ass="comment">// Explicit float precision, integer arguments promoted to float.</span>
<span class="identifier">negative_binomial_distribution</span><span class="special">&lt;</span><span class="keyword">float</span><span class="special">&gt;</span>         <span class="identifier">mydist5</span><span class="special">(</span><span class="number">8</span><span class="special">,</span> <span class="number">1</span><span class="special">);</span>

<span class="comment">// Explicit double precision:</span>
<spa