pan>
    <span class="keyword">catch</span> <span class="special">(</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">numeric</span><span class="special">::</span><span class="identifier">positive_overflow</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="special">)</span>
    <span class="special">{</span>
    <span class="special">}</span>

    <span class="keyword">return</span> <span class="number">0</span><span cla