loopySamplingInference_tpl.h

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/***************************************************************************
 *   Copyright (C) 2005 by Pierre-Henri WUILLEMIN et Christophe GONZALES   *
 *   {prenom.nom}_at_lip6.fr                                               *
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#include <agrum/BN/inference/loopySamplingInference.h>

#define DEFAULT_VIRTUAL_LBP_SIZE 5000

namespace gum {


  template < typename GUM_SCALAR, template < typename > class APPROX >
  LoopySamplingInference< GUM_SCALAR, APPROX >::LoopySamplingInference(
     const IBayesNet< GUM_SCALAR >* BN) :
      APPROX< GUM_SCALAR >(BN),
      _virtualLBPSize(DEFAULT_VIRTUAL_LBP_SIZE) {
    GUM_CONSTRUCTOR(LoopySamplingInference);
  }


  template < typename GUM_SCALAR, template < typename > class APPROX >
  LoopySamplingInference< GUM_SCALAR, APPROX >::~LoopySamplingInference() {
    GUM_DESTRUCTOR(LoopySamplingInference);
  }


  template < typename GUM_SCALAR, template < typename > class APPROX >
  void LoopySamplingInference< GUM_SCALAR, APPROX >::_makeInference() {
    LoopyBeliefPropagation< GUM_SCALAR > lbp(&this->BN());
    for (const auto x : this->hardEvidence()) {
      lbp.addEvidence(x.first, x.second);
    }
    lbp.makeInference();

    if (!this->isSetEstimator) {
      this->_setEstimatorFromLBP(&lbp, _virtualLBPSize);
    }

    this->_loopApproxInference();
  }
}   // namespace gum