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📄 fastfft.c

📁 AAC音频解码算法程序
💻 C
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{ 0.757208846506485, 0.653172842953777 },
{ 0.932992798834739, 0.359895036534988 },
{ 0.740951125354959, 0.671558954847018 },
{ 0.928506080473216, 0.371317193951838 },
{ 0.724247082951467, 0.689540544737067 },
{ 0.923879532511287, 0.38268343236509 },
{ 0.707106781186548, 0.707106781186547 },
{ 0.919113851690058, 0.393992040061048 },
{ 0.689540544737067, 0.724247082951467 },
{ 0.914209755703531, 0.40524131400499 },
{ 0.671558954847018, 0.740951125354959 },
{ 0.909167983090522, 0.416429560097637 },
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{ 0.903989293123443, 0.427555093430282 },
{ 0.634393284163645, 0.773010453362737 },
{ 0.898674465693954, 0.438616238538528 },
{ 0.615231590580627, 0.788346427626606 },
{ 0.893224301195515, 0.449611329654607 },
{ 0.595699304492433, 0.803207531480645 },
{ 0.887639620402854, 0.46053871095824 },
{ 0.575808191417845, 0.817584813151584 },
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{ 0.870086991108711, 0.492898192229784 },
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{ 0.427555093430282, 0.903989293123443 },
{ 0.838224705554838, 0.545324988422046 },
{ 0.40524131400499, 0.914209755703531 },
{ 0.831469612302545, 0.555570233019602 },
{ 0.38268343236509, 0.923879532511287 },
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{ 0.359895036534988, 0.932992798834739 },
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{ 0.33688985339222, 0.941544065183021 },
{ 0.810457198252595, 0.585797857456439 },
{ 0.313681740398892, 0.949528180593037 },
{ 0.803207531480645, 0.595699304492433 },
{ 0.290284677254462, 0.956940335732209 },
{ 0.795836904608884, 0.605511041404326 },
{ 0.266712757474898, 0.96377606579544 },
{ 0.788346427626606, 0.615231590580627 },
{ 0.242980179903264, 0.970031253194544 },
{ 0.780737228572094, 0.624859488142386 },
{ 0.21910124015687, 0.975702130038529 },
{ 0.773010453362737, 0.634393284163645 },
{ 0.195090322016128, 0.98078528040323 },
{ 0.765167265622459, 0.643831542889791 },
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{ 0.757208846506485, 0.653172842953777 },
{ 0.146730474455362, 0.989176509964781 },
{ 0.749136394523459, 0.662415777590172 },
{ 0.122410675199216, 0.99247953459871 },
{ 0.740951125354959, 0.671558954847018 },
{ 0.0980171403295608, 0.995184726672197 },
{ 0.732654271672413, 0.680600997795453 },
{ 0.0735645635996675, 0.99729045667869 },
{ 0.724247082951467, 0.689540544737067 },
{ 0.0490676743274181, 0.998795456205172 },
{ 0.715730825283819, 0.698376249408973 },
{ 0.0245412285229123, 0.999698818696204 },
{ 0.707106781186548, 0.707106781186547 },
{ 6.12303176911189e-17, 1 },
{ 0.698376249408973, 0.715730825283819 },
{ -0.0245412285229121, 0.999698818696204 },
{ 0.689540544737067, 0.724247082951467 },
{ -0.049067674327418, 0.998795456205172 },
{ 0.680600997795453, 0.732654271672413 },
{ -0.0735645635996673, 0.99729045667869 },
{ 0.671558954847018, 0.740951125354959 },
{ -0.0980171403295606, 0.995184726672197 },
{ 0.662415777590172, 0.749136394523459 },
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{ 0.653172842953777, 0.757208846506484 },
{ -0.146730474455362, 0.989176509964781 },
{ 0.643831542889791, 0.765167265622459 },
{ -0.170961888760301, 0.985277642388941 },
{ 0.634393284163645, 0.773010453362737 },
{ -0.195090322016128, 0.98078528040323 },
{ 0.624859488142386, 0.780737228572094 },
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{ 0.615231590580627, 0.788346427626606 },
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{ 0.585797857456439, 0.810457198252595 },
{ -0.313681740398891, 0.949528180593037 },
