1098 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			1098 lines
		
	
	
		
			29 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Copyright (c) 2003, 2007-14 Matteo Frigo | ||
|  |  * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology | ||
|  |  * | ||
|  |  * This program is free software; you can redistribute it and/or modify | ||
|  |  * it under the terms of the GNU General Public License as published by | ||
|  |  * the Free Software Foundation; either version 2 of the License, or | ||
|  |  * (at your option) any later version. | ||
|  |  * | ||
|  |  * This program is distributed in the hope that it will be useful, | ||
|  |  * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
|  |  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | ||
|  |  * GNU General Public License for more details. | ||
|  |  * | ||
|  |  * You should have received a copy of the GNU General Public License | ||
|  |  * along with this program; if not, write to the Free Software | ||
|  |  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA | ||
|  |  * | ||
|  |  */ | ||
|  | 
 | ||
|  | /* This file was automatically generated --- DO NOT EDIT */ | ||
|  | /* Generated on Tue Sep 14 10:44:38 EDT 2021 */ | ||
|  | 
 | ||
|  | #include "dft/codelet-dft.h"
 | ||
|  | 
 | ||
|  | #if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
 | ||
|  | 
 | ||
|  | /* Generated by: ../../../genfft/gen_twiddle.native -fma -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 20 -name t2_20 -include dft/scalar/t.h */ | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * This function contains 276 FP additions, 198 FP multiplications, | ||
|  |  * (or, 136 additions, 58 multiplications, 140 fused multiply/add), | ||
|  |  * 95 stack variables, 4 constants, and 80 memory accesses | ||
|  |  */ | ||
|  | #include "dft/scalar/t.h"
 | ||
|  | 
 | ||
|  | static void t2_20(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) | ||
|  | { | ||
|  |      DK(KP951056516, +0.951056516295153572116439333379382143405698634); | ||
|  |      DK(KP559016994, +0.559016994374947424102293417182819058860154590); | ||
|  |      DK(KP250000000, +0.250000000000000000000000000000000000000000000); | ||
|  |      DK(KP618033988, +0.618033988749894848204586834365638117720309180); | ||
|  |      { | ||
|  | 	  INT m; | ||
|  | 	  for (m = mb, W = W + (mb * 8); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 8, MAKE_VOLATILE_STRIDE(40, rs)) { | ||
|  | 	       E T2, Th, Tf, T6, T5, Ti, Tl, T1n, T3, Tt, Tv, T7, T17, T1L, T24; | ||
|  | 	       E Tb, T13, T1P, T21, T1b, T1D, T1A, T1H, T1f, TA, Tw, Tq, Tm, TK, T1S; | ||
|  | 	       E TO, T1p, T1q, T1u, T2n, T2k, T2h, T2d; | ||
|  | 	       { | ||
|  | 		    E Tk, Ta, T1e, T4, T1a, Tj, T12, T1G, T16, T1K, Tg, Tz; | ||
|  | 		    T2 = W[0]; | ||
|  | 		    Th = W[3]; | ||
|  | 		    Tf = W[2]; | ||
|  | 		    Tg = T2 * Tf; | ||
|  | 		    Tk = T2 * Th; | ||
|  | 		    T6 = W[5]; | ||
|  | 		    Ta = T2 * T6; | ||
|  | 		    T1e = Tf * T6; | ||
|  | 		    T5 = W[1]; | ||
|  | 		    Ti = FNMS(T5, Th, Tg); | ||
|  | 		    Tl = FMA(T5, Tf, Tk); | ||
|  | 		    T1n = FMA(T5, Th, Tg); | ||
|  | 		    T3 = W[4]; | ||
|  | 		    T4 = T2 * T3; | ||
|  | 		    T1a = Tf * T3; | ||
|  | 		    Tj = Ti * T3; | ||
|  | 		    Tt = W[6]; | ||
|  | 		    T12 = Tf * Tt; | ||
|  | 		    T1G = T2 * Tt; | ||
|  | 		    Tv = W[7]; | ||
|  | 		    T16 = Tf * Tv; | ||
|  | 		    T1K = T2 * Tv; | ||
|  | 		    T7 = FNMS(T5, T6, T4); | ||
|  | 		    T17 = FNMS(Th, Tt, T16); | ||
|  | 		    T1L = FNMS(T5, Tt, T1K); | ||
|  | 		    T24 = FMA(Th, T3, T1e); | ||
|  | 		    Tb = FMA(T5, T3, Ta); | ||
|  | 		    T13 = FMA(Th, Tv, T12); | ||
|  | 		    T1P = FNMS(Tl, T6, Tj); | ||
|  | 		    T21 = FNMS(Th, T6, T1a); | ||
|  | 		    T1b = FMA(Th, T6, T1a); | ||
|  | 		    T1D = FNMS(T5, T3, Ta); | ||
|  | 		    T1A = FMA(T5, T6, T4); | ||
|  | 		    T1H = FMA(T5, Tv, T1G); | ||
|  | 		    T1f = FNMS(Th, T3, T1e); | ||
|  | 		    Tz = Ti * Tv; | ||
|  | 		    TA = FNMS(Tl, Tt, Tz); | ||
|  | 		    { | ||
|  | 			 E Tu, Tp, TJ, TN; | ||
|  | 			 Tu = Ti * Tt; | ||
|  | 			 Tw = FMA(Tl, Tv, Tu); | ||
|  | 			 Tp = Ti * T6; | ||
|  | 			 Tq = FNMS(Tl, T3, Tp); | ||
|  | 			 Tm = FMA(Tl, T6, Tj); | ||
|  | 			 TJ = Tm * Tt; | ||
|  | 			 TN = Tm * Tv; | ||
|  | 			 TK = FMA(Tq, Tv, TJ); | ||
|  | 			 T1S = FMA(Tl, T3, Tp); | ||
|  | 			 TO = FNMS(Tq, Tt, TN); | ||
|  | 			 { | ||
|  | 			      E T1o, T2g, T1t, T2c; | ||
|  | 			      T1o = T1n * T3; | ||
|  | 			      T2g = T1n * Tv; | ||
|  | 			      T1t = T1n * T6; | ||
|  | 			      T2c = T1n * Tt; | ||
|  | 			      T1p = FNMS(T5, Tf, Tk); | ||
|  | 			      T1q = FNMS(T1p, T6, T1o); | ||
|  | 			      T1u = FMA(T1p, T3, T1t); | ||
|  | 			      T2n = FNMS(T1p, T3, T1t); | ||
|  | 			      T2k = FMA(T1p, T6, T1o); | ||
|  | 			      T2h = FNMS(T1p, Tt, T2g); | ||
|  | 			      T2d = FMA(T1p, Tv, T2c); | ||
|  | 			 } | ||
|  | 		    } | ||
|  | 	       } | ||
|  | 	       { | ||
|  | 		    E Te, T2C, T4L, T57, TD, T58, T2H, T4H, T11, T2v, T4k, T4v, T2P, T3P, T3C; | ||
