mirror of
https://github.com/tildearrow/furnace.git
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317 lines
9.9 KiB
C
317 lines
9.9 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 10:47:01 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 r2cbIII_16 -dft-III -include rdft/scalar/r2cbIII.h */
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/*
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* This function contains 66 FP additions, 36 FP multiplications,
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* (or, 46 additions, 16 multiplications, 20 fused multiply/add),
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* 40 stack variables, 9 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/r2cbIII.h"
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static void r2cbIII_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(KP198912367, +0.198912367379658006911597622644676228597850501);
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DK(KP1_961570560, +1.961570560806460898252364472268478073947867462);
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DK(KP668178637, +0.668178637919298919997757686523080761552472251);
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DK(KP1_662939224, +1.662939224605090474157576755235811513477121624);
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
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DK(KP414213562, +0.414213562373095048801688724209698078569671875);
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DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
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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 T7, TW, T13, Tj, TA, TK, TP, TH, Te, TX, T12, To, Tt, TC, TS;
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E TB, TT, TY;
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{
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E T3, Tf, Tz, TU, T6, Tw, Ti, TV;
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{
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E T1, T2, Tx, Ty;
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T1 = Cr[0];
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T2 = Cr[WS(csr, 7)];
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T3 = T1 + T2;
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Tf = T1 - T2;
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Tx = Ci[0];
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Ty = Ci[WS(csi, 7)];
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Tz = Tx + Ty;
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TU = Ty - Tx;
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}
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{
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E T4, T5, Tg, Th;
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T4 = Cr[WS(csr, 4)];
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T5 = Cr[WS(csr, 3)];
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T6 = T4 + T5;
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Tw = T4 - T5;
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Tg = Ci[WS(csi, 4)];
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Th = Ci[WS(csi, 3)];
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Ti = Tg + Th;
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TV = Th - Tg;
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}
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T7 = T3 + T6;
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TW = TU - TV;
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T13 = TV + TU;
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Tj = Tf - Ti;
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TA = Tw + Tz;
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TK = Tw - Tz;
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TP = T3 - T6;
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TH = Tf + Ti;
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}
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{
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E Ta, Tk, Tn, TR, Td, Tp, Ts, TQ;
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{
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E T8, T9, Tl, Tm;
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T8 = Cr[WS(csr, 2)];
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T9 = Cr[WS(csr, 5)];
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Ta = T8 + T9;
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Tk = T8 - T9;
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Tl = Ci[WS(csi, 2)];
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Tm = Ci[WS(csi, 5)];
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Tn = Tl + Tm;
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TR = Tl - Tm;
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}
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{
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E Tb, Tc, Tq, Tr;
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Tb = Cr[WS(csr, 1)];
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Tc = Cr[WS(csr, 6)];
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Td = Tb + Tc;
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Tp = Tb - Tc;
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Tq = Ci[WS(csi, 1)];
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Tr = Ci[WS(csi, 6)];
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Ts = Tq + Tr;
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TQ = Tr - Tq;
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}
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Te = Ta + Td;
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TX = Ta - Td;
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T12 = TR + TQ;
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To = Tk - Tn;
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Tt = Tp - Ts;
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TC = Tk + Tn;
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TS = TQ - TR;
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TB = Tp + Ts;
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}
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R0[0] = KP2_000000000 * (T7 + Te);
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R0[WS(rs, 4)] = KP2_000000000 * (T13 - T12);
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TT = TP + TS;
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TY = TW - TX;
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R0[WS(rs, 1)] = KP1_847759065 * (FMA(KP414213562, TY, TT));
