68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
#ifndef HORUS_FACTOR_H
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#define HORUS_FACTOR_H
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#include <vector>
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#include "Distribution.h"
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#include "VarNode.h"
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using namespace std;
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class Distribution;
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class Factor
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{
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public:
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Factor (void) { }
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Factor (const Factor&);
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Factor (VarId, unsigned);
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Factor (const VarNodes&);
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Factor (VarId, unsigned, const Params&);
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Factor (VarNodes&, Distribution*);
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Factor (const VarNodes&, const Params&);
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Factor (const VarIds&, const Ranges&, const Params&);
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~Factor (void);
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void setParameters (const Params&);
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void copyFromFactor (const Factor& f);
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void multiply (const Factor&);
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void insertVariable (VarId, unsigned);
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void insertVariables (const VarIds&, const Ranges&);
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void sumOutAllExcept (VarId);
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void sumOutAllExcept (const VarIds&);
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void sumOut (VarId);
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void sumOutFirstVariable (void);
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void sumOutLastVariable (void);
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void orderVariables (void);
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void reorderVariables (const VarIds&);
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void absorveEvidence (VarId, unsigned);
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void normalize (void);
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bool contains (const VarIds&) const;
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int indexOf (VarId) const;
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string getLabel (void) const;
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void print (void) const;
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const VarIds& getVarIds (void) const { return varids_; }
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const Ranges& getRanges (void) const { return ranges_; }
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const Params& getParameters (void) const { return dist_->params; }
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Distribution* getDistribution (void) const { return dist_; }
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unsigned nrVariables (void) const { return varids_.size(); }
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unsigned nrParameters() const { return dist_->params.size(); }
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void setDistribution (Distribution* dist)
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{
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dist_ = dist;
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}
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private:
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VarIds varids_;
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Ranges ranges_;
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Distribution* dist_;
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};
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#endif // HORUS_FACTOR_H
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