<p>In <a href="https://github.com/mlpack/mlpack/pull/703#discussion_r68396925">src/mlpack/methods/edge_boxes/feature_extraction.hpp</a>:</p>
<pre style='color:#555'>> +//#define INF 999999.9999
> +//#define EPS 1E-20
> +#include <mlpack/core.hpp>
> +#include "feature_parameters.hpp"
> +namespace mlpack {
> +namespace structured_tree {
> +
> +template <typename MatType = arma::mat, typename CubeType = arma::cube>
> +class StructuredForests
> +{
> + private:
> + FeatureParameters params;
> +
> + public:
> +
> + static constexpr double eps = 1e-20;
</pre>
<p>same as before, if there are no special, could you set it as private data member?</p>
<p>The lesser you let the users access you data directly, the more flexible you can refine your codes in the future without changing the api</p>
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