/*

 * Copyright (c) 2003, 2007-14 Matteo Frigo

 * Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 * the Free Software Foundation; either version 2 of the License, or

 * (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

 *

 */

/* This file was automatically generated --- DO NOT EDIT */

/* Generated on Sun Jun 22 06:41:02 UTC 2025 */

#include "dft/codelet-dft.h"

#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)

/* Generated by: ../../../genfft/gen_twiddle.native -fma -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 16 -name t2_16 -include dft/scalar/t.h */

/*

 * This function contains 196 FP additions, 134 FP multiplications,

 * (or, 104 additions, 42 multiplications, 92 fused multiply/add),

 * 90 stack variables, 3 constants, and 64 memory accesses

 */

#include "dft/scalar/t.h"

static void t2_16(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)

{

     DK(KP923879532, +0.923879532511286756128183189396788286822416626);

     DK(KP414213562, +0.414213562373095048801688724209698078569671875);

     DK(KP707106781, +0.707106781186547524400844362104849039284835938);

     {

    INT m;

    for (m = mb, W = W + (mb * 8); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 8, MAKE_VOLATILE_STRIDE(32, rs)) {

         E T2, Tf, TM, TO, T3, T6, T5, Th, Tz, Ti, T7, TZ, TT, Tq, TW;

         E Tb, Tu, TP, TI, TF, TC, T1z, T1O, T1D, T1L, Tm, T1f, T1p, T1j, T1m;

         {

        E TN, TS, T4, Tp, Ta, Tt, Tl, Tg;

        T2 = W[0];

        Tf = W[2];

        Tg = T2 * Tf;

        TM = W[6];

        TN = T2 * TM;

        TO = W[7];

        TS = T2 * TO;

        T3 = W[4];

        T4 = T2 * T3;

        Tp = Tf * T3;

        T6 = W[5];

        Ta = T2 * T6;

        Tt = Tf * T6;

        T5 = W[1];

        Th = W[3];

        Tl = T2 * Th;

        Tz = FMA(T5, Th, Tg);

        Ti = FNMS(T5, Th, Tg);

        T7 = FMA(T5, T6, T4);

        TZ = FNMS(Th, T3, Tt);

        TT = FNMS(T5, TM, TS);

        Tq = FNMS(Th, T6, Tp);

        TW = FMA(Th, T6, Tp);

        Tb = FNMS(T5, T3, Ta);

        Tu = FMA(Th, T3, Tt);

        TP = FMA(T5, TO, TN);

        TI = FMA(T5, T3, Ta);

        TF = FNMS(T5, T6, T4);

        {

       E T1y, T1C, T1e, T1i;

       T1y = Tz * T3;

       T1C = Tz * T6;

       TC = FNMS(T5, Tf, Tl);

       T1z = FMA(TC, T6, T1y);

       T1O = FMA(TC, T3, T1C);

       T1D = FNMS(TC, T3, T1C);

       T1L = FNMS(TC, T6, T1y);

       T1e = Ti * T3;

       T1i = Ti * T6;

       Tm = FMA(T5, Tf, Tl);

       T1f = FMA(Tm, T6, T1e);

       T1p = FMA(Tm, T3, T1i);

       T1j = FNMS(Tm, T3, T1i);

       T1m = FNMS(Tm, T6, T1e);

        }

         }

         {

        E Te, T1U, T3A, T3L, T1G, T2D, T2A, T3h, T1R, T2B, T2I, T3i, Tx, T3M, T1Z;

        E T3w, TL, T26, T25, T37, T1d, T2o, T2l, T3c, T1s, T2m, T2t, T3d, T12, T28;

        E T2d, T38;

        {

       E T1, T3z, T8, T9, Tc, T3x, Td, T3y;

       T1 = ri[0];

       T3z = ii[0];

       T8 = ri[WS(rs, 8)];

       T9 = T7 * T8;

       Tc = ii[WS(rs, 8)];

       T3x = T7 * Tc;

       Td = FMA(Tb, Tc, T9);

       Te = T1 + Td;

       T1U = T1 - Td;

       T3y = FNMS(Tb, T8, T3x);