{ 0.575808191417845, 0.817584813151584 },
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{ 0.555570233019602, 0.831469612302545 },
{ -0.38268343236509, 0.923879532511287 },
{ 0.545324988422046, 0.838224705554838 },
{ -0.40524131400499, 0.914209755703531 },
{ 0.534997619887097, 0.844853565249707 },
{ -0.427555093430282, 0.903989293123443 },
{ 0.524589682678469, 0.851355193105265 },
{ -0.449611329654607, 0.893224301195515 },
{ 0.514102744193222, 0.857728610000272 },
{ -0.471396736825998, 0.881921264348355 },
{ 0.503538383725718, 0.863972856121587 },
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{ 0.492898192229784, 0.870086991108711 },
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{ 0.471396736825998, 0.881921264348355 },
{ -0.555570233019602, 0.831469612302545 },
{ 0.46053871095824, 0.887639620402854 },
{ -0.575808191417845, 0.817584813151584 },
{ 0.449611329654607, 0.893224301195515 },
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{ -0.707106781186547, 0.707106781186548 },
{ 0.371317193951838, 0.928506080473215 },
{ -0.724247082951467, 0.689540544737067 },
{ 0.359895036534988, 0.932992798834739 },
{ -0.740951125354959, 0.671558954847019 },
{ 0.348418680249435, 0.937339011912575 },
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{ 0.207111376192219, 0.978317370719628 },
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{ 0.195090322016128, 0.98078528040323 },
{ -0.923879532511287, 0.38268343236509 },
{ 0.183039887955141, 0.983105487431216 },
{ -0.932992798834739, 0.359895036534988 },
{ 0.170961888760301, 0.985277642388941 },
{ -0.941544065183021, 0.33688985339222 },
{ 0.158858143333861, 0.987301418157858 },
{ -0.949528180593037, 0.313681740398891 },
{ 0.146730474455362, 0.989176509964781 },
{ -0.956940335732209, 0.290284677254462 },
{ 0.134580708507126, 0.99090263542778 },
{ -0.96377606579544, 0.266712757474898 },
{ 0.122410675199216, 0.99247953459871 },
{ -0.970031253194544, 0.242980179903264 },
{ 0.110222207293883, 0.993906970002356 },
{ -0.975702130038528, 0.21910124015687 },
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{ 0.0857973123444399, 0.996312612182778 },
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{ 0.0735645635996675, 0.99729045667869 },
{ -0.989176509964781, 0.146730474455362 },
{ 0.0613207363022086, 0.998118112900149 },
{ -0.99247953459871, 0.122410675199216 },
{ 0.0490676743274181, 0.998795456205172 },
{ -0.995184726672197, 0.0980171403295608 },
{ 0.036807222941359, 0.99932238458835 },
{ -0.99729045667869, 0.0735645635996677 },
{ 0.0245412285229123, 0.999698818696204 },
{ -0.998795456205172, 0.049067674327418 },
{ 0.0122715382857199, 0.999924701839145 },
{ -0.999698818696204, 0.0245412285229123 },
};

fftw_complex PFFTW(W_2048)[1022] = {
{ 0.999995293809576, 0.00306795676296598 },
{ 0.999981175282601, 0.00613588464915448 },
{ 0.999981175282601, 0.00613588464915448 },
{ 0.999924701839145, 0.0122715382857199 },
{ 0.999957644551964, 0.00920375478205982 },
{ 0.999830581795823, 0.0184067299058048 },
{ 0.999924701839145, 0.0122715382857199 },
{ 0.999698818696204, 0.0245412285229123 },
{ 0.999882347454213, 0.0153392062849881 },
{ 0.999529417501093, 0.0306748031766366 },
{ 0.999830581795823, 0.0184067299058048 },
{ 0.99932238458835, 0.0368072229413588 },
{ 0.999769405351215, 0.0214740802754695 },
{ 0.999077727752645, 0.0429382569349408 },
{ 0.999698818696204, 0.0245412285229123 },
{ 0.998795456205172, 0.049067674327418 },
{ 0.999618822495179, 0.0276081457789657 },
{ 0.998475580573295, 0.0551952443496899 },
{ 0.999529417501093, 0.0306748031766366 },
{ 0.998118112900149, 0.0613207363022086 },
{ 0.999430604555462, 0.0337411718513776 },
