4336-bb"><span class="identifier">prepare_dense_output</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">void</span> <a class="link" href="rosenbrock4.html#idp20534816-bb"><span class="identifier">calc_state</span></a><span class="special">(</span><span class="identifier">time_type</span><span class="special">,</span> <span class="identifier">state_type</span> <span class="special">&amp;</span><span class="special">,</span> <span cla