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346 lines
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle"><div class="title">Vector sorting algorithms<div class="ingroups"><a class="el" href="group__groupSupport.html">Support Functions</a></div></div></div>
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</div><!--header-->
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<div class="contents">
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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:gaaf7f4a37e178f324a43a3b0257217c50"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Sorting.html#gaaf7f4a37e178f324a43a3b0257217c50">arm_merge_sort_f32</a> (const <a class="el" href="structarm__merge__sort__instance__f32.html">arm_merge_sort_instance_f32</a> *S, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="separator:gaaf7f4a37e178f324a43a3b0257217c50"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga8132fc5cd4ff0d49a18d8620b7b994ab"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Sorting.html#ga8132fc5cd4ff0d49a18d8620b7b994ab">arm_merge_sort_init_f32</a> (<a class="el" href="structarm__merge__sort__instance__f32.html">arm_merge_sort_instance_f32</a> *S, <a class="el" href="support__functions_8h.html#a171bff70e8bc15590ef1df0457093d78">arm_sort_dir</a> dir, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *buffer)</td></tr>
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<tr class="separator:ga8132fc5cd4ff0d49a18d8620b7b994ab"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga2297c149f0974e0f5510907725addd4b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Sorting.html#ga2297c149f0974e0f5510907725addd4b">arm_sort_f32</a> (const <a class="el" href="structarm__sort__instance__f32.html">arm_sort_instance_f32</a> *S, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
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<tr class="memdesc:ga2297c149f0974e0f5510907725addd4b"><td class="mdescLeft"> </td><td class="mdescRight">Generic sorting function. <a href="group__Sorting.html#ga2297c149f0974e0f5510907725addd4b">More...</a><br /></td></tr>
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<tr class="separator:ga2297c149f0974e0f5510907725addd4b"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac268276b8facce924812fe0e57fa4043"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Sorting.html#gac268276b8facce924812fe0e57fa4043">arm_sort_init_f32</a> (<a class="el" href="structarm__sort__instance__f32.html">arm_sort_instance_f32</a> *S, <a class="el" href="support__functions_8h.html#a39c7478f2a29c3ac0a8008ca916c811e">arm_sort_alg</a> alg, <a class="el" href="support__functions_8h.html#a171bff70e8bc15590ef1df0457093d78">arm_sort_dir</a> dir)</td></tr>
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<tr class="separator:gac268276b8facce924812fe0e57fa4043"><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 >Sort the elements of a vector</p>
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<p >There are separate functions for floating-point, Q31, Q15, and Q7 data types. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<a id="gaaf7f4a37e178f324a43a3b0257217c50" name="gaaf7f4a37e178f324a43a3b0257217c50"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gaaf7f4a37e178f324a43a3b0257217c50">◆ </a></span>arm_merge_sort_f32()</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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<td class="memname">void arm_merge_sort_f32 </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="structarm__merge__sort__instance__f32.html">arm_merge_sort_instance_f32</a> * </td>
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<td class="paramname"><em>S</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"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pSrc</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"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pDst</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">S</td><td>points to an instance of the sorting structure. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">pSrc</td><td>points to the block of input data. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to the block of output data </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples to process.</td></tr>
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</table>
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</dd>
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</dl>
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<dl class="section user"><dt>Algorithm</dt><dd>The merge sort algorithm is a comparison algorithm that divide the input array in sublists and merge them to produce longer sorted sublists until there is only one list remaining.</dd></dl>
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<dl class="section user"><dt>A work array is always needed. It must be allocated by the user </dt><dd>linked to the instance at initialization time.</dd></dl>
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<dl class="section user"><dt>It's an in-place algorithm. In order to obtain an out-of-place</dt><dd>function, a memcpy of the source vector is performed </dd></dl>
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</div>
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</div>
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<a id="ga8132fc5cd4ff0d49a18d8620b7b994ab" name="ga8132fc5cd4ff0d49a18d8620b7b994ab"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga8132fc5cd4ff0d49a18d8620b7b994ab">◆ </a></span>arm_merge_sort_init_f32()</h2>
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<div class="memitem">
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<tr>
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<td class="memname">void arm_merge_sort_init_f32 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structarm__merge__sort__instance__f32.html">arm_merge_sort_instance_f32</a> * </td>
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<td class="paramname"><em>S</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"><a class="el" href="support__functions_8h.html#a171bff70e8bc15590ef1df0457093d78">arm_sort_dir</a> </td>
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<td class="paramname"><em>dir</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"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>buffer</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,out]</td><td class="paramname">S</td><td>points to an instance of the sorting structure. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">dir</td><td>Sorting order. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">buffer</td><td>Working buffer. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="ga2297c149f0974e0f5510907725addd4b" name="ga2297c149f0974e0f5510907725addd4b"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#ga2297c149f0974e0f5510907725addd4b">◆ </a></span>arm_sort_f32()</h2>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname">void arm_sort_f32 </td>
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<td>(</td>
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<td class="paramtype">const <a class="el" href="structarm__sort__instance__f32.html">arm_sort_instance_f32</a> * </td>
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<td class="paramname"><em>S</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"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pSrc</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"><a class="el" href="arm__math__types_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pDst</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">S</td><td>points to an instance of the sorting structure. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">pSrc</td><td>points to the block of input data. </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to the block of output data. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>number of samples to process. </td></tr>
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</table>
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</dd>
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</dl>
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</div>
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</div>
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<a id="gac268276b8facce924812fe0e57fa4043" name="gac268276b8facce924812fe0e57fa4043"></a>
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<h2 class="memtitle"><span class="permalink"><a href="#gac268276b8facce924812fe0e57fa4043">◆ </a></span>arm_sort_init_f32()</h2>
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<div class="memitem">
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<div class="memproto">
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<tr>
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<td class="memname">void arm_sort_init_f32 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="structarm__sort__instance__f32.html">arm_sort_instance_f32</a> * </td>
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<td class="paramname"><em>S</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"><a class="el" href="support__functions_8h.html#a39c7478f2a29c3ac0a8008ca916c811e">arm_sort_alg</a> </td>
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<td class="paramname"><em>alg</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"><a class="el" href="support__functions_8h.html#a171bff70e8bc15590ef1df0457093d78">arm_sort_dir</a> </td>
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<td class="paramname"><em>dir</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,out]</td><td class="paramname">S</td><td>points to an instance of the sorting structure. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">alg</td><td>Selected algorithm. </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">dir</td><td>Sorting order. </td></tr>
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</table>
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</dd>
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