
<td><p>General format.  For a given precision <code class="docutils literal notranslate"><span class="pre">p</span> <span class="pre">&gt;=</span> <span class="pre">1</span></code>,
this rounds the number to <code class="docutils literal notranslate"><span class="pre">p</span></code> significant digits and
then formats the result in either fixed-point format
or in scientific notation, depending on its magnitude.</p>
<p>A precision of <code class="docutils literal notranslate"><span class="pre">0</span></co