#ifndef __FOURIER_WATER_TWIDDLES_INC
#define __FOURIER_WATER_TWIDDLES_INC

// W_N^k = exp(-2*pi*i*k/N).
#if defined(_FFT_SIZE_1)
static const float2 kTwiddles[1] = {
  float2(1, 0),
};
#elif defined(_FFT_SIZE_2)
static const float2 kTwiddles[2] = {
  float2(1, 0),
  float2(-1, 0),
};
#elif defined(_FFT_SIZE_4)
static const float2 kTwiddles[4] = {
  float2(1, 0),
  float2(0, -1),
  float2(-1, 0),
  float2(0, 1),
};
#elif defined(_FFT_SIZE_8)
static const float2 kTwiddles[8] = {
  float2(1, 0),
  float2(0.70710678118654757, -0.70710678118654746),
  float2(0, -1),
  float2(-0.70710678118654746, -0.70710678118654757),
  float2(-1, 0),
  float2(-0.70710678118654768, 0.70710678118654746),
  float2(0, 1),
  float2(0.70710678118654735, 0.70710678118654768),
};
#elif defined(_FFT_SIZE_16)
static const float2 kTwiddles[16] = {
  float2(1, 0),
  float2(0.92387953251128674, -0.38268343236508978),
  float2(0.70710678118654757, -0.70710678118654746),
  float2(0.38268343236508984, -0.92387953251128674),
  float2(0, -1),
  float2(-0.38268343236508973, -0.92387953251128674),
  float2(-0.70710678118654746, -0.70710678118654757),
  float2(-0.92387953251128674, -0.38268343236508989),
  float2(-1, 0),
  float2(-0.92387953251128685, 0.38268343236508967),
  float2(-0.70710678118654768, 0.70710678118654746),
  float2(-0.38268343236509034, 0.92387953251128652),
  float2(0, 1),
  float2(0.38268343236509, 0.92387953251128663),
  float2(0.70710678118654735, 0.70710678118654768),
  float2(0.92387953251128652, 0.38268343236509039),
};
#elif defined(_FFT_SIZE_32)
static const float2 kTwiddles[32] = {
  float2(1, 0),
  float2(0.98078528040323043, -0.19509032201612825),
  float2(0.92387953251128674, -0.38268343236508978),
  float2(0.83146961230254524, -0.55557023301960218),
  float2(0.70710678118654757, -0.70710678118654746),
  float2(0.55557023301960229, -0.83146961230254524),
  float2(0.38268343236508984, -0.92387953251128674),
  float2(0.19509032201612833, -0.98078528040323043),
  float2(0, -1),
  float2(-0.19509032201612819, -0.98078528040323043),
  float2(-0.38268343236508973, -0.92387953251128674),
  float2(-0.55557023301960196, -0.83146961230254546),
  float2(-0.70710678118654746, -0.70710678118654757),
  float2(-0.83146961230254535, -0.55557023301960218),
  float2(-0.92387953251128674, -0.38268343236508989),
  float2(-0.98078528040323043, -0.19509032201612861),
  float2(-1, 0),
  float2(-0.98078528040323043, 0.19509032201612836),
  float2(-0.92387953251128685, 0.38268343236508967),
  float2(-0.83146961230254546, 0.55557023301960196),
  float2(-0.70710678118654768, 0.70710678118654746),
  float2(-0.55557023301960218, 0.83146961230254524),
  float2(-0.38268343236509034, 0.92387953251128652),
  float2(-0.19509032201612866, 0.98078528040323032),
  float2(0, 1),
  float2(0.1950903220161283, 0.98078528040323043),
  float2(0.38268343236509, 0.92387953251128663),
  float2(0.55557023301960184, 0.83146961230254546),
  float2(0.70710678118654735, 0.70710678118654768),
  float2(0.83146961230254524, 0.55557023301960218),
  float2(0.92387953251128652, 0.38268343236509039),
  float2(0.98078528040323032, 0.19509032201612872),
};
#elif defined(_FFT_SIZE_64)
static const float2 kTwiddles[64] = {
  float2(1, 0),
  float2(0.99518472667219693, -0.098017140329560604),
  float2(0.98078528040323043, -0.19509032201612825),
  float2(0.95694033573220882, -0.29028467725446233),
  float2(0.92387953251128674, -0.38268343236508978),
  float2(0.88192126434835505, -0.47139673682599764),
  float2(0.83146961230254524, -0.55557023301960218),
  float2(0.77301045336273699, -0.63439328416364549),
  float2(0.70710678118654757, -0.70710678118654746),
  float2(0.63439328416364549, -0.77301045336273699),
  float2(0.55557023301960229, -0.83146961230254524),
  float2(0.47139673682599781, -0.88192126434835494),
  float2(0.38268343236508984, -0.92387953251128674),
  float2(0.29028467725446233, -0.95694033573220894),
  float2(0.19509032201612833, -0.98078528040323043),
  float2(0.09801714032956077, -0.99518472667219682),
  float2(0, -1),
  float2(-0.098017140329560645, -0.99518472667219693),
  float2(-0.19509032201612819, -0.98078528040323043),
  float2(-0.29028467725446216, -0.95694033573220894),
  float2(-0.38268343236508973, -0.92387953251128674),
  float2(-0.4713967368259977, -0.88192126434835505),
  float2(-0.55557023301960196, -0.83146961230254546),
  float2(-0.63439328416364538, -0.7730104533627371),
  float2(-0.70710678118654746, -0.70710678118654757),
  float2(-0.77301045336273699, -0.63439328416364549),
  float2(-0.83146961230254535, -0.55557023301960218),
  float2(-0.88192126434835494, -0.47139673682599786),
  float2(-0.92387953251128674, -0.38268343236508989),
  float2(-0.95694033573220882, -0.29028467725446239),
  float2(-0.98078528040323043, -0.19509032201612861),
  float2(-0.99518472667219682, -0.098017140329560826),
  float2(-1, 0),
  float2(-0.99518472667219693, 0.09801714032956059),
  float2(-0.98078528040323043, 0.19509032201612836),
  float2(-0.95694033573220894, 0.29028467725446211),
  float2(-0.92387953251128685, 0.38268343236508967),
  float2(-0.88192126434835505, 0.47139673682599764),
  float2(-0.83146961230254546, 0.55557023301960196),
  float2(-0.7730104533627371, 0.63439328416364527),
  float2(-0.70710678118654768, 0.70710678118654746),
  float2(-0.63439328416364593, 0.77301045336273666),
  float2(-0.55557023301960218, 0.83146961230254524),
  float2(-0.47139673682599786, 0.88192126434835494),
  float2(-0.38268343236509034, 0.92387953251128652),
  float2(-0.29028467725446244, 0.95694033573220882),
  float2(-0.19509032201612866, 0.98078528040323032),
  float2(-0.098017140329560451, 0.99518472667219693),
  float2(0, 1),
  float2(0.09801714032956009, 0.99518472667219693),
  float2(0.1950903220161283, 0.98078528040323043),
  float2(0.29028467725446205, 0.95694033573220894),
  float2(0.38268343236509, 0.92387953251128663),
  float2(0.47139673682599759, 0.88192126434835505),
  float2(0.55557023301960184, 0.83146961230254546),
