distribution</a> <span class="special">&amp;</span> ld<span class="special">)</span><span class="special">;</span></pre>
<p>Reads the distribution from a <code class="computeroutput">std::istream</code>. </p>
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<pre class="literallayout"><span class="keyword">friend</span> <span class="keyword">bool</span> <a name="id-1_3_35_5_6_25_1_1_1_9_3-bb"></a><span class="keyword">operator</span><span class="special">==</span><span class="special">(</span><span class="keyword">const</span> <