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yap-6.3/packages/CLPBN/horus/Parfactor.h
2012-12-27 22:25:45 +00:00

122 lines
2.6 KiB
C++

#ifndef HORUS_PARFACTOR_H
#define HORUS_PARFACTOR_H
#include "Factor.h"
#include "ProbFormula.h"
#include "ConstraintTree.h"
#include "LiftedUtils.h"
#include "Horus.h"
class Parfactor : public TFactor<ProbFormula>
{
public:
Parfactor (
const ProbFormulas&,
const Params&,
const Tuples&,
unsigned distId);
Parfactor (const Parfactor*, const Tuple&);
Parfactor (const Parfactor*, ConstraintTree*);
Parfactor (const Parfactor&);
~Parfactor (void);
ConstraintTree* constr (void) { return constr_; }
const ConstraintTree* constr (void) const { return constr_; }
const LogVars& logVars (void) const { return constr_->logVars(); }
const LogVarSet& logVarSet (void) const { return constr_->logVarSet(); }
LogVarSet countedLogVars (void) const;
LogVarSet uncountedLogVars (void) const;
LogVarSet elimLogVars (void) const;
LogVarSet exclusiveLogVars (size_t fIdx) const;
void sumOutIndex (size_t fIdx);
void multiply (Parfactor&);
bool canCountConvert (LogVar X);
void countConvert (LogVar);
void expand (LogVar, LogVar, LogVar);
void fullExpand (LogVar);
void reorderAccordingGrounds (const Grounds&);
void absorveEvidence (const ProbFormula&, unsigned);
void setNewGroups (void);
void applySubstitution (const Substitution&);
size_t indexOfGround (const Ground&) const;
PrvGroup findGroup (const Ground&) const;
bool containsGround (const Ground&) const;
bool containsGrounds (const Grounds&) const;
bool containsGroup (PrvGroup) const;
bool containsGroups (vector<PrvGroup>) const;
unsigned nrFormulas (LogVar) const;
int indexOfLogVar (LogVar) const;
int indexOfGroup (PrvGroup) const;
unsigned nrFormulasWithGroup (PrvGroup) const;
vector<PrvGroup> getAllGroups (void) const;
void print (bool = false) const;
void printParameters (void) const;
void printProjections (void) const;
string getLabel (void) const;
void simplifyGrounds (void);
static bool canMultiply (Parfactor*, Parfactor*);
private:
void simplifyCountingFormulas (size_t fIdx);
void simplifyParfactor (size_t fIdx1, size_t fIdx2);
static std::pair<LogVars, LogVars> getAlignLogVars (
Parfactor* g1, Parfactor* g2);
void expandPotential (size_t fIdx, unsigned newRange,
const vector<unsigned>& sumIndexes);
static void alignAndExponentiate (Parfactor*, Parfactor*);
static void alignLogicalVars (Parfactor*, Parfactor*);
ConstraintTree* constr_;
DISALLOW_ASSIGN (Parfactor);
};
typedef vector<Parfactor*> Parfactors;
#endif // HORUS_PARFACTOR_H