try.cpp

Nestrov_update_policy.hpp
.....
arma::mat TempUpdate(arma::mat& iterate,
                          const double momentum,
                          arma::mat& velocity)
  {
      return iterate + momentum*velocity;
  }
  ......
  sgd.hpp
  inline typename std::enable_if<
  HasNestrovUpdate<UpdatePolicy, void&(UpdatePolicy::*)()>::value, void>::type=0>
  void updateIterate(arma::mat& iterate){}
  ....
  
  sgd_impl.hpp
  ....
  inline typename std::enable_if<
    HasNestrovUpdate<UpdatePolicy, void&(UpdatePolicy::*)()>::value, arma::mat>::type=0>
    void updateIterate(iterate)
    {
      iterate = UpdatePolicy::NestrovUpdate(iterate, momentum, velocity);
    }
   if (shuffle)
      function.Gradient(iterate, visitationOrder[currentFunc
      tion], gradient);
    else
      function.Gradient(iterate, currentFunction, gradient);
      Restoreitera
  .....