BayesNetInference.h

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#ifndef GUM_BAYES_NET_INFERENCE_H
#define GUM_BAYES_NET_INFERENCE_H
 
 
#include <agrum/agrum.h>
 
#include <agrum/base/graphicalModels/inference/graphicalModelInference.h>
#include <agrum/BN/IBayesNet.h>
 
namespace gum {
 

  enum class FindBarrenNodesType {
    FIND_NO_BARREN_NODES,   // do not try to find barren nodes
    FIND_BARREN_NODES       // use a bottom-up algorithm to detect barren nodes
  };
 
 
  // JointTargetedInference, the class for computing joint posteriors, should
  // have access to the states of Inference and change them when needed: this
  // will be a friend of Inference
  template < GUM_Numeric GUM_SCALAR >
  class JointTargetedInference;
 
  // MarginalTargetedInference, the class for computing marginal posteriors,
  // should have access to the states of Inference and change them when needed:
  // this should be a friend of Inference
  template < GUM_Numeric GUM_SCALAR >
  class MarginalTargetedInference;
 
  // EvidenceInference, the class for computing the probability of evidence,
  // should have access to the states of Inference and change them when needed:
  // this will be a friend of Inference
  template < GUM_Numeric GUM_SCALAR >
  class EvidenceInference;

 
  template < GUM_Numeric GUM_SCALAR >
  class BayesNetInference: public GraphicalModelInference< GUM_SCALAR > {
    public:
 
 
    // ############################################################################
    // ############################################################################


    explicit BayesNetInference(const IBayesNet< GUM_SCALAR >* bn);


    BayesNetInference();

    ~BayesNetInference() override;

 
 
    // ############################################################################
    // ############################################################################


    virtual void setBN(const IBayesNet< GUM_SCALAR >* bn);


    virtual const IBayesNet< GUM_SCALAR >& BN() const final;
 
    private:
    void _setBayesNetDuringConstruction_(const IBayesNet< GUM_SCALAR >* bn);
 

    friend MarginalTargetedInference< GUM_SCALAR >;
    friend JointTargetedInference< GUM_SCALAR >;
    friend EvidenceInference< GUM_SCALAR >;
  };
 
 
}   // namespace gum
 
#include <agrum/BN/inference/tools/BayesNetInference_tpl.h>
 
 
#endif   // GUM_BAYES_NET_INFERENCE_H