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pull/1969/.buildinfo

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# Sphinx build info version 1
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# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
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pull/1969/_modules/dpnp/dpnp_array.html

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<title>dpnp.dpnp_array &mdash; Data Parallel Extension for NumPy 0.16.0dev0+116.g51f10b8338 documentation</title>
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<title>dpnp.dpnp_array &mdash; Data Parallel Extension for NumPy 0.16.0dev0+123.gd2cb65ba4c documentation</title>
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Data Parallel Extension for NumPy
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</a>
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<div class="version">
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@@ -856,10 +856,35 @@ <h1>Source code for dpnp.dpnp_array</h1><div class="highlight"><pre>
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<div class="viewcode-block" id="dpnp_array.copy">
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<a class="viewcode-back" href="../../reference/generated/dpnp.dpnp_array.dpnp_array.html#dpnp.dpnp_array.dpnp_array.copy">[docs]</a>
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<span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">order</span><span class="o">=</span><span class="s2">&quot;C&quot;</span><span class="p">):</span>
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<span class="k">def</span> <span class="nf">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">order</span><span class="o">=</span><span class="s2">&quot;C&quot;</span><span class="p">,</span> <span class="n">device</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">usm_type</span><span class="o">=</span><span class="kc">None</span><span class="p">,</span> <span class="n">sycl_queue</span><span class="o">=</span><span class="kc">None</span><span class="p">):</span>
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<span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
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<span class="sd"> Return a copy of the array.</span>
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<span class="sd"> Refer to :obj:`dpnp.copy` for full documentation.</span>
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<span class="sd"> Parameters</span>
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<span class="sd"> ----------</span>
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<span class="sd"> order : {&quot;C&quot;, &quot;F&quot;, &quot;A&quot;, &quot;K&quot;}, optional</span>
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<span class="sd"> Memory layout of the newly output array.</span>
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<span class="sd"> Default: ``&quot;C&quot;``.</span>
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<span class="sd"> device : {None, string, SyclDevice, SyclQueue}, optional</span>
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<span class="sd"> An array API concept of device where the output array is created.</span>
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<span class="sd"> The `device` can be ``None`` (the default), an OneAPI filter</span>
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<span class="sd"> selector string, an instance of :class:`dpctl.SyclDevice`</span>
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<span class="sd"> corresponding to a non-partitioned SYCL device, an instance of</span>
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<span class="sd"> :class:`dpctl.SyclQueue`, or a `Device` object returned by</span>
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<span class="sd"> :obj:`dpnp.dpnp_array.dpnp_array.device` property.</span>
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<span class="sd"> Default: ``None``.</span>
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<span class="sd"> usm_type : {None, &quot;device&quot;, &quot;shared&quot;, &quot;host&quot;}, optional</span>
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<span class="sd"> The type of SYCL USM allocation for the output array.</span>
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<span class="sd"> Default: ``None``.</span>
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<span class="sd"> sycl_queue : {None, SyclQueue}, optional</span>
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<span class="sd"> A SYCL queue to use for output array allocation and copying. The</span>
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<span class="sd"> `sycl_queue` can be passed as ``None`` (the default), which means</span>
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<span class="sd"> to get the SYCL queue from `device` keyword if present or to use</span>
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<span class="sd"> a default queue.</span>
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<span class="sd"> Default: ``None``.</span>
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<span class="sd"> Returns</span>
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<span class="sd"> -------</span>
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<span class="sd"> out : dpnp.ndarray</span>
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<span class="sd"> Notes</span>
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<span class="sd"> -----</span>
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<span class="sd"> This function is the preferred method for creating an array copy. The</span>
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<span class="sd"> function :func:`dpnp.copy` is similar, but it defaults to using order &#39;K&#39;.</span>
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<span class="sd"> This function is the preferred method for creating an array copy.</span>
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<span class="sd"> The function :func:`dpnp.copy` is similar, but it defaults to using</span>
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<span class="sd"> order ``&quot;K&quot;``.</span>
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<span class="sd"> Examples</span>
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<span class="sd"> --------</span>
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<span class="sd"> &quot;&quot;&quot;</span>
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<span class="k">return</span> <span class="n">dpnp</span><span class="o">.</span><span class="n">copy</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">order</span><span class="o">=</span><span class="n">order</span><span class="p">)</span></div>
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<span class="k">return</span> <span class="n">dpnp</span><span class="o">.</span><span class="n">copy</span><span class="p">(</span>
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<span class="bp">self</span><span class="p">,</span>
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<span class="n">order</span><span class="o">=</span><span class="n">order</span><span class="p">,</span>
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<span class="n">device</span><span class="o">=</span><span class="n">device</span><span class="p">,</span>
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<span class="n">usm_type</span><span class="o">=</span><span class="n">usm_type</span><span class="p">,</span>
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<span class="n">sycl_queue</span><span class="o">=</span><span class="n">sycl_queue</span><span class="p">,</span>
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<span class="p">)</span></div>
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<span class="c1"># &#39;ctypes&#39;,</span>