|  | 		    E T3Z, T2r, T2z, T4g, T4z, T3b, T3T, T3u, T43, T20, T2y, T4d, T4y, T34, T3S; | ||
|  | 		    E T3n, T42, T1y, T2w, T4n, T4w, T2W, T3Q, T3J, T40; | ||
|  | 		    { | ||
|  | 			 E T1, T4K, T8, T9, Tc, T4I, Td, T4J; | ||
|  | 			 T1 = ri[0]; | ||
|  | 			 T4K = ii[0]; | ||
|  | 			 T8 = ri[WS(rs, 10)]; | ||
|  | 			 T9 = T7 * T8; | ||
|  | 			 Tc = ii[WS(rs, 10)]; | ||
|  | 			 T4I = T7 * Tc; | ||
|  | 			 Td = FMA(Tb, Tc, T9); | ||
|  | 			 Te = T1 + Td; | ||
|  | 			 T2C = T1 - Td; | ||
|  | 			 T4J = FNMS(Tb, T8, T4I); | ||
|  | 			 T4L = T4J + T4K; | ||
|  | 			 T57 = T4K - T4J; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E Tn, To, Tr, T2D, Tx, Ty, TB, T2F; | ||
|  | 			 Tn = ri[WS(rs, 5)]; | ||
|  | 			 To = Tm * Tn; | ||
|  | 			 Tr = ii[WS(rs, 5)]; | ||
|  | 			 T2D = Tm * Tr; | ||
|  | 			 Tx = ri[WS(rs, 15)]; | ||
|  | 			 Ty = Tw * Tx; | ||
|  | 			 TB = ii[WS(rs, 15)]; | ||
|  | 			 T2F = Tw * TB; | ||
|  | 			 { | ||
|  | 			      E Ts, TC, T2E, T2G; | ||
|  | 			      Ts = FMA(Tq, Tr, To); | ||
|  | 			      TC = FMA(TA, TB, Ty); | ||
|  | 			      TD = Ts + TC; | ||
|  | 			      T58 = Ts - TC; | ||
|  | 			      T2E = FNMS(Tq, Tn, T2D); | ||
|  | 			      T2G = FNMS(TA, Tx, T2F); | ||
|  | 			      T2H = T2E - T2G; | ||
|  | 			      T4H = T2E + T2G; | ||
|  | 			 } | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E TI, T3x, TZ, T2N, TQ, T3z, TV, T2L; | ||
|  | 			 { | ||
|  | 			      E TF, TG, TH, T3w; | ||
|  | 			      TF = ri[WS(rs, 4)]; | ||
|  | 			      TG = Ti * TF; | ||
|  | 			      TH = ii[WS(rs, 4)]; | ||
|  | 			      T3w = Ti * TH; | ||
|  | 			      TI = FMA(Tl, TH, TG); | ||
|  | 			      T3x = FNMS(Tl, TF, T3w); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E TW, TX, TY, T2M; | ||
|  | 			      TW = ri[WS(rs, 19)]; | ||
|  | 			      TX = Tt * TW; | ||
|  | 			      TY = ii[WS(rs, 19)]; | ||
|  | 			      T2M = Tt * TY; | ||
|  | 			      TZ = FMA(Tv, TY, TX); | ||
|  | 			      T2N = FNMS(Tv, TW, T2M); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E TL, TM, TP, T3y; | ||
|  | 			      TL = ri[WS(rs, 14)]; | ||
|  | 			      TM = TK * TL; | ||
|  | 			      TP = ii[WS(rs, 14)]; | ||
|  | 			      T3y = TK * TP; | ||
|  | 			      TQ = FMA(TO, TP, TM); | ||
|  | 			      T3z = FNMS(TO, TL, T3y); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E TS, TT, TU, T2K; | ||
|  | 			      TS = ri[WS(rs, 9)]; | ||
|  | 			      TT = T3 * TS; | ||
|  | 			      TU = ii[WS(rs, 9)]; | ||
|  | 			      T2K = T3 * TU; | ||
|  | 			      TV = FMA(T6, TU, TT); | ||
|  | 			      T2L = FNMS(T6, TS, T2K); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E TR, T10, T4i, T4j; | ||
|  | 			      TR = TI + TQ; | ||
|  | 			      T10 = TV + TZ; | ||
|  | 			      T11 = TR - T10; | ||
|  | 			      T2v = TR + T10; | ||
|  | 			      T4i = T3x + T3z; | ||
|  | 			      T4j = T2L + T2N; | ||
|  | 			      T4k = T4i - T4j; | ||
|  | 			      T4v = T4i + T4j; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T2J, T2O, T3A, T3B; | ||
|  | 			      T2J = TI - TQ; | ||
|  | 			      T2O = T2L - T2N; | ||
|  | 			      T2P = T2J - T2O; | ||
|  | 			      T3P = T2J + T2O; | ||
|  | 			      T3A = T3x - T3z; | ||
|  | 			      T3B = TV - TZ; | ||
|  | 			      T3C = T3A + T3B; | ||
|  | 			      T3Z = T3A - T3B; | ||
|  | 			 } | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T26, T3p, T2p, T39, T2a, T3r, T2j, T37; | ||
|  | 			 { | ||
|  | 			      E T22, T23, T25, T3o; | ||
|  | 			      T22 = ri[WS(rs, 12)]; | ||
|  | 			      T23 = T21 * T22; | ||
|  | 			      T25 = ii[WS(rs, 12)]; | ||
|  | 			      T3o = T21 * T25; | ||
|  | 			      T26 = FMA(T24, T25, T23); | ||
|  | 			      T3p = FNMS(T24, T22, T3o); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T2l, T2m, T2o, T38; | ||
|  | 			      T2l = ri[WS(rs, 7)]; | ||
|  | 			      T2m = T2k * T2l; | ||
|  | 			      T2o = ii[WS(rs, 7)]; | ||
|  | 			      T38 = T2k * T2o; | ||
|  | 			      T2p = FMA(T2n, T2o, T2m); | ||
|  | 			      T39 = FNMS(T2n, T2l, T38); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T27, T28, T29, T3q; | ||
|  | 			      T27 = ri[WS(rs, 2)]; | ||
|  | 			      T28 = T1n * T27; | ||
|  | 			      T29 = ii[WS(rs, 2)]; | ||
|  | 			      T3q = T1n * T29; | ||
|  | 			      T2a = FMA(T1p, T29, T28); | ||
|  | 			      T3r = FNMS(T1p, T27, T3q); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T2e, T2f, T2i, T36; | ||
|  | 			      T2e = ri[WS(rs, 17)]; | ||
|  | 			      T2f = T2d * T2e; | ||
|  | 			      T2i = ii[WS(rs, 17)]; | ||
|  | 			      T36 = T2d * T2i; | ||
|  | 			      T2j = FMA(T2h, T2i, T2f); | ||
|  | 			      T37 = FNMS(T2h, T2e, T36); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T2b, T2q, T4e, T4f; | ||
|  | 			      T2b = T26 + T2a; | ||
|  | 			      T2q = T2j + T2p; | ||
|  | 			      T2r = T2b - T2q; | ||
|  | 			      T2z = T2b + T2q; | ||
|  | 			      T4e = T3p + T3r; | ||
|  | 			      T4f = T37 + T39; | ||
|  | 			      T4g = T4e - T4f; | ||
|  | 			      T4z = T4e + T4f; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T35, T3a, T3s, T3t; | ||
|  | 			      T35 = T26 - T2a; | ||
