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  113. <div class="title">Complex FFT Tables<div class="ingroups"><a class="el" href="group__ComplexFFT.html">Complex FFT Functions</a></div></div>  </div>
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  115. <div class="contents">
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  117. <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="var-members"></a>
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  118. Variables</h2></td></tr>
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  119. <tr class="memitem:gae247e83ad50d474107254e25b36ad42b"><td class="memItemLeft" align="right" valign="top">const uint16_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gae247e83ad50d474107254e25b36ad42b">armBitRevTable</a> [1024]</td></tr>
    120. 

  120. <tr class="memdesc:gae247e83ad50d474107254e25b36ad42b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Table for bit reversal process.  <a href="#gae247e83ad50d474107254e25b36ad42b">More...</a><br/></td></tr>
    121. 

  121. <tr class="separator:gae247e83ad50d474107254e25b36ad42b"><td class="memSeparator" colspan="2">&#160;</td></tr>
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  122. <tr class="memitem:gabeb418730eacdce077316477b7f1e960"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gabeb418730eacdce077316477b7f1e960">twiddleCoefF64_16</a> [32]</td></tr>
    123. 

  123. <tr class="memdesc:gabeb418730eacdce077316477b7f1e960"><td class="mdescLeft">&#160;</td><td class="mdescRight">Double Precision Floating-point Twiddle factors Table Generation.  <a href="#gabeb418730eacdce077316477b7f1e960">More...</a><br/></td></tr>
    124. 

  124. <tr class="separator:gabeb418730eacdce077316477b7f1e960"><td class="memSeparator" colspan="2">&#160;</td></tr>
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  125. <tr class="memitem:ga3f7d1eaff3c6910ee7d85ae1c9015fe5"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga3f7d1eaff3c6910ee7d85ae1c9015fe5">twiddleCoefF64_32</a> [64]</td></tr>
    126. 

  126. <tr class="separator:ga3f7d1eaff3c6910ee7d85ae1c9015fe5"><td class="memSeparator" colspan="2">&#160;</td></tr>
    127. 

  127. <tr class="memitem:ga6fe9e2b9200445a2313d7542c586639b"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga6fe9e2b9200445a2313d7542c586639b">twiddleCoefF64_64</a> [128]</td></tr>
    128. 

  128. <tr class="separator:ga6fe9e2b9200445a2313d7542c586639b"><td class="memSeparator" colspan="2">&#160;</td></tr>
    129. 

  129. <tr class="memitem:ga252036ff16d9125ae72f547f4565f36f"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga252036ff16d9125ae72f547f4565f36f">twiddleCoefF64_128</a> [256]</td></tr>
    130. 

  130. <tr class="separator:ga252036ff16d9125ae72f547f4565f36f"><td class="memSeparator" colspan="2">&#160;</td></tr>
    131. 

  131. <tr class="memitem:ga10e83806d2c02cc4f5f07ce46851a673"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga10e83806d2c02cc4f5f07ce46851a673">twiddleCoefF64_256</a> [512]</td></tr>
    132. 

  132. <tr class="separator:ga10e83806d2c02cc4f5f07ce46851a673"><td class="memSeparator" colspan="2">&#160;</td></tr>
    133. 

  133. <tr class="memitem:gadf57a6c3f49246e356cc72615c5dc8ba"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gadf57a6c3f49246e356cc72615c5dc8ba">twiddleCoefF64_512</a> [1024]</td></tr>
    134. 

  134. <tr class="separator:gadf57a6c3f49246e356cc72615c5dc8ba"><td class="memSeparator" colspan="2">&#160;</td></tr>
    135. 

  135. <tr class="memitem:ga6626143034266d76fafe4195cd59e9ef"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga6626143034266d76fafe4195cd59e9ef">twiddleCoefF64_1024</a> [2048]</td></tr>
    136. 

  136. <tr class="separator:ga6626143034266d76fafe4195cd59e9ef"><td class="memSeparator" colspan="2">&#160;</td></tr>
    137. 

  137. <tr class="memitem:ga0d6a794c1315cceaa884e3bdc736e576"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga0d6a794c1315cceaa884e3bdc736e576">twiddleCoefF64_2048</a> [4096]</td></tr>
    138. 

  138. <tr class="separator:ga0d6a794c1315cceaa884e3bdc736e576"><td class="memSeparator" colspan="2">&#160;</td></tr>
    139. 

  139. <tr class="memitem:gac0f43575fce0ab5e30d8731924dbc6d3"><td class="memItemLeft" align="right" valign="top">const uint64_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gac0f43575fce0ab5e30d8731924dbc6d3">twiddleCoefF64_4096</a> [8192]</td></tr>
    140. 

  140. <tr class="separator:gac0f43575fce0ab5e30d8731924dbc6d3"><td class="memSeparator" colspan="2">&#160;</td></tr>
    141. 

  141. <tr class="memitem:gae75e243ec61706427314270f222e0c8e"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gae75e243ec61706427314270f222e0c8e">twiddleCoef_16</a> [32]</td></tr>
    142. 

  142. <tr class="memdesc:gae75e243ec61706427314270f222e0c8e"><td class="mdescLeft">&#160;</td><td class="mdescRight">Floating-point Twiddle factors Table Generation.  <a href="#gae75e243ec61706427314270f222e0c8e">More...</a><br/></td></tr>
    143. 

  143. <tr class="separator:gae75e243ec61706427314270f222e0c8e"><td class="memSeparator" colspan="2">&#160;</td></tr>
    144. 

  144. <tr class="memitem:ga78a72c85d88185de98050c930cfc76e3"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga78a72c85d88185de98050c930cfc76e3">twiddleCoef_32</a> [64]</td></tr>
    145. 

  145. <tr class="separator:ga78a72c85d88185de98050c930cfc76e3"><td class="memSeparator" colspan="2">&#160;</td></tr>
    146. 

  146. <tr class="memitem:ga4f3c6d98c7e66393b4ef3ac63746e43d"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga4f3c6d98c7e66393b4ef3ac63746e43d">twiddleCoef_64</a> [128]</td></tr>
    147. 

  147. <tr class="separator:ga4f3c6d98c7e66393b4ef3ac63746e43d"><td class="memSeparator" colspan="2">&#160;</td></tr>
    148. 

  148. <tr class="memitem:ga948433536dafaac1381decfccf4e2d9c"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga948433536dafaac1381decfccf4e2d9c">twiddleCoef_128</a> [256]</td></tr>
    149. 

