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<div class="headertitle"><div class="title">Kullback-Leibler divergence<div class="ingroups"><a class="el" href="group__groupStats.html">Statistics Functions</a></div></div></div>
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<table class="memberdecls">
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:gad7364ce09f552a2dd45538c0b9f3515e"><td class="memItemLeft" align="right" valign="top">float16_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Kullback-Leibler.html#gad7364ce09f552a2dd45538c0b9f3515e">arm_kullback_leibler_f16</a> (const float16_t *pSrcA, const float16_t *pSrcB, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:gad7364ce09f552a2dd45538c0b9f3515e"><td class="mdescLeft"> </td><td class="mdescRight">Kullback-Leibler. <a href="group__Kullback-Leibler.html#gad7364ce09f552a2dd45538c0b9f3515e">More...</a><br /></td></tr>
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<tr class="separator:gad7364ce09f552a2dd45538c0b9f3515e"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac079b8525d5b6d3e80ca43517be2b5b4"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Kullback-Leibler.html#gac079b8525d5b6d3e80ca43517be2b5b4">arm_kullback_leibler_f32</a> (const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcA, const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrcB, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:gac079b8525d5b6d3e80ca43517be2b5b4"><td class="mdescLeft"> </td><td class="mdescRight">Kullback-Leibler. <a href="group__Kullback-Leibler.html#gac079b8525d5b6d3e80ca43517be2b5b4">More...</a><br /></td></tr>
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<tr class="separator:gac079b8525d5b6d3e80ca43517be2b5b4"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga924334ef70fd1eaca38c550b8e7a5d32"><td class="memItemLeft" align="right" valign="top"><a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Kullback-Leibler.html#ga924334ef70fd1eaca38c550b8e7a5d32">arm_kullback_leibler_f64</a> (const <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> *pSrcA, const <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> *pSrcB, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:ga924334ef70fd1eaca38c550b8e7a5d32"><td class="mdescLeft"> </td><td class="mdescRight">Kullback-Leibler. <a href="group__Kullback-Leibler.html#ga924334ef70fd1eaca38c550b8e7a5d32">More...</a><br /></td></tr>
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<tr class="separator:ga924334ef70fd1eaca38c550b8e7a5d32"><td class="memSeparator" colspan="2"> </td></tr>
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</table>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
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<p >Computes the Kullback-Leibler divergence between two distributions </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="gad7364ce09f552a2dd45538c0b9f3515e" name="gad7364ce09f552a2dd45538c0b9f3515e"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gad7364ce09f552a2dd45538c0b9f3515e">◆ </a></span>arm_kullback_leibler_f16()</h2>
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<div class="memitem">
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<td class="memname">float16_t arm_kullback_leibler_f16 </td>
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<td>(</td>
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<td class="paramtype">const float16_t * </td>
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<td class="paramname"><em>pSrcA</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const float16_t * </td>
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<td class="paramname"><em>pSrcB</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>blockSize</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</table>
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</div><div class="memdoc">
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<p >Distribution A may contain 0 with Neon version. Result will be right but some exception flags will be set.</p>
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<p >Distribution B must not contain 0 probability.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>points to an array of input values for probaility distribution A. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>points to an array of input values for probaility distribution B. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the input array. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Kullback-Leibler divergence D(A || B) </dd></dl>
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</div>
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</div>
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<a id="gac079b8525d5b6d3e80ca43517be2b5b4" name="gac079b8525d5b6d3e80ca43517be2b5b4"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gac079b8525d5b6d3e80ca43517be2b5b4">◆ </a></span>arm_kullback_leibler_f32()</h2>
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<div class="memitem">
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<td class="memname"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> arm_kullback_leibler_f32 </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pSrcA</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pSrcB</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>blockSize</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<p >Distribution A may contain 0 with Neon version. Result will be right but some exception flags will be set.</p>
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<p >Distribution B must not contain 0 probability.</p>
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>points to an array of input values for probaility distribution A. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>points to an array of input values for probaility distribution B. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the input array. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Kullback-Leibler divergence D(A || B) </dd></dl>
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</div>
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</div>
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<a id="ga924334ef70fd1eaca38c550b8e7a5d32" name="ga924334ef70fd1eaca38c550b8e7a5d32"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga924334ef70fd1eaca38c550b8e7a5d32">◆ </a></span>arm_kullback_leibler_f64()</h2>
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<div class="memitem">
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<div class="memproto">
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<table class="memname">
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<tr>
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<td class="memname"><a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> arm_kullback_leibler_f64 </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> * </td>
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<td class="paramname"><em>pSrcA</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">const <a class="el" href="arm__math__types_8h.html#ac55f3ae81b5bc9053760baacf57e47f4">float64_t</a> * </td>
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<td class="paramname"><em>pSrcB</em>, </td>
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</tr>
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<tr>
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<td class="paramkey"></td>
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<td></td>
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<td class="paramtype">uint32_t </td>
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<td class="paramname"><em>blockSize</em> </td>
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</tr>
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<tr>
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<td></td>
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<td>)</td>
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<td></td><td></td>
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</tr>
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</table>
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</div><div class="memdoc">
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<dl class="params"><dt>Parameters</dt><dd>
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<table class="params">
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<tr><td class="paramdir">[in]</td><td class="paramname">*pSrcA</td><td>points to an array of input values for probaility distribution A. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">*pSrcB</td><td>points to an array of input values for probaility distribution B. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples in the input array. </td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section return"><dt>Returns</dt><dd>Kullback-Leibler divergence D(A || B) </dd></dl>
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</div>
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</div>
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