aGrUM 2.3.2
a C++ library for (probabilistic) graphical models
sum_tpl.h
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40#pragma once
41
42
49
51
52namespace gum {
53
54 namespace aggregator {
55 template < typename GUM_SCALAR >
56 INLINE Sum< GUM_SCALAR >::Sum() : MultiDimAggregator< GUM_SCALAR >() {
57 this->decomposable_ = true;
58 GUM_CONSTRUCTOR(Sum);
59 }
60
61 template < typename GUM_SCALAR >
63 MultiDimAggregator< GUM_SCALAR >(from) {
64 GUM_CONS_CPY(Sum);
65 }
66
67 template < typename GUM_SCALAR >
69 GUM_DESTRUCTOR(Sum);
70 }
71
72 template < typename GUM_SCALAR >
74 return (Idx)0;
75 }
76
77 template < typename GUM_SCALAR >
79 Idx i1,
80 Idx i2,
81 bool& stop_iteration) const {
82 GUM_SCALAR max_val
83 = this->variable((Idx)0).numerical(this->variable((Idx)0).domainSize() - 1);
84 if ((i1 + i2) > max_val) {
85 stop_iteration = true;
86 return (Idx)max_val;
87 }
88 return i1 + i2;
89 }
90
91 template < typename GUM_SCALAR >
92 INLINE std::string Sum< GUM_SCALAR >::aggregatorName() const {
93 return "sum";
94 }
95
96 template < typename GUM_SCALAR >
100
101 } // namespace aggregator
102} // namespace gum
Base class for discrete random variable.
Abstract base class for all multi dimensionnal containers.
virtual Size domainSize() const override
Returns the product of the variables domain size.
const DiscreteVariable & variable(Idx i) const override
Returns a const ref to the ith var.
bool decomposable_
decomposable_ indicates if the aggregator can be decomposed
virtual Idx neutralElt_() const
neutralElt_() is the result value for the first application of fold_
Definition sum_tpl.h:73
virtual MultiDimContainer< GUM_SCALAR > * newFactory() const
This method creates a clone of this object, without its content (including variable),...
Definition sum_tpl.h:97
virtual std::string aggregatorName() const
Definition sum_tpl.h:92
virtual Idx fold_(const DiscreteVariable &v, Idx i1, Idx i2, bool &stop_iteration) const
fold_ is applied on value i1 for variable v. the actual result for precedent applications is i2.
Definition sum_tpl.h:78
Size Idx
Type for indexes.
Definition types.h:79
Aggregators are functional description of CPTs.
Definition agrum.h:55
gum is the global namespace for all aGrUM entities
Definition agrum.h:46
sum aggregator