  149. <tr class="separator:ga948433536dafaac1381decfccf4e2d9c"><td class="memSeparator" colspan="2">&#160;</td></tr>
    150. 

  150. <tr class="memitem:gafe813758a03a798e972359a092315be4"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gafe813758a03a798e972359a092315be4">twiddleCoef_256</a> [512]</td></tr>
    151. 

  151. <tr class="separator:gafe813758a03a798e972359a092315be4"><td class="memSeparator" colspan="2">&#160;</td></tr>
    152. 

  152. <tr class="memitem:gad8830f0c068ab2cc19f2f87d220fa148"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gad8830f0c068ab2cc19f2f87d220fa148">twiddleCoef_512</a> [1024]</td></tr>
    153. 

  153. <tr class="separator:gad8830f0c068ab2cc19f2f87d220fa148"><td class="memSeparator" colspan="2">&#160;</td></tr>
    154. 

  154. <tr class="memitem:ga27c056eb130a4333d1cc5dd43ec738b1"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga27c056eb130a4333d1cc5dd43ec738b1">twiddleCoef_1024</a> [2048]</td></tr>
    155. 

  155. <tr class="separator:ga27c056eb130a4333d1cc5dd43ec738b1"><td class="memSeparator" colspan="2">&#160;</td></tr>
    156. 

  156. <tr class="memitem:ga23e7f30421a7905b21c2015429779633"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga23e7f30421a7905b21c2015429779633">twiddleCoef_2048</a> [4096]</td></tr>
    157. 

  157. <tr class="separator:ga23e7f30421a7905b21c2015429779633"><td class="memSeparator" colspan="2">&#160;</td></tr>
    158. 

  158. <tr class="memitem:gae0182d1dd3b2f21aad4e38a815a0bd40"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gae0182d1dd3b2f21aad4e38a815a0bd40">twiddleCoef_4096</a> [8192]</td></tr>
    159. 

  159. <tr class="separator:gae0182d1dd3b2f21aad4e38a815a0bd40"><td class="memSeparator" colspan="2">&#160;</td></tr>
    160. 

  160. <tr class="memitem:gaef4697e1ba348c4ac9358f2b9e279e93"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gaef4697e1ba348c4ac9358f2b9e279e93">twiddleCoef_16_q31</a> [24]</td></tr>
    161. 

  161. <tr class="memdesc:gaef4697e1ba348c4ac9358f2b9e279e93"><td class="mdescLeft">&#160;</td><td class="mdescRight">Q31 Twiddle factors Table.  <a href="#gaef4697e1ba348c4ac9358f2b9e279e93">More...</a><br/></td></tr>
    162. 

  162. <tr class="separator:gaef4697e1ba348c4ac9358f2b9e279e93"><td class="memSeparator" colspan="2">&#160;</td></tr>
    163. 

  163. <tr class="memitem:ga8ba78d5e6ef4bdc58e8f0044e0664a0a"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga8ba78d5e6ef4bdc58e8f0044e0664a0a">twiddleCoef_32_q31</a> [48]</td></tr>
    164. 

  164. <tr class="separator:ga8ba78d5e6ef4bdc58e8f0044e0664a0a"><td class="memSeparator" colspan="2">&#160;</td></tr>
    165. 

  165. <tr class="memitem:ga6e0a7e941a25a0d74b2e6590307de47e"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga6e0a7e941a25a0d74b2e6590307de47e">twiddleCoef_64_q31</a> [96]</td></tr>
    166. 

  166. <tr class="separator:ga6e0a7e941a25a0d74b2e6590307de47e"><td class="memSeparator" colspan="2">&#160;</td></tr>
    167. 

  167. <tr class="memitem:gafecf9ed9873415d9f5f17f37b30c7250"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gafecf9ed9873415d9f5f17f37b30c7250">twiddleCoef_128_q31</a> [192]</td></tr>
    168. 

  168. <tr class="separator:gafecf9ed9873415d9f5f17f37b30c7250"><td class="memSeparator" colspan="2">&#160;</td></tr>
    169. 

  169. <tr class="memitem:gaef1ea005053b715b851cf5f908168ede"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gaef1ea005053b715b851cf5f908168ede">twiddleCoef_256_q31</a> [384]</td></tr>
    170. 

  170. <tr class="separator:gaef1ea005053b715b851cf5f908168ede"><td class="memSeparator" colspan="2">&#160;</td></tr>
    171. 

  171. <tr class="memitem:ga416c61b2f08542a39111e06b0378bebe"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga416c61b2f08542a39111e06b0378bebe">twiddleCoef_512_q31</a> [768]</td></tr>
    172. 

  172. <tr class="separator:ga416c61b2f08542a39111e06b0378bebe"><td class="memSeparator" colspan="2">&#160;</td></tr>
    173. 

  173. <tr class="memitem:ga514443c44b62b8b3d240afefebcda310"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga514443c44b62b8b3d240afefebcda310">twiddleCoef_1024_q31</a> [1536]</td></tr>
    174. 

  174. <tr class="separator:ga514443c44b62b8b3d240afefebcda310"><td class="memSeparator" colspan="2">&#160;</td></tr>
    175. 

  175. <tr class="memitem:ga9c5767de9f5a409fd0c2027e6ac67179"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga9c5767de9f5a409fd0c2027e6ac67179">twiddleCoef_2048_q31</a> [3072]</td></tr>
    176. 

  176. <tr class="separator:ga9c5767de9f5a409fd0c2027e6ac67179"><td class="memSeparator" colspan="2">&#160;</td></tr>
    177. 

  177. <tr class="memitem:ga67c0890317deab3391e276f22c1fc400"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga67c0890317deab3391e276f22c1fc400">twiddleCoef_4096_q31</a> [6144]</td></tr>
    178. 

  178. <tr class="separator:ga67c0890317deab3391e276f22c1fc400"><td class="memSeparator" colspan="2">&#160;</td></tr>
    179. 

  179. <tr class="memitem:ga8e4e2e05f4a3112184c96cb3308d6c39"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga8e4e2e05f4a3112184c96cb3308d6c39">twiddleCoef_16_q15</a> [24]</td></tr>
    180. 

  180. <tr class="memdesc:ga8e4e2e05f4a3112184c96cb3308d6c39"><td class="mdescLeft">&#160;</td><td class="mdescRight">q15 Twiddle factors Table  <a href="#ga8e4e2e05f4a3112184c96cb3308d6c39">More...</a><br/></td></tr>
    181. 

  181. <tr class="separator:ga8e4e2e05f4a3112184c96cb3308d6c39"><td class="memSeparator" colspan="2">&#160;</td></tr>
    182. 