  float2(0.6343932841636456, 0.77301045336273688),
  float2(0.70710678118654735, 0.70710678118654768),
  float2(0.77301045336273666, 0.63439328416364593),
  float2(0.83146961230254524, 0.55557023301960218),
  float2(0.88192126434835483, 0.47139673682599792),
  float2(0.92387953251128652, 0.38268343236509039),
  float2(0.95694033573220882, 0.2902846772544625),
  float2(0.98078528040323032, 0.19509032201612872),
  float2(0.99518472667219693, 0.098017140329560506),
};
#elif defined(_FFT_SIZE_128)
static const float2 kTwiddles[128] = {
  float2(1, 0),
  float2(0.99879545620517241, -0.049067674327418015),
  float2(0.99518472667219693, -0.098017140329560604),
  float2(0.98917650996478101, -0.14673047445536175),
  float2(0.98078528040323043, -0.19509032201612825),
  float2(0.97003125319454397, -0.24298017990326387),
  float2(0.95694033573220882, -0.29028467725446233),
  float2(0.94154406518302081, -0.33688985339222005),
  float2(0.92387953251128674, -0.38268343236508978),
  float2(0.90398929312344334, -0.42755509343028208),
  float2(0.88192126434835505, -0.47139673682599764),
  float2(0.85772861000027212, -0.51410274419322166),
  float2(0.83146961230254524, -0.55557023301960218),
  float2(0.80320753148064494, -0.59569930449243336),
  float2(0.77301045336273699, -0.63439328416364549),
  float2(0.74095112535495911, -0.67155895484701833),
  float2(0.70710678118654757, -0.70710678118654746),
  float2(0.67155895484701833, -0.74095112535495911),
  float2(0.63439328416364549, -0.77301045336273699),
  float2(0.59569930449243347, -0.80320753148064483),
  float2(0.55557023301960229, -0.83146961230254524),
  float2(0.51410274419322166, -0.85772861000027212),
  float2(0.47139673682599781, -0.88192126434835494),
  float2(0.4275550934302822, -0.90398929312344334),
  float2(0.38268343236508984, -0.92387953251128674),
  float2(0.33688985339222005, -0.94154406518302081),
  float2(0.29028467725446233, -0.95694033573220894),
  float2(0.24298017990326398, -0.97003125319454397),
  float2(0.19509032201612833, -0.98078528040323043),
  float2(0.14673047445536175, -0.98917650996478101),
  float2(0.09801714032956077, -0.99518472667219682),
  float2(0.049067674327418126, -0.99879545620517241),
  float2(0, -1),
  float2(-0.049067674327418008, -0.99879545620517241),
  float2(-0.098017140329560645, -0.99518472667219693),
  float2(-0.14673047445536164, -0.98917650996478101),
  float2(-0.19509032201612819, -0.98078528040323043),
  float2(-0.24298017990326387, -0.97003125319454397),
  float2(-0.29028467725446216, -0.95694033573220894),
  float2(-0.33688985339221994, -0.94154406518302081),
  float2(-0.38268343236508973, -0.92387953251128674),
  float2(-0.42755509343028186, -0.90398929312344345),
  float2(-0.4713967368259977, -0.88192126434835505),
  float2(-0.51410274419322166, -0.85772861000027212),
  float2(-0.55557023301960196, -0.83146961230254546),
  float2(-0.59569930449243336, -0.80320753148064494),
  float2(-0.63439328416364538, -0.7730104533627371),
  float2(-0.67155895484701844, -0.74095112535495899),
  float2(-0.70710678118654746, -0.70710678118654757),
  float2(-0.74095112535495888, -0.67155895484701855),
  float2(-0.77301045336273699, -0.63439328416364549),
  float2(-0.80320753148064483, -0.59569930449243347),
  float2(-0.83146961230254535, -0.55557023301960218),
  float2(-0.85772861000027201, -0.51410274419322177),
  float2(-0.88192126434835494, -0.47139673682599786),
  float2(-0.90398929312344334, -0.42755509343028203),
  float2(-0.92387953251128674, -0.38268343236508989),
  float2(-0.9415440651830207, -0.33688985339222033),
  float2(-0.95694033573220882, -0.29028467725446239),
  float2(-0.97003125319454397, -0.24298017990326407),
  float2(-0.98078528040323043, -0.19509032201612861),
  float2(-0.98917650996478101, -0.1467304744553618),
  float2(-0.99518472667219682, -0.098017140329560826),
  float2(-0.99879545620517241, -0.049067674327417966),
  float2(-1, 0),
  float2(-0.99879545620517241, 0.049067674327417724),
  float2(-0.99518472667219693, 0.09801714032956059),
  float2(-0.98917650996478101, 0.14673047445536158),
  float2(-0.98078528040323043, 0.19509032201612836),
  float2(-0.97003125319454397, 0.24298017990326382),
  float2(-0.95694033573220894, 0.29028467725446211),
  float2(-0.94154406518302081, 0.33688985339222011),
  float2(-0.92387953251128685, 0.38268343236508967),
  float2(-0.90398929312344345, 0.42755509343028181),
  float2(-0.88192126434835505, 0.47139673682599764),
  float2(-0.85772861000027212, 0.51410274419322155),
  float2(-0.83146961230254546, 0.55557023301960196),
  float2(-0.80320753148064494, 0.59569930449243325),
  float2(-0.7730104533627371, 0.63439328416364527),
  float2(-0.74095112535495911, 0.67155895484701844),
  float2(-0.70710678118654768, 0.70710678118654746),
  float2(-0.67155895484701866, 0.74095112535495888),
  float2(-0.63439328416364593, 0.77301045336273666),
  float2(-0.59569930449243313, 0.80320753148064505),
  float2(-0.55557023301960218, 0.83146961230254524),
  float2(-0.51410274419322177, 0.85772861000027201),
  float2(-0.47139673682599786, 0.88192126434835494),
  float2(-0.42755509343028247, 0.90398929312344312),
  float2(-0.38268343236509034, 0.92387953251128652),
  float2(-0.33688985339221994, 0.94154406518302081),
  float2(-0.29028467725446244, 0.95694033573220882),
  float2(-0.24298017990326412, 0.97003125319454397),
  float2(-0.19509032201612866, 0.98078528040323032),
  float2(-0.1467304744553623, 0.9891765099647809),
  float2(-0.098017140329560451, 0.99518472667219693),
  float2(-0.049067674327418029, 0.99879545620517241),
  float2(0, 1),
  float2(0.049067674327417661, 0.99879545620517241),
  float2(0.09801714032956009, 0.99518472667219693),
  float2(0.14673047445536194, 0.9891765099647809),
  float2(0.1950903220161283, 0.98078528040323043),
  float2(0.24298017990326376, 0.97003125319454397),
  float2(0.29028467725446205, 0.95694033573220894),
  float2(0.33688985339221961, 0.94154406518302092),
