aGrUM
3.2.0
a C++ library for (probabilistic) graphical models
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barrenNodesFinder_tpl.h
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/****************************************************************************
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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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* The aGrUM/pyAgrum library is free software; you can redistribute it *
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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/algorithms/barrenNodesFinder.h
>
// to ease IDE parser
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namespace
gum
{
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template
< GUM_Numeric GUM_SCALAR >
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ArcProperty< Set< const Tensor< GUM_SCALAR >
* > >
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BarrenNodesFinder::barrenTensors
(
const
CliqueGraph
& junction_tree,
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const
IBayesNet< GUM_SCALAR >
& bn) {
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// get the barren nodes
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ArcProperty< NodeSet >
barren_nodes = this->
barrenNodes
(junction_tree);
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// transform the node sets into sets of tensors
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ArcProperty< Set< const Tensor< GUM_SCALAR >
* > > result;
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for
(
const
auto
& barren: barren_nodes) {
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Set< const Tensor< GUM_SCALAR >
* > tensors;
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for
(
const
auto
node: barren.second) {
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tensors.
insert
(&(bn.
cpt
(node)));
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}
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result.
insert
(
Arc
(barren.first), std::move(tensors));
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}
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return
result;
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}
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}
/* namespace gum */
barrenNodesFinder.h
Detect barren nodes for inference in Bayesian networks.
gum::Arc::Arc
Arc(NodeId tail, NodeId head)
basic constructor. Creates tail -> head.
gum::BarrenNodesFinder::barrenTensors
ArcProperty< Set< const Tensor< GUM_SCALAR > * > > barrenTensors(const CliqueGraph &junction_tree, const IBayesNet< GUM_SCALAR > &bn)
returns the set of barren tensors in messages sent in a junction tree
Definition
barrenNodesFinder_tpl.h:50
gum::BarrenNodesFinder::barrenNodes
NodeSet barrenNodes()
returns the set of barren nodes
Definition
barrenNodesFinder.cpp:359
gum::CliqueGraph
Basic graph of cliques.
Definition
cliqueGraph.h:77
gum::HashTable::insert
value_type & insert(const Key &key, const Val &val)
Adds a new element (actually a copy of this element) into the hash table.
Definition
hashTable_tpl.h:754
gum::IBayesNet
Class representing the minimal interface for Bayesian network with no numerical data.
Definition
IBayesNet.h:75
gum::IBayesNet::cpt
virtual const Tensor< GUM_SCALAR > & cpt(NodeId varId) const =0
Returns the CPT of a variable.
gum::Set
Representation of a set.
Definition
set.h:129
gum::Set::insert
void insert(const Key &k)
Inserts a new element into the set.
Definition
set_tpl.h:510
gum::ArcProperty
HashTable< Arc, VAL > ArcProperty
Property on graph elements.
Definition
graphElements.h:411
gum
gum is the global namespace for all aGrUM entities
Definition
agrum.h:46
aGrUM
3.2.0
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