  182. <tr class="memitem:gac194a4fe04a19051ae1811f69c6e5df2"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gac194a4fe04a19051ae1811f69c6e5df2">twiddleCoef_32_q15</a> [48]</td></tr>
    183. 

  183. <tr class="separator:gac194a4fe04a19051ae1811f69c6e5df2"><td class="memSeparator" colspan="2">&#160;</td></tr>
    184. 

  184. <tr class="memitem:gaa0cc411e0b3c82078e85cfdf1b84290f"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gaa0cc411e0b3c82078e85cfdf1b84290f">twiddleCoef_64_q15</a> [96]</td></tr>
    185. 

  185. <tr class="separator:gaa0cc411e0b3c82078e85cfdf1b84290f"><td class="memSeparator" colspan="2">&#160;</td></tr>
    186. 

  186. <tr class="memitem:gabfdd1c5cd2b3f96da5fe5f07c707a8e5"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gabfdd1c5cd2b3f96da5fe5f07c707a8e5">twiddleCoef_128_q15</a> [192]</td></tr>
    187. 

  187. <tr class="separator:gabfdd1c5cd2b3f96da5fe5f07c707a8e5"><td class="memSeparator" colspan="2">&#160;</td></tr>
    188. 

  188. <tr class="memitem:ga6099ae5262a0a3a8d9ce1e6da02f0c2e"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga6099ae5262a0a3a8d9ce1e6da02f0c2e">twiddleCoef_256_q15</a> [384]</td></tr>
    189. 

  189. <tr class="separator:ga6099ae5262a0a3a8d9ce1e6da02f0c2e"><td class="memSeparator" colspan="2">&#160;</td></tr>
    190. 

  190. <tr class="memitem:ga6152621af210f847128c6f38958fa385"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga6152621af210f847128c6f38958fa385">twiddleCoef_512_q15</a> [768]</td></tr>
    191. 

  191. <tr class="separator:ga6152621af210f847128c6f38958fa385"><td class="memSeparator" colspan="2">&#160;</td></tr>
    192. 

  192. <tr class="memitem:ga8a0ec95d866fe96b740e77d6e1356b59"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga8a0ec95d866fe96b740e77d6e1356b59">twiddleCoef_1024_q15</a> [1536]</td></tr>
    193. 

  193. <tr class="separator:ga8a0ec95d866fe96b740e77d6e1356b59"><td class="memSeparator" colspan="2">&#160;</td></tr>
    194. 

  194. <tr class="memitem:gadd16ce08ffd1048c385e0534a3b19cbb"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#gadd16ce08ffd1048c385e0534a3b19cbb">twiddleCoef_2048_q15</a> [3072]</td></tr>
    195. 

  195. <tr class="separator:gadd16ce08ffd1048c385e0534a3b19cbb"><td class="memSeparator" colspan="2">&#160;</td></tr>
    196. 

  196. <tr class="memitem:ga9b409d6995eab17805b1d1881d4bc652"><td class="memItemLeft" align="right" valign="top">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="group__CFFT__CIFFT.html#ga9b409d6995eab17805b1d1881d4bc652">twiddleCoef_4096_q15</a> [6144]</td></tr>
    197. 

  197. <tr class="separator:ga9b409d6995eab17805b1d1881d4bc652"><td class="memSeparator" colspan="2">&#160;</td></tr>
    198. 

  198. </table>
    199. 

  199. <a name="details" id="details"></a><h2 class="groupheader">Description</h2>
    200. 

  200. <h2 class="groupheader">Variable Documentation</h2>
    201. 

  201. <a class="anchor" id="gae247e83ad50d474107254e25b36ad42b"></a>
    202. 

  202. <div class="memitem">
    203. 

  203. <div class="memproto">
    204. 

  204.       <table class="memname">
    205. 

  205.         <tr>
    206. 

  206.           <td class="memname">const uint16_t armBitRevTable[1024]</td>
    207. 

  207.         </tr>
    208. 

  208.       </table>
    209. 

  209. </div><div class="memdoc">
    210. 

  210. <dl class="section user"><dt></dt><dd>Pseudo code for Generation of Bit reversal Table is </dd></dl>
    211. 

  211. <dl class="section user"><dt></dt><dd><pre>for (l = 1; l &lt;= N/4; l++)
    212. 

  212. {
    213. 

  213.   for (i = 0; i&lt; logN2; i++)
    214. 

  214.   {
    215. 

  215.     a[i] = l &amp; (1 &lt;&lt; i);
    216. 

  216.   }
    217. 

  217.   for (j = 0; j &lt; logN2; j++)
    218. 

  218.   {
    219. 

  219.     if (a[j] != 0)
    220. 

  220.     y[l] += (1 &lt;&lt; ((logN2 - 1) - j));
    221. 

  221.   }
    222. 

  222.   y[l] = y[l] &gt;&gt; 1;
    223. 

  223.  } </pre> </dd></dl>
    224. 

  224. <dl class="section user"><dt></dt><dd>where N = 4096, logN2 = 12 </dd></dl>
    225. 

  225. <dl class="section user"><dt></dt><dd>N is the maximum FFT Size supported </dd></dl>
    226. 

  226. 

  227. </div>
    228. 

  228. </div>
    229. 

  229. <a class="anchor" id="ga27c056eb130a4333d1cc5dd43ec738b1"></a>
    230. 

  230. <div class="memitem">
    231. 

  231. <div class="memproto">
    232. 

  232.       <table class="memname">
    233. 

  233.         <tr>
    234. 

  234.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_1024[2048]</td>
    235. 

  235.         </tr>
    236. 

  236.       </table>
    237. 

  237. </div><div class="memdoc">
    238. 

  238. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    239. 

  239. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    240. 

  240. {
    241. 

  241.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    242. 

  242.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    243. 

  243. } </pre> </dd></dl>
    244. 

  244. <dl class="section user"><dt></dt><dd>where N = 1024, PI = 3.14159265358979 </dd></dl>
    245. 

  245. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    246. 

  246. 

  247. </div>
    248. 

  248. </div>
    249. 

  249. <a class="anchor" id="ga8a0ec95d866fe96b740e77d6e1356b59"></a>
    250. 

  250. <div class="memitem">
    251. 

  251. <div class="memproto">
    252. 

  252.       <table class="memname">
    253. 

  253.         <tr>
    254. 

  254.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_1024_q15[1536]</td>
    255. 

  255.         </tr>
    256. 

  256.       </table>
    257. 

  257. </div><div class="memdoc">
    258. 

  258. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    259. 

