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  51 <a href="#func-members">Functions</a>  </div>
  52   <div class="headertitle">
  53 <h1>arm_rfft_q31.c File Reference</h1>  </div>
  54 </div>
  55 <div class="contents">
  56 <code>#include &quot;<a class="el" href="arm__math_8h_source.html">arm_math.h</a>&quot;</code><br/>
  57
  58 <p><a href="arm__rfft__q31_8c_source.html">Go to the source code of this file.</a></p>
  59 <table class="memberdecls">
  60 <tr><td colspan="2"><h2><a name="func-members"></a>
  61 Functions</h2></td></tr>
  62 <tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__rfft__q31_8c.html#a520e1c358d44fcd2724cb19d46eb5dfa">arm_split_rfft_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>
  63 <tr><td class="memItemLeft" align="right" valign="top">void&#160;</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>
  64 <tr><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___r_f_f_t___r_i_f_f_t.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>
  65 </table>
  66 <hr/><h2>Function Documentation</h2>
  67 <a class="anchor" id="a520e1c358d44fcd2724cb19d46eb5dfa"></a><!-- doxytag: member="arm_rfft_q31.c::arm_split_rfft_q31" ref="a520e1c358d44fcd2724cb19d46eb5dfa" args="(q31_t *pSrc, uint32_t fftLen, q31_t *pATable, q31_t *pBTable, q31_t *pDst, uint32_t modifier)" -->
  68 <div class="memitem">
  69 <div class="memproto">
  70       <table class="memname">
  71         <tr>
  72           <td class="memname">void arm_split_rfft_q31 </td>
  73           <td>(</td>
  74           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  75           <td class="paramname"> <em>pSrc</em>, </td>
  76         </tr>
  77         <tr>
  78           <td class="paramkey"></td>
  79           <td></td>
  80           <td class="paramtype">uint32_t&#160;</td>
  81           <td class="paramname"> <em>fftLen</em>, </td>
  82         </tr>
  83         <tr>
  84           <td class="paramkey"></td>
  85           <td></td>
  86           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  87           <td class="paramname"> <em>pATable</em>, </td>
  88         </tr>
  89         <tr>
  90           <td class="paramkey"></td>
  91           <td></td>
  92           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  93           <td class="paramname"> <em>pBTable</em>, </td>
  94         </tr>
  95         <tr>
  96           <td class="paramkey"></td>
  97           <td></td>
  98           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  99           <td class="paramname"> <em>pDst</em>, </td>
 100         </tr>
 101         <tr>
 102           <td class="paramkey"></td>
 103           <td></td>
 104           <td class="paramtype">uint32_t&#160;</td>
 105           <td class="paramname"> <em>modifier</em>&#160;</td>
 106         </tr>
 107         <tr>
 108           <td></td>
 109           <td>)</td>
 110           <td></td><td></td>
 111         </tr>
 112       </table>
 113 </div>
 114 <div class="memdoc">
 115
 116 <p>Core Real FFT process. </p>
 117 <p>end of RFFT_RIFFT group </p>
 118 <dl><dt><b>Parameters:</b></dt><dd>
 119   <table class="params">
 120     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input buffer. </td></tr>
 121     <tr><td class="paramdir">[in]</td><td class="paramname">fftLen</td><td>length of FFT. </td></tr>
 122     <tr><td class="paramdir">[in]</td><td class="paramname">*pATable</td><td>points to the twiddle Coef A buffer. </td></tr>
 123     <tr><td class="paramdir">[in]</td><td class="paramname">*pBTable</td><td>points to the twiddle Coef B buffer. </td></tr>
 124     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output buffer. </td></tr>
 125     <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>
 126   </table>
 127   </dd>
 128 </dl>
 129 <dl class="return"><dt><b>Returns:</b></dt><dd>none. </dd></dl>
 130
 131 <p>Definition at line <a class="el" href="arm__rfft__q31_8c_source.html#l00143">143</a> of file <a class="el" href="arm__rfft__q31_8c_source.html">arm_rfft_q31.c</a>.</p>
 132
 133 </div>
 134 </div>
 135 <a class="anchor" id="acc62dd39a59091c4d6a80d4e55adeb13"></a><!-- doxytag: member="arm_rfft_q31.c::arm_split_rifft_q31" ref="acc62dd39a59091c4d6a80d4e55adeb13" args="(q31_t *pSrc, uint32_t fftLen, q31_t *pATable, q31_t *pBTable, q31_t *pDst, uint32_t modifier)" -->
 136 <div class="memitem">
 137 <div class="memproto">
 138       <table class="memname">
 139         <tr>
 140           <td class="memname">void arm_split_rifft_q31 </td>
 141           <td>(</td>
 142           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
 143           <td class="paramname"> <em>pSrc</em>, </td>
 144         </tr>
 145         <tr>
 146           <td class="paramkey"></td>
 147           <td></td>
 148           <td class="paramtype">uint32_t&#160;</td>
 149           <td class="paramname"> <em>fftLen</em>, </td>
 150         </tr>
 151         <tr>
 152           <td class="paramkey"></td>
 153           <td></td>
 154           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
 155           <td class="paramname"> <em>pATable</em>, </td>
 156         </tr>
 157         <tr>
 158           <td class="paramkey"></td>
 159           <td></td>
 160           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
 161           <td class="paramname"> <em>pBTable</em>, </td>
 162         </tr>
 163         <tr>
 164           <td class="paramkey"></td>
 165           <td></td>
 166           <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
 167           <td class="paramname"> <em>pDst</em>, </td>
 168         </tr>
 169         <tr>
 170           <td class="paramkey"></td>
 171           <td></td>
 172           <td class="paramtype">uint32_t&#160;</td>
 173           <td class="paramname"> <em>modifier</em>&#160;</td>
 174         </tr>
 175         <tr>
 176           <td></td>
 177           <td>)</td>
 178           <td></td><td></td>
 179         </tr>
 180       </table>
 181 </div>
 182 <div class="memdoc">
 183
 184 <p>Core Real IFFT process. </p>
 185 <dl><dt><b>Parameters:</b></dt><dd>
 186   <table class="params">
 187     <tr><td class="paramdir">[in]</td><td class="paramname">*pSrc</td><td>points to the input buffer. </td></tr>
 188     <tr><td class="paramdir">[in]</td><td class="paramname">fftLen</td><td>length of FFT. </td></tr>
 189     <tr><td class="paramdir">[in]</td><td class="paramname">*pATable</td><td>points to the twiddle Coef A buffer. </td></tr>
 190     <tr><td class="paramdir">[in]</td><td class="paramname">*pBTable</td><td>points to the twiddle Coef B buffer. </td></tr>
 191     <tr><td class="paramdir">[out]</td><td class="paramname">*pDst</td><td>points to the output buffer. </td></tr>
 192     <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>
 193   </table>
 194   </dd>
 195 </dl>
 196 <dl class="return"><dt><b>Returns:</b></dt><dd>none. </dd></dl>
 197
 198 <p>Definition at line <a class="el" href="arm__rfft__q31_8c_source.html#l00249">249</a> of file <a class="el" href="arm__rfft__q31_8c_source.html">arm_rfft_q31.c</a>.</p>
 199
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