        with a range including only the first 3 components of <span class="emphasis"><em>x</em></span>:
      </p>
<p>
</p>
<pre class="programlisting"><span class="comment">// perform 10000 transient steps</span>
<span class="identifier">integrate_n_steps</span><span class="special">(</span> <span class="identifier">rk4</span> <span class="special">,</span> <span class="identifier">lorenz</span><span class="special">()</span> <span class="special">,</span> <span class="identifier">std</span><span class="sp