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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:a2d01d2045f280c32036da97d33c52440"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix4__q15_8c.html#a2d01d2045f280c32036da97d33c52440">arm_radix4_butterfly_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc16, uint32_t fftLen, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pCoef16, uint32_t twidCoefModifier)</td></tr> |
| <tr class="memdesc:a2d01d2045f280c32036da97d33c52440"><td class="mdescLeft"> </td><td class="mdescRight">Core function for the Q15 CFFT butterfly process. <a href="#a2d01d2045f280c32036da97d33c52440"></a><br/></td></tr> |
| <tr class="separator:a2d01d2045f280c32036da97d33c52440"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:aad04e8439d17dab5617bf1be268bb391"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix4__q15_8c.html#aad04e8439d17dab5617bf1be268bb391">arm_radix4_butterfly_inverse_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc16, uint32_t fftLen, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pCoef16, uint32_t twidCoefModifier)</td></tr> |
| <tr class="memdesc:aad04e8439d17dab5617bf1be268bb391"><td class="mdescLeft"> </td><td class="mdescRight">Core function for the Q15 CIFFT butterfly process. <a href="#aad04e8439d17dab5617bf1be268bb391"></a><br/></td></tr> |
| <tr class="separator:aad04e8439d17dab5617bf1be268bb391"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:a73f48eaea9297605705ae25d3405343e"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix4__q15_8c.html#a73f48eaea9297605705ae25d3405343e">arm_bitreversal_q15</a> (<a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTab)</td></tr> |
| <tr class="separator:a73f48eaea9297605705ae25d3405343e"><td class="memSeparator" colspan="2"> </td></tr> |
| <tr class="memitem:ga8d66cdac41b8bf6cefdb895456eee84a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group___complex_f_f_t.html#ga8d66cdac41b8bf6cefdb895456eee84a">arm_cfft_radix4_q15</a> (const <a class="el" href="structarm__cfft__radix4__instance__q15.html">arm_cfft_radix4_instance_q15</a> *S, <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> *pSrc)</td></tr> |
| <tr class="memdesc:ga8d66cdac41b8bf6cefdb895456eee84a"><td class="mdescLeft"> </td><td class="mdescRight">Processing function for the Q15 CFFT/CIFFT. <a href="group___complex_f_f_t.html#ga8d66cdac41b8bf6cefdb895456eee84a"></a><br/></td></tr> |
| <tr class="separator:ga8d66cdac41b8bf6cefdb895456eee84a"><td class="memSeparator" colspan="2"> </td></tr> |
| </table> |
| <h2 class="groupheader">Function Documentation</h2> |
| <a class="anchor" id="a73f48eaea9297605705ae25d3405343e"></a> |
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| <td class="memname">void arm_bitreversal_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">uint16_t </td> |
| <td class="paramname"><em>bitRevFactor</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint16_t * </td> |
| <td class="paramname"><em>pBitRevTab</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| |
| <p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga55b424341dc3efd3fa0bcaaff4bdbf40">arm_cfft_radix2_q15()</a>, and <a class="el" href="group___complex_f_f_t.html#ga8d66cdac41b8bf6cefdb895456eee84a">arm_cfft_radix4_q15()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="aad04e8439d17dab5617bf1be268bb391"></a> |
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| <td class="memname">void arm_radix4_butterfly_inverse_q15 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td> |
| <td class="paramname"><em>pSrc16</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>pCoef16</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint32_t </td> |
| <td class="paramname"><em>twidCoefModifier</em> </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,out]</td><td class="paramname">*pSrc16</td><td>points to the in-place buffer of Q15 data type. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">fftLen</td><td>length of the FFT. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pCoef16</td><td>points to twiddle coefficient buffer. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">twidCoefModifier</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. </dd></dl> |
| |
| <p>References <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, and <a class="el" href="arm__math_8h.html#af0d54ec57b936994a34f073d0049ea3f">_SIMD32_OFFSET</a>.</p> |
| |
| <p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga68cdacd2267a2967955e40e6b7ec1229">arm_cfft_q15()</a>, <a class="el" href="group___complex_f_f_t.html#ga8d66cdac41b8bf6cefdb895456eee84a">arm_cfft_radix4_q15()</a>, and <a class="el" href="arm__cfft__q15_8c.html#abe669acc8db57d1fb9b1e2bba30f2224">arm_cfft_radix4by2_inverse_q15()</a>.</p> |
| |
| </div> |
| </div> |
| <a class="anchor" id="a2d01d2045f280c32036da97d33c52440"></a> |
| <div class="memitem"> |
| <div class="memproto"> |
| <table class="memname"> |
| <tr> |
| <td class="memname">void arm_radix4_butterfly_q15 </td> |
| <td>(</td> |
| <td class="paramtype"><a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> * </td> |
| <td class="paramname"><em>pSrc16</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>pCoef16</em>, </td> |
| </tr> |
| <tr> |
| <td class="paramkey"></td> |
| <td></td> |
| <td class="paramtype">uint32_t </td> |
| <td class="paramname"><em>twidCoefModifier</em> </td> |
| </tr> |
| <tr> |
| <td></td> |
| <td>)</td> |
| <td></td><td></td> |
| </tr> |
| </table> |
| </div><div class="memdoc"> |
| <p>end of ComplexFFT group </p> |
| <dl class="params"><dt>Parameters</dt><dd> |
| <table class="params"> |
| <tr><td class="paramdir">[in,out]</td><td class="paramname">*pSrc16</td><td>points to the in-place buffer of Q15 data type. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">fftLen</td><td>length of the FFT. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">*pCoef16</td><td>points to twiddle coefficient buffer. </td></tr> |
| <tr><td class="paramdir">[in]</td><td class="paramname">twidCoefModifier</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. </dd></dl> |
| |
| <p>References <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, and <a class="el" href="arm__math_8h.html#af0d54ec57b936994a34f073d0049ea3f">_SIMD32_OFFSET</a>.</p> |
| |
| <p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga68cdacd2267a2967955e40e6b7ec1229">arm_cfft_q15()</a>, <a class="el" href="group___complex_f_f_t.html#ga8d66cdac41b8bf6cefdb895456eee84a">arm_cfft_radix4_q15()</a>, and <a class="el" href="arm__cfft__q15_8c.html#af1d4a751153857c173511e0c77ab4fa9">arm_cfft_radix4by2_q15()</a>.</p> |
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