ss="special">&lt;</span> <span class="identifier">state_type</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="identifier">states</span> <span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">vector</span><span class="special">&lt;</span> <span class="keyword">double</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="identifier">times</span> <span class="special">)</s