       T3A = T3y + T3z;

       T3L = T3z - T3y;

        }

        {

       E T1u, T1v, T1w, T2w, T1A, T1B, T1E, T2y;

       T1u = ri[WS(rs, 15)];

       T1v = TM * T1u;

       T1w = ii[WS(rs, 15)];

       T2w = TM * T1w;

       T1A = ri[WS(rs, 7)];

       T1B = T1z * T1A;

       T1E = ii[WS(rs, 7)];

       T2y = T1z * T1E;

       {

            E T1x, T1F, T2x, T2z;

            T1x = FMA(TO, T1w, T1v);

            T1F = FMA(T1D, T1E, T1B);

            T1G = T1x + T1F;

            T2D = T1x - T1F;

            T2x = FNMS(TO, T1u, T2w);

            T2z = FNMS(T1D, T1A, T2y);

            T2A = T2x - T2z;

            T3h = T2x + T2z;

       }

        }

        {

       E T1H, T1I, T1J, T2E, T1M, T1N, T1P, T2G;

       T1H = ri[WS(rs, 3)];

       T1I = Tf * T1H;

       T1J = ii[WS(rs, 3)];

       T2E = Tf * T1J;

       T1M = ri[WS(rs, 11)];

       T1N = T1L * T1M;

       T1P = ii[WS(rs, 11)];

       T2G = T1L * T1P;

       {

            E T1K, T1Q, T2F, T2H;

            T1K = FMA(Th, T1J, T1I);

            T1Q = FMA(T1O, T1P, T1N);

            T1R = T1K + T1Q;

            T2B = T1K - T1Q;

            T2F = FNMS(Th, T1H, T2E);

            T2H = FNMS(T1O, T1M, T2G);

            T2I = T2F - T2H;

            T3i = T2F + T2H;

       }

        }

        {

       E Tj, Tk, Tn, T1V, Tr, Ts, Tv, T1X;

       Tj = ri[WS(rs, 4)];

       Tk = Ti * Tj;

       Tn = ii[WS(rs, 4)];

       T1V = Ti * Tn;

       Tr = ri[WS(rs, 12)];

       Ts = Tq * Tr;

       Tv = ii[WS(rs, 12)];

       T1X = Tq * Tv;

       {

            E To, Tw, T1W, T1Y;

            To = FMA(Tm, Tn, Tk);

            Tw = FMA(Tu, Tv, Ts);

            Tx = To + Tw;

            T3M = To - Tw;

            T1W = FNMS(Tm, Tj, T1V);

            T1Y = FNMS(Tu, Tr, T1X);

            T1Z = T1W - T1Y;

            T3w = T1W + T1Y;

       }

        }

        {

       E TA, TB, TD, T21, TG, TH, TJ, T23;

       TA = ri[WS(rs, 2)];

       TB = Tz * TA;

       TD = ii[WS(rs, 2)];

       T21 = Tz * TD;

       TG = ri[WS(rs, 10)];

       TH = TF * TG;

       TJ = ii[WS(rs, 10)];

       T23 = TF * TJ;

       {

            E TE, TK, T22, T24;

            TE = FMA(TC, TD, TB);

            TK = FMA(TI, TJ, TH);

            TL = TE + TK;

            T26 = TE - TK;

            T22 = FNMS(TC, TA, T21);

            T24 = FNMS(TI, TG, T23);

            T25 = T22 - T24;

            T37 = T22 + T24;

       }

        }

        {

       E T15, T16, T17, T2h, T19, T1a, T1b, T2j;

       T15 = ri[WS(rs, 1)];

       T16 = T2 * T15;

       T17 = ii[WS(rs, 1)];

       T2h = T2 * T17;

       T19 = ri[WS(rs, 9)];

       T1a = T3 * T19;

       T1b = ii[WS(rs, 9)];

       T2j = T3 * T1b;

       {

            E T18, T1c, T2i, T2k;

            T18 = FMA(T5, T17, T16);

            T1c = FMA(T6, T1b, T1a);

            T1d = T18 + T1c;

            T2o = T18 - T1c;

