cosine_distance.hpp

Go to the documentation of this file.

 
#ifndef MLPACK_CORE_KERNELS_COSINE_DISTANCE_HPP
#define MLPACK_CORE_KERNELS_COSINE_DISTANCE_HPP
 
#include <mlpack/prereqs.hpp>
#include <mlpack/core/kernels/kernel_traits.hpp>
 
namespace mlpack {
namespace kernel {
 
class CosineDistance
{
 public:
  template<typename VecTypeA, typename VecTypeB>
  static double Evaluate(const VecTypeA& a, const VecTypeB& b);
 
  template<typename Archive>
  void serialize(Archive& /* ar */, const unsigned int /* version */) { }
};
 
template<>
class KernelTraits<CosineDistance>
{
 public:
  static const bool IsNormalized = true;
 
  static const bool UsesSquaredDistance = false;
};
 
} // namespace kernel
} // namespace mlpack
 
// Include implementation.
#include "cosine_distance_impl.hpp"
 
#endif