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R0[WS(rs, 5)] = KP1_847759065 * (FNMS(KP414213562, TT, TY));
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{
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E T11, T14, TZ, T10;
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T11 = T7 - Te;
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T14 = T12 + T13;
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R0[WS(rs, 2)] = KP1_414213562 * (T11 + T14);
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R0[WS(rs, 6)] = KP1_414213562 * (T14 - T11);
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TZ = TX + TW;
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T10 = TP - TS;
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R0[WS(rs, 3)] = KP1_847759065 * (FMA(KP414213562, T10, TZ));
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R0[WS(rs, 7)] = -(KP1_847759065 * (FNMS(KP414213562, TZ, T10)));
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}
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{
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E TJ, TO, TM, TN, TI, TL;
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TI = TC + TB;
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TJ = FNMS(KP707106781, TI, TH);
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TO = FMA(KP707106781, TI, TH);
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TL = To - Tt;
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TM = FNMS(KP707106781, TL, TK);
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TN = FMA(KP707106781, TL, TK);
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R1[WS(rs, 1)] = KP1_662939224 * (FMA(KP668178637, TM, TJ));
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R1[WS(rs, 7)] = -(KP1_961570560 * (FNMS(KP198912367, TN, TO)));
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R1[WS(rs, 5)] = KP1_662939224 * (FNMS(KP668178637, TJ, TM));
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R1[WS(rs, 3)] = KP1_961570560 * (FMA(KP198912367, TO, TN));
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}
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{
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E Tv, TG, TE, TF, Tu, TD;
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Tu = To + Tt;
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Tv = FMA(KP707106781, Tu, Tj);
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TG = FNMS(KP707106781, Tu, Tj);
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TD = TB - TC;
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TE = FNMS(KP707106781, TD, TA);
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TF = FMA(KP707106781, TD, TA);
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R1[0] = KP1_961570560 * (FNMS(KP198912367, TE, Tv));
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R1[WS(rs, 6)] = -(KP1_662939224 * (FMA(KP668178637, TF, TG)));
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R1[WS(rs, 4)] = -(KP1_961570560 * (FMA(KP198912367, Tv, TE)));
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R1[WS(rs, 2)] = -(KP1_662939224 * (FNMS(KP668178637, TG, 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, "r2cbIII_16", { 46, 16, 20, 0 }, &GENUS };
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void X(codelet_r2cbIII_16) (planner *p) { X(kr2c_register) (p, r2cbIII_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 r2cbIII_16 -dft-III -include rdft/scalar/r2cbIII.h */
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/*
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* This function contains 66 FP additions, 32 FP multiplications,
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* (or, 54 additions, 20 multiplications, 12 fused multiply/add),
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* 40 stack variables, 9 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/r2cbIII.h"
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static void r2cbIII_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_961570560, +1.961570560806460898252364472268478073947867462);
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DK(KP390180644, +0.390180644032256535696569736954044481855383236);
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DK(KP1_111140466, +1.111140466039204449485661627897065748749874382);
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DK(KP1_662939224, +1.662939224605090474157576755235811513477121624);
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
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DK(KP765366864, +0.765366864730179543456919968060797733522689125);
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DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
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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 T7, TW, T13, Tj, TD, TK, TP, TH, Te, TX, T12, To, Tt, Tx, TS;
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E Tw, TT, TY;
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{
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E T3, Tf, TC, TV, T6, Tz, Ti, TU;
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{
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E T1, T2, TA, TB;
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T1 = Cr[0];
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T2 = Cr[WS(csr, 7)];
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T3 = T1 + T2;
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Tf = T1 - T2;
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TA = Ci[0];
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TB = Ci[WS(csi, 7)];
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TC = TA + TB;
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TV = TB - TA;
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}
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{
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E T4, T5, Tg, Th;
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T4 = Cr[WS(csr, 4)];
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T5 = Cr[WS(csr, 3)];
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T6 = T4 + T5;
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Tz = T4 - T5;
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Tg = Ci[WS(csi, 4)];
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Th = Ci[WS(csi, 3)];
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Ti = Tg + Th;
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TU = Tg - Th;
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}
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T7 = T3 + T6;
