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<li class="navelem"><a class="el" href="namespacemshadow.html">mshadow</a></li><li class="navelem"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html">Random&lt; gpu, DType &gt;</a></li> </ul>
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<div class="title">mshadow::Random&lt; gpu, DType &gt; Class Template Reference</div> </div>
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<p>GPU random number generator.
<a href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="random_8h_source.html">random.h</a>&gt;</code></p>
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Collaboration diagram for mshadow::Random&lt; gpu, DType &gt;:</div>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a47236e16630bfafbf207d1ac57547b18"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#a47236e16630bfafbf207d1ac57547b18">Random</a> (int seed)</td></tr>
<tr class="memdesc:a47236e16630bfafbf207d1ac57547b18"><td class="mdescLeft">&#160;</td><td class="mdescRight">constructor of random engine <a href="#a47236e16630bfafbf207d1ac57547b18">More...</a><br /></td></tr>
<tr class="separator:a47236e16630bfafbf207d1ac57547b18"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a6600fb034b3c840dd568458b9cea397c"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#a6600fb034b3c840dd568458b9cea397c">~Random</a> (void) <a class="el" href="3rdparty_2mshadow_2mshadow_2base_8h.html#a53a342d1f8cc22d36ed49e4c51c19f0c">MSHADOW_THROW_EXCEPTION</a></td></tr>
<tr class="separator:a6600fb034b3c840dd568458b9cea397c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac813f60f1d2d7c7e5cd4a4cc15068667"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#ac813f60f1d2d7c7e5cd4a4cc15068667">set_stream</a> (<a class="el" href="structmshadow_1_1Stream.html">Stream</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a> &gt; *stream)</td></tr>
<tr class="memdesc:ac813f60f1d2d7c7e5cd4a4cc15068667"><td class="mdescLeft">&#160;</td><td class="mdescRight">set the stream of computation <a href="#ac813f60f1d2d7c7e5cd4a4cc15068667">More...</a><br /></td></tr>
<tr class="separator:ac813f60f1d2d7c7e5cd4a4cc15068667"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a997d28fe4cfa9a1f36b88160ce61ec9a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#a997d28fe4cfa9a1f36b88160ce61ec9a">Seed</a> (int seed)</td></tr>
<tr class="memdesc:a997d28fe4cfa9a1f36b88160ce61ec9a"><td class="mdescLeft">&#160;</td><td class="mdescRight">seed random number generator using this seed <a href="#a997d28fe4cfa9a1f36b88160ce61ec9a">More...</a><br /></td></tr>
<tr class="separator:a997d28fe4cfa9a1f36b88160ce61ec9a"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a8c3a2f7df5bc62093b4a55b9d42bb60e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#a8c3a2f7df5bc62093b4a55b9d42bb60e">GetRandInt</a> (const <a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, 1, unsigned &gt; &amp;dst)</td></tr>
<tr class="memdesc:a8c3a2f7df5bc62093b4a55b9d42bb60e"><td class="mdescLeft">&#160;</td><td class="mdescRight">get a set of random integers <a href="#a8c3a2f7df5bc62093b4a55b9d42bb60e">More...</a><br /></td></tr>
<tr class="separator:a8c3a2f7df5bc62093b4a55b9d42bb60e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae84681d4a83c444557e47abd69bd0f58"><td class="memTemplParams" colspan="2">template&lt;int dim&gt; </td></tr>
<tr class="memitem:ae84681d4a83c444557e47abd69bd0f58"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#ae84681d4a83c444557e47abd69bd0f58">SampleUniform</a> (<a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, dim, DType &gt; *dst, DType a=0.0f, DType b=1.0f)</td></tr>
<tr class="memdesc:ae84681d4a83c444557e47abd69bd0f58"><td class="mdescLeft">&#160;</td><td class="mdescRight">generate data from uniform [a,b) <a href="#ae84681d4a83c444557e47abd69bd0f58">More...</a><br /></td></tr>
<tr class="separator:ae84681d4a83c444557e47abd69bd0f58"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a7c19ed4e6627e929fca95a4e404d6f56"><td class="memTemplParams" colspan="2">template&lt;int dim&gt; </td></tr>
<tr class="memitem:a7c19ed4e6627e929fca95a4e404d6f56"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#a7c19ed4e6627e929fca95a4e404d6f56">SampleGaussian</a> (<a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, dim, DType &gt; *dst, DType mu=0.0f, DType sigma=1.0f)</td></tr>
<tr class="memdesc:a7c19ed4e6627e929fca95a4e404d6f56"><td class="mdescLeft">&#160;</td><td class="mdescRight">generate data from standard gaussian <a href="#a7c19ed4e6627e929fca95a4e404d6f56">More...</a><br /></td></tr>
<tr class="separator:a7c19ed4e6627e929fca95a4e404d6f56"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a01b9b81f9ef61fddf8a2fc40adfd32a9"><td class="memTemplParams" colspan="2">template&lt;int dim&gt; </td></tr>
<tr class="memitem:a01b9b81f9ef61fddf8a2fc40adfd32a9"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structmshadow_1_1expr_1_1ReshapeExp.html">expr::ReshapeExp</a>&lt; <a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, 1, DType &gt;, DType, dim, 1 &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#a01b9b81f9ef61fddf8a2fc40adfd32a9">gaussian</a> (<a class="el" href="structmshadow_1_1Shape.html">Shape</a>&lt; dim &gt; shape, DType mu=0.0f, DType sigma=1.0f)</td></tr>
<tr class="memdesc:a01b9b81f9ef61fddf8a2fc40adfd32a9"><td class="mdescLeft">&#160;</td><td class="mdescRight">return a temporal expression storing standard gaussian random variables the temporal tensor is only valid before next call of gaussian or uniform can be used as part of expression Caution: this means expression such as A = gaussian(s1) * gaussian(s2) will give invalid result, since second call of gaussian(s2) makes gaussian(s1) invalid A = gaussian(s1)*B+C; is correct; use one gaussian/uniform in each expression <a href="#a01b9b81f9ef61fddf8a2fc40adfd32a9">More...</a><br /></td></tr>