|  | 			      T3a = T37 - T39; | ||
|  | 			      T3b = T35 - T3a; | ||
|  | 			      T3T = T35 + T3a; | ||
|  | 			      T3s = T3p - T3r; | ||
|  | 			      T3t = T2j - T2p; | ||
|  | 			      T3u = T3s + T3t; | ||
|  | 			      T43 = T3s - T3t; | ||
|  | 			 } | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T1F, T3i, T1Y, T32, T1N, T3k, T1U, T30; | ||
|  | 			 { | ||
|  | 			      E T1B, T1C, T1E, T3h; | ||
|  | 			      T1B = ri[WS(rs, 8)]; | ||
|  | 			      T1C = T1A * T1B; | ||
|  | 			      T1E = ii[WS(rs, 8)]; | ||
|  | 			      T3h = T1A * T1E; | ||
|  | 			      T1F = FMA(T1D, T1E, T1C); | ||
|  | 			      T3i = FNMS(T1D, T1B, T3h); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1V, T1W, T1X, T31; | ||
|  | 			      T1V = ri[WS(rs, 3)]; | ||
|  | 			      T1W = Tf * T1V; | ||
|  | 			      T1X = ii[WS(rs, 3)]; | ||
|  | 			      T31 = Tf * T1X; | ||
|  | 			      T1Y = FMA(Th, T1X, T1W); | ||
|  | 			      T32 = FNMS(Th, T1V, T31); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1I, T1J, T1M, T3j; | ||
|  | 			      T1I = ri[WS(rs, 18)]; | ||
|  | 			      T1J = T1H * T1I; | ||
|  | 			      T1M = ii[WS(rs, 18)]; | ||
|  | 			      T3j = T1H * T1M; | ||
|  | 			      T1N = FMA(T1L, T1M, T1J); | ||
|  | 			      T3k = FNMS(T1L, T1I, T3j); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1Q, T1R, T1T, T2Z; | ||
|  | 			      T1Q = ri[WS(rs, 13)]; | ||
|  | 			      T1R = T1P * T1Q; | ||
|  | 			      T1T = ii[WS(rs, 13)]; | ||
|  | 			      T2Z = T1P * T1T; | ||
|  | 			      T1U = FMA(T1S, T1T, T1R); | ||
|  | 			      T30 = FNMS(T1S, T1Q, T2Z); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1O, T1Z, T4b, T4c; | ||
|  | 			      T1O = T1F + T1N; | ||
|  | 			      T1Z = T1U + T1Y; | ||
|  | 			      T20 = T1O - T1Z; | ||
|  | 			      T2y = T1O + T1Z; | ||
|  | 			      T4b = T3i + T3k; | ||
|  | 			      T4c = T30 + T32; | ||
|  | 			      T4d = T4b - T4c; | ||
|  | 			      T4y = T4b + T4c; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T2Y, T33, T3l, T3m; | ||
|  | 			      T2Y = T1F - T1N; | ||
|  | 			      T33 = T30 - T32; | ||
|  | 			      T34 = T2Y - T33; | ||
|  | 			      T3S = T2Y + T33; | ||
|  | 			      T3l = T3i - T3k; | ||
|  | 			      T3m = T1U - T1Y; | ||
|  | 			      T3n = T3l + T3m; | ||
|  | 			      T42 = T3l - T3m; | ||
|  | 			 } | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T19, T3E, T1w, T2U, T1h, T3G, T1m, T2S; | ||
|  | 			 { | ||
|  | 			      E T14, T15, T18, T3D; | ||
|  | 			      T14 = ri[WS(rs, 16)]; | ||
|  | 			      T15 = T13 * T14; | ||
|  | 			      T18 = ii[WS(rs, 16)]; | ||
|  | 			      T3D = T13 * T18; | ||
|  | 			      T19 = FMA(T17, T18, T15); | ||
|  | 			      T3E = FNMS(T17, T14, T3D); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1r, T1s, T1v, T2T; | ||
|  | 			      T1r = ri[WS(rs, 11)]; | ||
|  | 			      T1s = T1q * T1r; | ||
|  | 			      T1v = ii[WS(rs, 11)]; | ||
|  | 			      T2T = T1q * T1v; | ||
|  | 			      T1w = FMA(T1u, T1v, T1s); | ||
|  | 			      T2U = FNMS(T1u, T1r, T2T); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1c, T1d, T1g, T3F; | ||
|  | 			      T1c = ri[WS(rs, 6)]; | ||
|  | 			      T1d = T1b * T1c; | ||
|  | 			      T1g = ii[WS(rs, 6)]; | ||
|  | 			      T3F = T1b * T1g; | ||
|  | 			      T1h = FMA(T1f, T1g, T1d); | ||
|  | 			      T3G = FNMS(T1f, T1c, T3F); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1j, T1k, T1l, T2R; | ||
|  | 			      T1j = ri[WS(rs, 1)]; | ||
|  | 			      T1k = T2 * T1j; | ||
|  | 			      T1l = ii[WS(rs, 1)]; | ||
|  | 			      T2R = T2 * T1l; | ||
|  | 			      T1m = FMA(T5, T1l, T1k); | ||
|  | 			      T2S = FNMS(T5, T1j, T2R); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1i, T1x, T4l, T4m; | ||
|  | 			      T1i = T19 + T1h; | ||
|  | 			      T1x = T1m + T1w; | ||
|  | 			      T1y = T1i - T1x; | ||
|  | 			      T2w = T1i + T1x; | ||
|  | 			      T4l = T3E + T3G; | ||
|  | 			      T4m = T2S + T2U; | ||
|  | 			      T4n = T4l - T4m; | ||
|  | 			      T4w = T4l + T4m; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T2Q, T2V, T3H, T3I; | ||
|  | 			      T2Q = T19 - T1h; | ||
|  | 			      T2V = T2S - T2U; | ||
|  | 			      T2W = T2Q - T2V; | ||
|  | 			      T3Q = T2Q + T2V; | ||
|  | 			      T3H = T3E - T3G; | ||
|  | 			      T3I = T1m - T1w; | ||
|  | 			      T3J = T3H + T3I; | ||
|  | 			      T40 = T3H - T3I; | ||
|  | 			 } | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T4p, T4r, TE, T2t, T48, T49, T4q, T4a; | ||
|  | 			 { | ||
|  | 			      E T4h, T4o, T1z, T2s; | ||
|  | 			      T4h = T4d - T4g; | ||
|  | 			      T4o = T4k - T4n; | ||
|  | 			      T4p = FNMS(KP618033988, T4o, T4h); | ||
|  | 			      T4r = FMA(KP618033988, T4h, T4o); | ||
|  | 			      TE = Te - TD; | ||
|  | 			      T1z = T11 + T1y; | ||
|  | 			      T2s = T20 + T2r; | ||
|  | 			      T2t = T1z + T2s; | ||
|  | 			      T48 = FNMS(KP250000000, T2t, TE); | ||
|  | 			      T49 = T1z - T2s; | ||
|  | 			 } | ||
|  | 			 ri[WS(rs, 10)] = TE + T2t; | ||
|  | 			 T4q = FMA(KP559016994, T49, T48); | ||
|  | 			 ri[WS(rs, 14)] = FNMS(KP951056516, T4r, T4q); | ||
