hen
      there is a small initial one time cost, while the abscissa/weight pairs are
      constructed from strings.
    </p>
<p>
      However, for types with higher precision, or numbers of points other than those
      given above, the abscissa/weight pairs are computed when first needed and then
      cached for future use, which does incur a noticeable overhead. If this is likely
      to be an issue, then
    </p>
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<li