e.scalar.CouldBeNumber.T">T</span></span>
      </span>
      </h4>
      
    </li><li name="org.saddle.scalar.CouldBeNumber#isDouble" visbl="pub" data-isabs="true" fullComment="no" group="Ungrouped">
      <a id="isDouble:Boolean"></a>
      <a id="isDouble:Boolean"></a>
      <h4 class="signature">
      <span class="modifier_kind">
        <span class="modifier">abstract </span>
        <span class="kind">def</span>
      </span>
      <span class="symbol">
        <span class="name">isDouble</span><spa