<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'>&gt; +//#define INF 999999.9999
&gt; +//#define EPS 1E-20
&gt; +#include &lt;mlpack/core.hpp&gt;
&gt; +#include &quot;feature_parameters.hpp&quot;
&gt; +namespace mlpack {
&gt; +namespace structured_tree {
&gt; +
&gt; +template &lt;typename MatType = arma::mat, typename CubeType = arma::cube&gt;
&gt; +class StructuredForests
&gt; +{
&gt; + private:
&gt; +  FeatureParameters params;
&gt; +
&gt; + public:
&gt; +
&gt; +  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>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">&mdash;<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/mlpack/mlpack/pull/703/files/0abec2cbb44a0556b129485b485bae8d07986af7#r68396925">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe/AJ4bFIGc6Th7vLyUNwgJAFCl4FhEZYM5ks5qO9qlgaJpZM4I5X__">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AJ4bFJS4qbtWmb8GBuWDkfjaUzyvgI-Gks5qO9qlgaJpZM4I5X__.gif" width="1" /></p>
<div itemscope itemtype="http://schema.org/EmailMessage">
<div itemprop="action" itemscope itemtype="http://schema.org/ViewAction">
  <link itemprop="url" href="https://github.com/mlpack/mlpack/pull/703/files/0abec2cbb44a0556b129485b485bae8d07986af7#r68396925"></link>
  <meta itemprop="name" content="View Pull Request"></meta>
</div>
<meta itemprop="description" content="View this Pull Request on GitHub"></meta>
</div>