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Author: ev-br

helper-functions.html

@@ -398,11 +398,13 @@ <h2>Array Method Helpers<a class="headerlink" href="#array-method-helpers" title
 
 <dl class="py function">
 <dt class="sig sig-object py" id="array_api_compat.size">
-<span class="sig-prename descclassname"><span class="pre">array_api_compat.</span></span><span class="sig-name descname"><span class="pre">size</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span></em><span class="sig-paren">)</span><a class="headerlink" href="#array_api_compat.size" title="Link to this definition">¶</a></dt>
+<span class="sig-prename descclassname"><span class="pre">array_api_compat.</span></span><span class="sig-name descname"><span class="pre">size</span></span><span class="sig-paren">(</span><em class="sig-param"><span class="n"><span class="pre">x</span></span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="n"><span class="pre">Array</span></span></em><span class="sig-paren">)</span> <span class="sig-return"><span class="sig-return-icon">&#x2192;</span> <span class="sig-return-typehint"><span class="pre">int</span><span class="w"> </span><span class="p"><span class="pre">|</span></span><span class="w"> </span><span class="pre">None</span></span></span><a class="headerlink" href="#array_api_compat.size" title="Link to this definition">¶</a></dt>
 <dd><p>Return the total number of elements of x.</p>
-<p>This is equivalent to <code class="code docutils literal notranslate"><span class="pre">x.size</span></code> according to the <a class="reference external" href="https://data-apis.org/array-api/latest/API_specification/generated/array_api.array.size.html">standard</a>.
-This helper is included because PyTorch defines <code class="code docutils literal notranslate"><span class="pre">size</span></code> in an
-<a class="reference external" href="https://pytorch.org/docs/stable/generated/torch.Tensor.size.html#torch.Tensor.size" title="(in PyTorch v2.5)"><code class="xref py py-meth docutils literal notranslate"><span class="pre">incompatible</span> <span class="pre">way</span></code></a>.</p>
+<p>This is equivalent to <code class="code docutils literal notranslate"><span class="pre">x.size</span></code> according to the <a class="reference external" href="https://data-apis.org/array-api/latest/API_specification/generated/array_api.array.size.html">standard</a>.</p>
+<p>This helper is included because PyTorch defines <code class="code docutils literal notranslate"><span class="pre">size</span></code> in an
+<a class="reference external" href="https://pytorch.org/docs/stable/generated/torch.Tensor.size.html#torch.Tensor.size" title="(in PyTorch v2.5)"><code class="xref py py-meth docutils literal notranslate"><span class="pre">incompatible</span> <span class="pre">way</span></code></a>.
+It also fixes dask.array’s behaviour which returns nan for unknown sizes, whereas
+the standard requires None.</p>
 </dd></dl>
 
 </section>