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href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pATable, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pBTable, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t modifier)</td></tr> <tr class="memdesc:a520e1c358d44fcd2724cb19d46eb5dfa"><td class="mdescLeft"> </td><td class="mdescRight">Core Real FFT process. <a href="#a520e1c358d44fcd2724cb19d46eb5dfa">More...</a><br/></td></tr> <tr class="separator:a520e1c358d44fcd2724cb19d46eb5dfa"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:acc62dd39a59091c4d6a80d4e55adeb13"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="arm__rfft__q31_8c.html#acc62dd39a59091c4d6a80d4e55adeb13">arm_split_rifft_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, uint32_t fftLen, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pATable, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pBTable, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pDst, uint32_t modifier)</td></tr> <tr class="memdesc:acc62dd39a59091c4d6a80d4e55adeb13"><td class="mdescLeft"> </td><td class="mdescRight">Core Real IFFT process. <a href="#acc62dd39a59091c4d6a80d4e55adeb13">More...</a><br/></td></tr> <tr class="separator:acc62dd39a59091c4d6a80d4e55adeb13"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gabaeab5646aeea9844e6d42ca8c73fe3a"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__RealFFT.html#gabaeab5646aeea9844e6d42ca8c73fe3a">arm_rfft_q31</a> (const <a class="el" href="structarm__rfft__instance__q31.html">arm_rfft_instance_q31</a> *S, <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)</td></tr> <tr class="memdesc:gabaeab5646aeea9844e6d42ca8c73fe3a"><td class="mdescLeft"> </td><td class="mdescRight">Processing function for the Q31 RFFT/RIFFT. <a href="group__RealFFT.html#gabaeab5646aeea9844e6d42ca8c73fe3a">More...</a><br/></td></tr> <tr class="separator:gabaeab5646aeea9844e6d42ca8c73fe3a"><td class="memSeparator" colspan="2"> </td></tr> </table> <h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="a520e1c358d44fcd2724cb19d46eb5dfa"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void arm_split_rfft_q31 </td> <td>(</td> <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_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#adc89a3547f5324b7b3b95adec3806bc0">q31_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#adc89a3547f5324b7b3b95adec3806bc0">q31_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#adc89a3547f5324b7b3b95adec3806bc0">q31_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>end of RealFFT group </p> <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. </dd></dl> <p>References <a class="el" href="arm__math_8h.html#a960f210642058d2b3d5368729a6e8375">mult_32x32_keep32_R</a>, <a class="el" href="arm__math_8h.html#aba3e538352fc7f9d6d15f9a18d469399">multAcc_32x32_keep32_R</a>, and <a class="el" href="arm__math_8h.html#a668fbf1cd1c3bc8faf1b1c83964ade23">multSub_32x32_keep32_R</a>.</p> <p>Referenced by <a class="el" href="group__RealFFT.html#gabaeab5646aeea9844e6d42ca8c73fe3a">arm_rfft_q31()</a>.</p> </div> </div> <a class="anchor" id="acc62dd39a59091c4d6a80d4e55adeb13"></a> <div class="memitem"> <div class="memproto"> <table class="memname"> <tr> <td class="memname">void arm_split_rifft_q31 </td> <td>(</td> <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_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#adc89a3547f5324b7b3b95adec3806bc0">q31_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#adc89a3547f5324b7b3b95adec3806bc0">q31_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#adc89a3547f5324b7b3b95adec3806bc0">q31_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"> <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. </dd></dl> <p>References <a class="el" href="arm__math_8h.html#a960f210642058d2b3d5368729a6e8375">mult_32x32_keep32_R</a>, <a class="el" href="arm__math_8h.html#aba3e538352fc7f9d6d15f9a18d469399">multAcc_32x32_keep32_R</a>, and <a class="el" href="arm__math_8h.html#a668fbf1cd1c3bc8faf1b1c83964ade23">multSub_32x32_keep32_R</a>.</p> <p>Referenced by <a class="el" href="group__RealFFT.html#gabaeab5646aeea9844e6d42ca8c73fe3a">arm_rfft_q31()</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__rfft__q31_8c.html">arm_rfft_q31.c</a></li> <li class="footer">Generated on Wed Feb 8 2017 10:20:51 for CMSIS-DSP by ARM Ltd. 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