rder="0"></a>
        <span class="identifier">last</span><span class="special">,</span>                           <a class="co" name="spirit.qi.tutorials.warming_up.c2" href="warming_up.html#spirit.qi.tutorials.warming_up.c3"><img src="../../../../../../../doc/src/images/callouts/2.png" alt="2" border="0"></a>
        <span class="identifier">double_</span> <span class="special">&gt;&gt;</span> <span class="special">*(</span><span class="char">','</span> <span class="special">&gt;&gt;</span> <span class="i