e maximum value. If <code>lens == 0</code> the
numeric values are not changed.</p></dd>


<dt id="arg-baseline">baseline<a class="anchor" aria-label="anchor" href="#arg-baseline"></a></dt>
<dd><p><code>numeric</code> value describing the baseline, for example
when the central value is non-zero. The baseline is subtracted
from <code>x</code>, the warp is applied, then the baseline is added to
the result.</p></dd>


<dt id="arg-xceiling">xCeiling<a class="anchor" aria-label="anchor" href="#arg-xceiling"></a><