  259. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    260. 

  260. {
    261. 

  261.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    262. 

  262.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    263. 

  263. } </pre> </dd></dl>
    264. 

  264. <dl class="section user"><dt></dt><dd>where N = 1024, PI = 3.14159265358979 </dd></dl>
    265. 

  265. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    266. 

  266. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    267. 

  267. 

  268. </div>
    269. 

  269. </div>
    270. 

  270. <a class="anchor" id="ga514443c44b62b8b3d240afefebcda310"></a>
    271. 

  271. <div class="memitem">
    272. 

  272. <div class="memproto">
    273. 

  273.       <table class="memname">
    274. 

  274.         <tr>
    275. 

  275.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_1024_q31[1536]</td>
    276. 

  276.         </tr>
    277. 

  277.       </table>
    278. 

  278. </div><div class="memdoc">
    279. 

  279. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    280. 

  280. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    281. 

  281. {
    282. 

  282.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    283. 

  283.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    284. 

  284. } </pre> </dd></dl>
    285. 

  285. <dl class="section user"><dt></dt><dd>where N = 1024, PI = 3.14159265358979 </dd></dl>
    286. 

  286. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    287. 

  287. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    288. 

  288. 

  289. </div>
    290. 

  290. </div>
    291. 

  291. <a class="anchor" id="ga948433536dafaac1381decfccf4e2d9c"></a>
    292. 

  292. <div class="memitem">
    293. 

  293. <div class="memproto">
    294. 

  294.       <table class="memname">
    295. 

  295.         <tr>
    296. 

  296.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_128[256]</td>
    297. 

  297.         </tr>
    298. 

  298.       </table>
    299. 

  299. </div><div class="memdoc">
    300. 

  300. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    301. 

  301. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    302. 

  302. {
    303. 

  303.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    304. 

  304.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    305. 

  305. } </pre> </dd></dl>
    306. 

  306. <dl class="section user"><dt></dt><dd>where N = 128, PI = 3.14159265358979 </dd></dl>
    307. 

  307. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    308. 

  308. 

  309. </div>
    310. 

  310. </div>
    311. 

  311. <a class="anchor" id="gabfdd1c5cd2b3f96da5fe5f07c707a8e5"></a>
    312. 

  312. <div class="memitem">
    313. 

  313. <div class="memproto">
    314. 

  314.       <table class="memname">
    315. 

  315.         <tr>
    316. 

  316.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_128_q15[192]</td>
    317. 

  317.         </tr>
    318. 

  318.       </table>
    319. 

  319. </div><div class="memdoc">
    320. 

  320. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    321. 

  321. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    322. 

  322. {
    323. 

  323.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    324. 

  324.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    325. 

  325. } </pre> </dd></dl>
    326. 

  326. <dl class="section user"><dt></dt><dd>where N = 128, PI = 3.14159265358979 </dd></dl>
    327. 

  327. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    328. 

  328. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    329. 

  329. 

  330. </div>
    331. 

  331. </div>
    332. 

  332. <a class="anchor" id="gafecf9ed9873415d9f5f17f37b30c7250"></a>
    333. 

  333. <div class="memitem">
    334. 

  334. <div class="memproto">
    335. 

  335.       <table class="memname">
    336. 

  336.         <tr>
    337. 

  337.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_128_q31[192]</td>
    338. 

  338.         </tr>
    339. 

  339.       </table>
    340. 

  340. </div><div class="memdoc">
    341. 

  341. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    342. 

  342. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i &lt; 3N/4; i++)
    343. 

  343. {
    344. 

  344.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    345. 

  345.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    346. 

  346. } </pre> </dd></dl>
    347. 

  347. <dl class="section user"><dt></dt><dd>where N = 128, PI = 3.14159265358979 </dd></dl>
    348. 

  348. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    349. 

  349. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    350. 

  350. 

  351. </div>
    352. 

  352. </div>
    353. 

  353. <a class="anchor" id="gae75e243ec61706427314270f222e0c8e"></a>
    354. 

  354. <div class="memitem">
    355. 

  355. <div class="memproto">
    356. 

  356.       <table class="memname">
    357. 

  357.         <tr>
    358. 

  358.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_16[32]</td>
    359. 

  359.         </tr>
    360. 

  360.       </table>
    361. 

  361. </div><div class="memdoc">
    362. 

  362. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    363. 

  363. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i &lt; N/; i++)
    364. 

  364. {
    365. 

  365.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    366. 

  366.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    367. 

  367. } </pre> </dd></dl>
    368. 

  368. <dl class="section user"><dt></dt><dd>where N = 16, PI = 3.14159265358979 </dd></dl>
    369. 

  369. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    370. 

  370. 

  371. </div>
    372. 

  372. </div>
    373. 

  373. <a class="anchor" id="ga8e4e2e05f4a3112184c96cb3308d6c39"></a>
    374. 

  374. <div class="memitem">
    375. 

  375. <div class="memproto">
    376. 

  376.       <table class="memname">
    377. 

  377.         <tr>
    378. 

  378.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_16_q15[24]</td>
    379. 

  379.         </tr>
    380. 

  380.       </table>
    381. 

  381. </div><div class="memdoc">
    382. 

  382. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    383. 

  383. <dl class="section user"><dt></dt><dd><pre>fori = 0; i&lt; 3N/4; i++)
    384. 

  384. {
    385. 

  385.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    386. 

  386.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    387. 

  387. } </pre> </dd></dl>
    388. 

  388. <dl class="section user"><dt></dt><dd>where N = 16, PI = 3.14159265358979 </dd></dl>
    389. 

  389. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    390. 

  390. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    391. 

  391. 

  392. </div>
    393. 

  393. </div>
    394. 

  394. <a class="anchor" id="gaef4697e1ba348c4ac9358f2b9e279e93"></a>
    395. 

  395. <div class="memitem">
    396. 

  396. <div class="memproto">
    397. 

  397.       <table class="memname">
    398. 

  398.         <tr>
    399. 

  399.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_16_q31[24]</td>
    400. 

  400.         </tr>
    401. 

  401.       </table>
    402. 

  402. </div><div class="memdoc">
    403. 

  403. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    404. 

  404. <dl class="section user"><dt></dt><dd><pre> for(i = 0; i&lt; 3N/4; i++)
    405. 

  405. {
    406. 

  406.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    407. 

  407.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    408. 

  408. } </pre> </dd></dl>
    409. 

  409. <dl class="section user"><dt></dt><dd>where N = 16, PI = 3.14159265358979 </dd></dl>
    410. 

  410. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    411. 

  411. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    412. 

