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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">More...</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">More...</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__ComplexFFT.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__ComplexFFT.html#ga8d66cdac41b8bf6cefdb895456eee84a">More...</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> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <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__ComplexFFT.html#ga8d66cdac41b8bf6cefdb895456eee84a">arm_cfft_radix4_q15()</a>.</p> </div> </div> <a class="anchor" id="aad04e8439d17dab5617bf1be268bb391"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <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#a08bea9cb2c311d925224c0d6829edb8c">__QADD16()</a>, <a class="el" href="arm__math_8h.html#aad6f7afa72d784b95e6357c215a919bb">__QASX()</a>, <a class="el" href="arm__math_8h.html#a391f5f1d2e7cefaccfece0a49141ad47">__QSAX()</a>, <a class="el" href="arm__math_8h.html#a6e4703dc08d1b82eab7f5ef96edb59bb">__QSUB16()</a>, <a class="el" href="arm__math_8h.html#af3d7aff37a4472f1f2bc88eb3b97b526">__SHADD16()</a>, <a class="el" href="arm__math_8h.html#af60f220d422ebc524411f712544feecf">__SHASX()</a>, <a class="el" href="arm__math_8h.html#abbfbf3cfac1971b4b380c0cde120a85b">__SHSAX()</a>, <a class="el" href="arm__math_8h.html#a0987d147320a596bbdb537d70b23de73">__SHSUB16()</a>, <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, <a class="el" href="arm__math_8h.html#a9c58d7b4648a973d91e27544bc190e60">__SMUADX()</a>, <a class="el" href="arm__math_8h.html#a6b293f62ad7eb225fa9ce0f39458eba3">__SMUSD()</a>, and <a class="el" href="arm__math_8h.html#af0d54ec57b936994a34f073d0049ea3f">_SIMD32_OFFSET</a>.</p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#ga68cdacd2267a2967955e40e6b7ec1229">arm_cfft_q15()</a>, <a class="el" href="group__ComplexFFT.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#a08bea9cb2c311d925224c0d6829edb8c">__QADD16()</a>, <a class="el" href="arm__math_8h.html#aad6f7afa72d784b95e6357c215a919bb">__QASX()</a>, <a class="el" href="arm__math_8h.html#a391f5f1d2e7cefaccfece0a49141ad47">__QSAX()</a>, <a class="el" href="arm__math_8h.html#a6e4703dc08d1b82eab7f5ef96edb59bb">__QSUB16()</a>, <a class="el" href="arm__math_8h.html#af3d7aff37a4472f1f2bc88eb3b97b526">__SHADD16()</a>, <a class="el" href="arm__math_8h.html#af60f220d422ebc524411f712544feecf">__SHASX()</a>, <a class="el" href="arm__math_8h.html#abbfbf3cfac1971b4b380c0cde120a85b">__SHSAX()</a>, <a class="el" href="arm__math_8h.html#a0987d147320a596bbdb537d70b23de73">__SHSUB16()</a>, <a class="el" href="arm__math_8h.html#a9de2e0a5785be82866bcb96012282248">__SIMD32</a>, <a class="el" href="arm__math_8h.html#a2eed05660fedbe3fbd0b6dbb1315cfc3">__SMUAD()</a>, <a class="el" href="arm__math_8h.html#a7375d1deba32929dc97008bfa7085d46">__SMUSDX()</a>, and <a class="el" href="arm__math_8h.html#af0d54ec57b936994a34f073d0049ea3f">_SIMD32_OFFSET</a>.</p> <p>Referenced by <a class="el" href="group__ComplexFFT.html#ga68cdacd2267a2967955e40e6b7ec1229">arm_cfft_q15()</a>, <a class="el" href="group__ComplexFFT.html#ga8d66cdac41b8bf6cefdb895456eee84a">arm_cfft_radix4_q15()</a>, and <a class="el" href="arm__cfft__q15_8c.html#af1d4a751153857c173511e0c77ab4fa9">arm_cfft_radix4by2_q15()</a>.</p> </div> </div> </div><!-- contents --> </div><!-- doc-content --> <!-- start footer part --> <div id="nav-path" class="navpath"><!-- id is needed for treeview function! --> <ul> <li class="navelem"><a class="el" href="dir_650d82db24a6311fa7658fced19ae149.html">DSP</a></li><li class="navelem"><a class="el" href="dir_cf3b734d050ceea02fbfb06f215bbc8f.html">Source</a></li><li class="navelem"><a class="el" href="dir_f93595924be31e3058e32faa649f9f3e.html">TransformFunctions</a></li><li class="navelem"><a class="el" href="arm__cfft__radix4__q15_8c.html">arm_cfft_radix4_q15.c</a></li> <li class="footer">Generated on Wed Feb 8 2017 10:20:50 for CMSIS-DSP by ARM Ltd. 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