  float2(0.38268343236509, 0.92387953251128663),
  float2(0.42755509343028214, 0.90398929312344334),
  float2(0.47139673682599759, 0.88192126434835505),
  float2(0.51410274419322155, 0.85772861000027223),
  float2(0.55557023301960184, 0.83146961230254546),
  float2(0.59569930449243291, 0.80320753148064528),
  float2(0.6343932841636456, 0.77301045336273688),
  float2(0.67155895484701833, 0.74095112535495911),
  float2(0.70710678118654735, 0.70710678118654768),
  float2(0.74095112535495888, 0.67155895484701866),
  float2(0.77301045336273666, 0.63439328416364593),
  float2(0.80320753148064505, 0.59569930449243325),
  float2(0.83146961230254524, 0.55557023301960218),
  float2(0.85772861000027201, 0.51410274419322188),
  float2(0.88192126434835483, 0.47139673682599792),
  float2(0.90398929312344312, 0.42755509343028253),
  float2(0.92387953251128652, 0.38268343236509039),
  float2(0.94154406518302081, 0.33688985339222),
  float2(0.95694033573220882, 0.2902846772544625),
  float2(0.97003125319454397, 0.24298017990326418),
  float2(0.98078528040323032, 0.19509032201612872),
  float2(0.9891765099647809, 0.14673047445536239),
  float2(0.99518472667219693, 0.098017140329560506),
  float2(0.99879545620517241, 0.049067674327418091),
};
#elif defined(_FFT_SIZE_256)
static const float2 kTwiddles[256] = {
  float2(1, 0),
  float2(0.99969881869620425, -0.024541228522912288),
  float2(0.99879545620517241, -0.049067674327418015),
  float2(0.99729045667869021, -0.073564563599667426),
  float2(0.99518472667219693, -0.098017140329560604),
  float2(0.99247953459870997, -0.1224106751992162),
  float2(0.98917650996478101, -0.14673047445536175),
  float2(0.98527764238894122, -0.17096188876030122),
  float2(0.98078528040323043, -0.19509032201612825),
  float2(0.97570213003852857, -0.2191012401568698),
  float2(0.97003125319454397, -0.24298017990326387),
  float2(0.96377606579543984, -0.26671275747489837),
  float2(0.95694033573220882, -0.29028467725446233),
  float2(0.94952818059303667, -0.31368174039889152),
  float2(0.94154406518302081, -0.33688985339222005),
  float2(0.93299279883473896, -0.35989503653498811),
  float2(0.92387953251128674, -0.38268343236508978),
  float2(0.91420975570353069, -0.40524131400498986),
  float2(0.90398929312344334, -0.42755509343028208),
  float2(0.89322430119551532, -0.44961132965460654),
  float2(0.88192126434835505, -0.47139673682599764),
  float2(0.87008699110871146, -0.49289819222978404),
  float2(0.85772861000027212, -0.51410274419322166),
  float2(0.84485356524970712, -0.53499761988709715),
  float2(0.83146961230254524, -0.55557023301960218),
  float2(0.81758481315158371, -0.57580819141784534),
  float2(0.80320753148064494, -0.59569930449243336),
  float2(0.78834642762660634, -0.61523159058062682),
  float2(0.77301045336273699, -0.63439328416364549),
  float2(0.75720884650648457, -0.65317284295377676),
  float2(0.74095112535495911, -0.67155895484701833),
  float2(0.724247082951467, -0.68954054473706683),
  float2(0.70710678118654757, -0.70710678118654746),
  float2(0.68954054473706694, -0.72424708295146689),
  float2(0.67155895484701833, -0.74095112535495911),
  float2(0.65317284295377676, -0.75720884650648446),
  float2(0.63439328416364549, -0.77301045336273699),
  float2(0.61523159058062682, -0.78834642762660623),
  float2(0.59569930449243347, -0.80320753148064483),
  float2(0.57580819141784534, -0.81758481315158371),
  float2(0.55557023301960229, -0.83146961230254524),
  float2(0.53499761988709726, -0.84485356524970701),
  float2(0.51410274419322166, -0.85772861000027212),
  float2(0.49289819222978409, -0.87008699110871135),
  float2(0.47139673682599781, -0.88192126434835494),
  float2(0.4496113296546066, -0.89322430119551532),
  float2(0.4275550934302822, -0.90398929312344334),
  float2(0.40524131400498986, -0.91420975570353069),
  float2(0.38268343236508984, -0.92387953251128674),
  float2(0.35989503653498828, -0.93299279883473885),
  float2(0.33688985339222005, -0.94154406518302081),
  float2(0.31368174039889157, -0.94952818059303667),
  float2(0.29028467725446233, -0.95694033573220894),
  float2(0.26671275747489842, -0.96377606579543984),
  float2(0.24298017990326398, -0.97003125319454397),
  float2(0.21910124015686977, -0.97570213003852857),
  float2(0.19509032201612833, -0.98078528040323043),
  float2(0.17096188876030136, -0.98527764238894122),
  float2(0.14673047445536175, -0.98917650996478101),
  float2(0.12241067519921628, -0.99247953459870997),
  float2(0.09801714032956077, -0.99518472667219682),
  float2(0.073564563599667454, -0.99729045667869021),
  float2(0.049067674327418126, -0.99879545620517241),
  float2(0.024541228522912264, -0.99969881869620425),
  float2(0, -1),
  float2(-0.024541228522912142, -0.99969881869620425),
  float2(-0.049067674327418008, -0.99879545620517241),
  float2(-0.073564563599667329, -0.99729045667869021),
  float2(-0.098017140329560645, -0.99518472667219693),
  float2(-0.12241067519921615, -0.99247953459870997),
  float2(-0.14673047445536164, -0.98917650996478101),
  float2(-0.17096188876030124, -0.98527764238894122),
  float2(-0.19509032201612819, -0.98078528040323043),
  float2(-0.21910124015686966, -0.97570213003852857),
  float2(-0.24298017990326387, -0.97003125319454397),
  float2(-0.26671275747489831, -0.96377606579543984),
  float2(-0.29028467725446216, -0.95694033573220894),
  float2(-0.31368174039889141, -0.94952818059303667),
  float2(-0.33688985339221994, -0.94154406518302081),
  float2(-0.35989503653498817, -0.93299279883473885),
  float2(-0.38268343236508973, -0.92387953251128674),
  float2(-0.40524131400498975, -0.91420975570353069),
  float2(-0.42755509343028186, -0.90398929312344345),
  float2(-0.44961132965460671, -0.89322430119551521),
  float2(-0.4713967368259977, -0.88192126434835505),
  float2(-0.49289819222978398, -0.87008699110871146),
  float2(-0.51410274419322166, -0.85772861000027212),
  float2(-0.53499761988709704, -0.84485356524970723),
  float2(-0.55557023301960196, -0.83146961230254546),