  412. 

  413. </div>
    414. 

  414. </div>
    415. 

  415. <a class="anchor" id="ga23e7f30421a7905b21c2015429779633"></a>
    416. 

  416. <div class="memitem">
    417. 

  417. <div class="memproto">
    418. 

  418.       <table class="memname">
    419. 

  419.         <tr>
    420. 

  420.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_2048[4096]</td>
    421. 

  421.         </tr>
    422. 

  422.       </table>
    423. 

  423. </div><div class="memdoc">
    424. 

  424. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    425. 

  425. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    426. 

  426. {
    427. 

  427.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    428. 

  428.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    429. 

  429. } </pre> </dd></dl>
    430. 

  430. <dl class="section user"><dt></dt><dd>where N = 2048, PI = 3.14159265358979 </dd></dl>
    431. 

  431. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    432. 

  432. 

  433. </div>
    434. 

  434. </div>
    435. 

  435. <a class="anchor" id="gadd16ce08ffd1048c385e0534a3b19cbb"></a>
    436. 

  436. <div class="memitem">
    437. 

  437. <div class="memproto">
    438. 

  438.       <table class="memname">
    439. 

  439.         <tr>
    440. 

  440.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_2048_q15[3072]</td>
    441. 

  441.         </tr>
    442. 

  442.       </table>
    443. 

  443. </div><div class="memdoc">
    444. 

  444. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    445. 

  445. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    446. 

  446. {
    447. 

  447.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    448. 

  448.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    449. 

  449. } </pre> </dd></dl>
    450. 

  450. <dl class="section user"><dt></dt><dd>where N = 2048, PI = 3.14159265358979 </dd></dl>
    451. 

  451. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    452. 

  452. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    453. 

  453. 

  454. </div>
    455. 

  455. </div>
    456. 

  456. <a class="anchor" id="ga9c5767de9f5a409fd0c2027e6ac67179"></a>
    457. 

  457. <div class="memitem">
    458. 

  458. <div class="memproto">
    459. 

  459.       <table class="memname">
    460. 

  460.         <tr>
    461. 

  461.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_2048_q31[3072]</td>
    462. 

  462.         </tr>
    463. 

  463.       </table>
    464. 

  464. </div><div class="memdoc">
    465. 

  465. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    466. 

  466. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    467. 

  467. {
    468. 

  468.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    469. 

  469.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    470. 

  470. } </pre> </dd></dl>
    471. 

  471. <dl class="section user"><dt></dt><dd>where N = 2048, PI = 3.14159265358979 </dd></dl>
    472. 

  472. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    473. 

  473. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    474. 

  474. 

  475. </div>
    476. 

  476. </div>
    477. 

  477. <a class="anchor" id="gafe813758a03a798e972359a092315be4"></a>
    478. 

  478. <div class="memitem">
    479. 

  479. <div class="memproto">
    480. 

  480.       <table class="memname">
    481. 

  481.         <tr>
    482. 

  482.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_256[512]</td>
    483. 

  483.         </tr>
    484. 

  484.       </table>
    485. 

  485. </div><div class="memdoc">
    486. 

  486. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    487. 

  487. <dl class="section user"><dt></dt><dd><pre>for(i = 0; i&lt; N/; i++)
    488. 

  488. {
    489. 

  489.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    490. 

  490.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    491. 

  491. } </pre> </dd></dl>
    492. 

  492. <dl class="section user"><dt></dt><dd>where N = 256, PI = 3.14159265358979 </dd></dl>
    493. 

  493. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    494. 

  494. 

  495. </div>
    496. 

  496. </div>
    497. 

  497. <a class="anchor" id="ga6099ae5262a0a3a8d9ce1e6da02f0c2e"></a>
    498. 

  498. <div class="memitem">
    499. 

  499. <div class="memproto">
    500. 

  500.       <table class="memname">
    501. 

  501.         <tr>
    502. 

  502.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_256_q15[384]</td>
    503. 

  503.         </tr>
    504. 

  504.       </table>
    505. 

  505. </div><div class="memdoc">
    506. 

  506. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    507. 

  507. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    508. 

  508. {
    509. 

  509.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    510. 

  510.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    511. 

  511. } </pre> </dd></dl>
    512. 

  512. <dl class="section user"><dt></dt><dd>where N = 256, PI = 3.14159265358979 </dd></dl>
    513. 

  513. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    514. 

  514. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    515. 

  515. 

  516. </div>
    517. 

  517. </div>
    518. 

  518. <a class="anchor" id="gaef1ea005053b715b851cf5f908168ede"></a>
    519. 

  519. <div class="memitem">
    520. 

  520. <div class="memproto">
    521. 

  521.       <table class="memname">
    522. 

  522.         <tr>
    523. 

  523.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_256_q31[384]</td>
    524. 

  524.         </tr>
    525. 

  525.       </table>
    526. 

  526. </div><div class="memdoc">
    527. 

  527. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    528. 

  528. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    529. 

  529. {
    530. 

  530.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    531. 

  531.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    532. 

  532. } </pre> </dd></dl>
    533. 

  533. <dl class="section user"><dt></dt><dd>where N = 256, PI = 3.14159265358979 </dd></dl>
    534. 

  534. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    535. 

  535. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    536. 

  536. 

  537. </div>
    538. 

  538. </div>
    539. 

  539. <a class="anchor" id="ga78a72c85d88185de98050c930cfc76e3"></a>
    540. 

  540. <div class="memitem">
    541. 

  541. <div class="memproto">
    542. 

  542.       <table class="memname">
    543. 

  543.         <tr>
    544. 

  544.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_32[64]</td>
    545. 

  545.         </tr>
    546. 

  546.       </table>
    547. 

  547. </div><div class="memdoc">
    548. 

  548. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    549. 

  549. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    550. 

  550. {
    551. 

  551.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    552. 

  552.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    553. 

  553. } </pre> </dd></dl>
    554. 

  554. <dl class="section user"><dt></dt><dd>where N = 32, PI = 3.14159265358979 </dd></dl>
    555. 

  555. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    556. 

  556. 

  557. </div>
    558. 

  558. </div>
    559. 

  559. <a class="anchor" id="gac194a4fe04a19051ae1811f69c6e5df2"></a>
    560. 

  560. <div class="memitem">
    561. 

  561. <div class="memproto">
    562. 

  562.       <table class="memname">
    563. 

  563.         <tr>
    564. 

  564.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_32_q15[48]</td>
    565. 

  565.         </tr>
    566. 

  566.       </table>
    567. 

  567. </div><div class="memdoc">
    568. 

