arm__cfft__radix2__q31_8c.html 14 KB

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  109. <a href="#func-members">Functions</a> </div>
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  111. <div class="title">arm_cfft_radix2_q31.c File Reference</div> </div>
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  113. <div class="contents">
  114. <table class="memberdecls">
  115. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
  116. Functions</h2></td></tr>
  117. <tr class="memitem:a740f4fe69e6148d22fc99f374d304e7e"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix2__q31_8c.html#a740f4fe69e6148d22fc99f374d304e7e">arm_radix2_butterfly_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> *pCoef, uint16_t twidCoefModifier)</td></tr>
  118. <tr class="separator:a740f4fe69e6148d22fc99f374d304e7e"><td class="memSeparator" colspan="2">&#160;</td></tr>
  119. <tr class="memitem:a4d665f67080455b95cafec04009fd52d"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix2__q31_8c.html#a4d665f67080455b95cafec04009fd52d">arm_radix2_butterfly_inverse_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> *pCoef, uint16_t twidCoefModifier)</td></tr>
  120. <tr class="separator:a4d665f67080455b95cafec04009fd52d"><td class="memSeparator" colspan="2">&#160;</td></tr>
  121. <tr class="memitem:a3fab577d25c3a517973c8c214f66f268"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="arm__cfft__radix2__q31_8c.html#a3fab577d25c3a517973c8c214f66f268">arm_bitreversal_q31</a> (<a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc, uint32_t fftLen, uint16_t bitRevFactor, uint16_t *pBitRevTab)</td></tr>
  122. <tr class="separator:a3fab577d25c3a517973c8c214f66f268"><td class="memSeparator" colspan="2">&#160;</td></tr>
  123. <tr class="memitem:ga6321f703ec87a274aedaab33d3e766b4"><td class="memItemLeft" align="right" valign="top">void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group___complex_f_f_t.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31</a> (const <a class="el" href="structarm__cfft__radix2__instance__q31.html">arm_cfft_radix2_instance_q31</a> *S, <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *pSrc)</td></tr>
  124. <tr class="memdesc:ga6321f703ec87a274aedaab33d3e766b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Processing function for the fixed-point CFFT/CIFFT. <a href="group___complex_f_f_t.html#ga6321f703ec87a274aedaab33d3e766b4"></a><br/></td></tr>
  125. <tr class="separator:ga6321f703ec87a274aedaab33d3e766b4"><td class="memSeparator" colspan="2">&#160;</td></tr>
  126. </table>
  127. <h2 class="groupheader">Function Documentation</h2>
  128. <a class="anchor" id="a3fab577d25c3a517973c8c214f66f268"></a>
  129. <div class="memitem">
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  132. <tr>
  133. <td class="memname">void arm_bitreversal_q31 </td>
  134. <td>(</td>
  135. <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  136. <td class="paramname"><em>pSrc</em>, </td>
  137. </tr>
  138. <tr>
  139. <td class="paramkey"></td>
  140. <td></td>
  141. <td class="paramtype">uint32_t&#160;</td>
  142. <td class="paramname"><em>fftLen</em>, </td>
  143. </tr>
  144. <tr>
  145. <td class="paramkey"></td>
  146. <td></td>
  147. <td class="paramtype">uint16_t&#160;</td>
  148. <td class="paramname"><em>bitRevFactor</em>, </td>
  149. </tr>
  150. <tr>
  151. <td class="paramkey"></td>
  152. <td></td>
  153. <td class="paramtype">uint16_t *&#160;</td>
  154. <td class="paramname"><em>pBitRevTab</em>&#160;</td>
  155. </tr>
  156. <tr>
  157. <td></td>
  158. <td>)</td>
  159. <td></td><td></td>
  160. </tr>
  161. </table>
  162. </div><div class="memdoc">
  163. </div>
  164. </div>
  165. <a class="anchor" id="a4d665f67080455b95cafec04009fd52d"></a>
  166. <div class="memitem">
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  168. <table class="memname">
  169. <tr>
  170. <td class="memname">void arm_radix2_butterfly_inverse_q31 </td>
  171. <td>(</td>
  172. <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  173. <td class="paramname"><em>pSrc</em>, </td>
  174. </tr>
  175. <tr>
  176. <td class="paramkey"></td>
  177. <td></td>
  178. <td class="paramtype">uint32_t&#160;</td>
  179. <td class="paramname"><em>fftLen</em>, </td>
  180. </tr>
  181. <tr>
  182. <td class="paramkey"></td>
  183. <td></td>
  184. <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  185. <td class="paramname"><em>pCoef</em>, </td>
  186. </tr>
  187. <tr>
  188. <td class="paramkey"></td>
  189. <td></td>
  190. <td class="paramtype">uint16_t&#160;</td>
  191. <td class="paramname"><em>twidCoefModifier</em>&#160;</td>
  192. </tr>
  193. <tr>
  194. <td></td>
  195. <td>)</td>
  196. <td></td><td></td>
  197. </tr>
  198. </table>
  199. </div><div class="memdoc">
  200. <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>
  201. <p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31()</a>.</p>
  202. </div>
  203. </div>
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  205. <div class="memitem">
  206. <div class="memproto">
  207. <table class="memname">
  208. <tr>
  209. <td class="memname">void arm_radix2_butterfly_q31 </td>
  210. <td>(</td>
  211. <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  212. <td class="paramname"><em>pSrc</em>, </td>
  213. </tr>
  214. <tr>
  215. <td class="paramkey"></td>
  216. <td></td>
  217. <td class="paramtype">uint32_t&#160;</td>
  218. <td class="paramname"><em>fftLen</em>, </td>
  219. </tr>
  220. <tr>
  221. <td class="paramkey"></td>
  222. <td></td>
  223. <td class="paramtype"><a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> *&#160;</td>
  224. <td class="paramname"><em>pCoef</em>, </td>
  225. </tr>
  226. <tr>
  227. <td class="paramkey"></td>
  228. <td></td>
  229. <td class="paramtype">uint16_t&#160;</td>
  230. <td class="paramname"><em>twidCoefModifier</em>&#160;</td>
  231. </tr>
  232. <tr>
  233. <td></td>
  234. <td>)</td>
  235. <td></td><td></td>
  236. </tr>
  237. </table>
  238. </div><div class="memdoc">
  239. <p>end of ComplexFFT group </p>
  240. <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>
  241. <p>Referenced by <a class="el" href="group___complex_f_f_t.html#ga6321f703ec87a274aedaab33d3e766b4">arm_cfft_radix2_q31()</a>.</p>
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