d><body class="odoc"><nav class="odoc-nav"><a href="../index.html">Up</a> â€“ <a href="../../../../../../../index.html">owl-base</a> &#x00BB; <a href="../../../../../../index.html">Owl_computation_engine</a> &#x00BB; <a href="../../../../../index.html">Flatten</a> &#x00BB; <a href="../../../../index.html">Engine</a> &#x00BB; <a href="../../../index.html">Graph</a> &#x00BB; <a href="../../index.html">Optimiser</a> &#x00BB; <a href="../index.html">Operator</a> &#x00BB; Symbol</nav><header class="odoc-pre