>
#include <boost/archive/text_oarchive.hpp>
#include <boost/serialization/utility.hpp>
 
 
class SGStep
{
private:
  SGTuple pivot; 
  SGHyperplane hyperplane; 
  vector<int> actionTuple; 
  vector<SG::Regime> regimeTuple; 
public:
  SGStep ()
  {} // default constructor
 
  SGStep(const vector< list<SGAction_MaxMinMax>::const_iterator > & _actionTuple,
     const vector<SG::Regime> & _regimeTuple,
     const SGTuple & _pivot,
     const SGHyperplane & _hyperplane,
     const vector< list<SGAction_MaxMinMax> > & actions):
    actionTuple (_actionTuple.size(),0),
    regimeTuple{_regimeTuple},
    pivot{_pivot},
    hyperplane{_hyperplane}
  {
    for (int state = 0; state < _actionTuple.size(); state++)
      {
    // Find the element of the actions array that corresponds to
    // the optimal action
    auto action = actions[state].cbegin();
    while (action->getAction() != _actionTuple[state]->getAction()
           && action != actions[state].cend() )
      {
        actionTuple[state]++;
        ++action;
      }
      }
  } // Constructor
 
  // Get method for the pivot
  const SGTuple & getPivot() const {return pivot;}
  // Get method for the action tuple
  const vector<int> & getActionTuple() const {return actionTuple;}
  // Get method for the regimeTuple
  const vector<SG::Regime> & getRegimeTuple() const {return regimeTuple;}
  // Get method for the hyperplane
  const SGHyperplane & getHyperplane() const {return hyperplane;}
 
  friend class boost::serialization::access;
  
  template<class Archive>
  void serialize(Archive &ar, const unsigned int version)
  {
    ar & pivot;
    ar & hyperplane;
    ar & actionTuple;
    ar & regimeTuple;
  }
 
}; // SGStep
 
#endif