>
    </p>

    <p>
      <b>LEG_O4</b> is a standard Gauss-Legendre order 4 rule.
      <ul>
        <li>
          <a href = "../../datasets/quadrature_rules_legendre/leg_o4_x.txt">
          leg_o4_x.txt</a>,
          the abscissas of the rule.
        </li>
        <li>
          <a href = "../../datasets/quadrature_rules_legendre/leg_o4_w.txt">
          leg_o4_w.txt</a>,
          the weights of the rule.
        </li>
        <li>
          <a href = "../../datasets/quadrature_rules_legendre/leg_o4_