tupleHashFunc.cpp

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// =========================================================================
#include <agrum/FMDP/learning/core/tupleHashFunc.h>
 
// =========================================================================
 
 
namespace gum {
 
  // Returns the value of a key as a Size.
  Size HashFunc< std::tuple< unsigned int, unsigned int, unsigned int > >::castToSize(
      const std::tuple< unsigned int, unsigned int, unsigned int >& key) {
    return HashFuncConst::pi * Size(std::get< 0 >(key)) * Size(2) * Size(std::get< 1 >(key))
         * Size(3) * Size(std::get< 2 >(key));
  }
 
  // the hash function for tuple (unsigned int, unsigned int, unsigned int)
  Size HashFunc< std::tuple< unsigned int, unsigned int, unsigned int > >::operator()(
      const std::tuple< unsigned int, unsigned int, unsigned int >& key) const {
    return (castToSize(key) * HashFuncConst::gold) & this->hash_mask_;
  }
 
}   // namespace gum