  float2(-0.57580819141784534, -0.81758481315158371),
  float2(-0.59569930449243336, -0.80320753148064494),
  float2(-0.61523159058062671, -0.78834642762660634),
  float2(-0.63439328416364538, -0.7730104533627371),
  float2(-0.65317284295377653, -0.75720884650648468),
  float2(-0.67155895484701844, -0.74095112535495899),
  float2(-0.68954054473706694, -0.72424708295146689),
  float2(-0.70710678118654746, -0.70710678118654757),
  float2(-0.72424708295146678, -0.68954054473706705),
  float2(-0.74095112535495888, -0.67155895484701855),
  float2(-0.75720884650648457, -0.65317284295377664),
  float2(-0.77301045336273699, -0.63439328416364549),
  float2(-0.78834642762660623, -0.61523159058062693),
  float2(-0.80320753148064483, -0.59569930449243347),
  float2(-0.8175848131515836, -0.57580819141784545),
  float2(-0.83146961230254535, -0.55557023301960218),
  float2(-0.84485356524970712, -0.53499761988709715),
  float2(-0.85772861000027201, -0.51410274419322177),
  float2(-0.87008699110871135, -0.49289819222978415),
  float2(-0.88192126434835494, -0.47139673682599786),
  float2(-0.89322430119551521, -0.44961132965460687),
  float2(-0.90398929312344334, -0.42755509343028203),
  float2(-0.91420975570353069, -0.40524131400498992),
  float2(-0.92387953251128674, -0.38268343236508989),
  float2(-0.93299279883473885, -0.35989503653498833),
  float2(-0.9415440651830207, -0.33688985339222033),
  float2(-0.94952818059303667, -0.31368174039889141),
  float2(-0.95694033573220882, -0.29028467725446239),
  float2(-0.96377606579543984, -0.26671275747489848),
  float2(-0.97003125319454397, -0.24298017990326407),
  float2(-0.97570213003852846, -0.21910124015687005),
  float2(-0.98078528040323043, -0.19509032201612861),
  float2(-0.98527764238894122, -0.17096188876030122),
  float2(-0.98917650996478101, -0.1467304744553618),
  float2(-0.99247953459870997, -0.12241067519921635),
  float2(-0.99518472667219682, -0.098017140329560826),
  float2(-0.99729045667869021, -0.073564563599667732),
  float2(-0.99879545620517241, -0.049067674327417966),
  float2(-0.99969881869620425, -0.024541228522912326),
  float2(-1, 0),
  float2(-0.99969881869620425, 0.02454122852291208),
  float2(-0.99879545620517241, 0.049067674327417724),
  float2(-0.99729045667869021, 0.073564563599667496),
  float2(-0.99518472667219693, 0.09801714032956059),
  float2(-0.99247953459870997, 0.1224106751992161),
  float2(-0.98917650996478101, 0.14673047445536158),
  float2(-0.98527764238894133, 0.17096188876030097),
  float2(-0.98078528040323043, 0.19509032201612836),
  float2(-0.97570213003852857, 0.2191012401568698),
  float2(-0.97003125319454397, 0.24298017990326382),
  float2(-0.96377606579543995, 0.26671275747489825),
  float2(-0.95694033573220894, 0.29028467725446211),
  float2(-0.94952818059303679, 0.31368174039889118),
  float2(-0.94154406518302081, 0.33688985339222011),
  float2(-0.93299279883473896, 0.35989503653498811),
  float2(-0.92387953251128685, 0.38268343236508967),
  float2(-0.91420975570353069, 0.40524131400498969),
  float2(-0.90398929312344345, 0.42755509343028181),
  float2(-0.89322430119551532, 0.44961132965460665),
  float2(-0.88192126434835505, 0.47139673682599764),
  float2(-0.87008699110871146, 0.49289819222978393),
  float2(-0.85772861000027212, 0.51410274419322155),
  float2(-0.84485356524970723, 0.53499761988709693),
  float2(-0.83146961230254546, 0.55557023301960196),
  float2(-0.81758481315158371, 0.57580819141784534),
  float2(-0.80320753148064494, 0.59569930449243325),
  float2(-0.78834642762660634, 0.61523159058062671),
  float2(-0.7730104533627371, 0.63439328416364527),
  float2(-0.75720884650648479, 0.65317284295377653),
  float2(-0.74095112535495911, 0.67155895484701844),
  float2(-0.724247082951467, 0.68954054473706683),
  float2(-0.70710678118654768, 0.70710678118654746),
  float2(-0.68954054473706705, 0.72424708295146678),
  float2(-0.67155895484701866, 0.74095112535495888),
  float2(-0.65317284295377709, 0.75720884650648423),
  float2(-0.63439328416364593, 0.77301045336273666),
  float2(-0.61523159058062726, 0.78834642762660589),
  float2(-0.59569930449243313, 0.80320753148064505),
  float2(-0.57580819141784523, 0.81758481315158382),
  float2(-0.55557023301960218, 0.83146961230254524),
  float2(-0.53499761988709726, 0.84485356524970701),
  float2(-0.51410274419322177, 0.85772861000027201),
  float2(-0.4928981922297842, 0.87008699110871135),
  float2(-0.47139673682599786, 0.88192126434835494),
  float2(-0.44961132965460693, 0.89322430119551521),
  float2(-0.42755509343028247, 0.90398929312344312),
  float2(-0.40524131400499036, 0.91420975570353047),
  float2(-0.38268343236509034, 0.92387953251128652),
  float2(-0.35989503653498794, 0.93299279883473896),
  float2(-0.33688985339221994, 0.94154406518302081),
  float2(-0.31368174039889146, 0.94952818059303667),
  float2(-0.29028467725446244, 0.95694033573220882),
  float2(-0.26671275747489853, 0.96377606579543984),
  float2(-0.24298017990326412, 0.97003125319454397),
  float2(-0.2191012401568701, 0.97570213003852846),
  float2(-0.19509032201612866, 0.98078528040323032),
  float2(-0.17096188876030169, 0.98527764238894111),
  float2(-0.1467304744553623, 0.9891765099647809),
  float2(-0.12241067519921596, 0.99247953459871008),
  float2(-0.098017140329560451, 0.99518472667219693),
  float2(-0.073564563599667357, 0.99729045667869021),
  float2(-0.049067674327418029, 0.99879545620517241),
  float2(-0.024541228522912389, 0.99969881869620425),
  float2(0, 1),
  float2(0.024541228522912021, 0.99969881869620425),
  float2(0.049067674327417661, 0.99879545620517241),
  float2(0.073564563599666982, 0.99729045667869021),
  float2(0.09801714032956009, 0.99518472667219693),
  float2(0.1224106751992156, 0.99247953459871008),
  float2(0.14673047445536194, 0.9891765099647809),
  float2(0.17096188876030133, 0.98527764238894122),
  float2(0.1950903220161283, 0.98078528040323043),
  float2(0.21910124015686974, 0.97570213003852857),