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<span class="nd">@property</span>
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<span class="k">def</span> <span class="nf">shape</span><span class="p">(</span><span class="bp">self</span><span class="p">):</span>
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<span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
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<span class="sd"> Lengths of axes. A tuple of numbers represents size of each dimension.</span>
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<span class="sd"> Tuple of array dimensions.</span>
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<span class="sd"> The shape property is usually used to get the current shape of an array,</span>
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<span class="sd"> but may also be used to reshape the array in-place by assigning a tuple</span>
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<span class="sd"> of array dimensions to it. Unlike :obj:`dpnp.reshape`, only non-negative</span>
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<span class="sd"> values are supported to be set as new shape. Reshaping an array in-place</span>
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<span class="sd"> will fail if a copy is required.</span>
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<span class="sd"> For full documentation refer to :obj:`numpy.ndarray.shape`.</span>
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<span class="sd"> Note</span>
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<span class="sd"> ----</span>
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<span class="sd"> Using :obj:`dpnp.ndarray.reshape` or :obj:`dpnp.reshape` is the</span>
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<span class="sd"> preferred approach to set new shape of an array.</span>
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<span class="sd"> Setter of this property involves reshaping without copy. If the array</span>
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<span class="sd"> cannot be reshaped without copy, it raises an exception.</span>
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<span class="sd"> See Also</span>
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<span class="sd"> --------</span>
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<span class="sd"> :obj:`dpnp.shape` : Equivalent getter function.</span>
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<span class="sd"> :obj:`dpnp.reshape` : Function similar to setting `shape`.</span>
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<span class="sd"> :obj:`dpnp.ndarray.reshape` : Method similar to setting `shape`.</span>
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<span class="sd"> .. seealso: :attr:`numpy.ndarray.shape`</span>
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<span class="sd"> Examples</span>
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<span class="sd"> --------</span>
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<span class="sd"> &gt;&gt;&gt; import dpnp as np</span>
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<span class="sd"> &gt;&gt;&gt; x = np.array([1, 2, 3, 4])</span>
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<span class="sd"> &gt;&gt;&gt; x.shape</span>
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<span class="sd"> (4,)</span>
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<span class="sd"> &gt;&gt;&gt; y = np.zeros((2, 3, 4))</span>
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<span class="sd"> &gt;&gt;&gt; y.shape</span>
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<span class="sd"> (2, 3, 4)</span>
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<span class="sd"> &gt;&gt;&gt; y.shape = (3, 8)</span>
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<span class="sd"> &gt;&gt;&gt; y</span>
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<span class="sd"> array([[ 0., 0., 0., 0., 0., 0., 0., 0.],</span>
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<span class="sd"> [ 0., 0., 0., 0., 0., 0., 0., 0.],</span>
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<span class="sd"> [ 0., 0., 0., 0., 0., 0., 0., 0.]])</span>
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<span class="sd"> &gt;&gt;&gt; y.shape = (3, 6)</span>
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<span class="sd"> ...</span>
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<span class="sd"> TypeError: Can not reshape array of size 24 into (3, 6)</span>
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<span class="sd"> &quot;&quot;&quot;</span>
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<span class="w"> </span><span class="sd">&quot;&quot;&quot;</span>
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<span class="sd"> Set new lengths of axes.</span>
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<span class="sd"> A tuple of numbers represents size of each dimension.</span>
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<span class="sd"> It involves reshaping without copy. If the array cannot be reshaped without copy,</span>
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<span class="sd"> it raises an exception.</span>
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<span class="sd"> Modifies array instance in-place by changing its metadata about the</span>
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<span class="sd"> shape and the strides of the array, or raises `AttributeError`</span>
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<span class="sd"> exception if in-place change is not possible.</span>
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<span class="sd"> .. seealso: :attr:`numpy.ndarray.shape`</span>
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<span class="sd"> Whether the array can be reshape in-place depends on its strides. Use</span>
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<span class="sd"> :obj:`dpnp.reshape` function which always succeeds to reshape the array</span>
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<span class="sd"> by performing a copy if necessary.</span>
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<span class="sd"> &quot;&quot;&quot;</span>
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<span class="sd"> For full documentation refer to :obj:`numpy.ndarray.shape`.</span>
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<span class="sd"> Parameters</span>
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<span class="sd"> ----------</span>
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<span class="sd"> newshape : {tuple, int}</span>
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<span class="sd"> New shape. Only non-negative values are supported. The new shape</span>
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<span class="sd"> may not lead to the change in the number of elements in the array.</span>
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<span class="k">if</span> <span class="ow">not</span> <span class="nb">isinstance</span><span class="p">(</span><span class="n">newshape</span><span class="p">,</span> <span class="p">(</span><span class="nb">list</span><span class="p">,</span> <span class="nb">tuple</span><span class="p">)):</span>
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<span class="n">newshape</span> <span class="o">=</span> <span class="p">(</span><span class="n">newshape</span><span class="p">,)</span>
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<span class="sd"> &quot;&quot;&quot;</span>
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<span class="bp">self</span><span class="o">.</span><span class="n">_array_obj</span><span class="o">.</span><span class="n">shape</span> <span class="o">=</span> <span class="n">newshape</span>
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