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root / src / fftw-3.3.8 / dft / scalar / codelets / t1_5.c @ 167:bd3cc4d1df30
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Thu May 24 08:04:12 EDT 2018 */
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#include "dft/codelet-dft.h" |
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_twiddle.native -fma -compact -variables 4 -pipeline-latency 4 -n 5 -name t1_5 -include dft/scalar/t.h */
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/*
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* This function contains 40 FP additions, 34 FP multiplications,
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* (or, 14 additions, 8 multiplications, 26 fused multiply/add),
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* 31 stack variables, 4 constants, and 20 memory accesses
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*/
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#include "dft/scalar/t.h" |
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static void t1_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
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DK(KP951056516, +0.951056516295153572116439333379382143405698634); |
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DK(KP559016994, +0.559016994374947424102293417182819058860154590); |
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DK(KP618033988, +0.618033988749894848204586834365638117720309180); |
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DK(KP250000000, +0.250000000000000000000000000000000000000000000); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 8); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 8, MAKE_VOLATILE_STRIDE(10, rs)) { |
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E T1, TM, T7, Tx, Td, Tz, Te, TJ, Tk, TC, Tq, TE, Tr, TK; |
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T1 = ri[0];
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TM = ii[0];
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{
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E T3, T6, T4, Tw, T9, Tc, Ta, Ty, T2, T8, T5, Tb; |
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T3 = ri[WS(rs, 1)];
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T6 = ii[WS(rs, 1)];
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T2 = W[0];
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T4 = T2 * T3; |
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Tw = T2 * T6; |
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T9 = ri[WS(rs, 4)];
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Tc = ii[WS(rs, 4)];
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T8 = W[6];
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Ta = T8 * T9; |
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Ty = T8 * Tc; |
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T5 = W[1];
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T7 = FMA(T5, T6, T4); |
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Tx = FNMS(T5, T3, Tw); |
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Tb = W[7];
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Td = FMA(Tb, Tc, Ta); |
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Tz = FNMS(Tb, T9, Ty); |
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Te = T7 + Td; |
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TJ = Tx + Tz; |
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} |
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{
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E Tg, Tj, Th, TB, Tm, Tp, Tn, TD, Tf, Tl, Ti, To; |
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Tg = ri[WS(rs, 2)];
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Tj = ii[WS(rs, 2)];
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Tf = W[2];
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Th = Tf * Tg; |
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TB = Tf * Tj; |
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Tm = ri[WS(rs, 3)];
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Tp = ii[WS(rs, 3)];
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Tl = W[4];
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Tn = Tl * Tm; |
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TD = Tl * Tp; |
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Ti = W[3];
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Tk = FMA(Ti, Tj, Th); |
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TC = FNMS(Ti, Tg, TB); |
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To = W[5];
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Tq = FMA(To, Tp, Tn); |
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TE = FNMS(To, Tm, TD); |
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Tr = Tk + Tq; |
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TK = TC + TE; |
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} |
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{
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E Tu, Ts, Tt, TG, TI, TA, TF, TH, Tv; |
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Tu = Te - Tr; |
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Ts = Te + Tr; |
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Tt = FNMS(KP250000000, Ts, T1); |
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TA = Tx - Tz; |
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TF = TC - TE; |
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TG = FMA(KP618033988, TF, TA); |
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TI = FNMS(KP618033988, TA, TF); |
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ri[0] = T1 + Ts;
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TH = FNMS(KP559016994, Tu, Tt); |
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ri[WS(rs, 2)] = FNMS(KP951056516, TI, TH);
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ri[WS(rs, 3)] = FMA(KP951056516, TI, TH);
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Tv = FMA(KP559016994, Tu, Tt); |
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ri[WS(rs, 4)] = FNMS(KP951056516, TG, Tv);
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ri[WS(rs, 1)] = FMA(KP951056516, TG, Tv);
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} |
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{
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E TO, TL, TN, TS, TU, TQ, TR, TT, TP; |
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TO = TJ - TK; |
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TL = TJ + TK; |
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TN = FNMS(KP250000000, TL, TM); |
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TQ = T7 - Td; |
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TR = Tk - Tq; |
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TS = FMA(KP618033988, TR, TQ); |
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TU = FNMS(KP618033988, TQ, TR); |
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ii[0] = TL + TM;
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TT = FNMS(KP559016994, TO, TN); |
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ii[WS(rs, 2)] = FMA(KP951056516, TU, TT);
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ii[WS(rs, 3)] = FNMS(KP951056516, TU, TT);
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TP = FMA(KP559016994, TO, TN); |
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ii[WS(rs, 1)] = FNMS(KP951056516, TS, TP);
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ii[WS(rs, 4)] = FMA(KP951056516, TS, TP);
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} |
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} |
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} |
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} |
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static const tw_instr twinstr[] = { |
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{TW_FULL, 0, 5},
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{TW_NEXT, 1, 0}
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}; |
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static const ct_desc desc = { 5, "t1_5", twinstr, &GENUS, {14, 8, 26, 0}, 0, 0, 0 }; |
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void X(codelet_t1_5) (planner *p) {
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X(kdft_dit_register) (p, t1_5, &desc); |
