QBG is a class that represents the QBG heuristic. More...
#include <QBG.h>
Public Member Functions | |
| void | ComputeNoCache () |
| Compute the heuristic. More... | |
| double | ComputeRecursivelyNoCache (size_t time_step, Index jahI, Index johI, const JointBelief &JB, Index lastJAI) |
| Recursively compute the heuristic. More... | |
| QBG (const PlanningUnitDecPOMDPDiscrete *pu) | |
| (default) Constructor More... | |
| QBG (const boost::shared_ptr< const PlanningUnitDecPOMDPDiscrete > &pu) | |
| std::string | SoftPrintBrief () const |
| Returns a short description of the heuristic, can be used for constructing filenames. More... | |
| ~QBG () | |
| Destructor. More... | |
 Public Member Functions inherited from QFunctionJAOHTree | |
| void | Compute () |
| Compute the heuristic. More... | |
| double | GetQ (Index jaohI, Index jaI) const |
| Return the Qvalue for JointActionObservationHistory Index jaohI and JointAction index jaI. More... | |
| void | Load (const std::string &filename) |
| Load the Qvalues from disk from a file named filename. More... | |
| QFunctionJAOHTree (const PlanningUnitDecPOMDPDiscrete *pu) | |
| Default constructor, requires a planning unit. More... | |
| QFunctionJAOHTree (const boost::shared_ptr< const PlanningUnitDecPOMDPDiscrete > &pu) | |
| void | Save (const std::string &filename) const |
| Stores the Qvalues to disk in file named filename. More... | |
| void | SetPU (const PlanningUnitDecPOMDPDiscrete *pu) |
| void | SetPU (const boost::shared_ptr< const PlanningUnitDecPOMDPDiscrete > &pu) |
| virtual | ~QFunctionJAOHTree () |
| Destructor. More... | |
| Public Member Functions inherited from QFunctionJAOH | |
| virtual void | ComputeWithCachedQValues (bool computeIfNotCached=true) |
| Compute Qvalue function, while caching the Qvalues to disk. More... | |
| QFunctionJAOH (const PlanningUnitDecPOMDPDiscrete *pu) | |
| Default constructor, requires a planning unit. More... | |
| QFunctionJAOH (const boost::shared_ptr< const PlanningUnitDecPOMDPDiscrete > &pu) | |
| virtual | ~QFunctionJAOH () |
| Destructor. More... | |
| Public Member Functions inherited from QFunctionJAOHInterface | |
| QFunctionJAOHInterface () | |
| virtual | ~QFunctionJAOHInterface () |
| Destructor. More... | |
| Public Member Functions inherited from QFunctionForDecPOMDPInterface | |
| QFunctionForDecPOMDPInterface () | |
| (default) Constructor More... | |
| virtual | ~QFunctionForDecPOMDPInterface () |
| Destructor. More... | |
| Public Member Functions inherited from QFunctionInterface | |
| virtual void | Load () |
| Load the Qvalues from disk. More... | |
| virtual void | Save () const |
| Stores the Qvalues to disk. More... | |
| virtual | ~QFunctionInterface () |
| Public Member Functions inherited from QFunctionForDecPOMDP | |
| virtual std::string | GetCacheFilename () const |
| Gets the filename where the Qvalues should be stored. More... | |
| const PlanningUnitDecPOMDPDiscrete * | GetPU () const |
| QFunctionForDecPOMDP (const PlanningUnitDecPOMDPDiscrete *pu) | |
| (default) Constructor More... | |
| QFunctionForDecPOMDP (const boost::shared_ptr< const PlanningUnitDecPOMDPDiscrete > &pu) | |
Private Member Functions | |
| double | ComputeRecursively (size_t time_step, LIndex joahI, Index lastJAI) |
| Recursively compute the heuristic. More... | |
Additional Inherited Members | |
| Protected Member Functions inherited from QFunctionJAOH | |
| virtual void | ComputeWithCachedQValues (const std::string &filenameCache, bool computeIfNotCached=true) |
| See ComputeWithCachedQValues(), this version accepts a filename. More... | |
| Protected Attributes inherited from QFunctionJAOH | |
| QTable | _m_QValues |
| Table in which the Qvalues are stored. More... | |
Detailed Description
QBG is a class that represents the QBG heuristic.
It is associated with a PlanningUnitDecPOMDPDiscrete which it uses for things as horizon, action-/observation(history) indices, etc.
Constructor & Destructor Documentation
| QBG::QBG | ( | const PlanningUnitDecPOMDPDiscrete * | pu | ) |
(default) Constructor
| QBG::QBG | ( | const boost::shared_ptr< const PlanningUnitDecPOMDPDiscrete > & | pu | ) |
| QBG::~QBG | ( | ) |
Destructor.
Member Function Documentation
| void QBG::ComputeNoCache | ( | ) |
Compute the heuristic.
(after associated with an initialized PlanningUnitDecPOMDPDiscrete)
Recursively compute the heuristic.
This is called by Compute().
Implements QFunctionJAOHTree.
References Globals::CastLIndexToIndex(), DEBUG_QBG_COMPREC, BeliefInterface::Get(), TreeNode< Tcontained >::GetIndex(), BeliefInterface::GetIterator(), BeliefIteratorGeneric::GetProbability(), BeliefIteratorGeneric::GetStateIndex(), JointActionObservationHistoryTree::GetSuccessor(), BeliefIteratorGeneric::Next(), BeliefInterface::Print(), Globals::PROB_PRECISION, and BGIP_SolverBruteForceSearch< JP >::Solve().
| double QBG::ComputeRecursivelyNoCache | ( | size_t | time_step, |
| Index | jahI, | ||
| Index | johI, | ||
| const JointBelief & | JB, | ||
| Index | lastJAI | ||
| ) |
Recursively compute the heuristic.
This is called by Compute().
References Globals::CastLIndexToIndex(), DEBUG_QBG_COMPREC, PlanningUnitDecPOMDPDiscrete::GetDiscount(), PlanningUnitMADPDiscrete::GetJointActionHistoryTree(), PlanningUnitMADPDiscrete::GetJointObservation(), PlanningUnitMADPDiscrete::GetJointObservationHistoryTree(), PlanningUnitMADPDiscrete::GetNrJointActions(), PlanningUnitMADPDiscrete::GetNrJointObservations(), PlanningUnitMADPDiscrete::GetNrStates(), QFunctionForDecPOMDP::GetPU(), PlanningUnitDecPOMDPDiscrete::GetReward(), JointObservation::Print(), Belief::Print(), BGIP_SolverBruteForceSearch< JP >::Solve(), and JointBelief::Update().
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inlinevirtual |
Returns a short description of the heuristic, can be used for constructing filenames.
Implements QFunctionInterface.
