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3.2.0
a C++ library for (probabilistic) graphical models
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loopySamplingInference_tpl.h
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* This file is part of the aGrUM/pyAgrum library. *
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* Copyright (c) 2005-2026 by *
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* - Pierre-Henri WUILLEMIN(_at_LIP6) *
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* - Christophe GONZALES(_at_AMU) *
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* SPDX-FileCopyrightText: Copyright 2005-2026 *
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* - Pierre-Henri WUILLEMIN(_at_LIP6) *
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* - Christophe GONZALES(_at_AMU) *
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****************************************************************************/
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#pragma once
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#include <
agrum/BN/inference/loopySamplingInference.h
>
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#define DEFAULT_VIRTUAL_LBP_SIZE 5000
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namespace
gum
{
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template
< GUM_Numeric GUM_SCALAR,
template
<
typename
>
class
APPROX
>
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LoopySamplingInference< GUM_SCALAR, APPROX >::LoopySamplingInference
(
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const
IBayesNet< GUM_SCALAR >
* BN) :
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APPROX
< GUM_SCALAR >(BN),
virtualLBPSize_
(
DEFAULT_VIRTUAL_LBP_SIZE
) {
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GUM_CONSTRUCTOR(
LoopySamplingInference
);
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}
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template
< GUM_Numeric GUM_SCALAR,
template
<
typename
>
class
APPROX
>
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LoopySamplingInference< GUM_SCALAR, APPROX >::~LoopySamplingInference
() {
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GUM_DESTRUCTOR(
LoopySamplingInference
);
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}
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template
< GUM_Numeric GUM_SCALAR,
template
<
typename
>
class
APPROX
>
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void
LoopySamplingInference< GUM_SCALAR, APPROX >::makeInference_
() {
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LoopyBeliefPropagation< GUM_SCALAR >
lbp(&this->BN());
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for
(
const
auto
& x: this->hardEvidence()) {
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lbp.
addEvidence
(x.first, x.second);
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}
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lbp.
makeInference
();
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if
(!this->isSetEstimator) { this->setEstimatorFromLBP_(&lbp,
virtualLBPSize_
); }
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this->loopApproxInference_();
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}
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template
< GUM_Numeric GUM_SCALAR,
template
<
typename
>
class
APPROX
>
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void
LoopySamplingInference< GUM_SCALAR, APPROX >::setVirtualLBPSize
(GUM_SCALAR vlbpsize) {
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if
(vlbpsize > 0)
virtualLBPSize_
= vlbpsize;
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}
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}
// namespace gum
APPROX
gum::GraphicalModelInference::makeInference
virtual void makeInference() final
perform the heavy computations needed to compute the targets' posteriors
Definition
graphicalModelInference_tpl.h:632
gum::GraphicalModelInference::addEvidence
virtual void addEvidence(NodeId id, const Idx val) final
adds a new hard evidence on node id
Definition
graphicalModelInference_tpl.h:230
gum::IBayesNet
Class representing the minimal interface for Bayesian network with no numerical data.
Definition
IBayesNet.h:75
gum::LoopyBeliefPropagation
<agrum/BN/inference/loopyBeliefPropagation.h>
Definition
loopyBeliefPropagation.h:61
gum::LoopySamplingInference::~LoopySamplingInference
~LoopySamplingInference() override
destructor
Definition
loopySamplingInference_tpl.h:69
gum::LoopySamplingInference::makeInference_
void makeInference_() override
makes the inference by generating samples w.r.t the mother class' sampling method after initalizing e...
Definition
loopySamplingInference_tpl.h:74
gum::LoopySamplingInference::setVirtualLBPSize
void setVirtualLBPSize(GUM_SCALAR vlbpsize)
Definition
loopySamplingInference_tpl.h:87
gum::LoopySamplingInference::LoopySamplingInference
LoopySamplingInference(const IBayesNet< GUM_SCALAR > *bn)
Default constructor.
Definition
loopySamplingInference_tpl.h:62
gum::LoopySamplingInference::virtualLBPSize_
GUM_SCALAR virtualLBPSize_
Definition
loopySamplingInference.h:95
loopySamplingInference.h
This file implements a Hybrid sampling class using LoopyBeliefPropagation and an approximate Inferenc...
DEFAULT_VIRTUAL_LBP_SIZE
#define DEFAULT_VIRTUAL_LBP_SIZE
Definition
loopySamplingInference_tpl.h:56
gum
gum is the global namespace for all aGrUM entities
Definition
agrum.h:46
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3.2.0
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