        and <code class="computeroutput"><span class="identifier">dt</span></code> now contains
                  a new (possibly larger) step-size for the next step. If the error
                  was too big, <code class="computeroutput"><span class="identifier">rejected</span></code>
                  is returned and the results are neglected - <code class="computeroutput"><span class="identifier">x</span></code>
                  and <code class="computeroutput"><span class="identifier">t</span></code> 