Coverage Report

Created: 2026-08-13 06:10

next uncovered line (L), next uncovered region (R), next uncovered branch (B)
/src/fftw3/rdft/scalar/r2cf/hc2cfdft_4.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 Thu Aug 13 06:09:38 UTC 2026 */
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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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0
{
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0
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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     {
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0
    INT m;
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0
    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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0
         E Tc, Tr, Tk, Tx, T9, Ts, Tp, Tw;
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0
         {
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0
        E Ta, Tb, Tj, Tf, Tg, Th, Te, Ti;
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0
        Ta = Ip[0];
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0
        Tb = Im[0];
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        Tj = Ta + Tb;
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0
        Tf = Rm[0];
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0
        Tg = Rp[0];
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0
        Th = Tf - Tg;
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0
        Tc = Ta - Tb;
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        Tr = Tg + Tf;
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0
        Te = W[0];
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0
        Ti = W[1];
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0
        Tk = FNMS(Ti, Tj, Te * Th);
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0
        Tx = FMA(Ti, Th, Te * Tj);
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0
         }
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0
         {
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0
        E T4, To, T8, Tm;
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0
        {
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0
       E T2, T3, T6, T7;
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0
       T2 = Ip[WS(rs, 1)];
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0
       T3 = Im[WS(rs, 1)];
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0
       T4 = T2 - T3;
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0
       To = T2 + T3;
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0
       T6 = Rp[WS(rs, 1)];
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0
       T7 = Rm[WS(rs, 1)];
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0
       T8 = T6 + T7;
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0
       Tm = T6 - T7;
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0
        }
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0
        {
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0
       E T1, T5, Tl, Tn;
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0
       T1 = W[2];
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0
       T5 = W[3];
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0
       T9 = FNMS(T5, T8, T1 * T4);
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0
       Ts = FMA(T1, T8, T5 * T4);
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0
       Tl = W[4];
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0
       Tn = W[5];
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0
       Tp = FMA(Tl, Tm, Tn * To);
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0
       Tw = FNMS(Tn, Tm, Tl * To);
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0
        }
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0
         }
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0
         {
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0
        E Td, Tq, Tz, TA;
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0
        Td = T9 + Tc;
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0
        Tq = Tk - Tp;
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0
        Ip[0] = KP500000000 * (Td + Tq);
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0
        Im[WS(rs, 1)] = KP500000000 * (Tq - Td);
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0
        Tz = Tr + Ts;
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0
        TA = Tw + Tx;
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0
        Rm[WS(rs, 1)] = KP500000000 * (Tz - TA);
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0
        Rp[0] = KP500000000 * (Tz + TA);
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0
         }
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0
         {
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0
        E Tt, Tu, Tv, Ty;
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0
        Tt = Tr - Ts;
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0
        Tu = Tp + Tk;
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0
        Rm[0] = KP500000000 * (Tt - Tu);
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0
        Rp[WS(rs, 1)] = KP500000000 * (Tt + Tu);
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0
        Tv = Tc - T9;
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0
        Ty = Tw - Tx;
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0
        Ip[WS(rs, 1)] = KP500000000 * (Tv + Ty);
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0
        Im[0] = KP500000000 * (Ty - Tv);
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0
         }
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0
    }
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0
     }
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0
}
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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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1
void X(codelet_hc2cfdft_4) (planner *p) {
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1
     X(khc2c_register) (p, hc2cfdft_4, &desc, HC2C_VIA_DFT);
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1
}
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#endif