|  | 			 ri[WS(rs, 6)] = FMA(KP951056516, T4r, T4q); | ||
|  | 			 T4a = FNMS(KP559016994, T49, T48); | ||
|  | 			 ri[WS(rs, 2)] = FNMS(KP951056516, T4p, T4a); | ||
|  | 			 ri[WS(rs, 18)] = FMA(KP951056516, T4p, T4a); | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T54, T56, T4V, T4Y, T4Z, T50, T55, T51; | ||
|  | 			 { | ||
|  | 			      E T52, T53, T4W, T4X; | ||
|  | 			      T52 = T20 - T2r; | ||
|  | 			      T53 = T11 - T1y; | ||
|  | 			      T54 = FNMS(KP618033988, T53, T52); | ||
|  | 			      T56 = FMA(KP618033988, T52, T53); | ||
|  | 			      T4V = T4L - T4H; | ||
|  | 			      T4W = T4k + T4n; | ||
|  | 			      T4X = T4d + T4g; | ||
|  | 			      T4Y = T4W + T4X; | ||
|  | 			      T4Z = FNMS(KP250000000, T4Y, T4V); | ||
|  | 			      T50 = T4W - T4X; | ||
|  | 			 } | ||
|  | 			 ii[WS(rs, 10)] = T4Y + T4V; | ||
|  | 			 T55 = FMA(KP559016994, T50, T4Z); | ||
|  | 			 ii[WS(rs, 6)] = FNMS(KP951056516, T56, T55); | ||
|  | 			 ii[WS(rs, 14)] = FMA(KP951056516, T56, T55); | ||
|  | 			 T51 = FNMS(KP559016994, T50, T4Z); | ||
|  | 			 ii[WS(rs, 2)] = FMA(KP951056516, T54, T51); | ||
|  | 			 ii[WS(rs, 18)] = FNMS(KP951056516, T54, T51); | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T4B, T4D, T2u, T2B, T4s, T4t, T4C, T4u; | ||
|  | 			 { | ||
|  | 			      E T4x, T4A, T2x, T2A; | ||
|  | 			      T4x = T4v - T4w; | ||
|  | 			      T4A = T4y - T4z; | ||
|  | 			      T4B = FMA(KP618033988, T4A, T4x); | ||
|  | 			      T4D = FNMS(KP618033988, T4x, T4A); | ||
|  | 			      T2u = Te + TD; | ||
|  | 			      T2x = T2v + T2w; | ||
|  | 			      T2A = T2y + T2z; | ||
|  | 			      T2B = T2x + T2A; | ||
|  | 			      T4s = FNMS(KP250000000, T2B, T2u); | ||
|  | 			      T4t = T2x - T2A; | ||
|  | 			 } | ||
|  | 			 ri[0] = T2u + T2B; | ||
|  | 			 T4C = FNMS(KP559016994, T4t, T4s); | ||
|  | 			 ri[WS(rs, 12)] = FNMS(KP951056516, T4D, T4C); | ||
|  | 			 ri[WS(rs, 8)] = FMA(KP951056516, T4D, T4C); | ||
|  | 			 T4u = FMA(KP559016994, T4t, T4s); | ||
|  | 			 ri[WS(rs, 4)] = FNMS(KP951056516, T4B, T4u); | ||
|  | 			 ri[WS(rs, 16)] = FMA(KP951056516, T4B, T4u); | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T4S, T4U, T4M, T4G, T4N, T4O, T4T, T4P; | ||
|  | 			 { | ||
|  | 			      E T4Q, T4R, T4E, T4F; | ||
|  | 			      T4Q = T2v - T2w; | ||
|  | 			      T4R = T2y - T2z; | ||
|  | 			      T4S = FMA(KP618033988, T4R, T4Q); | ||
|  | 			      T4U = FNMS(KP618033988, T4Q, T4R); | ||
|  | 			      T4M = T4H + T4L; | ||
|  | 			      T4E = T4v + T4w; | ||
|  | 			      T4F = T4y + T4z; | ||
|  | 			      T4G = T4E + T4F; | ||
|  | 			      T4N = FNMS(KP250000000, T4G, T4M); | ||
|  | 			      T4O = T4E - T4F; | ||
|  | 			 } | ||
|  | 			 ii[0] = T4G + T4M; | ||
|  | 			 T4T = FNMS(KP559016994, T4O, T4N); | ||
|  | 			 ii[WS(rs, 8)] = FNMS(KP951056516, T4U, T4T); | ||
|  | 			 ii[WS(rs, 12)] = FMA(KP951056516, T4U, T4T); | ||
|  | 			 T4P = FMA(KP559016994, T4O, T4N); | ||
|  | 			 ii[WS(rs, 4)] = FMA(KP951056516, T4S, T4P); | ||
|  | 			 ii[WS(rs, 16)] = FNMS(KP951056516, T4S, T4P); | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T3L, T3N, T2I, T3d, T3e, T3f, T3M, T3g; | ||
|  | 			 { | ||
|  | 			      E T3v, T3K, T2X, T3c; | ||
|  | 			      T3v = T3n - T3u; | ||
|  | 			      T3K = T3C - T3J; | ||
|  | 			      T3L = FNMS(KP618033988, T3K, T3v); | ||
|  | 			      T3N = FMA(KP618033988, T3v, T3K); | ||
|  | 			      T2I = T2C - T2H; | ||
|  | 			      T2X = T2P + T2W; | ||
|  | 			      T3c = T34 + T3b; | ||
|  | 			      T3d = T2X + T3c; | ||
|  | 			      T3e = FNMS(KP250000000, T3d, T2I); | ||
|  | 			      T3f = T2X - T3c; | ||
|  | 			 } | ||
|  | 			 ri[WS(rs, 15)] = T2I + T3d; | ||
|  | 			 T3M = FMA(KP559016994, T3f, T3e); | ||
|  | 			 ri[WS(rs, 11)] = FMA(KP951056516, T3N, T3M); | ||
|  | 			 ri[WS(rs, 19)] = FNMS(KP951056516, T3N, T3M); | ||
|  | 			 T3g = FNMS(KP559016994, T3f, T3e); | ||
|  | 			 ri[WS(rs, 3)] = FMA(KP951056516, T3L, T3g); | ||
|  | 			 ri[WS(rs, 7)] = FNMS(KP951056516, T3L, T3g); | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T5u, T5w, T5l, T5o, T5p, T5q, T5v, T5r; | ||
|  | 			 { | ||
|  | 			      E T5s, T5t, T5m, T5n; | ||
|  | 			      T5s = T34 - T3b; | ||
|  | 			      T5t = T2P - T2W; | ||
|  | 			      T5u = FNMS(KP618033988, T5t, T5s); | ||
|  | 			      T5w = FMA(KP618033988, T5s, T5t); | ||
|  | 			      T5l = T58 + T57; | ||
|  | 			      T5m = T3C + T3J; | ||
|  | 			      T5n = T3n + T3u; | ||
|  | 			      T5o = T5m + T5n; | ||
|  | 			      T5p = FNMS(KP250000000, T5o, T5l); | ||
|  | 			      T5q = T5m - T5n; | ||
|  | 			 } | ||
|  | 			 ii[WS(rs, 15)] = T5o + T5l; | ||
|  | 			 T5v = FMA(KP559016994, T5q, T5p); | ||
|  | 			 ii[WS(rs, 11)] = FNMS(KP951056516, T5w, T5v); | ||
|  | 			 ii[WS(rs, 19)] = FMA(KP951056516, T5w, T5v); | ||
|  | 			 T5r = FNMS(KP559016994, T5q, T5p); | ||
|  | 			 ii[WS(rs, 3)] = FNMS(KP951056516, T5u, T5r); | ||
|  | 			 ii[WS(rs, 7)] = FMA(KP951056516, T5u, T5r); | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T45, T47, T3O, T3V, T3W, T3X, T46, T3Y; | ||
|  | 			 { | ||
|  | 			      E T41, T44, T3R, T3U; | ||
