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<h2><span class="refentrytitle">Function operator!=</span></h2>
<p>boost::logic::operator!= &#8212; Compare tribools for inequality. </p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis">
<span class="type"><a href="boost/logic/tribool.html" title="Class tribool">tribool</a></span> <span class="bold"><strong>operator</strong></span>!=(<a href="boost/logic/tribool.html" title="Class tribool">tribool</a> x, <a href="boost/logic/tribool.html" title="Class tribool">tribool</a> y);
<span class="type"><a href="boost/logic/tribool.html" title="Class tribool">tribool</a></span> <span class="bold"><strong>operator</strong></span>!=(<a href="boost/logic/tribool.html" title="Class tribool">tribool</a> x, <span class="bold"><strong>bool</strong></span> y);
<span class="type"><a href="boost/logic/tribool.html" title="Class tribool">tribool</a></span> <span class="bold"><strong>operator</strong></span>!=(<span class="bold"><strong>bool</strong></span> x, <a href="boost/logic/tribool.html" title="Class tribool">tribool</a> y);
<span class="type"><a href="boost/logic/tribool.html" title="Class tribool">tribool</a></span> <span class="bold"><strong>operator</strong></span>!=(indeterminate_keyword_t , <a href="boost/logic/tribool.html" title="Class tribool">tribool</a> x);
<span class="type"><a href="boost/logic/tribool.html" title="Class tribool">tribool</a></span> <span class="bold"><strong>operator</strong></span>!=(<a href="boost/logic/tribool.html" title="Class tribool">tribool</a> x, indeterminate_keyword_t );</pre></div>
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<a name="id2792155"></a><h2>Description</h2>
<p></p>
<p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Returns</span></b>:

    the result of comparing two tribool values for inequality, according to the following table: <div class="informaltable"><table class="table">
<colgroup>
<col>
<col>
<col>
<col>
</colgroup>
<tbody>
<tr>
<td align="center" valign="middle"><span class="bold"><strong><code class="computeroutput">!=</code></strong></span></td>
<td align="center" valign="middle"><span class="bold"><strong>false</strong></span></td>
<td align="center" valign="middle"><span class="bold"><strong>true</strong></span></td>
<td align="center" valign="middle"><span class="bold"><strong>indeterminate</strong></span></td>
</tr>
<tr>
<td align="center" valign="middle"><span class="bold"><strong>false</strong></span></td>
<td align="center" valign="middle">false</td>
<td align="center" valign="middle">true</td>
<td align="center" valign="middle">indeterminate</td>
</tr>
<tr>
<td align="center" valign="middle"><span class="bold"><strong>true</strong></span></td>
<td align="center" valign="middle">true</td>
<td align="center" valign="middle">false</td>
<td align="center" valign="middle">indeterminate</td>
</tr>
<tr>
<td align="center" valign="middle"><span class="bold"><strong>indeterminate</strong></span></td>
<td align="center" valign="middle">indeterminate</td>
<td align="center" valign="middle">indeterminate</td>
<td align="center" valign="middle">indeterminate</td>
</tr>
</tbody>
</table></div><br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Throws</span></b>:

    Will not throw.</p>
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