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<a href="#func-members">Functions</a>  </div>
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<div class="title">Convert 32-bit Integer value<div class="ingroups"><a class="el" href="group__groupSupport.html">Support Functions</a></div></div>  </div>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:gacf407b007a37da18e99dabd9023c56b4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__q31__to__x.html#gacf407b007a37da18e99dabd9023c56b4">arm_q31_to_float</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
<tr class="memdesc:gacf407b007a37da18e99dabd9023c56b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the Q31 vector to floating-point vector.  <a href="#gacf407b007a37da18e99dabd9023c56b4">More...</a><br/></td></tr>
<tr class="separator:gacf407b007a37da18e99dabd9023c56b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga901dede4661365c9e7c630d3eb31c32c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__q31__to__x.html#ga901dede4661365c9e7c630d3eb31c32c">arm_q31_to_q15</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
<tr class="memdesc:ga901dede4661365c9e7c630d3eb31c32c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the Q31 vector to Q15 vector.  <a href="#ga901dede4661365c9e7c630d3eb31c32c">More...</a><br/></td></tr>
<tr class="separator:ga901dede4661365c9e7c630d3eb31c32c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga7f297d1a7d776805395095fdb24a8071"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__q31__to__x.html#ga7f297d1a7d776805395095fdb24a8071">arm_q31_to_q7</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *pDst, uint32_t <a class="el" href="arm__variance__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>)</td></tr>
<tr class="memdesc:ga7f297d1a7d776805395095fdb24a8071"><td class="mdescLeft">&#160;</td><td class="mdescRight">Converts the elements of the Q31 vector to Q7 vector.  <a href="#ga7f297d1a7d776805395095fdb24a8071">More...</a><br/></td></tr>
<tr class="separator:ga7f297d1a7d776805395095fdb24a8071"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<h2 class="groupheader">Function Documentation</h2>
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          <td class="memname">void arm_q31_to_float </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
          <td class="paramname"><em>pSrc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *&#160;</td>
          <td class="paramname"><em>pDst</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>blockSize</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the Q31 input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the floating-point output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
<dl class="section user"><dt>Description:</dt><dd></dd></dl>
<p>The equation used for the conversion process is:</p>
<pre>
        pDst[n] = (float32_t) pSrc[n] / 2147483648;   0 &lt;= n &lt; blockSize.
</pre> 
<p>References <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p>

<p>Referenced by <a class="el" href="arm__graphic__equalizer__example__q31_8c.html#a52d2cba30e6946c95578be946ac12a65">main()</a>.</p>

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          <td class="memname">void arm_q31_to_q15 </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
          <td class="paramname"><em>pSrc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *&#160;</td>
          <td class="paramname"><em>pDst</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>blockSize</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the Q31 input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the Q15 output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
<dl class="section user"><dt>Description:</dt><dd></dd></dl>
<p>The equation used for the conversion process is:</p>
<pre>
        pDst[n] = (q15_t) pSrc[n] &gt;&gt; 16;   0 &lt;= n &lt; blockSize.
</pre> 
<p>References <a class="el" href="arm__math_8h.html#ac4be483b8d98e977a69baf4a292a76fe">__PKHTB</a>, <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, and <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p>

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<a class="anchor" id="ga7f297d1a7d776805395095fdb24a8071"></a>
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          <td class="memname">void arm_q31_to_q7 </td>
          <td>(</td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
          <td class="paramname"><em>pSrc</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype"><a class="el" href="arm__math_8h.html#ae541b6f232c305361e9b416fc9eed263">q7_t</a> *&#160;</td>
          <td class="paramname"><em>pDst</em>, </td>
        </tr>
        <tr>
          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">uint32_t&#160;</td>
          <td class="paramname"><em>blockSize</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the Q31 input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the Q7 output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">blockSize</td><td>length of the input vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none.</dd></dl>
<dl class="section user"><dt>Description:</dt><dd></dd></dl>
<p>The equation used for the conversion process is:</p>
<pre>
        pDst[n] = (q7_t) pSrc[n] &gt;&gt; 24;   0 &lt;= n &lt; blockSize.
</pre> 
<p>References <a class="el" href="arm__math_8h.html#a3ebff224ad44c217fde9f530342e2960">__PACKq7</a>, <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, and <a class="el" href="arm__fir__example__f32_8c.html#ab6558f40a619c2502fbc24c880fd4fb0">blockSize</a>.</p>

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