emRight" valign="bottom"><a class="el" href="group___logging_macros.html#gc5e26fe3436dd75332ed99f748918b7a">LOG4CXX_UNLIKELY</a>(expr)&nbsp;&nbsp;&nbsp;expr</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Provides optimization hint to the compiler to optimize for the expression being false.  <a href="group___logging_macros.html#gc5e26fe3436dd75332ed99f748918b7a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">#define&nbsp;</td><td class="memItemRight" 