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- <h1>arm_rfft_q15.c File Reference</h1> </div>
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- <code>#include "<a class="el" href="arm__math_8h_source.html">arm_math.h</a>"</code><br/>
- <p><a href="arm__rfft__q15_8c_source.html">Go to the source code of this file.</a></p>
- <table class="memberdecls">
- <tr><td colspan="2"><h2><a name="func-members"></a>
- Functions</h2></td></tr>
- <tr><td class="memItemLeft" align="right" valign="top">void </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><td class="memItemLeft" align="right" valign="top">void </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><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_f_f_t___r_i_f_f_t.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>
- </table>
- <hr/><h2>Function Documentation</h2>
- <a class="anchor" id="a7c2a21793586f9a69c42140665550e09"></a><!-- doxytag: member="arm_rfft_q15.c::arm_split_rfft_q15" ref="a7c2a21793586f9a69c42140665550e09" args="(q15_t *pSrc, uint32_t fftLen, q15_t *pATable, q15_t *pBTable, q15_t *pDst, uint32_t modifier)" -->
- <div class="memitem">
- <div class="memproto">
- <table class="memname">
- <tr>
- <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> * </td>
- <td class="paramname"> <em>pSrc</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">uint32_t </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> * </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> * </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> * </td>
- <td class="paramname"> <em>pDst</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">uint32_t </td>
- <td class="paramname"> <em>modifier</em> </td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
- </table>
- </div>
- <div class="memdoc">
- <p>Core Real FFT process. </p>
- <p>end of RFFT_RIFFT group </p>
- <dl><dt><b>Parameters:</b></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="return"><dt><b>Returns:</b></dt><dd>none. The function implements a Real FFT </dd></dl>
- <p>Definition at line <a class="el" href="arm__rfft__q15_8c_source.html#l00140">140</a> of file <a class="el" href="arm__rfft__q15_8c_source.html">arm_rfft_q15.c</a>.</p>
- </div>
- </div>
- <a class="anchor" id="aa72a531dd15a53570dddaf01b62158f4"></a><!-- doxytag: member="arm_rfft_q15.c::arm_split_rifft_q15" ref="aa72a531dd15a53570dddaf01b62158f4" args="(q15_t *pSrc, uint32_t fftLen, q15_t *pATable, q15_t *pBTable, q15_t *pDst, uint32_t modifier)" -->
- <div class="memitem">
- <div class="memproto">
- <table class="memname">
- <tr>
- <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> * </td>
- <td class="paramname"> <em>pSrc</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">uint32_t </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> * </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> * </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> * </td>
- <td class="paramname"> <em>pDst</em>, </td>
- </tr>
- <tr>
- <td class="paramkey"></td>
- <td></td>
- <td class="paramtype">uint32_t </td>
- <td class="paramname"> <em>modifier</em> </td>
- </tr>
- <tr>
- <td></td>
- <td>)</td>
- <td></td><td></td>
- </tr>
- </table>
- </div>
- <div class="memdoc">
- <p>Core Real IFFT process. </p>
- <dl><dt><b>Parameters:</b></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="return"><dt><b>Returns:</b></dt><dd>none. The function implements a Real IFFT </dd></dl>
- <p>Definition at line <a class="el" href="arm__rfft__q15_8c_source.html#l00228">228</a> of file <a class="el" href="arm__rfft__q15_8c_source.html">arm_rfft_q15.c</a>.</p>
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