random_descent.hpp

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#ifndef MLPACK_CORE_OPTIMIZERS_SCD_DESCENT_POLICIES_RANDOM_HPP
#define MLPACK_CORE_OPTIMIZERS_SCD_DESCENT_POLICIES_RANDOM_HPP

#include <mlpack/core.hpp>

namespace mlpack {
namespace optimization {

class RandomDescent
{
 public:
  template <typename ResolvableFunctionType>
  static size_t DescentFeature(const size_t /* iteration */,
                        const arma::mat& /* iterate */,
                        const ResolvableFunctionType& function)
  {
    return mlpack::math::RandInt(function.NumFeatures());
  }
};

} // namespace optimization
} // namespace mlpack

#endif