n class="nv">supplied</span> <span class="nv">as</span> <span class="nv">zero</span> <span class="k">then</span> <span class="nv">C</span> <span class="nv">need</span> <span class="nv">not</span> <span class="nv">be</span> <span class="nv">set</span> <span class="nv">on</span> <span class="nv">input</span>.
</code></pre></div>

<p>C</p>
<div class="codehilite"><pre><span></span><code>       <span class="nv">C</span> <span class="nv">is</span> <span class="nv">DOUBLE</span> <span class="nv">PRECISION</span> 