  float2(0.24298017990326376, 0.97003125319454397),
  float2(0.2667127574748982, 0.96377606579543995),
  float2(0.29028467725446205, 0.95694033573220894),
  float2(0.31368174039889113, 0.94952818059303679),
  float2(0.33688985339221961, 0.94154406518302092),
  float2(0.35989503653498761, 0.93299279883473907),
  float2(0.38268343236509, 0.92387953251128663),
  float2(0.40524131400499003, 0.91420975570353058),
  float2(0.42755509343028214, 0.90398929312344334),
  float2(0.4496113296546066, 0.89322430119551532),
  float2(0.47139673682599759, 0.88192126434835505),
  float2(0.49289819222978387, 0.87008699110871146),
  float2(0.51410274419322155, 0.85772861000027223),
  float2(0.53499761988709693, 0.84485356524970723),
  float2(0.55557023301960184, 0.83146961230254546),
  float2(0.57580819141784489, 0.81758481315158404),
  float2(0.59569930449243291, 0.80320753148064528),
  float2(0.61523159058062704, 0.78834642762660612),
  float2(0.6343932841636456, 0.77301045336273688),
  float2(0.65317284295377676, 0.75720884650648457),
  float2(0.67155895484701833, 0.74095112535495911),
  float2(0.68954054473706683, 0.724247082951467),
  float2(0.70710678118654735, 0.70710678118654768),
  float2(0.72424708295146667, 0.68954054473706716),
  float2(0.74095112535495888, 0.67155895484701866),
  float2(0.75720884650648423, 0.65317284295377709),
  float2(0.77301045336273666, 0.63439328416364593),
  float2(0.78834642762660589, 0.61523159058062737),
  float2(0.80320753148064505, 0.59569930449243325),
  float2(0.81758481315158371, 0.57580819141784523),
  float2(0.83146961230254524, 0.55557023301960218),
  float2(0.84485356524970701, 0.53499761988709726),
  float2(0.85772861000027201, 0.51410274419322188),
  float2(0.87008699110871135, 0.49289819222978426),
  float2(0.88192126434835483, 0.47139673682599792),
  float2(0.8932243011955151, 0.44961132965460698),
  float2(0.90398929312344312, 0.42755509343028253),
  float2(0.91420975570353047, 0.40524131400499042),
  float2(0.92387953251128652, 0.38268343236509039),
  float2(0.93299279883473896, 0.359895036534988),
  float2(0.94154406518302081, 0.33688985339222),
  float2(0.94952818059303667, 0.31368174039889152),
  float2(0.95694033573220882, 0.2902846772544625),
  float2(0.96377606579543984, 0.26671275747489859),
  float2(0.97003125319454397, 0.24298017990326418),
  float2(0.97570213003852846, 0.21910124015687016),
  float2(0.98078528040323032, 0.19509032201612872),
  float2(0.98527764238894111, 0.17096188876030177),
  float2(0.9891765099647809, 0.14673047445536239),
  float2(0.99247953459870997, 0.12241067519921603),
  float2(0.99518472667219693, 0.098017140329560506),
  float2(0.99729045667869021, 0.073564563599667412),
  float2(0.99879545620517241, 0.049067674327418091),
  float2(0.99969881869620425, 0.024541228522912448),
};
#elif defined(_FFT_SIZE_512)
static const float2 kTwiddles[512] = {
  float2(1, 0),
  float2(0.9999247018391445, -0.012271538285719925),
  float2(0.99969881869620425, -0.024541228522912288),
  float2(0.99932238458834954, -0.036807222941358832),
  float2(0.99879545620517241, -0.049067674327418015),
  float2(0.99811811290014918, -0.061320736302208578),
  float2(0.99729045667869021, -0.073564563599667426),
  float2(0.996312612182778, -0.085797312344439894),
  float2(0.99518472667219693, -0.098017140329560604),
  float2(0.99390697000235606, -0.11022220729388306),
  float2(0.99247953459870997, -0.1224106751992162),
  float2(0.99090263542778001, -0.13458070850712617),
  float2(0.98917650996478101, -0.14673047445536175),
  float2(0.98730141815785843, -0.15885814333386145),
  float2(0.98527764238894122, -0.17096188876030122),
  float2(0.98310548743121629, -0.18303988795514095),
  float2(0.98078528040323043, -0.19509032201612825),
  float2(0.97831737071962765, -0.20711137619221856),
  float2(0.97570213003852857, -0.2191012401568698),
  float2(0.97293995220556018, -0.23105810828067111),
  float2(0.97003125319454397, -0.24298017990326387),
  float2(0.96697647104485207, -0.25486565960451457),
  float2(0.96377606579543984, -0.26671275747489837),
  float2(0.96043051941556579, -0.27851968938505306),
  float2(0.95694033573220882, -0.29028467725446233),
  float2(0.95330604035419386, -0.30200594931922808),
  float2(0.94952818059303667, -0.31368174039889152),
  float2(0.94560732538052128, -0.32531029216226293),
  float2(0.94154406518302081, -0.33688985339222005),
  float2(0.93733901191257496, -0.34841868024943456),
  float2(0.93299279883473896, -0.35989503653498811),
  float2(0.92850608047321559, -0.37131719395183754),
  float2(0.92387953251128674, -0.38268343236508978),
  float2(0.91911385169005777, -0.3939920400610481),
  float2(0.91420975570353069, -0.40524131400498986),
  float2(0.90916798309052238, -0.41642956009763715),
  float2(0.90398929312344334, -0.42755509343028208),
  float2(0.89867446569395382, -0.43861623853852766),
  float2(0.89322430119551532, -0.44961132965460654),
  float2(0.88763962040285393, -0.46053871095824001),
  float2(0.88192126434835505, -0.47139673682599764),
  float2(0.8760700941954066, -0.48218377207912272),
  float2(0.87008699110871146, -0.49289819222978404),
  float2(0.86397285612158681, -0.50353838372571758),
  float2(0.85772861000027212, -0.51410274419322166),
  float2(0.8513551931052652, -0.52458968267846895),
  float2(0.84485356524970712, -0.53499761988709715),
  float2(0.83822470555483808, -0.54532498842204646),
  float2(0.83146961230254524, -0.55557023301960218),
  float2(0.82458930278502529, -0.56573181078361312),
  float2(0.81758481315158371, -0.57580819141784534),
  float2(0.81045719825259477, -0.58579785745643886),
  float2(0.80320753148064494, -0.59569930449243336),
  float2(0.79583690460888357, -0.60551104140432555),
  float2(0.78834642762660634, -0.61523159058062682),
  float2(0.78073722857209449, -0.62485948814238634),
  float2(0.77301045336273699, -0.63439328416364549),
  float2(0.76516726562245896, -0.64383154288979139),
  float2(0.75720884650648457, -0.65317284295377676),
