mirror of
https://github.com/tildearrow/furnace.git
synced 2024-11-05 20:35:06 +00:00
296 lines
8.6 KiB
C
296 lines
8.6 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 10:46:48 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_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 16 -name r2cb_16 -include rdft/scalar/r2cb.h */
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/*
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* This function contains 58 FP additions, 32 FP multiplications,
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* (or, 26 additions, 0 multiplications, 32 fused multiply/add),
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* 31 stack variables, 4 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/r2cb.h"
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static void r2cb_16(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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{
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DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
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DK(KP414213562, +0.414213562373095048801688724209698078569671875);
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DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
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DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) {
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E T5, TL, Tj, TD, T8, TM, To, TE, Tc, TP, Tf, TQ, Tu, Tz, TR;
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E TO, TH, TG;
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{
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E T4, Ti, T3, Th, T1, T2;
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T4 = Cr[WS(csr, 4)];
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Ti = Ci[WS(csi, 4)];
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T1 = Cr[0];
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T2 = Cr[WS(csr, 8)];
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T3 = T1 + T2;
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Th = T1 - T2;
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T5 = FMA(KP2_000000000, T4, T3);
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TL = FNMS(KP2_000000000, T4, T3);
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Tj = FNMS(KP2_000000000, Ti, Th);
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TD = FMA(KP2_000000000, Ti, Th);
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}
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{
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E T6, T7, Tk, Tl, Tm, Tn;
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T6 = Cr[WS(csr, 2)];
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T7 = Cr[WS(csr, 6)];
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Tk = T6 - T7;
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Tl = Ci[WS(csi, 2)];
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Tm = Ci[WS(csi, 6)];
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Tn = Tl + Tm;
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T8 = T6 + T7;
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TM = Tl - Tm;
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To = Tk - Tn;
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TE = Tk + Tn;
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}
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{
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E Tq, Ty, Tv, Tt;
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{
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E Ta, Tb, Tw, Tx;
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Ta = Cr[WS(csr, 1)];
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Tb = Cr[WS(csr, 7)];
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Tc = Ta + Tb;
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Tq = Ta - Tb;
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Tw = Ci[WS(csi, 1)];
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Tx = Ci[WS(csi, 7)];
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Ty = Tw + Tx;
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TP = Tw - Tx;
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}
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{
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E Td, Te, Tr, Ts;
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Td = Cr[WS(csr, 5)];
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Te = Cr[WS(csr, 3)];
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Tf = Td + Te;
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Tv = Td - Te;
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Tr = Ci[WS(csi, 5)];
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Ts = Ci[WS(csi, 3)];
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Tt = Tr + Ts;
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TQ = Tr - Ts;
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}
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Tu = Tq - Tt;
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Tz = Tv + Ty;
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TR = TP - TQ;
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TO = Tc - Tf;
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TH = Tq + Tt;
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TG = Ty - Tv;
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}
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{
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E T9, Tg, TT, TU;
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T9 = FMA(KP2_000000000, T8, T5);
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Tg = Tc + Tf;
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R0[WS(rs, 4)] = FNMS(KP2_000000000, Tg, T9);
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R0[0] = FMA(KP2_000000000, Tg, T9);
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TT = FMA(KP2_000000000, TM, TL);
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TU = TO + TR;
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R0[WS(rs, 3)] = FNMS(KP1_414213562, TU, TT);
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R0[WS(rs, 7)] = FMA(KP1_414213562, TU, TT);
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}
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{
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E TV, TW, Tp, TA;
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TV = FNMS(KP2_000000000, T8, T5);
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TW = TQ + TP;
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R0[WS(rs, 2)] = FNMS(KP2_000000000, TW, TV);
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R0[WS(rs, 6)] = FMA(KP2_000000000, TW, TV);
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Tp = FMA(KP1_414213562, To, Tj);
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TA = FNMS(KP414213562, Tz, Tu);
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R1[WS(rs, 4)] = FNMS(KP1_847759065, TA, Tp);
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R1[0] = FMA(KP1_847759065, TA, Tp);
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}
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{
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E TB, TC, TJ, TK;
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TB = FNMS(KP1_414213562, To, Tj);
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TC = FMA(KP414213562, Tu, Tz);
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R1[WS(rs, 2)] = FNMS(KP1_847759065, TC, TB);
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R1[WS(rs, 6)] = FMA(KP1_847759065, TC, TB);
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TJ = FMA(KP1_414213562, TE, TD);
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TK = FMA(KP414213562, TG, TH);
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R1[WS(rs, 3)] = FNMS(KP1_847759065, TK, TJ);
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R1[WS(rs, 7)] = FMA(KP1_847759065, TK, TJ);
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}
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{
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E TN, TS, TF, TI;
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TN = FNMS(KP2_000000000, TM, TL);
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TS = TO - TR;
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R0[WS(rs, 5)] = FNMS(KP1_414213562, TS, TN);
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R0[WS(rs, 1)] = FMA(KP1_414213562, TS, TN);
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TF = FNMS(KP1_414213562, TE, TD);
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TI = FNMS(KP414213562, TH, TG);
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R1[WS(rs, 1)] = FNMS(KP1_847759065, TI, TF);
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R1[WS(rs, 5)] = FMA(KP1_847759065, TI, TF);
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}
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}
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}
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}
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static const kr2c_desc desc = { 16, "r2cb_16", { 26, 0, 32, 0 }, &GENUS };
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void X(codelet_r2cb_16) (planner *p) { X(kr2c_register) (p, r2cb_16, &desc);
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}
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#else
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/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 16 -name r2cb_16 -include rdft/scalar/r2cb.h */
