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<a href="../index.html">ONNX Runtime Objective-C API Reference</a>
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ORTValue Class Reference
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<a href="../Classes/ORTCoreMLExecutionProviderOptions.html">ORTCoreMLExecutionProviderOptions</a>
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<a href="../Enums/ORTGraphOptimizationLevel.html">ORTGraphOptimizationLevel</a>
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<a href="../Enums/ORTTensorElementDataType.html">ORTTensorElementDataType</a>
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<a href="../Functions.html#/c:@F@ORTIsCoreMLExecutionProviderAvailable">ORTIsCoreMLExecutionProviderAvailable</a>
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<article class="main-content">
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<section>
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<section class="section">
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<h1>ORTValue</h1>
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<div class="declaration">
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<div class="language">
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<p class="aside-title">Objective-C</p>
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<pre class="highlight objective_c"><code><span class="k">@interface</span> <span class="nc">ORTValue</span> <span class="p">:</span> <span class="nc">NSObject</span></code></pre>
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</div>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="kd">class</span> <span class="kt">ORTValue</span> <span class="p">:</span> <span class="kt">NSObject</span></code></pre>
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</div>
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</div>
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<p>An ORT value encapsulates data used as an input or output to a model at runtime.</p>
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</section>
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<section class="section task-group-section">
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<div class="task-group">
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<ul>
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<li class="item">
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<div>
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<code>
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<a name="/c:objc(cs)ORTValue(im)init"></a>
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<a name="//apple_ref/objc/Method/-init" class="dashAnchor"></a>
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<a class="token discouraged" href="#/c:objc(cs)ORTValue(im)init">-init</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="aside aside-unavailable">
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<p class="aside-title">Unavailable</p>
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</div>
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<div class="abstract">
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Objective-C</p>
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<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="n">instancetype</span><span class="p">)</span><span class="n">init</span> <span class="n">NS_UNAVAILABLE</span><span class="p">;</span></code></pre>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/c:objc(cs)ORTValue(im)initWithTensorData:elementType:shape:error:"></a>
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<a name="//apple_ref/objc/Method/-initWithTensorData:elementType:shape:error:" class="dashAnchor"></a>
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<a class="token" href="#/c:objc(cs)ORTValue(im)initWithTensorData:elementType:shape:error:">-initWithTensorData:<wbr>elementType:<wbr>shape:<wbr>error:<wbr></a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Creates a value that is a tensor.
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The tensor data is allocated by the caller.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Objective-C</p>
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<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="n">nullable</span> <span class="n">instancetype</span><span class="p">)</span>
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<span class="nf">initWithTensorData</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">NSMutableData</span> <span class="o">*</span><span class="p">)</span><span class="nv">tensorData</span>
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<span class="nf">elementType</span><span class="p">:(</span><span class="n"><a href="../Enums/ORTTensorElementDataType.html">ORTTensorElementDataType</a></span><span class="p">)</span><span class="nv">elementType</span>
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<span class="nf">shape</span><span class="p">:(</span><span class="n">nonnull</span> <span class="n">NSArray</span><span class="o"><</span><span class="n">NSNumber</span> <span class="o">*></span> <span class="o">*</span><span class="p">)</span><span class="nv">shape</span>
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<span class="nf">error</span><span class="p">:(</span><span class="n">NSError</span> <span class="o">*</span><span class="n">_Nullable</span> <span class="o">*</span><span class="n">_Nullable</span><span class="p">)</span><span class="nv">error</span><span class="p">;</span></code></pre>
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</div>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="nf">init</span><span class="p">(</span><span class="nv">tensorData</span><span class="p">:</span> <span class="kt">NSMutableData</span><span class="p">,</span> <span class="nv">elementType</span><span class="p">:</span> <span class="kt"><a href="../Enums/ORTTensorElementDataType.html">ORTTensorElementDataType</a></span><span class="p">,</span> <span class="nv">shape</span><span class="p">:</span> <span class="p">[</span><span class="kt">NSNumber</span><span class="p">])</span> <span class="k">throws</span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>tensorData</em>
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</code>
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</td>
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<td>
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<div>
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<p>The tensor data.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>elementType</em>
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</code>
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</td>
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<td>
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<div>
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<p>The tensor element data type.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>shape</em>
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</code>
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</td>
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<td>
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<div>
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<p>The tensor shape.</p>
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</div>
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</td>
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</tr>
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<tr>
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<td>
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<code>
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<em>error</em>
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</code>
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</td>
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<td>
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<div>
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<p>Optional error information set if an error occurs.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div>
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<h4>Return Value</h4>
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<p>The instance, or nil if an error occurs.</p>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/c:objc(cs)ORTValue(im)typeInfoWithError:"></a>
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<a name="//apple_ref/objc/Method/-typeInfoWithError:" class="dashAnchor"></a>
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<a class="token" href="#/c:objc(cs)ORTValue(im)typeInfoWithError:">-typeInfoWithError:<wbr></a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Gets the type information.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Objective-C</p>
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<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="n">nullable</span> <span class="n"><a href="../Classes/ORTValueTypeInfo.html">ORTValueTypeInfo</a></span> <span class="o">*</span><span class="p">)</span><span class="nf">typeInfoWithError</span><span class="p">:</span>
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<span class="p">(</span><span class="n">NSError</span> <span class="o">*</span><span class="n">_Nullable</span> <span class="o">*</span><span class="n">_Nullable</span><span class="p">)</span><span class="nv">error</span><span class="p">;</span></code></pre>
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</div>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">typeInfo</span><span class="p">()</span> <span class="k">throws</span> <span class="o">-></span> <span class="kt"><a href="../Classes/ORTValueTypeInfo.html">ORTValueTypeInfo</a></span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>error</em>
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</code>
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</td>
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<td>
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<div>
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<p>Optional error information set if an error occurs.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div>
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<h4>Return Value</h4>
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<p>The type information, or nil if an error occurs.</p>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/c:objc(cs)ORTValue(im)tensorTypeAndShapeInfoWithError:"></a>
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<a name="//apple_ref/objc/Method/-tensorTypeAndShapeInfoWithError:" class="dashAnchor"></a>
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<a class="token" href="#/c:objc(cs)ORTValue(im)tensorTypeAndShapeInfoWithError:">-tensorTypeAndShapeInfoWithError:<wbr></a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Gets the tensor type and shape information.