|  | 			      T41 = T3Z - T40; | ||
|  | 			      T44 = T42 - T43; | ||
|  | 			      T45 = FMA(KP618033988, T44, T41); | ||
|  | 			      T47 = FNMS(KP618033988, T41, T44); | ||
|  | 			      T3O = T2C + T2H; | ||
|  | 			      T3R = T3P + T3Q; | ||
|  | 			      T3U = T3S + T3T; | ||
|  | 			      T3V = T3R + T3U; | ||
|  | 			      T3W = FNMS(KP250000000, T3V, T3O); | ||
|  | 			      T3X = T3R - T3U; | ||
|  | 			 } | ||
|  | 			 ri[WS(rs, 5)] = T3O + T3V; | ||
|  | 			 T46 = FNMS(KP559016994, T3X, T3W); | ||
|  | 			 ri[WS(rs, 13)] = FMA(KP951056516, T47, T46); | ||
|  | 			 ri[WS(rs, 17)] = FNMS(KP951056516, T47, T46); | ||
|  | 			 T3Y = FMA(KP559016994, T3X, T3W); | ||
|  | 			 ri[WS(rs, 1)] = FMA(KP951056516, T45, T3Y); | ||
|  | 			 ri[WS(rs, 9)] = FNMS(KP951056516, T45, T3Y); | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T5i, T5k, T59, T5c, T5d, T5e, T5j, T5f; | ||
|  | 			 { | ||
|  | 			      E T5g, T5h, T5a, T5b; | ||
|  | 			      T5g = T3P - T3Q; | ||
|  | 			      T5h = T3S - T3T; | ||
|  | 			      T5i = FMA(KP618033988, T5h, T5g); | ||
|  | 			      T5k = FNMS(KP618033988, T5g, T5h); | ||
|  | 			      T59 = T57 - T58; | ||
|  | 			      T5a = T3Z + T40; | ||
|  | 			      T5b = T42 + T43; | ||
|  | 			      T5c = T5a + T5b; | ||
|  | 			      T5d = FNMS(KP250000000, T5c, T59); | ||
|  | 			      T5e = T5a - T5b; | ||
|  | 			 } | ||
|  | 			 ii[WS(rs, 5)] = T5c + T59; | ||
|  | 			 T5j = FNMS(KP559016994, T5e, T5d); | ||
|  | 			 ii[WS(rs, 13)] = FNMS(KP951056516, T5k, T5j); | ||
|  | 			 ii[WS(rs, 17)] = FMA(KP951056516, T5k, T5j); | ||
|  | 			 T5f = FMA(KP559016994, T5e, T5d); | ||
|  | 			 ii[WS(rs, 1)] = FNMS(KP951056516, T5i, T5f); | ||
|  | 			 ii[WS(rs, 9)] = FMA(KP951056516, T5i, T5f); | ||
|  | 		    } | ||
|  | 	       } | ||
|  | 	  } | ||
|  |      } | ||
|  | } | ||
|  | 
 | ||
|  | static const tw_instr twinstr[] = { | ||
|  |      { TW_CEXP, 0, 1 }, | ||
|  |      { TW_CEXP, 0, 3 }, | ||
|  |      { TW_CEXP, 0, 9 }, | ||
|  |      { TW_CEXP, 0, 19 }, | ||
|  |      { TW_NEXT, 1, 0 } | ||
|  | }; | ||
|  | 
 | ||
|  | static const ct_desc desc = { 20, "t2_20", twinstr, &GENUS, { 136, 58, 140, 0 }, 0, 0, 0 }; | ||
|  | 
 | ||
|  | void X(codelet_t2_20) (planner *p) { | ||
|  |      X(kdft_dit_register) (p, t2_20, &desc); | ||
|  | } | ||
|  | #else
 | ||
|  | 
 | ||
|  | /* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 20 -name t2_20 -include dft/scalar/t.h */ | ||
|  | 
 | ||
|  | /*
 | ||
|  |  * This function contains 276 FP additions, 164 FP multiplications, | ||
|  |  * (or, 204 additions, 92 multiplications, 72 fused multiply/add), | ||
|  |  * 123 stack variables, 4 constants, and 80 memory accesses | ||
|  |  */ | ||
|  | #include "dft/scalar/t.h"
 | ||
|  | 
 | ||
|  | static void t2_20(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) | ||
|  | { | ||
|  |      DK(KP587785252, +0.587785252292473129168705954639072768597652438); | ||
|  |      DK(KP951056516, +0.951056516295153572116439333379382143405698634); | ||
|  |      DK(KP250000000, +0.250000000000000000000000000000000000000000000); | ||
|  |      DK(KP559016994, +0.559016994374947424102293417182819058860154590); | ||
|  |      { | ||
|  | 	  INT m; | ||
|  | 	  for (m = mb, W = W + (mb * 8); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 8, MAKE_VOLATILE_STRIDE(40, rs)) { | ||
|  | 	       E T2, T5, Tg, Ti, Tk, To, T1h, T1f, T6, T3, T8, T14, T1Q, Tc, T1O; | ||
|  | 	       E T1v, T18, T1t, T1n, T24, T1j, T22, Tq, Tu, T1E, T1G, Tx, Ty, Tz, TJ; | ||
|  | 	       E T1Z, TB, T1X, T1A, TZ, TL, T1y, TX; | ||
|  | 	       { | ||
|  | 		    E T7, T16, Ta, T13, T4, T17, Tb, T12; | ||
|  | 		    { | ||
|  | 			 E Th, Tn, Tj, Tm; | ||
|  | 			 T2 = W[0]; | ||
|  | 			 T5 = W[1]; | ||
|  | 			 Tg = W[2]; | ||
|  | 			 Ti = W[3]; | ||
|  | 			 Th = T2 * Tg; | ||
|  | 			 Tn = T5 * Tg; | ||
|  | 			 Tj = T5 * Ti; | ||
|  | 			 Tm = T2 * Ti; | ||
|  | 			 Tk = Th - Tj; | ||
|  | 			 To = Tm + Tn; | ||
|  | 			 T1h = Tm - Tn; | ||
|  | 			 T1f = Th + Tj; | ||
|  | 			 T6 = W[5]; | ||
|  | 			 T7 = T5 * T6; | ||
|  | 			 T16 = Tg * T6; | ||
|  | 			 Ta = T2 * T6; | ||
|  | 			 T13 = Ti * T6; | ||
|  | 			 T3 = W[4]; | ||
|  | 			 T4 = T2 * T3; | ||
|  | 			 T17 = Ti * T3; | ||
|  | 			 Tb = T5 * T3; | ||
|  | 			 T12 = Tg * T3; | ||
|  | 		    } | ||
|  | 		    T8 = T4 - T7; | ||
|  | 		    T14 = T12 + T13; | ||
|  | 		    T1Q = T16 + T17; | ||
|  | 		    Tc = Ta + Tb; | ||
|  | 		    T1O = T12 - T13; | ||
|  | 		    T1v = Ta - Tb; | ||
|  | 		    T18 = T16 - T17; | ||
|  | 		    T1t = T4 + T7; | ||
|  | 		    { | ||
|  | 			 E T1l, T1m, T1g, T1i; | ||
|  | 			 T1l = T1f * T6; | ||
|  | 			 T1m = T1h * T3; | ||
|  | 			 T1n = T1l + T1m; | ||
|  | 			 T24 = T1l - T1m; | ||
|  | 			 T1g = T1f * T3; | ||
|  | 			 T1i = T1h * T6; | ||
|  | 			 T1j = T1g - T1i; | ||
|  | 			 T22 = T1g + T1i; | ||
|  | 			 { | ||
|  | 			      E Tl, Tp, Ts, Tt; | ||
|  | 			      Tl = Tk * T3; | ||
|  | 			      Tp = To * T6; | ||
|  | 			      Tq = Tl + Tp; | ||
|  | 			      Ts = Tk * T6; | ||
|  | 			      Tt = To * T3; | ||
