<p>There are two parts to the OpenMP support. First, cmake was instructed<br>
to compile with compiler-appropriate OpenMP flags. Second, three OpenMP<br>
pragmas were added to dt_utils.cpp to parallelize the cross-validation<br>
loop. No non-pragma code changes were necessary.</p>

<hr>

<h4>You can view, comment on, or merge this pull request online at:</h4>
<p>&nbsp;&nbsp;<a href='https://github.com/mlpack/mlpack/pull/438'>https://github.com/mlpack/mlpack/pull/438</a></p>

<h4>Commit Summary</h4>
<ul>
  <li>Add OpenMP support to density estimation tree code</li>
</ul>

<h4>File Changes</h4>
<ul>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/438/files#diff-0">CMakeLists.txt</a>
    (10)
  </li>
  <li>
    <strong>M</strong>
    <a href="https://github.com/mlpack/mlpack/pull/438/files#diff-1">src/mlpack/methods/det/dt_utils.cpp</a>
    (5)
  </li>
</ul>

<h4>Patch Links:</h4>
<ul>
  <li><a href='https://github.com/mlpack/mlpack/pull/438.patch'>https://github.com/mlpack/mlpack/pull/438.patch</a></li>
  <li><a href='https://github.com/mlpack/mlpack/pull/438.diff'>https://github.com/mlpack/mlpack/pull/438.diff</a></li>
</ul>

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