e_tolerance</code> value can be specified.</p>
<section id="zero-crossing" class="level3 unnumbered">
<h3 class="unnumbered anchored" data-anchor-id="zero-crossing">Zero-crossing integrals</h3>
<p>Integrals on the (possibly infinite) interval <span class="math inline">\((a, b)\)</span> that cross zero are split into two integrals, one from <span class="math inline">\((a, 0)\)</span> and one from <span class="math inline">\((0, b)\)</span>. This is because the quadrature methods employed internally can have 