<tr class="separator:a01b9b81f9ef61fddf8a2fc40adfd32a9"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ac46b0e134798166fc9d7abd92e8511ed"><td class="memTemplParams" colspan="2">template&lt;int dim&gt; </td></tr>
<tr class="memitem:ac46b0e134798166fc9d7abd92e8511ed"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="structmshadow_1_1expr_1_1ReshapeExp.html">expr::ReshapeExp</a>&lt; <a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, 1, DType &gt;, DType, dim, 1 &gt;&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmshadow_1_1Random_3_01gpu_00_01DType_01_4.html#ac46b0e134798166fc9d7abd92e8511ed">uniform</a> (<a class="el" href="structmshadow_1_1Shape.html">Shape</a>&lt; dim &gt; shape)</td></tr>
<tr class="memdesc:ac46b0e134798166fc9d7abd92e8511ed"><td class="mdescLeft">&#160;</td><td class="mdescRight">return a temporal expression storing standard uniform [0,1) the temporal tensor is only valid before next call of gaussian or uniform can be used as part of expression Caution: this means expression such as A = gaussian(s1) * gaussian(s2) will give invalid result, since second call of gaussian(s2) makes gaussian(s1) invalid A = gaussian(s1)*B+C; is correct; use one gaussian/uniform in each expression <a href="#ac46b0e134798166fc9d7abd92e8511ed">More...</a><br /></td></tr>
<tr class="separator:ac46b0e134798166fc9d7abd92e8511ed"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;typename DType&gt;<br />
class mshadow::Random&lt; gpu, DType &gt;</h3>
<p>GPU random number generator. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="a47236e16630bfafbf207d1ac57547b18"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a47236e16630bfafbf207d1ac57547b18">&#9670;&nbsp;</a></span>Random()</h2>
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template&lt;typename DType &gt; </div>
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<td class="memname"><a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::<a class="el" href="classmshadow_1_1Random.html">Random</a> </td>
<td>(</td>
<td class="paramtype">int&#160;</td>
<td class="paramname"><em>seed</em></td><td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td>
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<p>constructor of random engine </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">seed</td><td>random number seed </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a id="a6600fb034b3c840dd568458b9cea397c"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6600fb034b3c840dd568458b9cea397c">&#9670;&nbsp;</a></span>~Random()</h2>
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template&lt;typename DType &gt; </div>
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<td class="memname"><a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::~<a class="el" href="classmshadow_1_1Random.html">Random</a> </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
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<span class="mlabels"><span class="mlabel">inline</span></span> </td>
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<h2 class="groupheader">Member Function Documentation</h2>
<a id="a01b9b81f9ef61fddf8a2fc40adfd32a9"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a01b9b81f9ef61fddf8a2fc40adfd32a9">&#9670;&nbsp;</a></span>gaussian()</h2>
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template&lt;typename DType &gt; </div>
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template&lt;int dim&gt; </div>
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<td class="memname"><a class="el" href="structmshadow_1_1expr_1_1ReshapeExp.html">expr::ReshapeExp</a>&lt;<a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt;<a class="el" href="structmshadow_1_1gpu.html">gpu</a>, 1, DType&gt;, DType, dim, 1&gt; <a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::gaussian </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structmshadow_1_1Shape.html">Shape</a>&lt; dim &gt;&#160;</td>
<td class="paramname"><em>shape</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">DType&#160;</td>
<td class="paramname"><em>mu</em> = <code>0.0f</code>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">DType&#160;</td>
<td class="paramname"><em>sigma</em> = <code>1.0f</code>&#160;</td>
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<td>)</td>
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<p>return a temporal expression storing standard gaussian random variables the temporal tensor is only valid before next call of gaussian or uniform can be used as part of expression Caution: this means expression such as A = gaussian(s1) * gaussian(s2) will give invalid result, since second call of gaussian(s2) makes gaussian(s1) invalid A = gaussian(s1)*B+C; is correct; use one gaussian/uniform in each expression </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">shape</td><td>shape of the tensor </td></tr>
<tr><td class="paramname">mu</td><td>mean </td></tr>
<tr><td class="paramname">sigma</td><td>variance </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>a temporal expression storing standard gaussian random variables </dd></dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">dim</td><td>dimension of tensor </td></tr>
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</dd>
</dl>
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<a id="a8c3a2f7df5bc62093b4a55b9d42bb60e"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a8c3a2f7df5bc62093b4a55b9d42bb60e">&#9670;&nbsp;</a></span>GetRandInt()</h2>
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template&lt;typename DType &gt; </div>