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TW = TU + TV;
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T13 = TV - TU;
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Tj = Tf - Ti;
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TD = Tz + TC;
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TK = Tz - TC;
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TP = T3 - T6;
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TH = Tf + Ti;
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}
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{
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E Ta, Tk, Tn, TR, Td, Tp, Ts, TQ;
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{
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E T8, T9, Tl, Tm;
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T8 = Cr[WS(csr, 2)];
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T9 = Cr[WS(csr, 5)];
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Ta = T8 + T9;
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Tk = T8 - T9;
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Tl = Ci[WS(csi, 2)];
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Tm = Ci[WS(csi, 5)];
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Tn = Tl + Tm;
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TR = Tl - Tm;
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}
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{
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E Tb, Tc, Tq, Tr;
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Tb = Cr[WS(csr, 1)];
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Tc = Cr[WS(csr, 6)];
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Td = Tb + Tc;
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Tp = Tb - Tc;
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Tq = Ci[WS(csi, 1)];
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Tr = Ci[WS(csi, 6)];
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Ts = Tq + Tr;
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TQ = Tr - Tq;
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}
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Te = Ta + Td;
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TX = Ta - Td;
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T12 = TR + TQ;
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To = Tk - Tn;
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Tt = Tp - Ts;
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Tx = Tp + Ts;
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TS = TQ - TR;
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Tw = Tk + Tn;
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}
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R0[0] = KP2_000000000 * (T7 + Te);
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R0[WS(rs, 4)] = KP2_000000000 * (T13 - T12);
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TT = TP + TS;
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TY = TW - TX;
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R0[WS(rs, 1)] = FMA(KP1_847759065, TT, KP765366864 * TY);
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R0[WS(rs, 5)] = FNMS(KP765366864, TT, KP1_847759065 * TY);
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{
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E T11, T14, TZ, T10;
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T11 = T7 - Te;
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T14 = T12 + T13;
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R0[WS(rs, 2)] = KP1_414213562 * (T11 + T14);
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R0[WS(rs, 6)] = KP1_414213562 * (T14 - T11);
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TZ = TP - TS;
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T10 = TX + TW;
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R0[WS(rs, 3)] = FMA(KP765366864, TZ, KP1_847759065 * T10);
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R0[WS(rs, 7)] = FNMS(KP1_847759065, TZ, KP765366864 * T10);
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}
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{
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E TJ, TN, TM, TO, TI, TL;
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TI = KP707106781 * (Tw + Tx);
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TJ = TH - TI;
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TN = TH + TI;
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TL = KP707106781 * (To - Tt);
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TM = TK - TL;
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TO = TL + TK;
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R1[WS(rs, 1)] = FMA(KP1_662939224, TJ, KP1_111140466 * TM);
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R1[WS(rs, 7)] = FNMS(KP1_961570560, TN, KP390180644 * TO);
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R1[WS(rs, 5)] = FNMS(KP1_111140466, TJ, KP1_662939224 * TM);
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R1[WS(rs, 3)] = FMA(KP390180644, TN, KP1_961570560 * TO);
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}
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{
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E Tv, TF, TE, TG, Tu, Ty;
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Tu = KP707106781 * (To + Tt);
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Tv = Tj + Tu;
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TF = Tj - Tu;
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Ty = KP707106781 * (Tw - Tx);
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TE = Ty + TD;
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TG = Ty - TD;
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R1[0] = FNMS(KP390180644, TE, KP1_961570560 * Tv);
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R1[WS(rs, 6)] = FNMS(KP1_662939224, TF, KP1_111140466 * TG);
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R1[WS(rs, 4)] = -(FMA(KP390180644, Tv, KP1_961570560 * TE));
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R1[WS(rs, 2)] = FMA(KP1_111140466, TF, KP1_662939224 * TG);
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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, "r2cbIII_16", { 54, 20, 12, 0 }, &GENUS };
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void X(codelet_r2cbIII_16) (planner *p) { X(kr2c_register) (p, r2cbIII_16, &desc);
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}
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#endif
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