  568. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    569. 

  569. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    570. 

  570. {
    571. 

  571.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    572. 

  572.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    573. 

  573. } </pre> </dd></dl>
    574. 

  574. <dl class="section user"><dt></dt><dd>where N = 32, PI = 3.14159265358979 </dd></dl>
    575. 

  575. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    576. 

  576. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    577. 

  577. 

  578. </div>
    579. 

  579. </div>
    580. 

  580. <a class="anchor" id="ga8ba78d5e6ef4bdc58e8f0044e0664a0a"></a>
    581. 

  581. <div class="memitem">
    582. 

  582. <div class="memproto">
    583. 

  583.       <table class="memname">
    584. 

  584.         <tr>
    585. 

  585.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_32_q31[48]</td>
    586. 

  586.         </tr>
    587. 

  587.       </table>
    588. 

  588. </div><div class="memdoc">
    589. 

  589. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    590. 

  590. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    591. 

  591. {
    592. 

  592.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    593. 

  593.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    594. 

  594. } </pre> </dd></dl>
    595. 

  595. <dl class="section user"><dt></dt><dd>where N = 32, PI = 3.14159265358979 </dd></dl>
    596. 

  596. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    597. 

  597. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    598. 

  598. 

  599. </div>
    600. 

  600. </div>
    601. 

  601. <a class="anchor" id="gae0182d1dd3b2f21aad4e38a815a0bd40"></a>
    602. 

  602. <div class="memitem">
    603. 

  603. <div class="memproto">
    604. 

  604.       <table class="memname">
    605. 

  605.         <tr>
    606. 

  606.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_4096[8192]</td>
    607. 

  607.         </tr>
    608. 

  608.       </table>
    609. 

  609. </div><div class="memdoc">
    610. 

  610. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    611. 

  611. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    612. 

  612. {
    613. 

  613.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    614. 

  614.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    615. 

  615. } </pre> </dd></dl>
    616. 

  616. <dl class="section user"><dt></dt><dd>where N = 4096, PI = 3.14159265358979 </dd></dl>
    617. 

  617. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    618. 

  618. 

  619. </div>
    620. 

  620. </div>
    621. 

  621. <a class="anchor" id="ga9b409d6995eab17805b1d1881d4bc652"></a>
    622. 

  622. <div class="memitem">
    623. 

  623. <div class="memproto">
    624. 

  624.       <table class="memname">
    625. 

  625.         <tr>
    626. 

  626.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_4096_q15[6144]</td>
    627. 

  627.         </tr>
    628. 

  628.       </table>
    629. 

  629. </div><div class="memdoc">
    630. 

  630. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    631. 

  631. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    632. 

  632. {
    633. 

  633.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    634. 

  634.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    635. 

  635. } </pre> </dd></dl>
    636. 

  636. <dl class="section user"><dt></dt><dd>where N = 4096, PI = 3.14159265358979 </dd></dl>
    637. 

  637. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    638. 

  638. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    639. 

  639. 

  640. </div>
    641. 

  641. </div>
    642. 

  642. <a class="anchor" id="ga67c0890317deab3391e276f22c1fc400"></a>
    643. 

  643. <div class="memitem">
    644. 

  644. <div class="memproto">
    645. 

  645.       <table class="memname">
    646. 

  646.         <tr>
    647. 

  647.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_4096_q31[6144]</td>
    648. 

  648.         </tr>
    649. 

  649.       </table>
    650. 

  650. </div><div class="memdoc">
    651. 

  651. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    652. 

  652. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    653. 

  653. {
    654. 

  654.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    655. 

  655.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    656. 

  656. } </pre> </dd></dl>
    657. 

  657. <dl class="section user"><dt></dt><dd>where N = 4096, PI = 3.14159265358979 </dd></dl>
    658. 

  658. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    659. 

  659. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    660. 

  660. 

  661. </div>
    662. 

  662. </div>
    663. 

  663. <a class="anchor" id="gad8830f0c068ab2cc19f2f87d220fa148"></a>
    664. 

  664. <div class="memitem">
    665. 

  665. <div class="memproto">
    666. 

  666.       <table class="memname">
    667. 

  667.         <tr>
    668. 

  668.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_512[1024]</td>
    669. 

  669.         </tr>
    670. 

  670.       </table>
    671. 

  671. </div><div class="memdoc">
    672. 

  672. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    673. 

  673. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    674. 

  674. {
    675. 

  675.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    676. 

  676.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    677. 

  677. } </pre> </dd></dl>
    678. 

  678. <dl class="section user"><dt></dt><dd>where N = 512, PI = 3.14159265358979 </dd></dl>
    679. 

  679. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    680. 

  680. 

  681. </div>
    682. 

  682. </div>
    683. 

  683. <a class="anchor" id="ga6152621af210f847128c6f38958fa385"></a>
    684. 

  684. <div class="memitem">
    685. 

  685. <div class="memproto">
    686. 

  686.       <table class="memname">
    687. 

  687.         <tr>
    688. 

  688.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_512_q15[768]</td>
    689. 

  689.         </tr>
    690. 

  690.       </table>
    691. 

  691. </div><div class="memdoc">
    692. 

  692. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    693. 

  693. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    694. 

  694. {
    695. 

  695.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    696. 

  696.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    697. 

  697. } </pre> </dd></dl>
    698. 

  698. <dl class="section user"><dt></dt><dd>where N = 512, PI = 3.14159265358979 </dd></dl>
    699. 

  699. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    700. 

  700. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    701. 

  701. 

  702. </div>
    703. 

  703. </div>
    704. 

  704. <a class="anchor" id="ga416c61b2f08542a39111e06b0378bebe"></a>
    705. 

  705. <div class="memitem">
    706. 

  706. <div class="memproto">
    707. 

  707.       <table class="memname">
    708. 

  708.         <tr>
    709. 

  709.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_512_q31[768]</td>
    710. 

  710.         </tr>
    711. 

  711.       </table>
    712. 

  712. </div><div class="memdoc">
    713. 

  713. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    714. 

  714. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    715. 

  715. {
    716. 

  716.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    717. 

  717.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    718. 

  718. } </pre> </dd></dl>
    719. 

  719. <dl class="section user"><dt></dt><dd>where N = 512, PI = 3.14159265358979 </dd></dl>
    720. 

  720. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    721. 

  721. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    722. 

  722. 

  723. </div>
    724. 

  724. </div>
    725. 

  725. <a class="anchor" id="ga4f3c6d98c7e66393b4ef3ac63746e43d"></a>
    726. 

  726. <div class="memitem">
    727. 

