in_error">domain_error</a>.
        </p>
<div class="warning"><table border="0" summary="Warning">
<tr>
<td rowspan="2" align="center" valign="top" width="25"><img alt="[Warning]" src="../../../../../../../doc/src/images/warning.png"></td>
<th align="left">Warning</th>
</tr>
<tr><td align="left" valign="top">
<p>
            These constructors are slightly different from the analogs provided by
            <a href="http://mathworld.wolfram.com" target="_top">Wolfram MathWorld</a>
            <a href="http:/