  float2(0.74913639452345937, -0.66241577759017178),
  float2(0.74095112535495911, -0.67155895484701833),
  float2(0.73265427167241282, -0.68060099779545302),
  float2(0.724247082951467, -0.68954054473706683),
  float2(0.71573082528381859, -0.69837624940897292),
  float2(0.70710678118654757, -0.70710678118654746),
  float2(0.69837624940897292, -0.71573082528381859),
  float2(0.68954054473706694, -0.72424708295146689),
  float2(0.68060099779545313, -0.73265427167241282),
  float2(0.67155895484701833, -0.74095112535495911),
  float2(0.66241577759017178, -0.74913639452345926),
  float2(0.65317284295377676, -0.75720884650648446),
  float2(0.6438315428897915, -0.76516726562245896),
  float2(0.63439328416364549, -0.77301045336273699),
  float2(0.62485948814238645, -0.78073722857209438),
  float2(0.61523159058062682, -0.78834642762660623),
  float2(0.60551104140432555, -0.79583690460888346),
  float2(0.59569930449243347, -0.80320753148064483),
  float2(0.58579785745643886, -0.81045719825259477),
  float2(0.57580819141784534, -0.81758481315158371),
  float2(0.56573181078361323, -0.82458930278502529),
  float2(0.55557023301960229, -0.83146961230254524),
  float2(0.54532498842204646, -0.83822470555483797),
  float2(0.53499761988709726, -0.84485356524970701),
  float2(0.52458968267846884, -0.8513551931052652),
  float2(0.51410274419322166, -0.85772861000027212),
  float2(0.50353838372571758, -0.8639728561215867),
  float2(0.49289819222978409, -0.87008699110871135),
  float2(0.48218377207912283, -0.8760700941954066),
  float2(0.47139673682599781, -0.88192126434835494),
  float2(0.46053871095824001, -0.88763962040285393),
  float2(0.4496113296546066, -0.89322430119551532),
  float2(0.43861623853852771, -0.89867446569395382),
  float2(0.4275550934302822, -0.90398929312344334),
  float2(0.41642956009763732, -0.90916798309052227),
  float2(0.40524131400498986, -0.91420975570353069),
  float2(0.3939920400610481, -0.91911385169005777),
  float2(0.38268343236508984, -0.92387953251128674),
  float2(0.3713171939518376, -0.92850608047321548),
  float2(0.35989503653498828, -0.93299279883473885),
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  float2(0.25486565960451396, 0.96697647104485229),
  float2(0.2667127574748982, 0.96377606579543995),
  float2(0.27851968938505328, 0.96043051941556579),
  float2(0.29028467725446205, 0.95694033573220894),
  float2(0.30200594931922814, 0.95330604035419386),
  float2(0.31368174039889113, 0.94952818059303679),
  float2(0.32531029216226293, 0.94560732538052128),
  float2(0.33688985339221961, 0.94154406518302092),
  float2(0.34841868024943451, 0.93733901191257496),
  float2(0.35989503653498761, 0.93299279883473907),
  float2(0.37131719395183738, 0.92850608047321559),
  float2(0.38268343236509, 0.92387953251128663),
  float2(0.39399204006104788, 0.91911385169005788),
  float2(0.40524131400499003, 0.91420975570353058),
  float2(0.41642956009763687, 0.90916798309052249),
  float2(0.42755509343028214, 0.90398929312344334),
  float2(0.43861623853852727, 0.89867446569395404),
  float2(0.4496113296546066, 0.89322430119551532),
  float2(0.46053871095823956, 0.88763962040285416),
  float2(0.47139673682599759, 0.88192126434835505),
  float2(0.48218377207912222, 0.87607009419540693),
  float2(0.49289819222978387, 0.87008699110871146),
  float2(0.5035383837257178, 0.86397285612158659),
  float2(0.51410274419322155, 0.85772861000027223),
  float2(0.52458968267846906, 0.85135519310526508),
  float2(0.53499761988709693, 0.84485356524970723),
  float2(0.54532498842204646, 0.83822470555483797),
  float2(0.55557023301960184, 0.83146961230254546),
  float2(0.56573181078361312, 0.82458930278502529),
  float2(0.57580819141784489, 0.81758481315158404),
  float2(0.58579785745643875, 0.81045719825259488),
  float2(0.59569930449243291, 0.80320753148064528),
  float2(0.60551104140432532, 0.79583690460888368),
  float2(0.61523159058062704, 0.78834642762660612),
  float2(0.62485948814238612, 0.7807372285720946),
  float2(0.6343932841636456, 0.77301045336273688),
  float2(0.64383154288979116, 0.76516726562245918),
  float2(0.65317284295377676, 0.75720884650648457),
  float2(0.66241577759017145, 0.74913639452345959),
  float2(0.67155895484701833, 0.74095112535495911),
  float2(0.68060099779545269, 0.73265427167241315),
  float2(0.68954054473706683, 0.724247082951467),
  float2(0.69837624940897236, 0.71573082528381904),
  float2(0.70710678118654735, 0.70710678118654768),
  float2(0.71573082528381882, 0.69837624940897269),
  float2(0.72424708295146667, 0.68954054473706716),
  float2(0.73265427167241293, 0.68060099779545302),
  float2(0.74095112535495888, 0.67155895484701866),
  float2(0.74913639452345937, 0.66241577759017178),
  float2(0.75720884650648423, 0.65317284295377709),
  float2(0.76516726562245885, 0.6438315428897915),
  float2(0.77301045336273666, 0.63439328416364593),
  float2(0.78073722857209438, 0.62485948814238645),
  float2(0.78834642762660589, 0.61523159058062737),
  float2(0.79583690460888334, 0.60551104140432566),
  float2(0.80320753148064505, 0.59569930449243325),
  float2(0.81045719825259466, 0.58579785745643909),
  float2(0.81758481315158371, 0.57580819141784523),
  float2(0.82458930278502507, 0.56573181078361356),
  float2(0.83146961230254524, 0.55557023301960218),
  float2(0.83822470555483775, 0.5453249884220468),
  float2(0.84485356524970701, 0.53499761988709726),
  float2(0.85135519310526486, 0.52458968267846939),
  float2(0.85772861000027201, 0.51410274419322188),
  float2(0.86397285612158636, 0.50353838372571813),
  float2(0.87008699110871135, 0.49289819222978426),
  float2(0.87607009419540671, 0.48218377207912261),
  float2(0.88192126434835483, 0.47139673682599792),
  float2(0.88763962040285393, 0.46053871095823995),
  float2(0.8932243011955151, 0.44961132965460698),
  float2(0.89867446569395382, 0.43861623853852766),
  float2(0.90398929312344312, 0.42755509343028253),
  float2(0.90916798309052238, 0.41642956009763726),
  float2(0.91420975570353047, 0.40524131400499042),