            T2i = FNMS(T5, T15, T2h);

            T2k = FNMS(T6, T19, T2j);

            T2l = T2i - T2k;

            T3c = T2i + T2k;

       }

        }

        {

       E T1g, T1h, T1k, T2p, T1n, T1o, T1q, T2r;

       T1g = ri[WS(rs, 5)];

       T1h = T1f * T1g;

       T1k = ii[WS(rs, 5)];

       T2p = T1f * T1k;

       T1n = ri[WS(rs, 13)];

       T1o = T1m * T1n;

       T1q = ii[WS(rs, 13)];

       T2r = T1m * T1q;

       {

            E T1l, T1r, T2q, T2s;

            T1l = FMA(T1j, T1k, T1h);

            T1r = FMA(T1p, T1q, T1o);

            T1s = T1l + T1r;

            T2m = T1l - T1r;

            T2q = FNMS(T1j, T1g, T2p);

            T2s = FNMS(T1p, T1n, T2r);

            T2t = T2q - T2s;

            T3d = T2q + T2s;

       }

        }

        {

       E TQ, TR, TU, T29, TX, TY, T10, T2b;

       TQ = ri[WS(rs, 14)];

       TR = TP * TQ;

       TU = ii[WS(rs, 14)];

       T29 = TP * TU;

       TX = ri[WS(rs, 6)];

       TY = TW * TX;

       T10 = ii[WS(rs, 6)];

       T2b = TW * T10;

       {

            E TV, T11, T2a, T2c;

            TV = FMA(TT, TU, TR);

            T11 = FMA(TZ, T10, TY);

            T12 = TV + T11;

            T28 = TV - T11;

            T2a = FNMS(TT, TQ, T29);

            T2c = FNMS(TZ, TX, T2b);

            T2d = T2a - T2c;

            T38 = T2a + T2c;

       }

        }

        {

       E T14, T3q, T3C, T3E, T1T, T3D, T3t, T3u;

       {

            E Ty, T13, T3v, T3B;

            Ty = Te + Tx;

            T13 = TL + T12;

            T14 = Ty + T13;

            T3q = Ty - T13;

            T3v = T37 + T38;

            T3B = T3w + T3A;

            T3C = T3v + T3B;

            T3E = T3B - T3v;

       }

       {

            E T1t, T1S, T3r, T3s;

            T1t = T1d + T1s;

            T1S = T1G + T1R;

            T1T = T1t + T1S;

            T3D = T1S - T1t;

            T3r = T3c + T3d;

            T3s = T3h + T3i;

            T3t = T3r - T3s;

            T3u = T3r + T3s;

       }

       ri[WS(rs, 8)] = T14 - T1T;

       ii[WS(rs, 8)] = T3C - T3u;

       ri[0] = T14 + T1T;

       ii[0] = T3u + T3C;

       ri[WS(rs, 12)] = T3q - T3t;

       ii[WS(rs, 12)] = T3E - T3D;

       ri[WS(rs, 4)] = T3q + T3t;

       ii[WS(rs, 4)] = T3D + T3E;

        }

        {

       E T3a, T3m, T3H, T3J, T3f, T3n, T3k, T3o;

       {

            E T36, T39, T3F, T3G;

            T36 = Te - Tx;

            T39 = T37 - T38;

            T3a = T36 + T39;

            T3m = T36 - T39;

            T3F = T12 - TL;

            T3G = T3A - T3w;

            T3H = T3F + T3G;

            T3J = T3G - T3F;

       }

       {

            E T3b, T3e, T3g, T3j;

            T3b = T1d - T1s;

            T3e = T3c - T3d;

            T3f = T3b + T3e;

            T3n = T3e - T3b;

            T3g = T1G - T1R;

            T3j = T3h - T3i;

            T3k = T3g - T3j;

            T3o = T3g + T3j;

       }

       {

            E T3l, T3I, T3p, T3K;

            T3l = T3f + T3k;

            ri[WS(rs, 10)] = FNMS(KP707106781, T3l, T3a);

            ri[WS(rs, 2)] = FMA(KP707106781, T3l, T3a);

