.1000, -0.1000,  0.1000], grad_fn=&lt;MulBackward0&gt;)</span>
<span class="sd">        &gt;&gt;&gt; out.backward(torch.Tensor([1.0, 1.0, 1.0]))</span>
<span class="sd">        &gt;&gt;&gt; inp.grad</span>
<span class="sd">        tensor([0.1000, 0.0000, 0.0000])</span>
<span class="sd">        &gt;&gt;&gt; scale</span>
<span class="sd">        tensor(0.1000)</span>
<span class="sd">        &gt;&gt;&gt; zero_point</span>
<span class="sd">        tensor(0.)</span>
<span class="sd">        &gt;&gt;&gt; bit_wi