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} |
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#else
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/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -n 5 -name t1_5 -include dft/scalar/t.h */
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/*
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* This function contains 40 FP additions, 28 FP multiplications,
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* (or, 26 additions, 14 multiplications, 14 fused multiply/add),
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* 29 stack variables, 4 constants, and 20 memory accesses
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*/
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#include "dft/scalar/t.h" |
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static void t1_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms) |
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{
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DK(KP250000000, +0.250000000000000000000000000000000000000000000); |
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DK(KP559016994, +0.559016994374947424102293417182819058860154590); |
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DK(KP587785252, +0.587785252292473129168705954639072768597652438); |
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DK(KP951056516, +0.951056516295153572116439333379382143405698634); |
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{
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INT m; |
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for (m = mb, W = W + (mb * 8); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 8, MAKE_VOLATILE_STRIDE(10, rs)) { |
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E T1, TE, Tu, Tx, TJ, TI, TB, TC, TD, Tc, Tn, To; |
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T1 = ri[0];
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TE = ii[0];
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{
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E T6, Ts, Tm, Tw, Tb, Tt, Th, Tv; |
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{
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E T3, T5, T2, T4; |
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T3 = ri[WS(rs, 1)];
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T5 = ii[WS(rs, 1)];
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T2 = W[0];
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T4 = W[1];
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T6 = FMA(T2, T3, T4 * T5); |
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Ts = FNMS(T4, T3, T2 * T5); |
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} |
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{
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E Tj, Tl, Ti, Tk; |
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Tj = ri[WS(rs, 3)];
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Tl = ii[WS(rs, 3)];
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Ti = W[4];
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Tk = W[5];
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Tm = FMA(Ti, Tj, Tk * Tl); |
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Tw = FNMS(Tk, Tj, Ti * Tl); |
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} |
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{
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E T8, Ta, T7, T9; |
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T8 = ri[WS(rs, 4)];
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Ta = ii[WS(rs, 4)];
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T7 = W[6];
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T9 = W[7];
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Tb = FMA(T7, T8, T9 * Ta); |
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Tt = FNMS(T9, T8, T7 * Ta); |
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} |
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{
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E Te, Tg, Td, Tf; |
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Te = ri[WS(rs, 2)];
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Tg = ii[WS(rs, 2)];
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Td = W[2];
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Tf = W[3];
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Th = FMA(Td, Te, Tf * Tg); |
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Tv = FNMS(Tf, Te, Td * Tg); |
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} |
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Tu = Ts - Tt; |
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Tx = Tv - Tw; |
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TJ = Th - Tm; |
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TI = T6 - Tb; |
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TB = Ts + Tt; |
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TC = Tv + Tw; |
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TD = TB + TC; |
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Tc = T6 + Tb; |
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Tn = Th + Tm; |
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To = Tc + Tn; |
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} |
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ri[0] = T1 + To;
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ii[0] = TD + TE;
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{
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E Ty, TA, Tr, Tz, Tp, Tq; |
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Ty = FMA(KP951056516, Tu, KP587785252 * Tx); |
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TA = FNMS(KP587785252, Tu, KP951056516 * Tx); |
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Tp = KP559016994 * (Tc - Tn); |
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Tq = FNMS(KP250000000, To, T1); |
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Tr = Tp + Tq; |
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Tz = Tq - Tp; |
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ri[WS(rs, 4)] = Tr - Ty;
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ri[WS(rs, 3)] = Tz + TA;
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ri[WS(rs, 1)] = Tr + Ty;
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ri[WS(rs, 2)] = Tz - TA;
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} |
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{
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E TK, TL, TH, TM, TF, TG; |
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TK = FMA(KP951056516, TI, KP587785252 * TJ); |
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TL = FNMS(KP587785252, TI, KP951056516 * TJ); |
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TF = KP559016994 * (TB - TC); |
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TG = FNMS(KP250000000, TD, TE); |
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TH = TF + TG; |
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TM = TG - TF; |
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ii[WS(rs, 1)] = TH - TK;
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ii[WS(rs, 3)] = TM - TL;
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ii[WS(rs, 4)] = TK + TH;
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ii[WS(rs, 2)] = TL + TM;
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} |
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} |
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} |
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} |
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static const tw_instr twinstr[] = { |
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{TW_FULL, 0, 5},
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{TW_NEXT, 1, 0}
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}; |
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static const ct_desc desc = { 5, "t1_5", twinstr, &GENUS, {26, 14, 14, 0}, 0, 0, 0 }; |
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void X(codelet_t1_5) (planner *p) {
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X(kdft_dit_register) (p, t1_5, &desc); |
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} |
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#endif
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