343 lines
18 KiB
HTML
343 lines
18 KiB
HTML
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<title>CMSIS-DSP: Maximum</title>
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<div id="projectname">CMSIS-DSP
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 <span id="projectnumber">Version 1.5.1</span>
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<div id="projectbrief">CMSIS DSP Software Library</div>
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<a href="#func-members">Functions</a> </div>
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<div class="headertitle">
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<div class="title">Maximum<div class="ingroups"><a class="el" href="group__groupStats.html">Statistics 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 name="func-members"></a>
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Functions</h2></td></tr>
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<tr class="memitem:ga5b89d1b04575aeec494f678695fb87d8"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Max.html#ga5b89d1b04575aeec494f678695fb87d8">arm_max_f32</a> (<a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pResult, uint32_t *pIndex)</td></tr>
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<tr class="memdesc:ga5b89d1b04575aeec494f678695fb87d8"><td class="mdescLeft"> </td><td class="mdescRight">Maximum value of a floating-point vector. <a href="#ga5b89d1b04575aeec494f678695fb87d8">More...</a><br/></td></tr>
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<tr class="separator:ga5b89d1b04575aeec494f678695fb87d8"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gac132856c68f4bf2a056eaad5921c7880"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Max.html#gac132856c68f4bf2a056eaad5921c7880">arm_max_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pResult, uint32_t *pIndex)</td></tr>
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<tr class="memdesc:gac132856c68f4bf2a056eaad5921c7880"><td class="mdescLeft"> </td><td class="mdescRight">Maximum value of a Q15 vector. <a href="#gac132856c68f4bf2a056eaad5921c7880">More...</a><br/></td></tr>
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<tr class="separator:gac132856c68f4bf2a056eaad5921c7880"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:gaff7cbd4e955382def06724cc4cc85795"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Max.html#gaff7cbd4e955382def06724cc4cc85795">arm_max_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pResult, uint32_t *pIndex)</td></tr>
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<tr class="memdesc:gaff7cbd4e955382def06724cc4cc85795"><td class="mdescLeft"> </td><td class="mdescRight">Maximum value of a Q31 vector. <a href="#gaff7cbd4e955382def06724cc4cc85795">More...</a><br/></td></tr>
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<tr class="separator:gaff7cbd4e955382def06724cc4cc85795"><td class="memSeparator" colspan="2"> </td></tr>
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<tr class="memitem:ga6afd64d381b5c232de59163ebfe71e35"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Max.html#ga6afd64d381b5c232de59163ebfe71e35">arm_max_q7</a> (<a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pSrc, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pResult, uint32_t *pIndex)</td></tr>
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<tr class="memdesc:ga6afd64d381b5c232de59163ebfe71e35"><td class="mdescLeft"> </td><td class="mdescRight">Maximum value of a Q7 vector. <a href="#ga6afd64d381b5c232de59163ebfe71e35">More...</a><br/></td></tr>
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<tr class="separator:ga6afd64d381b5c232de59163ebfe71e35"><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 maximum value of an array of data. The function returns both the maximum value and its position within the array. 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 class="anchor" id="ga5b89d1b04575aeec494f678695fb87d8"></a>
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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">void arm_max_f32 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="arm__math_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">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 class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> * </td>
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<td class="paramname"><em>pResult</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>pIndex</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">*pSrc</td><td>points to the input vector </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">*pResult</td><td>maximum value returned here </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">*pIndex</td><td>index of maximum value returned here </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>none. </dd></dl>
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<p>Referenced by <a class="el" href="arm__class__marks__example__f32_8c.html#a196718f834091385d38586a0ce4009dc">main()</a>.</p>
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</div>
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</div>
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<a class="anchor" id="gac132856c68f4bf2a056eaad5921c7880"></a>
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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">void arm_max_q15 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_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">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 class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td>
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<td class="paramname"><em>pResult</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>pIndex</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">*pSrc</td><td>points to the input vector </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">*pResult</td><td>maximum value returned here </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">*pIndex</td><td>index of maximum value returned here </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>none. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="gaff7cbd4e955382def06724cc4cc85795"></a>
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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">void arm_max_q31 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_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">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 class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> * </td>
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<td class="paramname"><em>pResult</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>pIndex</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">*pSrc</td><td>points to the input vector </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">*pResult</td><td>maximum value returned here </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">*pIndex</td><td>index of maximum value returned here </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>none. </dd></dl>
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</div>
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</div>
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<a class="anchor" id="ga6afd64d381b5c232de59163ebfe71e35"></a>
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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">void arm_max_q7 </td>
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<td>(</td>
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<td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_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">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 class="paramkey"></td>
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<td></td>
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<td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> * </td>
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<td class="paramname"><em>pResult</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>pIndex</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">*pSrc</td><td>points to the input vector </td></tr>
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<tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">*pResult</td><td>maximum value returned here </td></tr>
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<tr><td class="paramdir">[out]</td><td class="paramname">*pIndex</td><td>index of maximum value returned here </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>none. </dd></dl>
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