Hi Devs,
I was working on refactoring SGD optimizer to incorporate UpdatePolicyType
as a template param.
template<typename DecomposableFunctionType,
typename UpdatePolicyType = EmptyUpdate>
class SGD
{
...
}
I came across Optimizer type being referenced in other places as "template
template parameters". DecomposableFunctionType in this case..
template<
template<typename> class OptimizerType = mlpack::optimization::SGD
>
class RegularizedSVD
{
}
So I have modified the code to the following to make room for UpdatePolicyType..
template<
template<typename, typename> class OptimizerType = mlpack::optimization::SGD
>
class RegularizedSVD
{
}
But it is used in many other places too.. For eg. LogisticRegression,
L_BFGS uses only one typename, but when the OptimizerType is set to
SGD this fails..
template<
template<typename> class OptimizerType = mlpack::optimization::L_BFGS
>
void Train(const MatType& predictors,
const arma::Row<size_t>& responses);
*Question*: Instead of adding additional template parameters everytime
we make some changes to the optimizer, can we make it more generic?
Thanks
Arun
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