            T3I = T3n + T3o;

            ii[WS(rs, 2)] = FMA(KP707106781, T3I, T3H);

            ii[WS(rs, 10)] = FNMS(KP707106781, T3I, T3H);

            T3p = T3n - T3o;

            ri[WS(rs, 14)] = FNMS(KP707106781, T3p, T3m);

            ri[WS(rs, 6)] = FMA(KP707106781, T3p, T3m);

            T3K = T3k - T3f;

            ii[WS(rs, 6)] = FMA(KP707106781, T3K, T3J);

            ii[WS(rs, 14)] = FNMS(KP707106781, T3K, T3J);

       }

        }

        {

       E T20, T3N, T3T, T2Q, T2f, T3O, T30, T34, T2T, T3U, T2v, T2N, T2X, T33, T2K;

       E T2O;

       {

            E T27, T2e, T2n, T2u;

            T20 = T1U - T1Z;

            T3N = T3L - T3M;

            T3T = T3M + T3L;

            T2Q = T1U + T1Z;

            T27 = T25 - T26;

            T2e = T28 + T2d;

            T2f = T27 - T2e;

            T3O = T27 + T2e;

            {

           E T2Y, T2Z, T2R, T2S;

           T2Y = T2D + T2I;

           T2Z = T2A - T2B;

           T30 = FNMS(KP414213562, T2Z, T2Y);

           T34 = FMA(KP414213562, T2Y, T2Z);

           T2R = T26 + T25;

           T2S = T28 - T2d;

           T2T = T2R + T2S;

           T3U = T2S - T2R;

            }

            T2n = T2l + T2m;

            T2u = T2o - T2t;

            T2v = FMA(KP414213562, T2u, T2n);

            T2N = FNMS(KP414213562, T2n, T2u);

            {

           E T2V, T2W, T2C, T2J;

           T2V = T2o + T2t;

           T2W = T2l - T2m;

           T2X = FMA(KP414213562, T2W, T2V);

           T33 = FNMS(KP414213562, T2V, T2W);

           T2C = T2A + T2B;

           T2J = T2D - T2I;

           T2K = FNMS(KP414213562, T2J, T2C);

           T2O = FMA(KP414213562, T2C, T2J);

            }

       }

       {

            E T2g, T2L, T3V, T3W;

            T2g = FMA(KP707106781, T2f, T20);

            T2L = T2v - T2K;

            ri[WS(rs, 11)] = FNMS(KP923879532, T2L, T2g);

            ri[WS(rs, 3)] = FMA(KP923879532, T2L, T2g);

            T3V = FMA(KP707106781, T3U, T3T);

            T3W = T2O - T2N;

            ii[WS(rs, 3)] = FMA(KP923879532, T3W, T3V);

            ii[WS(rs, 11)] = FNMS(KP923879532, T3W, T3V);

       }

       {

            E T2M, T2P, T3X, T3Y;

            T2M = FNMS(KP707106781, T2f, T20);

            T2P = T2N + T2O;

            ri[WS(rs, 7)] = FNMS(KP923879532, T2P, T2M);

            ri[WS(rs, 15)] = FMA(KP923879532, T2P, T2M);

            T3X = FNMS(KP707106781, T3U, T3T);

            T3Y = T2v + T2K;

            ii[WS(rs, 7)] = FNMS(KP923879532, T3Y, T3X);

            ii[WS(rs, 15)] = FMA(KP923879532, T3Y, T3X);

       }

       {

            E T2U, T31, T3P, T3Q;

            T2U = FMA(KP707106781, T2T, T2Q);

            T31 = T2X + T30;

            ri[WS(rs, 9)] = FNMS(KP923879532, T31, T2U);

            ri[WS(rs, 1)] = FMA(KP923879532, T31, T2U);

            T3P = FMA(KP707106781, T3O, T3N);

            T3Q = T33 + T34;

            ii[WS(rs, 1)] = FMA(KP923879532, T3Q, T3P);

            ii[WS(rs, 9)] = FNMS(KP923879532, T3Q, T3P);

       }

       {

            E T32, T35, T3R, T3S;

