ss="identifier">boost</span><span class="special">::</span><span class="identifier">numeric</span><span class="special">::</span><span class="identifier">odeint</span><span class="special">::</span><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">make_dense_output</span><span class="special">&lt;</span> <span class="identifier">stepper_type</span> <span class="special">&gt;::</span><span class="identifier">type</span> <span class="identifier">stepper4</span> <