th_toolkit.examples.je_lambda">Jahnke-Emden-Lambda
      function</a>
    </h4>
<p>
      The following code uses <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">cstdfloat</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
      in combination with <code class="computeroutput"><span class="special">&lt;</span><span class="identifier">boost</sp