<p>In <a href="https://github.com/mlpack/mlpack/pull/691#discussion_r68966571">src/mlpack/tests/lsh_test.cpp</a>:</p>
<pre style='color:#555'>&gt;    // Generate known deterministic clusters of points.
&gt;    const size_t N = 40;
&gt;    arma::mat rdata;
&gt;    GetPointset(N, rdata);
&gt;  
&gt; -  const int k = N/2;
&gt; +  const int k = N/4;
</pre>
<p>A couple more style comments, this should be <code>N / 4</code> ("horizontal whitespace"). :)</p>

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