<p>Arbitrary metrics aren't <em>completely</em> possible with <code>HRectBound</code>; instead, what I did was restrict <code>HRectBound</code> to use <code>LMetric</code> by way of a <code>static_assert</code>.  Other bounds, like <code>BallBound</code>, can use arbitrary metrics.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">&mdash;<br>Reply to this email directly or <a href="https://github.com/mlpack/mlpack/issues/104#issuecomment-150570207">view it on GitHub</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AJ4bFLr7YxkjWuvhCLvPPdW4fSuPNYCsks5o-izqgaJpZM4DMzCZ.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/issues/104#issuecomment-150570207"></link>
  <meta itemprop="name" content="View Issue"></meta>
</div>
<meta itemprop="description" content="View this Issue on GitHub"></meta>
</div>