  float2(0.91911385169005766, 0.39399204006104827),
  float2(0.92387953251128652, 0.38268343236509039),
  float2(0.92850608047321548, 0.37131719395183782),
  float2(0.93299279883473896, 0.359895036534988),
  float2(0.93733901191257485, 0.3484186802494349),
  float2(0.94154406518302081, 0.33688985339222),
  float2(0.94560732538052117, 0.32531029216226337),
  float2(0.94952818059303667, 0.31368174039889152),
  float2(0.95330604035419364, 0.30200594931922858),
  float2(0.95694033573220882, 0.2902846772544625),
  float2(0.96043051941556568, 0.27851968938505367),
  float2(0.96377606579543984, 0.26671275747489859),
  float2(0.96697647104485218, 0.25486565960451441),
  float2(0.97003125319454397, 0.24298017990326418),
  float2(0.97293995220556018, 0.231058108280671),
  float2(0.97570213003852846, 0.21910124015687016),
  float2(0.97831737071962765, 0.20711137619221853),
  float2(0.98078528040323032, 0.19509032201612872),
  float2(0.98310548743121629, 0.18303988795514101),
  float2(0.98527764238894111, 0.17096188876030177),
  float2(0.98730141815785832, 0.15885814333386158),
  float2(0.9891765099647809, 0.14673047445536239),
  float2(0.99090263542778001, 0.13458070850712642),
  float2(0.99247953459870997, 0.12241067519921603),
  float2(0.99390697000235606, 0.11022220729388336),
  float2(0.99518472667219693, 0.098017140329560506),
  float2(0.996312612182778, 0.085797312344440282),
  float2(0.99729045667869021, 0.073564563599667412),
  float2(0.99811811290014918, 0.061320736302209057),
  float2(0.99879545620517241, 0.049067674327418091),
  float2(0.99932238458834943, 0.036807222941359394),
  float2(0.99969881869620425, 0.024541228522912448),
  float2(0.9999247018391445, 0.012271538285720572),
};
#else
static const float2 kTwiddles[1024] = {
  float2(1, 0),
  float2(0.99998117528260111, -0.0061358846491544753),
  float2(0.9999247018391445, -0.012271538285719925),
  float2(0.9998305817958234, -0.01840672990580482),
  float2(0.99969881869620425, -0.024541228522912288),
  float2(0.99952941750109314, -0.030674803176636626),
  float2(0.99932238458834954, -0.036807222941358832),
  float2(0.99907772775264536, -0.04293825693494082),
  float2(0.99879545620517241, -0.049067674327418015),
  float2(0.99847558057329477, -0.055195244349689934),
  float2(0.99811811290014918, -0.061320736302208578),
  float2(0.99772306664419164, -0.067443919563664051),
  float2(0.99729045667869021, -0.073564563599667426),
  float2(0.99682029929116567, -0.079682437971430126),
  float2(0.996312612182778, -0.085797312344439894),
  float2(0.99576741446765982, -0.091908956497132724),
  float2(0.99518472667219693, -0.098017140329560604),
  float2(0.99456457073425542, -0.10412163387205459),
  float2(0.99390697000235606, -0.11022220729388306),
  float2(0.9932119492347945, -0.11631863091190475),
  float2(0.99247953459870997, -0.1224106751992162),
  float2(0.99170975366909953, -0.12849811079379317),
  float2(0.99090263542778001, -0.13458070850712617),
  float2(0.99005821026229712, -0.14065823933284921),
  float2(0.98917650996478101, -0.14673047445536175),
  float2(0.98825756773074946, -0.15279718525844344),
  float2(0.98730141815785843, -0.15885814333386145),
  float2(0.98630809724459867, -0.16491312048996992),
  float2(0.98527764238894122, -0.17096188876030122),
  float2(0.98421009238692903, -0.17700422041214875),
  float2(0.98310548743121629, -0.18303988795514095),
  float2(0.98196386910955524, -0.18906866414980619),
  float2(0.98078528040323043, -0.19509032201612825),
  float2(0.97956976568544052, -0.2011046348420919),
  float2(0.97831737071962765, -0.20711137619221856),
  float2(0.97702814265775439, -0.21311031991609136),
  float2(0.97570213003852857, -0.2191012401568698),
  float2(0.97433938278557586, -0.22508391135979283),
  float2(0.97293995220556018, -0.23105810828067111),
  float2(0.97150389098625178, -0.2370236059943672),
  float2(0.97003125319454397, -0.24298017990326387),
  float2(0.96852209427441738, -0.24892760574572015),
  float2(0.96697647104485207, -0.25486565960451457),
  float2(0.9653944416976894, -0.26079411791527551),
  float2(0.96377606579543984, -0.26671275747489837),
  float2(0.96212140426904158, -0.27262135544994898),
  float2(0.96043051941556579, -0.27851968938505306),
  float2(0.9587034748958716, -0.28440753721127188),
  float2(0.95694033573220882, -0.29028467725446233),
  float2(0.95514116830577078, -0.29615088824362379),
  float2(0.95330604035419386, -0.30200594931922808),
  float2(0.95143502096900834, -0.30784964004153487),
  float2(0.94952818059303667, -0.31368174039889152),
  float2(0.94758559101774109, -0.31950203081601569),
  float2(0.94560732538052128, -0.32531029216226293),
  float2(0.94359345816196039, -0.33110630575987643),
  float2(0.94154406518302081, -0.33688985339222005),
  float2(0.93945922360218992, -0.34266071731199438),
  float2(0.93733901191257496, -0.34841868024943456),
  float2(0.93518350993894761, -0.35416352542049034),
  float2(0.93299279883473896, -0.35989503653498811),
  float2(0.93076696107898371, -0.36561299780477385),
  float2(0.92850608047321559, -0.37131719395183754),
  float2(0.92621024213831138, -0.37700741021641826),
  float2(0.92387953251128674, -0.38268343236508978),
  float2(0.92151403934204201, -0.38834504669882625),
  float2(0.91911385169005777, -0.3939920400610481),
  float2(0.9166790599210427, -0.39962419984564679),
  float2(0.91420975570353069, -0.40524131400498986),
  float2(0.91170603200542988, -0.41084317105790391),
  float2(0.90916798309052238, -0.41642956009763715),
  float2(0.90659570451491533, -0.42200027079979968),
  float2(0.90398929312344334, -0.42755509343028208),
  float2(0.90134884704602203, -0.43309381885315196),
  float2(0.89867446569395382, -0.43861623853852766),
  float2(0.89596624975618522, -0.4441221445704292),
  float2(0.89322430119551532, -0.44961132965460654),
  float2(0.89044872324475788, -0.45508358712634384),
  float2(0.88763962040285393, -0.46053871095824001),
  float2(0.88479709843093779, -0.46597649576796618),