            T32 = FNMS(KP707106781, T2T, T2Q);

            T35 = T33 - T34;

            ri[WS(rs, 13)] = FNMS(KP923879532, T35, T32);

            ri[WS(rs, 5)] = FMA(KP923879532, T35, T32);

            T3R = FNMS(KP707106781, T3O, T3N);

            T3S = T30 - T2X;

            ii[WS(rs, 5)] = FMA(KP923879532, T3S, T3R);

            ii[WS(rs, 13)] = FNMS(KP923879532, T3S, T3R);

       }

        }

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_CEXP, 0, 1 },

     { TW_CEXP, 0, 3 },

     { TW_CEXP, 0, 9 },

     { TW_CEXP, 0, 15 },

     { TW_NEXT, 1, 0 }

};

static const ct_desc desc = { 16, "t2_16", twinstr, &GENUS, { 104, 42, 92, 0 }, 0, 0, 0 };

void X(codelet_t2_16) (planner *p) {

     X(kdft_dit_register) (p, t2_16, &desc);

}

#else

/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 16 -name t2_16 -include dft/scalar/t.h */

/*

 * This function contains 196 FP additions, 108 FP multiplications,

 * (or, 156 additions, 68 multiplications, 40 fused multiply/add),

 * 82 stack variables, 3 constants, and 64 memory accesses

 */

#include "dft/scalar/t.h"

static void t2_16(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)

{

     DK(KP382683432, +0.382683432365089771728459984030398866761344562);

     DK(KP923879532, +0.923879532511286756128183189396788286822416626);

     DK(KP707106781, +0.707106781186547524400844362104849039284835938);

     {

    INT m;

    for (m = mb, W = W + (mb * 8); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 8, MAKE_VOLATILE_STRIDE(32, rs)) {

         E T2, T5, Tg, Ti, Tk, To, TE, TC, T6, T3, T8, TW, TJ, Tt, TU;

         E Tc, Tx, TH, TN, TO, TP, TR, T1f, T1k, T1b, T1i, T1y, T1H, T1u, T1F;

         {

        E T7, Tv, Ta, Ts, T4, Tw, Tb, Tr;

        {

       E Th, Tn, Tj, Tm;

       T2 = W[0];

       T5 = W[1];

       Tg = W[2];

       Ti = W[3];

       Th = T2 * Tg;

       Tn = T5 * Tg;

       Tj = T5 * Ti;

       Tm = T2 * Ti;

       Tk = Th - Tj;

       To = Tm + Tn;

       TE = Tm - Tn;

       TC = Th + Tj;

       T6 = W[5];

       T7 = T5 * T6;

       Tv = Tg * T6;

       Ta = T2 * T6;

       Ts = Ti * T6;

       T3 = W[4];

       T4 = T2 * T3;

       Tw = Ti * T3;

       Tb = T5 * T3;

       Tr = Tg * T3;

        }

        T8 = T4 + T7;

        TW = Tv - Tw;

        TJ = Ta + Tb;

        Tt = Tr - Ts;

        TU = Tr + Ts;

        Tc = Ta - Tb;

        Tx = Tv + Tw;

        TH = T4 - T7;

        TN = W[6];

        TO = W[7];

        TP = FMA(T2, TN, T5 * TO);

        TR = FNMS(T5, TN, T2 * TO);

        {

       E T1d, T1e, T19, T1a;

       T1d = Tk * T6;

       T1e = To * T3;

       T1f = T1d - T1e;

       T1k = T1d + T1e;

       T19 = Tk * T3;

       T1a = To * T6;

       T1b = T19 + T1a;

       T1i = T19 - T1a;

        }

        {

       E T1w, T1x, T1s, T1t;

       T1w = TC * T6;

       T1x = TE * T3;

       T1y = T1w - T1x;

       T1H = T1w + T1x;

       T1s = TC * T3;

       T1t = TE * T6;

       T1u = T1s + T1t;

       T1F = T1s - T1t;

        }

         }

         {

        E Tf, T3r, T1N, T3e, TA, T3s, T1Q, T3b, TM, T2M, T1W, T2w, TZ, T2N, T21;

