mirror of
https://github.com/tildearrow/furnace.git
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219 lines
5.9 KiB
C
219 lines
5.9 KiB
C
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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 Tue Sep 14 10:46:36 EDT 2021 */
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#include "rdft/codelet-rdft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -n 4 -dit -name hc2cfdft_4 -include rdft/scalar/hc2cf.h */
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/*
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* This function contains 30 FP additions, 20 FP multiplications,
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* (or, 24 additions, 14 multiplications, 6 fused multiply/add),
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* 31 stack variables, 1 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/hc2cf.h"
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static void hc2cfdft_4(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) {
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E Td, Tl, Tu, Tk, TC, Tf, Tj, T4, Tr, T9, To, T5, Tv, Tp, TA;
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E Tb, Tc;
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Tb = Ip[0];
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Tc = Im[0];
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Td = Tb - Tc;
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Tl = Tb + Tc;
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{
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E Tg, Th, Ti, T1, Tn;
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Tg = Rm[0];
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Th = Rp[0];
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Ti = Tg - Th;
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Tu = Th + Tg;
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Tk = W[1];
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TC = Tk * Ti;
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Tf = W[0];
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Tj = Tf * Ti;
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{
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E T2, T3, T7, T8;
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T2 = Ip[WS(rs, 1)];
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T3 = Im[WS(rs, 1)];
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T4 = T2 - T3;
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Tr = T2 + T3;
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T7 = Rp[WS(rs, 1)];
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T8 = Rm[WS(rs, 1)];
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T9 = T7 + T8;
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To = T7 - T8;
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}
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T1 = W[2];
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T5 = T1 * T4;
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Tv = T1 * T9;
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Tn = W[4];
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Tp = Tn * To;
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TA = Tn * Tr;
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}
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{
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E Tm, TD, Ta, Tw, Ts, TB, T6, Tq;
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Tm = FNMS(Tk, Tl, Tj);
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TD = FMA(Tf, Tl, TC);
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T6 = W[3];
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Ta = FNMS(T6, T9, T5);
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Tw = FMA(T6, T4, Tv);
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Tq = W[5];
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Ts = FMA(Tq, Tr, Tp);
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TB = FNMS(Tq, To, TA);
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{
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E Te, Tt, TF, TG;
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Te = Ta + Td;
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Tt = Tm - Ts;
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Ip[0] = KP500000000 * (Te + Tt);
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Im[WS(rs, 1)] = KP500000000 * (Tt - Te);
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TF = Tu + Tw;
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TG = TB + TD;
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Rm[WS(rs, 1)] = KP500000000 * (TF - TG);
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Rp[0] = KP500000000 * (TF + TG);
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}
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{
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E Tx, Ty, Tz, TE;
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Tx = Tu - Tw;
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Ty = Ts + Tm;
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Rm[0] = KP500000000 * (Tx - Ty);
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Rp[WS(rs, 1)] = KP500000000 * (Tx + Ty);
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Tz = Td - Ta;
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TE = TB - TD;
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Ip[WS(rs, 1)] = KP500000000 * (Tz + TE);
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Im[0] = KP500000000 * (TE - Tz);
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}
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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, 1, 4 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 4, "hc2cfdft_4", twinstr, &GENUS, { 24, 14, 6, 0 } };
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void X(codelet_hc2cfdft_4) (planner *p) {
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X(khc2c_register) (p, hc2cfdft_4, &desc, HC2C_VIA_DFT);
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}
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#else
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/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -n 4 -dit -name hc2cfdft_4 -include rdft/scalar/hc2cf.h */
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/*
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* This function contains 30 FP additions, 20 FP multiplications,
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* (or, 24 additions, 14 multiplications, 6 fused multiply/add),
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* 18 stack variables, 1 constants, and 16 memory accesses
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*/
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#include "rdft/scalar/hc2cf.h"
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static void hc2cfdft_4(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) {
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E Tc, Tr, Tk, Tx, T9, Ts, Tp, Tw;
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{
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E Ta, Tb, Tj, Tf, Tg, Th, Te, Ti;
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Ta = Ip[0];
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Tb = Im[0];
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Tj = Ta + Tb;
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Tf = Rm[0];
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Tg = Rp[0];
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Th = Tf - Tg;
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Tc = Ta - Tb;
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Tr = Tg + Tf;
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Te = W[0];
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Ti = W[1];
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Tk = FNMS(Ti, Tj, Te * Th);
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Tx = FMA(Ti, Th, Te * Tj);
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}
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{
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E T4, To, T8, Tm;
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{
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E T2, T3, T6, T7;
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T2 = Ip[WS(rs, 1)];
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T3 = Im[WS(rs, 1)];
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T4 = T2 - T3;
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To = T2 + T3;
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T6 = Rp[WS(rs, 1)];
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T7 = Rm[WS(rs, 1)];
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T8 = T6 + T7;
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Tm = T6 - T7;
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}
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{
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E T1, T5, Tl, Tn;
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T1 = W[2];
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T5 = W[3];
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T9 = FNMS(T5, T8, T1 * T4);
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Ts = FMA(T1, T8, T5 * T4);
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Tl = W[4];
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Tn = W[5];
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Tp = FMA(Tl, Tm, Tn * To);
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Tw = FNMS(Tn, Tm, Tl * To);
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}
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}
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{
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E Td, Tq, Tz, TA;
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Td = T9 + Tc;
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Tq = Tk - Tp;
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Ip[0] = KP500000000 * (Td + Tq);
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Im[WS(rs, 1)] = KP500000000 * (Tq - Td);
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Tz = Tr + Ts;
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TA = Tw + Tx;
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Rm[WS(rs, 1)] = KP500000000 * (Tz - TA);
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Rp[0] = KP500000000 * (Tz + TA);
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}
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{
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E Tt, Tu, Tv, Ty;
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Tt = Tr - Ts;
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Tu = Tp + Tk;
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Rm[0] = KP500000000 * (Tt - Tu);
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Rp[WS(rs, 1)] = KP500000000 * (Tt + Tu);
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Tv = Tc - T9;
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Ty = Tw - Tx;
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Ip[WS(rs, 1)] = KP500000000 * (Tv + Ty);
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Im[0] = KP500000000 * (Ty - Tv);
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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, 1, 4 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 4, "hc2cfdft_4", twinstr, &GENUS, { 24, 14, 6, 0 } };
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void X(codelet_hc2cfdft_4) (planner *p) {
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X(khc2c_register) (p, hc2cfdft_4, &desc, HC2C_VIA_DFT);
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}
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#endif
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