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   &#160;<span id="projectnumber">Version 1.8.0</span>
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<div class="header">
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<a href="#func-members">Functions</a>  </div>
  <div class="headertitle">
<div class="title">Complex Magnitude Squared<div class="ingroups"><a class="el" href="group__groupCmplxMath.html">Complex Math 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:ga925ef5458a384f63d06f1c6997d1fb7d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__cmplx__mag__squared.html#ga925ef5458a384f63d06f1c6997d1fb7d">arm_cmplx_mag_squared_f32</a> (const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pSrc, <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> *pDst, uint32_t numSamples)</td></tr>
<tr class="memdesc:ga925ef5458a384f63d06f1c6997d1fb7d"><td class="mdescLeft">&#160;</td><td class="mdescRight">Floating-point complex magnitude squared.  <a href="#ga925ef5458a384f63d06f1c6997d1fb7d">More...</a><br/></td></tr>
<tr class="separator:ga925ef5458a384f63d06f1c6997d1fb7d"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:gafdd1e838db0aef7ec201611883bd444c"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__cmplx__mag__squared.html#gafdd1e838db0aef7ec201611883bd444c">arm_cmplx_mag_squared_q15</a> (const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t numSamples)</td></tr>
<tr class="memdesc:gafdd1e838db0aef7ec201611883bd444c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Q15 complex magnitude squared.  <a href="#gafdd1e838db0aef7ec201611883bd444c">More...</a><br/></td></tr>
<tr class="separator:gafdd1e838db0aef7ec201611883bd444c"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga9d74dbc0a777cfcc75c1cae33ef4d44a"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__cmplx__mag__squared.html#ga9d74dbc0a777cfcc75c1cae33ef4d44a">arm_cmplx_mag_squared_q31</a> (const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t numSamples)</td></tr>
<tr class="memdesc:ga9d74dbc0a777cfcc75c1cae33ef4d44a"><td class="mdescLeft">&#160;</td><td class="mdescRight">Q31 complex magnitude squared.  <a href="#ga9d74dbc0a777cfcc75c1cae33ef4d44a">More...</a><br/></td></tr>
<tr class="separator:ga9d74dbc0a777cfcc75c1cae33ef4d44a"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Description</h2>
<p>Computes the magnitude squared of the elements of a complex data vector.</p>
<p>The <code>pSrc</code> points to the source data and <code>pDst</code> points to the where the result should be written. <code>numSamples</code> specifies the number of complex samples in the input array and the data is stored in an interleaved fashion (real, imag, real, imag, ...). The input array has a total of <code>2*numSamples</code> values; the output array has a total of <code>numSamples</code> values.</p>
<p>The underlying algorithm is used:</p>
<pre>
for (n = 0; n &lt; numSamples; n++) {
    pDst[n] = pSrc[(2*n)+0]^2 + pSrc[(2*n)+1]^2;
}
</pre><p>There are separate functions for floating-point, Q15, and Q31 data types. </p>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="ga925ef5458a384f63d06f1c6997d1fb7d"></a>
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<div class="memproto">
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          <td class="memname">void arm_cmplx_mag_squared_f32 </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_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>numSamples</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 input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">numSamples</td><td>number of samples in each vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none </dd></dl>

</div>
</div>
<a class="anchor" id="gafdd1e838db0aef7ec201611883bd444c"></a>
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          <td class="memname">void arm_cmplx_mag_squared_q15 </td>
          <td>(</td>
          <td class="paramtype">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_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>numSamples</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 input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">numSamples</td><td>number of samples in each vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none</dd></dl>
<dl class="section user"><dt>Scaling and Overflow Behavior</dt><dd>The function implements 1.15 by 1.15 multiplications and finally output is converted into 3.13 format. </dd></dl>

</div>
</div>
<a class="anchor" id="ga9d74dbc0a777cfcc75c1cae33ef4d44a"></a>
<div class="memitem">
<div class="memproto">
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        <tr>
          <td class="memname">void arm_cmplx_mag_squared_q31 </td>
          <td>(</td>
          <td class="paramtype">const <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#adc89a3547f5324b7b3b95adec3806bc0">q31_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>numSamples</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 input vector </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">pDst</td><td>points to output vector </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">numSamples</td><td>number of samples in each vector </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none</dd></dl>
<dl class="section user"><dt>Scaling and Overflow Behavior</dt><dd>The function implements 1.31 by 1.31 multiplications and finally output is converted into 3.29 format. Input down scaling is not required. </dd></dl>

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