  float2(0.88192126434835505, -0.47139673682599764),
  float2(0.87901222642863353, -0.47679923006332209),
  float2(0.8760700941954066, -0.48218377207912272),
  float2(0.87309497841829009, -0.487550160148436),
  float2(0.87008699110871146, -0.49289819222978404),
  float2(0.86704624551569265, -0.49822766697278187),
  float2(0.86397285612158681, -0.50353838372571758),
  float2(0.86086693863776731, -0.50883014254310699),
  float2(0.85772861000027212, -0.51410274419322166),
  float2(0.85455798836540053, -0.51935599016558964),
  float2(0.8513551931052652, -0.52458968267846895),
  float2(0.84812034480329723, -0.52980362468629461),
  float2(0.84485356524970712, -0.53499761988709715),
  float2(0.84155497743689844, -0.54017147272989285),
  float2(0.83822470555483808, -0.54532498842204646),
  float2(0.83486287498638001, -0.55045797293660481),
  float2(0.83146961230254524, -0.55557023301960218),
  float2(0.8280450452577558, -0.56066157619733603),
  float2(0.82458930278502529, -0.56573181078361312),
  float2(0.82110251499110465, -0.57078074588696726),
  float2(0.81758481315158371, -0.57580819141784534),
  float2(0.81403632970594841, -0.58081395809576453),
  float2(0.81045719825259477, -0.58579785745643886),
  float2(0.80684755354379933, -0.59075970185887416),
  float2(0.80320753148064494, -0.59569930449243336),
  float2(0.79953726910790501, -0.60061647938386897),
  float2(0.79583690460888357, -0.60551104140432555),
  float2(0.79210657730021239, -0.61038280627630948),
  float2(0.78834642762660634, -0.61523159058062682),
  float2(0.78455659715557524, -0.6200572117632891),
  float2(0.78073722857209449, -0.62485948814238634),
  float2(0.77688846567323244, -0.62963823891492698),
  float2(0.77301045336273699, -0.63439328416364549),
  float2(0.7691033376455797, -0.63912444486377573),
  float2(0.76516726562245896, -0.64383154288979139),
  float2(0.76120238548426178, -0.64851440102211244),
  float2(0.75720884650648457, -0.65317284295377676),
  float2(0.75318679904361252, -0.65780669329707864),
  float2(0.74913639452345937, -0.66241577759017178),
  float2(0.74505778544146606, -0.66699992230363747),
  float2(0.74095112535495911, -0.67155895484701833),
  float2(0.7368165688773699, -0.67609270357531592),
  float2(0.73265427167241282, -0.68060099779545302),
  float2(0.7284643904482252, -0.68508366777270036),
  float2(0.724247082951467, -0.68954054473706683),
  float2(0.72000250796138165, -0.693971460889654),
  float2(0.71573082528381859, -0.69837624940897292),
  float2(0.71143219574521643, -0.7027547444572253),
  float2(0.70710678118654757, -0.70710678118654746),
  float2(0.7027547444572253, -0.71143219574521643),
  float2(0.69837624940897292, -0.71573082528381859),
  float2(0.693971460889654, -0.72000250796138165),
  float2(0.68954054473706694, -0.72424708295146689),
  float2(0.68508366777270036, -0.7284643904482252),
  float2(0.68060099779545313, -0.73265427167241282),
  float2(0.67609270357531603, -0.73681656887736979),
  float2(0.67155895484701833, -0.74095112535495911),
  float2(0.66699992230363747, -0.74505778544146595),
  float2(0.66241577759017178, -0.74913639452345926),
  float2(0.65780669329707864, -0.75318679904361241),
  float2(0.65317284295377676, -0.75720884650648446),
  float2(0.64851440102211255, -0.76120238548426178),
  float2(0.6438315428897915, -0.76516726562245896),
  float2(0.63912444486377573, -0.76910333764557959),
  float2(0.63439328416364549, -0.77301045336273699),
  float2(0.6296382389149271, -0.77688846567323244),
  float2(0.62485948814238645, -0.78073722857209438),
  float2(0.62005721176328921, -0.78455659715557524),
  float2(0.61523159058062682, -0.78834642762660623),
  float2(0.61038280627630948, -0.79210657730021239),
  float2(0.60551104140432555, -0.79583690460888346),
  float2(0.60061647938386897, -0.79953726910790501),
  float2(0.59569930449243347, -0.80320753148064483),
  float2(0.59075970185887428, -0.80684755354379922),
  float2(0.58579785745643886, -0.81045719825259477),
  float2(0.58081395809576453, -0.8140363297059483),
  float2(0.57580819141784534, -0.81758481315158371),
  float2(0.57078074588696737, -0.82110251499110465),
  float2(0.56573181078361323, -0.82458930278502529),
  float2(0.56066157619733603, -0.8280450452577558),
  float2(0.55557023301960229, -0.83146961230254524),
  float2(0.55045797293660481, -0.83486287498638001),
  float2(0.54532498842204646, -0.83822470555483797),
  float2(0.54017147272989297, -0.84155497743689833),
  float2(0.53499761988709726, -0.84485356524970701),
  float2(0.52980362468629483, -0.84812034480329712),
  float2(0.52458968267846884, -0.8513551931052652),
  float2(0.51935599016558953, -0.85455798836540053),
  float2(0.51410274419322166, -0.85772861000027212),
  float2(0.50883014254310699, -0.86086693863776731),
  float2(0.50353838372571758, -0.8639728561215867),
  float2(0.49822766697278187, -0.86704624551569265),
  float2(0.49289819222978409, -0.87008699110871135),
  float2(0.48755016014843605, -0.87309497841829009),
  float2(0.48218377207912283, -0.8760700941954066),
  float2(0.47679923006332225, -0.87901222642863341),
  float2(0.47139673682599781, -0.88192126434835494),
  float2(0.46597649576796613, -0.88479709843093779),
  float2(0.46053871095824001, -0.88763962040285393),
  float2(0.45508358712634384, -0.89044872324475788),
  float2(0.4496113296546066, -0.89322430119551532),
  float2(0.44412214457042926, -0.89596624975618511),
  float2(0.43861623853852771, -0.89867446569395382),
  float2(0.43309381885315201, -0.90134884704602203),
  float2(0.4275550934302822, -0.90398929312344334),
  float2(0.42200027079979979, -0.90659570451491533),
  float2(0.41642956009763732, -0.90916798309052227),
  float2(0.41084317105790391, -0.91170603200542988),
  float2(0.40524131400498986, -0.91420975570353069),
  float2(0.39962419984564679, -0.9166790599210427),
  float2(0.3939920400610481, -0.91911385169005777),
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#endif

#endif  // __FOURIER_WATER_TWIDDLES_INC