        E T2x, T1B, T1K, T2V, T2W, T2X, T2Y, T2j, T2D, T2o, T2E, T18, T1n, T2Q, T2R;

        E T2S, T2T, T28, T2A, T2d, T2B;

        {

       E T1, T3d, Te, T3c, T9, Td;

       T1 = ri[0];

       T3d = ii[0];

       T9 = ri[WS(rs, 8)];

       Td = ii[WS(rs, 8)];

       Te = FMA(T8, T9, Tc * Td);

       T3c = FNMS(Tc, T9, T8 * Td);

       Tf = T1 + Te;

       T3r = T3d - T3c;

       T1N = T1 - Te;

       T3e = T3c + T3d;

        }

        {

       E Tq, T1O, Tz, T1P;

       {

            E Tl, Tp, Tu, Ty;

            Tl = ri[WS(rs, 4)];

            Tp = ii[WS(rs, 4)];

            Tq = FMA(Tk, Tl, To * Tp);

            T1O = FNMS(To, Tl, Tk * Tp);

            Tu = ri[WS(rs, 12)];

            Ty = ii[WS(rs, 12)];

            Tz = FMA(Tt, Tu, Tx * Ty);

            T1P = FNMS(Tx, Tu, Tt * Ty);

       }

       TA = Tq + Tz;

       T3s = Tq - Tz;

       T1Q = T1O - T1P;

       T3b = T1O + T1P;

        }

        {

       E TG, T1S, TL, T1T, T1U, T1V;

       {

            E TD, TF, TI, TK;

            TD = ri[WS(rs, 2)];

            TF = ii[WS(rs, 2)];

            TG = FMA(TC, TD, TE * TF);

            T1S = FNMS(TE, TD, TC * TF);

            TI = ri[WS(rs, 10)];

            TK = ii[WS(rs, 10)];

            TL = FMA(TH, TI, TJ * TK);

            T1T = FNMS(TJ, TI, TH * TK);

       }

       TM = TG + TL;

       T2M = T1S + T1T;

       T1U = T1S - T1T;

       T1V = TG - TL;

       T1W = T1U - T1V;

       T2w = T1V + T1U;

        }

        {

       E TT, T1Y, TY, T1Z, T1X, T20;

       {

            E TQ, TS, TV, TX;

            TQ = ri[WS(rs, 14)];

            TS = ii[WS(rs, 14)];

            TT = FMA(TP, TQ, TR * TS);

            T1Y = FNMS(TR, TQ, TP * TS);

            TV = ri[WS(rs, 6)];

            TX = ii[WS(rs, 6)];

            TY = FMA(TU, TV, TW * TX);

            T1Z = FNMS(TW, TV, TU * TX);

       }

       TZ = TT + TY;

       T2N = T1Y + T1Z;

       T1X = TT - TY;

       T20 = T1Y - T1Z;

       T21 = T1X + T20;

       T2x = T1X - T20;

        }

        {

       E T1r, T2k, T1J, T2h, T1A, T2l, T1E, T2g;

       {

            E T1p, T1q, T1G, T1I;

            T1p = ri[WS(rs, 15)];

            T1q = ii[WS(rs, 15)];

            T1r = FMA(TN, T1p, TO * T1q);

            T2k = FNMS(TO, T1p, TN * T1q);

            T1G = ri[WS(rs, 11)];

            T1I = ii[WS(rs, 11)];

            T1J = FMA(T1F, T1G, T1H * T1I);

            T2h = FNMS(T1H, T1G, T1F * T1I);

       }

       {

            E T1v, T1z, T1C, T1D;

            T1v = ri[WS(rs, 7)];

            T1z = ii[WS(rs, 7)];

            T1A = FMA(T1u, T1v, T1y * T1z);

            T2l = FNMS(T1y, T1v, T1u * T1z);

            T1C = ri[WS(rs, 3)];

            T1D = ii[WS(rs, 3)];

            T1E = FMA(Tg, T1C, Ti * T1D);

            T2g = FNMS(Ti, T1C, Tg * T1D);

       }

       T1B = T1r + T1A;

