concreteLeaf.h

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 *       - Pierre-Henri WUILLEMIN(_at_LIP6)                                 *
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// =========================================================================
#ifndef GUM_CONCRETE_LEAF_H
#define GUM_CONCRETE_LEAF_H
// =========================================================================
#include <agrum/agrum.h>
// =========================================================================
// =========================================================================
#include <agrum/FMDP/learning/datastructure/leaves/abstractLeaf.h>
#include <agrum/FMDP/learning/datastructure/nodeDatabase.h>
 
// =========================================================================
 
namespace gum {

 
 
  template < TESTNAME AttributeSelection, bool isScalar >
  class ConcreteLeaf final: public AbstractLeaf {
    using ValueType = typename ValueSelect< isScalar, double, Idx >::type;
 
    public:
    // ==========================================================================
    // ==========================================================================
 
    // ###################################################################
    // ###################################################################
    ConcreteLeaf(NodeId                                        leafId,
                 NodeDatabase< AttributeSelection, isScalar >* n1,
                 const Sequence< ValueType >*                  valueDomain) :
        AbstractLeaf(leafId), _n1_(n1), _valueDomain_(valueDomain) {
      GUM_CONSTRUCTOR(ConcreteLeaf);
    }
 
    // ###################################################################
    // ###################################################################
    ~ConcreteLeaf() {
      GUM_DESTRUCTOR(ConcreteLeaf);
      ;
    }
 
    // ============================================================================
    // ============================================================================
    void* operator new(size_t s) { return SmallObjectAllocator::instance().allocate(s); }
 
    void operator delete(void* p) {
      SmallObjectAllocator::instance().deallocate(p, sizeof(ConcreteLeaf));
    }

 
    // ###################################################################
    // ###################################################################
    virtual double effectif(Idx moda) const { return _effectif_(moda, Int2Type< isScalar >()); }
 
    private:
    double _effectif_(Idx moda, Int2Type< true >) const {
      return (double)_n1_->effectif(Idx(_valueDomain_->atPos(moda)));
    }
 
    double _effectif_(Idx moda, Int2Type< false >) const { return (double)_n1_->effectif(moda); }
 
    public:
    virtual double total() const { return double(_n1_->nbObservation()); }
 
    Idx nbModa() const { return _nbModa_(Int2Type< isScalar >()); }
 
    private:
    Idx _nbModa_(Int2Type< true >) const { return _valueDomain_->size(); }
 
    Idx _nbModa_(Int2Type< false >) const { return _n1_->valueDomain(); }
 
    public:
    std::string toString() {
      std::stringstream ss;
      ss << "{ Id : " << this->id() << "}";
      return ss.str();
    }
 
    private:
    NodeDatabase< AttributeSelection, isScalar >* _n1_;
    const Sequence< ValueType >*                  _valueDomain_;
  };
 
 
} /* namespace gum */
 
 
#endif   // GUM_CONCRETE_LEAF_H