|  | 			      Tu = Ts - Tt; | ||
|  | 			      T1E = Tl - Tp; | ||
|  | 			      T1G = Ts + Tt; | ||
|  | 			      Tx = W[6]; | ||
|  | 			      Ty = W[7]; | ||
|  | 			      Tz = FMA(Tk, Tx, To * Ty); | ||
|  | 			      TJ = FMA(Tq, Tx, Tu * Ty); | ||
|  | 			      T1Z = FNMS(T1h, Tx, T1f * Ty); | ||
|  | 			      TB = FNMS(To, Tx, Tk * Ty); | ||
|  | 			      T1X = FMA(T1f, Tx, T1h * Ty); | ||
|  | 			      T1A = FNMS(T5, Tx, T2 * Ty); | ||
|  | 			      TZ = FNMS(Ti, Tx, Tg * Ty); | ||
|  | 			      TL = FNMS(Tu, Tx, Tq * Ty); | ||
|  | 			      T1y = FMA(T2, Tx, T5 * Ty); | ||
|  | 			      TX = FMA(Tg, Tx, Ti * Ty); | ||
|  | 			 } | ||
|  | 		    } | ||
|  | 	       } | ||
|  | 	       { | ||
|  | 		    E TF, T2b, T4A, T4J, T2K, T3r, T4a, T4m, T1N, T28, T29, T3C, T3F, T4o, T3X; | ||
|  | 		    E T3Y, T44, T2f, T2g, T2h, T2n, T2s, T4L, T3g, T3h, T4w, T3n, T3o, T3p, T30; | ||
|  | 		    E T35, T36, TW, T1r, T1s, T3J, T3M, T4n, T3U, T3V, T43, T2c, T2d, T2e, T2y; | ||
|  | 		    E T2D, T4K, T3d, T3e, T4v, T3k, T3l, T3m, T2P, T2U, T2V; | ||
|  | 		    { | ||
|  | 			 E T1, T48, Te, T47, Tw, T2H, TD, T2I, T9, Td; | ||
|  | 			 T1 = ri[0]; | ||
|  | 			 T48 = ii[0]; | ||
|  | 			 T9 = ri[WS(rs, 10)]; | ||
|  | 			 Td = ii[WS(rs, 10)]; | ||
|  | 			 Te = FMA(T8, T9, Tc * Td); | ||
|  | 			 T47 = FNMS(Tc, T9, T8 * Td); | ||
|  | 			 { | ||
|  | 			      E Tr, Tv, TA, TC; | ||
|  | 			      Tr = ri[WS(rs, 5)]; | ||
|  | 			      Tv = ii[WS(rs, 5)]; | ||
|  | 			      Tw = FMA(Tq, Tr, Tu * Tv); | ||
|  | 			      T2H = FNMS(Tu, Tr, Tq * Tv); | ||
|  | 			      TA = ri[WS(rs, 15)]; | ||
|  | 			      TC = ii[WS(rs, 15)]; | ||
|  | 			      TD = FMA(Tz, TA, TB * TC); | ||
|  | 			      T2I = FNMS(TB, TA, Tz * TC); | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E Tf, TE, T4y, T4z; | ||
|  | 			      Tf = T1 + Te; | ||
|  | 			      TE = Tw + TD; | ||
|  | 			      TF = Tf - TE; | ||
|  | 			      T2b = Tf + TE; | ||
|  | 			      T4y = T48 - T47; | ||
|  | 			      T4z = Tw - TD; | ||
|  | 			      T4A = T4y - T4z; | ||
|  | 			      T4J = T4z + T4y; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T2G, T2J, T46, T49; | ||
|  | 			      T2G = T1 - Te; | ||
|  | 			      T2J = T2H - T2I; | ||
|  | 			      T2K = T2G - T2J; | ||
|  | 			      T3r = T2G + T2J; | ||
|  | 			      T46 = T2H + T2I; | ||
|  | 			      T49 = T47 + T48; | ||
|  | 			      T4a = T46 + T49; | ||
|  | 			      T4m = T49 - T46; | ||
|  | 			 } | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T1D, T3A, T2l, T2W, T27, T3E, T2r, T34, T1M, T3B, T2m, T2Z, T1W, T3D, T2q; | ||
|  | 			 E T31; | ||
|  | 			 { | ||
|  | 			      E T1x, T2j, T1C, T2k; | ||
|  | 			      { | ||
|  | 				   E T1u, T1w, T1z, T1B; | ||
|  | 				   T1u = ri[WS(rs, 8)]; | ||
|  | 				   T1w = ii[WS(rs, 8)]; | ||
|  | 				   T1x = FMA(T1t, T1u, T1v * T1w); | ||
|  | 				   T2j = FNMS(T1v, T1u, T1t * T1w); | ||
|  | 				   T1z = ri[WS(rs, 18)]; | ||
|  | 				   T1B = ii[WS(rs, 18)]; | ||
|  | 				   T1C = FMA(T1y, T1z, T1A * T1B); | ||
|  | 				   T2k = FNMS(T1A, T1z, T1y * T1B); | ||
|  | 			      } | ||
|  | 			      T1D = T1x + T1C; | ||
|  | 			      T3A = T2j + T2k; | ||
|  | 			      T2l = T2j - T2k; | ||
|  | 			      T2W = T1x - T1C; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T21, T32, T26, T33; | ||
|  | 			      { | ||
|  | 				   E T1Y, T20, T23, T25; | ||
|  | 				   T1Y = ri[WS(rs, 17)]; | ||
|  | 				   T20 = ii[WS(rs, 17)]; | ||
|  | 				   T21 = FMA(T1X, T1Y, T1Z * T20); | ||
|  | 				   T32 = FNMS(T1Z, T1Y, T1X * T20); | ||
|  | 				   T23 = ri[WS(rs, 7)]; | ||
|  | 				   T25 = ii[WS(rs, 7)]; | ||
|  | 				   T26 = FMA(T22, T23, T24 * T25); | ||
|  | 				   T33 = FNMS(T24, T23, T22 * T25); | ||
|  | 			      } | ||
|  | 			      T27 = T21 + T26; | ||
|  | 			      T3E = T32 + T33; | ||
|  | 			      T2r = T21 - T26; | ||
|  | 			      T34 = T32 - T33; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1I, T2X, T1L, T2Y; | ||
|  | 			      { | ||
|  | 				   E T1F, T1H, T1J, T1K; | ||
|  | 				   T1F = ri[WS(rs, 13)]; | ||
|  | 				   T1H = ii[WS(rs, 13)]; | ||
|  | 				   T1I = FMA(T1E, T1F, T1G * T1H); | ||
|  | 				   T2X = FNMS(T1G, T1F, T1E * T1H); | ||
|  | 				   T1J = ri[WS(rs, 3)]; | ||
|  | 				   T1K = ii[WS(rs, 3)]; | ||
|  | 				   T1L = FMA(Tg, T1J, Ti * T1K); | ||
|  | 				   T2Y = FNMS(Ti, T1J, Tg * T1K); | ||
|  | 			      } | ||
|  | 			      T1M = T1I + T1L; | ||
|  | 			      T3B = T2X + T2Y; | ||
|  | 			      T2m = T1I - T1L; | ||
|  | 			      T2Z = T2X - T2Y; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1S, T2o, T1V, T2p; | ||
|  | 			      { | ||
|  | 				   E T1P, T1R, T1T, T1U; | ||
|  | 				   T1P = ri[WS(rs, 12)]; | ||
|  | 				   T1R = ii[WS(rs, 12)]; | ||
|  | 				   T1S = FMA(T1O, T1P, T1Q * T1R); | ||
|  | 				   T2o = FNMS(T1Q, T1P, T1O * T1R); | ||
|  | 				   T1T = ri[WS(rs, 2)]; | ||
|  | 				   T1U = ii[WS(rs, 2)]; | ||
|  | 				   T1V = FMA(T1f, T1T, T1h * T1U); | ||
|  | 				   T2p = FNMS(T1h, T1T, T1f * T1U); | ||
|  | 			      } | ||
|  | 			      T1W = T1S + T1V; | ||
|  | 			      T3D = T2o + T2p; | ||