       T1K = T1E + T1J;

       T2V = T1B - T1K;

       T2W = T2k + T2l;

       T2X = T2g + T2h;

       T2Y = T2W - T2X;

       {

            E T2f, T2i, T2m, T2n;

            T2f = T1r - T1A;

            T2i = T2g - T2h;

            T2j = T2f - T2i;

            T2D = T2f + T2i;

            T2m = T2k - T2l;

            T2n = T1E - T1J;

            T2o = T2m + T2n;

            T2E = T2m - T2n;

       }

        }

        {

       E T14, T24, T1m, T2b, T17, T25, T1h, T2a;

       {

            E T12, T13, T1j, T1l;

            T12 = ri[WS(rs, 1)];

            T13 = ii[WS(rs, 1)];

            T14 = FMA(T2, T12, T5 * T13);

            T24 = FNMS(T5, T12, T2 * T13);

            T1j = ri[WS(rs, 13)];

            T1l = ii[WS(rs, 13)];

            T1m = FMA(T1i, T1j, T1k * T1l);

            T2b = FNMS(T1k, T1j, T1i * T1l);

       }

       {

            E T15, T16, T1c, T1g;

            T15 = ri[WS(rs, 9)];

            T16 = ii[WS(rs, 9)];

            T17 = FMA(T3, T15, T6 * T16);

            T25 = FNMS(T6, T15, T3 * T16);

            T1c = ri[WS(rs, 5)];

            T1g = ii[WS(rs, 5)];

            T1h = FMA(T1b, T1c, T1f * T1g);

            T2a = FNMS(T1f, T1c, T1b * T1g);

       }

       T18 = T14 + T17;

       T1n = T1h + T1m;

       T2Q = T18 - T1n;

       T2R = T24 + T25;

       T2S = T2a + T2b;

       T2T = T2R - T2S;

       {

            E T26, T27, T29, T2c;

            T26 = T24 - T25;

            T27 = T1h - T1m;

            T28 = T26 + T27;

            T2A = T26 - T27;

            T29 = T14 - T17;

            T2c = T2a - T2b;

            T2d = T29 - T2c;

            T2B = T29 + T2c;

       }

        }

        {

       E T23, T2r, T3A, T3C, T2q, T3B, T2u, T3x;

       {

            E T1R, T22, T3y, T3z;

            T1R = T1N - T1Q;

            T22 = KP707106781 * (T1W - T21);

            T23 = T1R + T22;

            T2r = T1R - T22;

            T3y = KP707106781 * (T2x - T2w);

            T3z = T3s + T3r;

            T3A = T3y + T3z;

            T3C = T3z - T3y;

       }

       {

            E T2e, T2p, T2s, T2t;

            T2e = FMA(KP923879532, T28, KP382683432 * T2d);

            T2p = FNMS(KP923879532, T2o, KP382683432 * T2j);

            T2q = T2e + T2p;

            T3B = T2p - T2e;

            T2s = FNMS(KP923879532, T2d, KP382683432 * T28);

            T2t = FMA(KP382683432, T2o, KP923879532 * T2j);

            T2u = T2s - T2t;

            T3x = T2s + T2t;

       }

       ri[WS(rs, 11)] = T23 - T2q;

       ii[WS(rs, 11)] = T3A - T3x;

       ri[WS(rs, 3)] = T23 + T2q;

       ii[WS(rs, 3)] = T3x + T3A;

       ri[WS(rs, 15)] = T2r - T2u;

       ii[WS(rs, 15)] = T3C - T3B;

       ri[WS(rs, 7)] = T2r + T2u;

       ii[WS(rs, 7)] = T3B + T3C;

        }

        {

       E T2P, T31, T3m, T3o, T30, T3n, T34, T3j;

       {

            E T2L, T2O, T3k, T3l;

            T2L = Tf - TA;

            T2O = T2M - T2N;

            T2P = T2L + T2O;

            T31 = T2L - T2O;

            T3k = TZ - TM;

            T3l = T3e - T3b;

            T3m = T3k + T3l;

            T3o = T3l - T3k;

