/*

 * 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 Sep  8 06:38:42 UTC 2024 */

#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 8 -name t2_8 -include dft/scalar/t.h */

/*

 * This function contains 74 FP additions, 50 FP multiplications,

 * (or, 44 additions, 20 multiplications, 30 fused multiply/add),

 * 48 stack variables, 1 constants, and 32 memory accesses

 */

#include "dft/scalar/t.h"

static void t2_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)

{

     DK(KP707106781, +0.707106781186547524400844362104849039284835938);

     {

    INT m;

    for (m = mb, W = W + (mb * 6); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) {

         E T2, T3, Tl, Tn, T5, T6, Tf, T7, Ts, Tb, To, Ti, TC, TG;

         {

        E T4, