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yap-6.3/packages/CLPBN/horus/Parfactor.h

125 lines
2.7 KiB
C++

#ifndef YAP_PACKAGES_CLPBN_HORUS_PARFACTOR_H_
#define YAP_PACKAGES_CLPBN_HORUS_PARFACTOR_H_
#include <vector>
#include <string>
#include "GenericFactor.h"
#include "ProbFormula.h"
#include "ConstraintTree.h"
#include "LiftedUtils.h"
#include "Horus.h"
namespace Horus {
class Parfactor : public GenericFactor<ProbFormula> {
public:
Parfactor (const ProbFormulas&, const Params&, const Tuples&,
unsigned distId);
Parfactor (const Parfactor*, const Tuple&);
Parfactor (const Parfactor*, ConstraintTree*);
Parfactor (const Parfactor&);
~Parfactor();
ConstraintTree* constr() { return constr_; }
const ConstraintTree* constr() const { return constr_; }
const LogVars& logVars() const { return constr_->logVars(); }
const LogVarSet& logVarSet() const { return constr_->logVarSet(); }
LogVarSet countedLogVars() const;
LogVarSet uncountedLogVars() const;
LogVarSet elimLogVars() 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 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 (std::vector<PrvGroup>) const;
unsigned nrFormulas (LogVar) const;
int indexOfLogVar (LogVar) const;
int indexOfGroup (PrvGroup) const;
unsigned nrFormulasWithGroup (PrvGroup) const;
std::vector<PrvGroup> getAllGroups() const;
void print (bool = false) const;
void printParameters() const;
void printProjections() const;
std::string getLabel() const;
void simplifyGrounds();
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 std::vector<unsigned>& sumIndexes);
static void alignAndExponentiate (Parfactor*, Parfactor*);
static void alignLogicalVars (Parfactor*, Parfactor*);
ConstraintTree* constr_;
DISALLOW_ASSIGN (Parfactor);
};
typedef std::vector<Parfactor*> Parfactors;
} // namespace Horus
#endif // YAP_PACKAGES_CLPBN_HORUS_PARFACTOR_H_