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This assumes that the value is a tensor.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Objective-C</p>
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<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="n">nullable</span> <span class="n"><a href="../Classes/ORTTensorTypeAndShapeInfo.html">ORTTensorTypeAndShapeInfo</a></span> <span class="o">*</span><span class="p">)</span><span class="nf">tensorTypeAndShapeInfoWithError</span><span class="p">:</span>
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<span class="p">(</span><span class="n">NSError</span> <span class="o">*</span><span class="n">_Nullable</span> <span class="o">*</span><span class="n">_Nullable</span><span class="p">)</span><span class="nv">error</span><span class="p">;</span></code></pre>
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</div>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">tensorTypeAndShapeInfo</span><span class="p">()</span> <span class="k">throws</span> <span class="o">-></span> <span class="kt"><a href="../Classes/ORTTensorTypeAndShapeInfo.html">ORTTensorTypeAndShapeInfo</a></span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>error</em>
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</code>
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</td>
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<td>
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<div>
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<p>Optional error information set if an error occurs.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div>
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<h4>Return Value</h4>
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<p>The tensor type and shape information, or nil if an error occurs.</p>
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</div>
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</section>
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</div>
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</li>
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<li class="item">
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<div>
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<code>
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<a name="/c:objc(cs)ORTValue(im)tensorDataWithError:"></a>
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<a name="//apple_ref/objc/Method/-tensorDataWithError:" class="dashAnchor"></a>
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<a class="token" href="#/c:objc(cs)ORTValue(im)tensorDataWithError:">-tensorDataWithError:<wbr></a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Gets the tensor data.
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This assumes that the value is a tensor.</p>
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<p>This returns the value’s underlying data directly, not a copy of it.
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The memory’s lifetime may be tied to this value, i.e., if it was allocated
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by ORT. On the other hand, the memory’s lifetime is independent of the value
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if the value was created with user-provided data.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Objective-C</p>
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<pre class="highlight objective_c"><code><span class="k">-</span> <span class="p">(</span><span class="n">nullable</span> <span class="n">NSMutableData</span> <span class="o">*</span><span class="p">)</span><span class="nf">tensorDataWithError</span><span class="p">:</span>
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<span class="p">(</span><span class="n">NSError</span> <span class="o">*</span><span class="n">_Nullable</span> <span class="o">*</span><span class="n">_Nullable</span><span class="p">)</span><span class="nv">error</span><span class="p">;</span></code></pre>
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</div>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight swift"><code><span class="kd">func</span> <span class="nf">tensorData</span><span class="p">()</span> <span class="k">throws</span> <span class="o">-></span> <span class="kt">NSMutableData</span></code></pre>
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</div>
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</div>
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<div>
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<h4>Parameters</h4>
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<table class="graybox">
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<tbody>
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<tr>
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<td>
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<code>
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<em>error</em>
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</code>
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</td>
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<td>
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<div>
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<p>Optional error information set if an error occurs.</p>
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</div>
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</td>
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</tr>
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</tbody>
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</table>
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</div>
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<div>
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<h4>Return Value</h4>
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<p>The tensor data, or nil if an error occurs.</p>
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</div>
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</section>
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</div>
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</li>
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</ul>
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</div>
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</section>
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</section>
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<section id="footer">
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<p>© 2021 <a class="link" href="https://www.onnxruntime.ai" target="_blank" rel="external noopener">ONNX Runtime Authors</a>. All rights reserved. (Last updated: 2021-12-07)</p>
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<p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external noopener">jazzy ♪♫ v0.14.1</a>, a <a class="link" href="https://realm.io" target="_blank" rel="external noopener">Realm</a> project.</p>
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