  727. <div class="memproto">
    728. 

  728.       <table class="memname">
    729. 

  729.         <tr>
    730. 

  730.           <td class="memname">const <a class="el" href="arm__math_8h.html#a4611b605e45ab401f02cab15c5e38715">float32_t</a> twiddleCoef_64[128]</td>
    731. 

  731.         </tr>
    732. 

  732.       </table>
    733. 

  733. </div><div class="memdoc">
    734. 

  734. <dl class="section user"><dt></dt><dd>Example code for Floating-point Twiddle factors Generation: </dd></dl>
    735. 

  735. <dl class="section user"><dt></dt><dd><pre>for(i = 0; i &lt; N/; i++)
    736. 

  736. {
    737. 

  737.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    738. 

  738.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    739. 

  739. } </pre> </dd></dl>
    740. 

  740. <dl class="section user"><dt></dt><dd>where N = 64, PI = 3.14159265358979 </dd></dl>
    741. 

  741. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    742. 

  742. 

  743. </div>
    744. 

  744. </div>
    745. 

  745. <a class="anchor" id="gaa0cc411e0b3c82078e85cfdf1b84290f"></a>
    746. 

  746. <div class="memitem">
    747. 

  747. <div class="memproto">
    748. 

  748.       <table class="memname">
    749. 

  749.         <tr>
    750. 

  750.           <td class="memname">const <a class="el" href="arm__math_8h.html#ab5a8fb21a5b3b983d5f54f31614052ea">q15_t</a> twiddleCoef_64_q15[96]</td>
    751. 

  751.         </tr>
    752. 

  752.       </table>
    753. 

  753. </div><div class="memdoc">
    754. 

  754. <dl class="section user"><dt></dt><dd>Example code for q15 Twiddle factors Generation:: </dd></dl>
    755. 

  755. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    756. 

  756. {
    757. 

  757.    twiddleCoefq15[2*i]   = cos(i * 2*PI/(float)N);
    758. 

  758.    twiddleCoefq15[2*i+1] = sin(i * 2*PI/(float)N);
    759. 

  759. } </pre> </dd></dl>
    760. 

  760. <dl class="section user"><dt></dt><dd>where N = 64, PI = 3.14159265358979 </dd></dl>
    761. 

  761. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    762. 

  762. <dl class="section user"><dt></dt><dd>Convert Floating point to q15(Fixed point 1.15): round(twiddleCoefq15(i) * pow(2, 15)) </dd></dl>
    763. 

  763. 

  764. </div>
    765. 

  765. </div>
    766. 

  766. <a class="anchor" id="ga6e0a7e941a25a0d74b2e6590307de47e"></a>
    767. 

  767. <div class="memitem">
    768. 

  768. <div class="memproto">
    769. 

  769.       <table class="memname">
    770. 

  770.         <tr>
    771. 

  771.           <td class="memname">const <a class="el" href="arm__math_8h.html#adc89a3547f5324b7b3b95adec3806bc0">q31_t</a> twiddleCoef_64_q31[96]</td>
    772. 

  772.         </tr>
    773. 

  773.       </table>
    774. 

  774. </div><div class="memdoc">
    775. 

  775. <dl class="section user"><dt></dt><dd>Example code for Q31 Twiddle factors Generation:: </dd></dl>
    776. 

  776. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; 3N/4; i++)
    777. 

  777. {
    778. 

  778.    twiddleCoefQ31[2*i]   = cos(i * 2*PI/(float)N);
    779. 

  779.    twiddleCoefQ31[2*i+1] = sin(i * 2*PI/(float)N);
    780. 

  780. } </pre> </dd></dl>
    781. 

  781. <dl class="section user"><dt></dt><dd>where N = 64, PI = 3.14159265358979 </dd></dl>
    782. 

  782. <dl class="section user"><dt></dt><dd>Cos and Sin values are interleaved fashion </dd></dl>
    783. 

  783. <dl class="section user"><dt></dt><dd>Convert Floating point to Q31(Fixed point 1.31): round(twiddleCoefQ31(i) * pow(2, 31)) </dd></dl>
    784. 

  784. 

  785. </div>
    786. 

  786. </div>
    787. 

  787. <a class="anchor" id="ga6626143034266d76fafe4195cd59e9ef"></a>
    788. 

  788. <div class="memitem">
    789. 

  789. <div class="memproto">
    790. 

  790.       <table class="memname">
    791. 

  791.         <tr>
    792. 

  792.           <td class="memname">const uint64_t twiddleCoefF64_1024[2048]</td>
    793. 

  793.         </tr>
    794. 

  794.       </table>
    795. 

  795. </div><div class="memdoc">
    796. 

  796. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    797. 

  797. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    798. 

  798. {
    799. 

  799.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    800. 

  800.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    801. 

  801. } </pre> </dd></dl>
    802. 

  802. <dl class="section user"><dt></dt><dd>where N = 1024, PI = 3.14159265358979 </dd></dl>
    803. 

  803. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    804. 

  804. 

  805. </div>
    806. 

  806. </div>
    807. 

  807. <a class="anchor" id="ga252036ff16d9125ae72f547f4565f36f"></a>
    808. 

  808. <div class="memitem">
    809. 

  809. <div class="memproto">
    810. 

  810.       <table class="memname">
    811. 

  811.         <tr>
    812. 

  812.           <td class="memname">const uint64_t twiddleCoefF64_128[256]</td>
    813. 

  813.         </tr>
    814. 

  814.       </table>
    815. 

  815. </div><div class="memdoc">
    816. 

  816. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    817. 

  817. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    818. 

  818. {
    819. 

  819.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    820. 

  820.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    821. 

  821. } </pre> </dd></dl>
    822. 

  822. <dl class="section user"><dt></dt><dd>where N = 128, PI = 3.14159265358979 </dd></dl>
    823. 

  823. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    824. 

  824. 

  825. </div>
    826. 

  826. </div>
    827. 

  827. <a class="anchor" id="gabeb418730eacdce077316477b7f1e960"></a>
    828. 

  828. <div class="memitem">
    829. 

  829. <div class="memproto">
    830. 

  830.       <table class="memname">
    831. 

  831.         <tr>
    832. 

  832.           <td class="memname">const uint64_t twiddleCoefF64_16[32]</td>
    833. 

  833.         </tr>
    834. 

  834.       </table>
    835. 

  835. </div><div class="memdoc">
    836. 

  836. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    837. 

  837. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i &lt; N/; i++)
    838. 

  838. {
    839. 

  839.       twiddleCoef[2*i]   = cos(i * 2*PI/(double)N);
    840. 