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<td class="memname">void <a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::GetRandInt </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, 1, unsigned &gt; &amp;&#160;</td>
<td class="paramname"><em>dst</em></td><td>)</td>
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<p>get a set of random integers </p>
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<a id="a7c19ed4e6627e929fca95a4e404d6f56"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a7c19ed4e6627e929fca95a4e404d6f56">&#9670;&nbsp;</a></span>SampleGaussian()</h2>
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template&lt;typename DType &gt; </div>
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template&lt;int dim&gt; </div>
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<td class="memname">void <a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::SampleGaussian </td>
<td>(</td>
<td class="paramtype"><a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, dim, DType &gt; *&#160;</td>
<td class="paramname"><em>dst</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">DType&#160;</td>
<td class="paramname"><em>mu</em> = <code>0.0f</code>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">DType&#160;</td>
<td class="paramname"><em>sigma</em> = <code>1.0f</code>&#160;</td>
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<td>)</td>
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<p>generate data from standard gaussian </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">dst</td><td>destination </td></tr>
<tr><td class="paramname">mu</td><td>mean variable </td></tr>
<tr><td class="paramname">sigma</td><td>standard deviation </td></tr>
</table>
</dd>
</dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
<table class="tparams">
<tr><td class="paramname">dim</td><td>dimension of tensor </td></tr>
</table>
</dd>
</dl>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ae84681d4a83c444557e47abd69bd0f58">&#9670;&nbsp;</a></span>SampleUniform()</h2>
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template&lt;typename DType &gt; </div>
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template&lt;int dim&gt; </div>
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<td class="memname">void <a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::SampleUniform </td>
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<td class="paramtype"><a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, dim, DType &gt; *&#160;</td>
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<p>generate data from uniform [a,b) </p>
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<tr><td class="paramname">dst</td><td>destination </td></tr>
<tr><td class="paramname">a</td><td>lower bound of uniform </td></tr>
<tr><td class="paramname">b</td><td>upper bound of uniform </td></tr>
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<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">dim</td><td>dimension of tensor </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a997d28fe4cfa9a1f36b88160ce61ec9a">&#9670;&nbsp;</a></span>Seed()</h2>
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<td class="memname">void <a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::Seed </td>
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<p>seed random number generator using this seed </p>
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<tr><td class="paramname">seed</td><td>seed of prng </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#ac813f60f1d2d7c7e5cd4a4cc15068667">&#9670;&nbsp;</a></span>set_stream()</h2>
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<td class="memname">void <a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::set_stream </td>
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<p>set the stream of computation </p>
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<tr><td class="paramname">stream</td><td>computation stream </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#ac46b0e134798166fc9d7abd92e8511ed">&#9670;&nbsp;</a></span>uniform()</h2>
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template&lt;typename DType &gt; </div>
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<td class="memname"><a class="el" href="structmshadow_1_1expr_1_1ReshapeExp.html">expr::ReshapeExp</a>&lt;<a class="el" href="structmshadow_1_1Tensor.html">Tensor</a>&lt;<a class="el" href="structmshadow_1_1gpu.html">gpu</a>, 1, DType&gt;, DType, dim, 1&gt; <a class="el" href="classmshadow_1_1Random.html">mshadow::Random</a>&lt; <a class="el" href="structmshadow_1_1gpu.html">gpu</a>, DType &gt;::uniform </td>
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<p>return a temporal expression storing standard uniform [0,1) the temporal tensor is only valid before next call of gaussian or uniform can be used as part of expression Caution: this means expression such as A = gaussian(s1) * gaussian(s2) will give invalid result, since second call of gaussian(s2) makes gaussian(s1) invalid A = gaussian(s1)*B+C; is correct; use one gaussian/uniform in each expression </p>
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<tr><td class="paramname">shape</td><td>shape of the tensor </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>a temporal expression storing standard uniform [0,1) </dd></dl>
<dl class="tparams"><dt>Template Parameters</dt><dd>
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<tr><td class="paramname">dim</td><td>dimension of tensor </td></tr>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>/work/mxnet/3rdparty/mshadow/mshadow/<a class="el" href="random_8h_source.html">random.h</a></li>
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