ackward"><a href="#val-avg_pool2d_backward" class="anchor"></a><code><span><span class="keyword">val</span> avg_pool2d_backward : 
  <span><a href="../../../../../Owl_types_common/index.html#type-padding">Owl_types_common.padding</a> <span class="arrow">&#45;&gt;</span></span>
  <span><a href="#type-arr">arr</a> <span class="arrow">&#45;&gt;</span></span>
  <span><span>int array</span> <span class="arrow">&#45;&gt;</span></span>
  <span><span>int array</span> <span class="arrow">&#45;&gt;</span></span>
  <s