  840.       twiddleCoef[2*i+1] = sin(i * 2*PI/(double)N);
    841. 

  841. } </pre> </dd></dl>
    842. 

  842. <dl class="section user"><dt></dt><dd>where N = 16, PI = 3.14159265358979 </dd></dl>
    843. 

  843. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    844. 

  844. 

  845. </div>
    846. 

  846. </div>
    847. 

  847. <a class="anchor" id="ga0d6a794c1315cceaa884e3bdc736e576"></a>
    848. 

  848. <div class="memitem">
    849. 

  849. <div class="memproto">
    850. 

  850.       <table class="memname">
    851. 

  851.         <tr>
    852. 

  852.           <td class="memname">const uint64_t twiddleCoefF64_2048[4096]</td>
    853. 

  853.         </tr>
    854. 

  854.       </table>
    855. 

  855. </div><div class="memdoc">
    856. 

  856. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    857. 

  857. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    858. 

  858. {
    859. 

  859.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    860. 

  860.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    861. 

  861. } </pre> </dd></dl>
    862. 

  862. <dl class="section user"><dt></dt><dd>where N = 2048, PI = 3.14159265358979 </dd></dl>
    863. 

  863. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    864. 

  864. 

  865. </div>
    866. 

  866. </div>
    867. 

  867. <a class="anchor" id="ga10e83806d2c02cc4f5f07ce46851a673"></a>
    868. 

  868. <div class="memitem">
    869. 

  869. <div class="memproto">
    870. 

  870.       <table class="memname">
    871. 

  871.         <tr>
    872. 

  872.           <td class="memname">const uint64_t twiddleCoefF64_256[512]</td>
    873. 

  873.         </tr>
    874. 

  874.       </table>
    875. 

  875. </div><div class="memdoc">
    876. 

  876. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    877. 

  877. <dl class="section user"><dt></dt><dd><pre>for(i = 0; i&lt; N/; i++)
    878. 

  878. {
    879. 

  879.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    880. 

  880.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    881. 

  881. } </pre> </dd></dl>
    882. 

  882. <dl class="section user"><dt></dt><dd>where N = 256, PI = 3.14159265358979 </dd></dl>
    883. 

  883. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    884. 

  884. 

  885. </div>
    886. 

  886. </div>
    887. 

  887. <a class="anchor" id="ga3f7d1eaff3c6910ee7d85ae1c9015fe5"></a>
    888. 

  888. <div class="memitem">
    889. 

  889. <div class="memproto">
    890. 

  890.       <table class="memname">
    891. 

  891.         <tr>
    892. 

  892.           <td class="memname">const uint64_t twiddleCoefF64_32[64]</td>
    893. 

  893.         </tr>
    894. 

  894.       </table>
    895. 

  895. </div><div class="memdoc">
    896. 

  896. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    897. 

  897. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    898. 

  898. {
    899. 

  899.       twiddleCoef[2*i]   = cos(i * 2*PI/N);
    900. 

  900.       twiddleCoef[2*i+1] = sin(i * 2*PI/N);
    901. 

  901. } </pre> </dd></dl>
    902. 

  902. <dl class="section user"><dt></dt><dd>where N = 32, PI = 3.14159265358979 </dd></dl>
    903. 

  903. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    904. 

  904. 

  905. </div>
    906. 

  906. </div>
    907. 

  907. <a class="anchor" id="gac0f43575fce0ab5e30d8731924dbc6d3"></a>
    908. 

  908. <div class="memitem">
    909. 

  909. <div class="memproto">
    910. 

  910.       <table class="memname">
    911. 

  911.         <tr>
    912. 

  912.           <td class="memname">const uint64_t twiddleCoefF64_4096[8192]</td>
    913. 

  913.         </tr>
    914. 

  914.       </table>
    915. 

  915. </div><div class="memdoc">
    916. 

  916. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    917. 

  917. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    918. 

  918. {
    919. 

  919.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    920. 

  920.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    921. 

  921. } </pre> </dd></dl>
    922. 

  922. <dl class="section user"><dt></dt><dd>where N = 4096, PI = 3.14159265358979 </dd></dl>
    923. 

  923. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    924. 

  924. 

  925. </div>
    926. 

  926. </div>
    927. 

  927. <a class="anchor" id="gadf57a6c3f49246e356cc72615c5dc8ba"></a>
    928. 

  928. <div class="memitem">
    929. 

  929. <div class="memproto">
    930. 

  930.       <table class="memname">
    931. 

  931.         <tr>
    932. 

  932.           <td class="memname">const uint64_t twiddleCoefF64_512[1024]</td>
    933. 

  933.         </tr>
    934. 

  934.       </table>
    935. 

  935. </div><div class="memdoc">
    936. 

  936. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    937. 

  937. <dl class="section user"><dt></dt><dd><pre>for (i = 0; i&lt; N/; i++)
    938. 

  938. {
    939. 

  939.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    940. 

  940.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    941. 

  941. } </pre> </dd></dl>
    942. 

  942. <dl class="section user"><dt></dt><dd>where N = 512, PI = 3.14159265358979 </dd></dl>
    943. 

  943. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    944. 

  944. 

  945. </div>
    946. 

  946. </div>
    947. 

  947. <a class="anchor" id="ga6fe9e2b9200445a2313d7542c586639b"></a>
    948. 

  948. <div class="memitem">
    949. 

  949. <div class="memproto">
    950. 

  950.       <table class="memname">
    951. 

  951.         <tr>
    952. 

  952.           <td class="memname">const uint64_t twiddleCoefF64_64[128]</td>
    953. 

  953.         </tr>
    954. 

  954.       </table>
    955. 

  955. </div><div class="memdoc">
    956. 

  956. <dl class="section user"><dt></dt><dd>Example code for Double Precision Floating-point Twiddle factors Generation: </dd></dl>
    957. 

  957. <dl class="section user"><dt></dt><dd><pre>for(i = 0; i &lt; N/; i++)
    958. 

  958. {
    959. 

  959.       twiddleCoef[2*i]   = cos(i * 2*PI/(float)N);
    960. 

  960.       twiddleCoef[2*i+1] = sin(i * 2*PI/(float)N);
    961. 

  961. } </pre> </dd></dl>
    962. 

  962. <dl class="section user"><dt></dt><dd>where N = 64, PI = 3.14159265358979 </dd></dl>
    963. 

  963. <dl class="section user"><dt></dt><dd>Cos and Sin values are in interleaved fashion </dd></dl>
    964. 

  964. 

  965. </div>
    966. 

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    967. 

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