anchor"></a><code><span class="keyword">val</span> sqrt_up : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-sqrt_down"><a href="#val-sqrt_down" class="anchor"></a><code><span class="keyword">val</span> sqrt_down : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> <a href="index.html#type-t">t</a></code></dt><dt class="spec value" id="val-pow_up"><a href="#val-pow_up" class="anchor"></a><code><span class="keyword">va