|  | 			      T2q = T2o - T2p; | ||
|  | 			      T31 = T1S - T1V; | ||
|  | 			 } | ||
|  | 			 T1N = T1D - T1M; | ||
|  | 			 T28 = T1W - T27; | ||
|  | 			 T29 = T1N + T28; | ||
|  | 			 T3C = T3A - T3B; | ||
|  | 			 T3F = T3D - T3E; | ||
|  | 			 T4o = T3C + T3F; | ||
|  | 			 T3X = T3A + T3B; | ||
|  | 			 T3Y = T3D + T3E; | ||
|  | 			 T44 = T3X + T3Y; | ||
|  | 			 T2f = T1D + T1M; | ||
|  | 			 T2g = T1W + T27; | ||
|  | 			 T2h = T2f + T2g; | ||
|  | 			 T2n = T2l + T2m; | ||
|  | 			 T2s = T2q + T2r; | ||
|  | 			 T4L = T2n + T2s; | ||
|  | 			 T3g = T2l - T2m; | ||
|  | 			 T3h = T2q - T2r; | ||
|  | 			 T4w = T3g + T3h; | ||
|  | 			 T3n = T2W + T2Z; | ||
|  | 			 T3o = T31 + T34; | ||
|  | 			 T3p = T3n + T3o; | ||
|  | 			 T30 = T2W - T2Z; | ||
|  | 			 T35 = T31 - T34; | ||
|  | 			 T36 = T30 + T35; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E TO, T3H, T2w, T2L, T1q, T3L, T2C, T2T, TV, T3I, T2x, T2O, T1b, T3K, T2B; | ||
|  | 			 E T2Q; | ||
|  | 			 { | ||
|  | 			      E TI, T2u, TN, T2v; | ||
|  | 			      { | ||
|  | 				   E TG, TH, TK, TM; | ||
|  | 				   TG = ri[WS(rs, 4)]; | ||
|  | 				   TH = ii[WS(rs, 4)]; | ||
|  | 				   TI = FMA(Tk, TG, To * TH); | ||
|  | 				   T2u = FNMS(To, TG, Tk * TH); | ||
|  | 				   TK = ri[WS(rs, 14)]; | ||
|  | 				   TM = ii[WS(rs, 14)]; | ||
|  | 				   TN = FMA(TJ, TK, TL * TM); | ||
|  | 				   T2v = FNMS(TL, TK, TJ * TM); | ||
|  | 			      } | ||
|  | 			      TO = TI + TN; | ||
|  | 			      T3H = T2u + T2v; | ||
|  | 			      T2w = T2u - T2v; | ||
|  | 			      T2L = TI - TN; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T1e, T2R, T1p, T2S; | ||
|  | 			      { | ||
|  | 				   E T1c, T1d, T1k, T1o; | ||
|  | 				   T1c = ri[WS(rs, 1)]; | ||
|  | 				   T1d = ii[WS(rs, 1)]; | ||
|  | 				   T1e = FMA(T2, T1c, T5 * T1d); | ||
|  | 				   T2R = FNMS(T5, T1c, T2 * T1d); | ||
|  | 				   T1k = ri[WS(rs, 11)]; | ||
|  | 				   T1o = ii[WS(rs, 11)]; | ||
|  | 				   T1p = FMA(T1j, T1k, T1n * T1o); | ||
|  | 				   T2S = FNMS(T1n, T1k, T1j * T1o); | ||
|  | 			      } | ||
|  | 			      T1q = T1e + T1p; | ||
|  | 			      T3L = T2R + T2S; | ||
|  | 			      T2C = T1e - T1p; | ||
|  | 			      T2T = T2R - T2S; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E TR, T2M, TU, T2N; | ||
|  | 			      { | ||
|  | 				   E TP, TQ, TS, TT; | ||
|  | 				   TP = ri[WS(rs, 9)]; | ||
|  | 				   TQ = ii[WS(rs, 9)]; | ||
|  | 				   TR = FMA(T3, TP, T6 * TQ); | ||
|  | 				   T2M = FNMS(T6, TP, T3 * TQ); | ||
|  | 				   TS = ri[WS(rs, 19)]; | ||
|  | 				   TT = ii[WS(rs, 19)]; | ||
|  | 				   TU = FMA(Tx, TS, Ty * TT); | ||
|  | 				   T2N = FNMS(Ty, TS, Tx * TT); | ||
|  | 			      } | ||
|  | 			      TV = TR + TU; | ||
|  | 			      T3I = T2M + T2N; | ||
|  | 			      T2x = TR - TU; | ||
|  | 			      T2O = T2M - T2N; | ||
|  | 			 } | ||
|  | 			 { | ||
|  | 			      E T11, T2z, T1a, T2A; | ||
|  | 			      { | ||
|  | 				   E TY, T10, T15, T19; | ||
|  | 				   TY = ri[WS(rs, 16)]; | ||
|  | 				   T10 = ii[WS(rs, 16)]; | ||
|  | 				   T11 = FMA(TX, TY, TZ * T10); | ||
|  | 				   T2z = FNMS(TZ, TY, TX * T10); | ||
|  | 				   T15 = ri[WS(rs, 6)]; | ||
|  | 				   T19 = ii[WS(rs, 6)]; | ||
|  | 				   T1a = FMA(T14, T15, T18 * T19); | ||
|  | 				   T2A = FNMS(T18, T15, T14 * T19); | ||
|  | 			      } | ||
|  | 			      T1b = T11 + T1a; | ||
|  | 			      T3K = T2z + T2A; | ||
|  | 			      T2B = T2z - T2A; | ||
|  | 			      T2Q = T11 - T1a; | ||
|  | 			 } | ||
|  | 			 TW = TO - TV; | ||
|  | 			 T1r = T1b - T1q; | ||
|  | 			 T1s = TW + T1r; | ||
|  | 			 T3J = T3H - T3I; | ||
|  | 			 T3M = T3K - T3L; | ||
|  | 			 T4n = T3J + T3M; | ||
|  | 			 T3U = T3H + T3I; | ||
|  | 			 T3V = T3K + T3L; | ||
|  | 			 T43 = T3U + T3V; | ||
|  | 			 T2c = TO + TV; | ||
|  | 			 T2d = T1b + T1q; | ||
|  | 			 T2e = T2c + T2d; | ||
|  | 			 T2y = T2w + T2x; | ||
|  | 			 T2D = T2B + T2C; | ||
|  | 			 T4K = T2y + T2D; | ||
|  | 			 T3d = T2w - T2x; | ||
|  | 			 T3e = T2B - T2C; | ||
|  | 			 T4v = T3d + T3e; | ||
|  | 			 T3k = T2L + T2O; | ||
|  | 			 T3l = T2Q + T2T; | ||
|  | 			 T3m = T3k + T3l; | ||
|  | 			 T2P = T2L - T2O; | ||
|  | 			 T2U = T2Q - T2T; | ||
|  | 			 T2V = T2P + T2U; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T3y, T2a, T3x, T3O, T3Q, T3G, T3N, T3P, T3z; | ||
|  | 			 T3y = KP559016994 * (T1s - T29); | ||
|  | 			 T2a = T1s + T29; | ||
|  | 			 T3x = FNMS(KP250000000, T2a, TF); | ||
|  | 			 T3G = T3C - T3F; | ||
|  | 			 T3N = T3J - T3M; | ||
|  | 			 T3O = FNMS(KP587785252, T3N, KP951056516 * T3G); | ||
|  | 			 T3Q = FMA(KP951056516, T3N, KP587785252 * T3G); | ||
|  | 			 ri[WS(rs, 10)] = TF + T2a; | ||
|  | 			 T3P = T3y + T3x; | ||
|  | 			 ri[WS(rs, 14)] = T3P - T3Q; | ||
|  | 			 ri[WS(rs, 6)] = T3P + T3Q; | ||
|  | 			 T3z = T3x - T3y; | ||
|  | 			 ri[WS(rs, 2)] = T3z - T3O; | ||
|  | 			 ri[WS(rs, 18)] = T3z + T3O; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T4r, T4p, T4q, T4l, T4u, T4j, T4k, T4t, T4s; | ||
|  | 			 T4r = KP559016994 * (T4n - T4o); | ||
|  | 			 T4p = T4n + T4o; | ||
|  | 			 T4q = FNMS(KP250000000, T4p, T4m); | ||