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/*
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* This function contains 58 FP additions, 18 FP multiplications,
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* (or, 54 additions, 14 multiplications, 4 fused multiply/add),
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* 31 stack variables, 4 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/r2cb.h"
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static void r2cb_16(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
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{
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DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
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DK(KP765366864, +0.765366864730179543456919968060797733522689125);
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DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
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DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
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{
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INT i;
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for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(64, rs), MAKE_VOLATILE_STRIDE(64, csr), MAKE_VOLATILE_STRIDE(64, csi)) {
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E T9, TS, Tl, TG, T6, TR, Ti, TD, Td, Tq, Tg, Tt, Tn, Tu, TV;
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E TU, TN, TK;
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{
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E T7, T8, TE, Tj, Tk, TF;
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T7 = Cr[WS(csr, 2)];
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T8 = Cr[WS(csr, 6)];
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TE = T7 - T8;
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Tj = Ci[WS(csi, 2)];
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Tk = Ci[WS(csi, 6)];
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TF = Tj + Tk;
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T9 = KP2_000000000 * (T7 + T8);
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TS = KP1_414213562 * (TE + TF);
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Tl = KP2_000000000 * (Tj - Tk);
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TG = KP1_414213562 * (TE - TF);
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}
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{
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E T5, TC, T3, TA;
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{
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E T4, TB, T1, T2;
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T4 = Cr[WS(csr, 4)];
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T5 = KP2_000000000 * T4;
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TB = Ci[WS(csi, 4)];
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TC = KP2_000000000 * TB;
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T1 = Cr[0];
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T2 = Cr[WS(csr, 8)];
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T3 = T1 + T2;
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TA = T1 - T2;
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}
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T6 = T3 + T5;
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TR = TA + TC;
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Ti = T3 - T5;
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TD = TA - TC;
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}
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{
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E TI, TM, TL, TJ;
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{
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E Tb, Tc, To, Tp;
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Tb = Cr[WS(csr, 1)];
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Tc = Cr[WS(csr, 7)];
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Td = Tb + Tc;
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TI = Tb - Tc;
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To = Ci[WS(csi, 1)];
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Tp = Ci[WS(csi, 7)];
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Tq = To - Tp;
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TM = To + Tp;
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}
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{
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E Te, Tf, Tr, Ts;
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Te = Cr[WS(csr, 5)];
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Tf = Cr[WS(csr, 3)];
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Tg = Te + Tf;
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TL = Te - Tf;
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Tr = Ci[WS(csi, 5)];
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Ts = Ci[WS(csi, 3)];
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Tt = Tr - Ts;
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TJ = Tr + Ts;
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}
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Tn = Td - Tg;
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Tu = Tq - Tt;
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TV = TM - TL;
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TU = TI + TJ;
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TN = TL + TM;
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TK = TI - TJ;
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}
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{
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E Ta, Th, TT, TW;
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Ta = T6 + T9;
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Th = KP2_000000000 * (Td + Tg);
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R0[WS(rs, 4)] = Ta - Th;
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R0[0] = Ta + Th;
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TT = TR - TS;
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TW = FNMS(KP1_847759065, TV, KP765366864 * TU);
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R1[WS(rs, 5)] = TT - TW;
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R1[WS(rs, 1)] = TT + TW;
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}
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{
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E TX, TY, Tm, Tv;
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TX = TR + TS;
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TY = FMA(KP1_847759065, TU, KP765366864 * TV);
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R1[WS(rs, 3)] = TX - TY;
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R1[WS(rs, 7)] = TX + TY;
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Tm = Ti - Tl;
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Tv = KP1_414213562 * (Tn - Tu);
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R0[WS(rs, 5)] = Tm - Tv;
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R0[WS(rs, 1)] = Tm + Tv;
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}
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{
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E Tw, Tx, TH, TO;
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Tw = Ti + Tl;
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Tx = KP1_414213562 * (Tn + Tu);
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R0[WS(rs, 3)] = Tw - Tx;
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R0[WS(rs, 7)] = Tw + Tx;
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TH = TD + TG;
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TO = FNMS(KP765366864, TN, KP1_847759065 * TK);
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R1[WS(rs, 4)] = TH - TO;
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R1[0] = TH + TO;
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}
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{
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E TP, TQ, Ty, Tz;
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TP = TD - TG;
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TQ = FMA(KP765366864, TK, KP1_847759065 * TN);
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R1[WS(rs, 2)] = TP - TQ;
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R1[WS(rs, 6)] = TP + TQ;
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Ty = T6 - T9;
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Tz = KP2_000000000 * (Tt + Tq);
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R0[WS(rs, 2)] = Ty - Tz;
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R0[WS(rs, 6)] = Ty + Tz;
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}
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}
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}
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}
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static const kr2c_desc desc = { 16, "r2cb_16", { 54, 14, 4, 0 }, &GENUS };
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void X(codelet_r2cb_16) (planner *p) { X(kr2c_register) (p, r2cb_16, &desc);
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}
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#endif
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