">const</span> <a class="link" href="exponential_distribution.html" title="Class template exponential_distribution">exponential_distribution</a> <span class="special">&amp;</span><span class="special">,</span> 
                         <span class="keyword">const</span> <a class="link" href="exponential_distribution.html" title="Class template exponential_distribution">exponential_distribution</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="spe