|  | 			 T4j = T1N - T28; | ||
|  | 			 T4k = TW - T1r; | ||
|  | 			 T4l = FNMS(KP587785252, T4k, KP951056516 * T4j); | ||
|  | 			 T4u = FMA(KP951056516, T4k, KP587785252 * T4j); | ||
|  | 			 ii[WS(rs, 10)] = T4p + T4m; | ||
|  | 			 T4t = T4r + T4q; | ||
|  | 			 ii[WS(rs, 6)] = T4t - T4u; | ||
|  | 			 ii[WS(rs, 14)] = T4u + T4t; | ||
|  | 			 T4s = T4q - T4r; | ||
|  | 			 ii[WS(rs, 2)] = T4l + T4s; | ||
|  | 			 ii[WS(rs, 18)] = T4s - T4l; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T3R, T2i, T3S, T40, T42, T3W, T3Z, T41, T3T; | ||
|  | 			 T3R = KP559016994 * (T2e - T2h); | ||
|  | 			 T2i = T2e + T2h; | ||
|  | 			 T3S = FNMS(KP250000000, T2i, T2b); | ||
|  | 			 T3W = T3U - T3V; | ||
|  | 			 T3Z = T3X - T3Y; | ||
|  | 			 T40 = FMA(KP951056516, T3W, KP587785252 * T3Z); | ||
|  | 			 T42 = FNMS(KP587785252, T3W, KP951056516 * T3Z); | ||
|  | 			 ri[0] = T2b + T2i; | ||
|  | 			 T41 = T3S - T3R; | ||
|  | 			 ri[WS(rs, 12)] = T41 - T42; | ||
|  | 			 ri[WS(rs, 8)] = T41 + T42; | ||
|  | 			 T3T = T3R + T3S; | ||
|  | 			 ri[WS(rs, 4)] = T3T - T40; | ||
|  | 			 ri[WS(rs, 16)] = T3T + T40; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T4e, T45, T4f, T4d, T4i, T4b, T4c, T4h, T4g; | ||
|  | 			 T4e = KP559016994 * (T43 - T44); | ||
|  | 			 T45 = T43 + T44; | ||
|  | 			 T4f = FNMS(KP250000000, T45, T4a); | ||
|  | 			 T4b = T2c - T2d; | ||
|  | 			 T4c = T2f - T2g; | ||
|  | 			 T4d = FMA(KP951056516, T4b, KP587785252 * T4c); | ||
|  | 			 T4i = FNMS(KP587785252, T4b, KP951056516 * T4c); | ||
|  | 			 ii[0] = T45 + T4a; | ||
|  | 			 T4h = T4f - T4e; | ||
|  | 			 ii[WS(rs, 8)] = T4h - T4i; | ||
|  | 			 ii[WS(rs, 12)] = T4i + T4h; | ||
|  | 			 T4g = T4e + T4f; | ||
|  | 			 ii[WS(rs, 4)] = T4d + T4g; | ||
|  | 			 ii[WS(rs, 16)] = T4g - T4d; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T39, T37, T38, T2F, T3b, T2t, T2E, T3c, T3a; | ||
|  | 			 T39 = KP559016994 * (T2V - T36); | ||
|  | 			 T37 = T2V + T36; | ||
|  | 			 T38 = FNMS(KP250000000, T37, T2K); | ||
|  | 			 T2t = T2n - T2s; | ||
|  | 			 T2E = T2y - T2D; | ||
|  | 			 T2F = FNMS(KP587785252, T2E, KP951056516 * T2t); | ||
|  | 			 T3b = FMA(KP951056516, T2E, KP587785252 * T2t); | ||
|  | 			 ri[WS(rs, 15)] = T2K + T37; | ||
|  | 			 T3c = T39 + T38; | ||
|  | 			 ri[WS(rs, 11)] = T3b + T3c; | ||
|  | 			 ri[WS(rs, 19)] = T3c - T3b; | ||
|  | 			 T3a = T38 - T39; | ||
|  | 			 ri[WS(rs, 3)] = T2F + T3a; | ||
|  | 			 ri[WS(rs, 7)] = T3a - T2F; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T4O, T4M, T4N, T4S, T4U, T4Q, T4R, T4T, T4P; | ||
|  | 			 T4O = KP559016994 * (T4K - T4L); | ||
|  | 			 T4M = T4K + T4L; | ||
|  | 			 T4N = FNMS(KP250000000, T4M, T4J); | ||
|  | 			 T4Q = T30 - T35; | ||
|  | 			 T4R = T2P - T2U; | ||
|  | 			 T4S = FNMS(KP587785252, T4R, KP951056516 * T4Q); | ||
|  | 			 T4U = FMA(KP951056516, T4R, KP587785252 * T4Q); | ||
|  | 			 ii[WS(rs, 15)] = T4M + T4J; | ||
|  | 			 T4T = T4O + T4N; | ||
|  | 			 ii[WS(rs, 11)] = T4T - T4U; | ||
|  | 			 ii[WS(rs, 19)] = T4U + T4T; | ||
|  | 			 T4P = T4N - T4O; | ||
|  | 			 ii[WS(rs, 3)] = T4P - T4S; | ||
|  | 			 ii[WS(rs, 7)] = T4S + T4P; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T3q, T3s, T3t, T3j, T3v, T3f, T3i, T3w, T3u; | ||
|  | 			 T3q = KP559016994 * (T3m - T3p); | ||
|  | 			 T3s = T3m + T3p; | ||
|  | 			 T3t = FNMS(KP250000000, T3s, T3r); | ||
|  | 			 T3f = T3d - T3e; | ||
|  | 			 T3i = T3g - T3h; | ||
|  | 			 T3j = FMA(KP951056516, T3f, KP587785252 * T3i); | ||
|  | 			 T3v = FNMS(KP587785252, T3f, KP951056516 * T3i); | ||
|  | 			 ri[WS(rs, 5)] = T3r + T3s; | ||
|  | 			 T3w = T3t - T3q; | ||
|  | 			 ri[WS(rs, 13)] = T3v + T3w; | ||
|  | 			 ri[WS(rs, 17)] = T3w - T3v; | ||
|  | 			 T3u = T3q + T3t; | ||
|  | 			 ri[WS(rs, 1)] = T3j + T3u; | ||
|  | 			 ri[WS(rs, 9)] = T3u - T3j; | ||
|  | 		    } | ||
|  | 		    { | ||
|  | 			 E T4x, T4B, T4C, T4G, T4I, T4E, T4F, T4H, T4D; | ||
|  | 			 T4x = KP559016994 * (T4v - T4w); | ||
|  | 			 T4B = T4v + T4w; | ||
|  | 			 T4C = FNMS(KP250000000, T4B, T4A); | ||
|  | 			 T4E = T3k - T3l; | ||
|  | 			 T4F = T3n - T3o; | ||
|  | 			 T4G = FMA(KP951056516, T4E, KP587785252 * T4F); | ||
|  | 			 T4I = FNMS(KP587785252, T4E, KP951056516 * T4F); | ||
|  | 			 ii[WS(rs, 5)] = T4B + T4A; | ||
|  | 			 T4H = T4C - T4x; | ||
|  | 			 ii[WS(rs, 13)] = T4H - T4I; | ||
|  | 			 ii[WS(rs, 17)] = T4I + T4H; | ||
|  | 			 T4D = T4x + T4C; | ||
|  | 			 ii[WS(rs, 1)] = T4D - T4G; | ||
|  | 			 ii[WS(rs, 9)] = T4G + T4D; | ||
|  | 		    } | ||
|  | 	       } | ||
|  | 	  } | ||
|  |      } | ||
|  | } | ||
|  | 
 | ||
|  | static const tw_instr twinstr[] = { | ||
|  |      { TW_CEXP, 0, 1 }, | ||
|  |      { TW_CEXP, 0, 3 }, | ||
|  |      { TW_CEXP, 0, 9 }, | ||
|  |      { TW_CEXP, 0, 19 }, | ||
|  |      { TW_NEXT, 1, 0 } | ||
|  | }; | ||
|  | 
 | ||
|  | static const ct_desc desc = { 20, "t2_20", twinstr, &GENUS, { 204, 92, 72, 0 }, 0, 0, 0 }; | ||
|  | 
 | ||
|  | void X(codelet_t2_20) (planner *p) { | ||
|  |      X(kdft_dit_register) (p, t2_20, &desc); | ||
|  | } | ||
|  | #endif
 |