62 lines
1.2 KiB
C++
62 lines
1.2 KiB
C++
#ifndef HORUS_WEIGHTEDBP_H
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#define HORUS_WEIGHTEDBP_H
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#include "BeliefProp.h"
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class WeightedLink : public BpLink
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{
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public:
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WeightedLink (FacNode* fn, VarNode* vn, size_t idx, unsigned weight)
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: BpLink (fn, vn), index_(idx), weight_(weight),
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pwdMsg_(vn->range(), LogAware::one()) { }
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size_t index (void) const { return index_; }
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unsigned weight (void) const { return weight_; }
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const Params& powMessage (void) const { return pwdMsg_; }
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void updateMessage (void)
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{
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pwdMsg_ = *nextMsg_;
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swap (currMsg_, nextMsg_);
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LogAware::pow (pwdMsg_, weight_);
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}
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private:
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size_t index_;
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unsigned weight_;
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Params pwdMsg_;
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};
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class WeightedBp : public BeliefProp
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{
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public:
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WeightedBp (const FactorGraph& fg,
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const vector<vector<unsigned>>& weights)
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: BeliefProp (fg), weights_(weights) { }
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~WeightedBp (void);
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Params getPosterioriOf (VarId);
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private:
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void createLinks (void);
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void maxResidualSchedule (void);
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void calcFactorToVarMsg (BpLink*);
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Params getVarToFactorMsg (const BpLink*) const;
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void printLinkInformation (void) const;
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vector<vector<unsigned>> weights_;
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};
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#endif // HORUS_WEIGHTEDBP_H
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