><li class="tsd-description"><div class="tsd-parameters"><h4 class="tsd-parameters-title">Parameters</h4><ul class="tsd-parameter-list"><li><span><span class="tsd-kind-parameter">d</span>: <span class="tsd-signature-type">number</span></span><div class="tsd-comment tsd-typography"><p>The distance to evaluate.</p>
</div><div class="tsd-comment tsd-typography"></div></li></ul></div><h4 class="tsd-returns-title">Returns <span class="tsd-signature-type">number</span></h4><p>0 if a0 + d<em>a1 + d^2</em>a2 &lt;= 