{ 0.997723066644192, 0.0674439195636641 },
{ 0.99932238458835, 0.0368072229413588 },
{ 0.99729045667869, 0.0735645635996674 },
{ 0.999204758618364, 0.0398729275877398 },
{ 0.996820299291166, 0.0796824379714301 },
{ 0.999077727752645, 0.0429382569349408 },
{ 0.996312612182778, 0.0857973123444399 },
{ 0.998941293186857, 0.0460031821309146 },
{ 0.99576741446766, 0.0919089564971327 },
{ 0.998795456205172, 0.049067674327418 },
{ 0.995184726672197, 0.0980171403295606 },
{ 0.998640218180265, 0.0521317046802833 },
{ 0.994564570734255, 0.104121633872055 },
{ 0.998475580573295, 0.0551952443496899 },
{ 0.993906970002356, 0.110222207293883 },
{ 0.998301544933893, 0.0582582645004358 },
{ 0.993211949234794, 0.116318630911905 },
{ 0.998118112900149, 0.0613207363022086 },
{ 0.99247953459871, 0.122410675199216 },
{ 0.997925286198596, 0.0643826309298575 },
{ 0.9917097536691, 0.128498110793793 },
{ 0.997723066644192, 0.0674439195636641 },
{ 0.99090263542778, 0.134580708507126 },
{ 0.997511456140303, 0.0705045733896139 },
{ 0.990058210262297, 0.140658239332849 },
{ 0.99729045667869, 0.0735645635996674 },
{ 0.989176509964781, 0.146730474455362 },
{ 0.997060070339483, 0.0766238613920315 },
{ 0.988257567730749, 0.152797185258443 },
{ 0.996820299291166, 0.0796824379714301 },
{ 0.987301418157858, 0.158858143333861 },
{ 0.996571145790555, 0.0827402645493757 },
{ 0.986308097244599, 0.16491312048997 },
{ 0.996312612182778, 0.0857973123444399 },
{ 0.985277642388941, 0.170961888760301 },
{ 0.996044700901252, 0.0888535525825246 },
{ 0.984210092386929, 0.177004220412149 },
{ 0.99576741446766, 0.0919089564971327 },
{ 0.983105487431216, 0.183039887955141 },
{ 0.995480755491927, 0.094963495329639 },
{ 0.981963869109555, 0.189068664149806 },
{ 0.995184726672197, 0.0980171403295606 },
{ 0.98078528040323, 0.195090322016128 },
{ 0.994879330794806, 0.101069862754828 },
{ 0.979569765685441, 0.201104634842092 },
{ 0.994564570734255, 0.104121633872055 },
{ 0.978317370719628, 0.207111376192219 },
{ 0.994240449453188, 0.107172424956809 },
{ 0.977028142657754, 0.213110319916091 },
{ 0.993906970002356, 0.110222207293883 },
{ 0.975702130038529, 0.21910124015687 },
{ 0.993564135520595, 0.113270952177564 },
{ 0.974339382785576, 0.225083911359793 },
{ 0.993211949234794, 0.116318630911905 },
{ 0.97293995220556, 0.231058108280671 },
{ 0.992850414459865, 0.119365214810991 },
{ 0.971503890986252, 0.237023605994367 },
{ 0.99247953459871, 0.122410675199216 },
{ 0.970031253194544, 0.242980179903264 },
{ 0.992099313142192, 0.125454983411546 },
{ 0.968522094274417, 0.24892760574572 },
{ 0.9917097536691, 0.128498110793793 },
{ 0.966976471044852, 0.254865659604515 },
{ 0.991310859846115, 0.131540028702883 },
{ 0.965394441697689, 0.260794117915276 },
{ 0.99090263542778, 0.134580708507126 },
{ 0.96377606579544, 0.266712757474898 },
{ 0.990485084256457, 0.137620121586486 },
{ 0.962121404269042, 0.272621355449949 },
{ 0.990058210262297, 0.140658239332849 },
{ 0.960430519415566, 0.278519689385053 },
{ 0.989622017463201, 0.143695033150294 },
{ 0.958703474895872, 0.284407537211272 },
{ 0.989176509964781, 0.146730474455362 },
{ 0.956940335732209, 0.290284677254462 },
{ 0.988721691960324, 0.149764534677322 },
{ 0.955141168305771, 0.296150888243624 },
{ 0.988257567730749, 0.152797185258443 },
{ 0.953306040354194, 0.302005949319228 },
{ 0.987784141644572, 0.155828397654265 },
{ 0.951435020969008, 0.307849640041535 },
{ 0.987301418157858, 0.158858143333861 },
{ 0.949528180593037, 0.313681740398892 },
{ 0.986809401814186, 0.161886393780112 },
{ 0.947585591017741, 0.319502030816016 },
{ 0.986308097244599, 0.16491312048997 },
{ 0.945607325380521, 0.325310292162263 },

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