contingencyTable_tpl.h

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/****************************************************************************
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 *   Copyright (c) 2005-2025 by                                             *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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 *   SPDX-FileCopyrightText: Copyright 2005-2025                            *
 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
 *       - Christophe GONZALES(_at_AMU)                                     *
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#pragma once
 

// =========================================================================
#include <agrum/FMDP/learning/core/contingencyTable.h>
 
// =========================================================================
 
 
namespace gum {
 
  // ##########################################################################
  // Constructor & destructor.
  // ##########################################################################
 
  // ==========================================================================
  // Default constructor
  // ==========================================================================
  template < typename GUM_SCALAR_A, typename GUM_SCALAR_B >
  ContingencyTable< GUM_SCALAR_A, GUM_SCALAR_B >::ContingencyTable() {
    GUM_CONSTRUCTOR(ContingencyTable);
  }
 
  // ==========================================================================
  // Default destructor
  // ==========================================================================
  template < typename GUM_SCALAR_A, typename GUM_SCALAR_B >
  ContingencyTable< GUM_SCALAR_A, GUM_SCALAR_B >::~ContingencyTable() {
    GUM_DESTRUCTOR(ContingencyTable);
  }
 
  // ##########################################################################
  //
  // ##########################################################################
 
  // ==========================================================================
  //
  // ==========================================================================
  template < typename GUM_SCALAR_A, typename GUM_SCALAR_B >
  void ContingencyTable< GUM_SCALAR_A, GUM_SCALAR_B >::add(GUM_SCALAR_A valueA,
                                                           GUM_SCALAR_B valueB) {
    // Updating
    if (_attrAMarginalTable_.exists(valueA)) _attrAMarginalTable_[valueA]++;
    else _attrAMarginalTable_.insert(valueA, 1);
 
    if (_attrBMarginalTable_.exists(valueB)) _attrBMarginalTable_[valueB]++;
    else _attrBMarginalTable_.insert(valueB, 1);
 
    std::pair< GUM_SCALAR_A, GUM_SCALAR_B > cell(valueA, valueB);
    if (_jointTable_.exists(cell)) _jointTable_[cell]++;
    else _jointTable_.insert(cell, 1);
  }
 
  template < typename GUM_SCALAR_A, typename GUM_SCALAR_B >
  ContingencyTable< GUM_SCALAR_A, GUM_SCALAR_B >&
      ContingencyTable< GUM_SCALAR_A, GUM_SCALAR_B >::operator+=(
          const ContingencyTable< GUM_SCALAR_A, GUM_SCALAR_B >& src) {
    // Ajout dans marginal A et table joint des valeurs pour src
    for (auto aTer = src.attrABeginSafe(); aTer != src.attrAEndSafe(); ++aTer) {
      if (_attrAMarginalTable_.exists(aTer.key())) _attrAMarginalTable_[aTer.key()] += aTer.val();
      else _attrAMarginalTable_.insert(aTer.key(), aTer.val());
 
      for (auto bTer = src.attrBBeginSafe(); bTer != src.attrBEndSafe(); ++bTer) {
        std::pair< GUM_SCALAR_A, GUM_SCALAR_B > cell(aTer.key(), bTer.key());
        if (_jointTable_.exists(cell)) _jointTable_[cell] += src.joint(aTer.key(), bTer.key());
        else _jointTable_.insert(cell, src.joint(aTer.key(), bTer.key()));
      }
    }
 
    // Ajout dans marginal B des valeurs de src
    for (auto bTer = src.attrBBeginSafe(); bTer != src.attrBEndSafe(); ++bTer) {
      if (_attrBMarginalTable_.exists(bTer.key())) _attrBMarginalTable_[bTer.key()] += bTer.val();
      else _attrBMarginalTable_.insert(bTer.key(), bTer.val());
    }
    return *this;
  }
 
}   // End of namespace gum