       }

       {

            E T2U, T2Z, T32, T33;

            T2U = T2Q + T2T;

            T2Z = T2V - T2Y;

            T30 = KP707106781 * (T2U + T2Z);

            T3n = KP707106781 * (T2Z - T2U);

            T32 = T2T - T2Q;

            T33 = T2V + T2Y;

            T34 = KP707106781 * (T32 - T33);

            T3j = KP707106781 * (T32 + T33);

       }

       ri[WS(rs, 10)] = T2P - T30;

       ii[WS(rs, 10)] = T3m - T3j;

       ri[WS(rs, 2)] = T2P + T30;

       ii[WS(rs, 2)] = T3j + T3m;

       ri[WS(rs, 14)] = T31 - T34;

       ii[WS(rs, 14)] = T3o - T3n;

       ri[WS(rs, 6)] = T31 + T34;

       ii[WS(rs, 6)] = T3n + T3o;

        }

        {

       E T2z, T2H, T3u, T3w, T2G, T3v, T2K, T3p;

       {

            E T2v, T2y, T3q, T3t;

            T2v = T1N + T1Q;

            T2y = KP707106781 * (T2w + T2x);

            T2z = T2v + T2y;

            T2H = T2v - T2y;

            T3q = KP707106781 * (T1W + T21);

            T3t = T3r - T3s;

            T3u = T3q + T3t;

            T3w = T3t - T3q;

       }

       {

            E T2C, T2F, T2I, T2J;

            T2C = FMA(KP382683432, T2A, KP923879532 * T2B);

            T2F = FNMS(KP382683432, T2E, KP923879532 * T2D);

            T2G = T2C + T2F;

            T3v = T2F - T2C;

            T2I = FNMS(KP382683432, T2B, KP923879532 * T2A);

            T2J = FMA(KP923879532, T2E, KP382683432 * T2D);

            T2K = T2I - T2J;

            T3p = T2I + T2J;

       }

       ri[WS(rs, 9)] = T2z - T2G;

       ii[WS(rs, 9)] = T3u - T3p;

       ri[WS(rs, 1)] = T2z + T2G;

       ii[WS(rs, 1)] = T3p + T3u;

       ri[WS(rs, 13)] = T2H - T2K;

       ii[WS(rs, 13)] = T3w - T3v;

       ri[WS(rs, 5)] = T2H + T2K;

       ii[WS(rs, 5)] = T3v + T3w;

        }

        {

       E T11, T35, T3g, T3i, T1M, T3h, T38, T39;

       {

            E TB, T10, T3a, T3f;

            TB = Tf + TA;

            T10 = TM + TZ;

            T11 = TB + T10;

            T35 = TB - T10;

            T3a = T2M + T2N;

            T3f = T3b + T3e;

            T3g = T3a + T3f;

            T3i = T3f - T3a;

       }

       {

            E T1o, T1L, T36, T37;

            T1o = T18 + T1n;

            T1L = T1B + T1K;

            T1M = T1o + T1L;

            T3h = T1L - T1o;

            T36 = T2R + T2S;

            T37 = T2W + T2X;

            T38 = T36 - T37;

            T39 = T36 + T37;

       }

       ri[WS(rs, 8)] = T11 - T1M;

       ii[WS(rs, 8)] = T3g - T39;

       ri[0] = T11 + T1M;

       ii[0] = T39 + T3g;

       ri[WS(rs, 12)] = T35 - T38;

       ii[WS(rs, 12)] = T3i - T3h;

       ri[WS(rs, 4)] = T35 + T38;

       ii[WS(rs, 4)] = T3h + T3i;

        }

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_CEXP, 0, 1 },

     { TW_CEXP, 0, 3 },

     { TW_CEXP, 0, 9 },

     { TW_CEXP, 0, 15 },

     { TW_NEXT, 1, 0 }

};

static const ct_desc desc = { 16, "t2_16", twinstr, &GENUS, { 156, 68, 40, 0 }, 0, 0, 0 };

void X(codelet_t2_16) (planner *p) {

     X(kdft_dit_register) (p, t2_16, &desc);

}

#endif