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<div class="header">
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<a href="#func-members">Functions</a>  </div>
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<div class="title">arm_rfft_q15.c File Reference</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:a7c2a21793586f9a69c42140665550e09"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__rfft__q15_8c.html#a7c2a21793586f9a69c42140665550e09">arm_split_rfft_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, uint32_t fftLen, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pATable, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pBTable, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t modifier)</td></tr>
<tr class="memdesc:a7c2a21793586f9a69c42140665550e09"><td class="mdescLeft">&#160;</td><td class="mdescRight">Core Real FFT process.  <a href="#a7c2a21793586f9a69c42140665550e09">More...</a><br/></td></tr>
<tr class="separator:a7c2a21793586f9a69c42140665550e09"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aa72a531dd15a53570dddaf01b62158f4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__rfft__q15_8c.html#aa72a531dd15a53570dddaf01b62158f4">arm_split_rifft_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, uint32_t fftLen, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pATable, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pBTable, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pDst, uint32_t modifier)</td></tr>
<tr class="memdesc:aa72a531dd15a53570dddaf01b62158f4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Core Real IFFT process.  <a href="#aa72a531dd15a53570dddaf01b62158f4">More...</a><br/></td></tr>
<tr class="separator:aa72a531dd15a53570dddaf01b62158f4"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ga00e615f5db21736ad5b27fb6146f3fc5"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__RealFFT.html#ga00e615f5db21736ad5b27fb6146f3fc5">arm_rfft_q15</a> (const <a class="el" href="structarm__rfft__instance__q15.html">arm_rfft_instance_q15</a> *S, <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)</td></tr>
<tr class="memdesc:ga00e615f5db21736ad5b27fb6146f3fc5"><td class="mdescLeft">&#160;</td><td class="mdescRight">Processing function for the Q15 RFFT/RIFFT.  <a href="group__RealFFT.html#ga00e615f5db21736ad5b27fb6146f3fc5">More...</a><br/></td></tr>
<tr class="separator:ga00e615f5db21736ad5b27fb6146f3fc5"><td class="memSeparator" colspan="2">&#160;</td></tr>
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<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="a7c2a21793586f9a69c42140665550e09"></a>
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          <td class="memname">void arm_split_rfft_q15 </td>
          <td>(</td>
          <td class="paramtype"><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">uint32_t&#160;</td>
          <td class="paramname"><em>fftLen</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>pATable</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>pBTable</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>modifier</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td></td>
        </tr>
      </table>
</div><div class="memdoc">
<p>end of RealFFT group </p>
<dl class="params"><dt>Parameters</dt><dd>
  <table class="params">
    <tr><td class="paramname">*pSrc</td><td>points to the input buffer. </td></tr>
    <tr><td class="paramname">fftLen</td><td>length of FFT. </td></tr>
    <tr><td class="paramname">*pATable</td><td>points to the A twiddle Coef buffer. </td></tr>
    <tr><td class="paramname">*pBTable</td><td>points to the B twiddle Coef buffer. </td></tr>
    <tr><td class="paramname">*pDst</td><td>points to the output buffer. </td></tr>
    <tr><td class="paramname">modifier</td><td>twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none. The function implements a Real FFT </dd></dl>

<p>References <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, <a class="el" href="arm__math_8h.html#aa611fdbf6c56c46553701d6596a79aaf">__SMLAD()</a>, <a class="el" href="arm__math_8h.html#a7fc670277db1ad9ac34d52d771c7c305">__SMLADX()</a>, <a class="el" href="arm__math_8h.html#a6b293f62ad7eb225fa9ce0f39458eba3">__SMUSD()</a>, and <a class="el" href="arm__math_8h.html#a7375d1deba32929dc97008bfa7085d46">__SMUSDX()</a>.</p>

<p>Referenced by <a class="el" href="group__RealFFT.html#ga00e615f5db21736ad5b27fb6146f3fc5">arm_rfft_q15()</a>.</p>

</div>
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<a class="anchor" id="aa72a531dd15a53570dddaf01b62158f4"></a>
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          <td class="memname">void arm_split_rifft_q15 </td>
          <td>(</td>
          <td class="paramtype"><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">uint32_t&#160;</td>
          <td class="paramname"><em>fftLen</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>pATable</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>pBTable</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>modifier</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 input buffer. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">fftLen</td><td>length of FFT. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">*pATable</td><td>points to the twiddle Coef A buffer. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">*pBTable</td><td>points to the twiddle Coef B buffer. </td></tr>
    <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output buffer. </td></tr>
    <tr><td class="paramdir">[in]</td><td class="paramname">modifier</td><td>twiddle coefficient modifier that supports different size FFTs with the same twiddle factor table. </td></tr>
  </table>
  </dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>none. The function implements a Real IFFT </dd></dl>

<p>References <a class="el" href="arm__math_8h.html#aa505179349146cf6186640b4c8b47714">__PKHBT</a>, <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, <a class="el" href="arm__math_8h.html#aa611fdbf6c56c46553701d6596a79aaf">__SMLAD()</a>, <a class="el" href="arm__math_8h.html#a5d61b7d886888f9f1f35c079eb5d01c9">__SMLSDX()</a>, <a class="el" href="arm__math_8h.html#a9c58d7b4648a973d91e27544bc190e60">__SMUADX()</a>, and <a class="el" href="arm__math_8h.html#a6b293f62ad7eb225fa9ce0f39458eba3">__SMUSD()</a>.</p>

<p>Referenced by <a class="el" href="group__RealFFT.html#ga00e615f5db21736ad5b27fb6146f3fc5">arm_rfft_q15()</a>.</p>

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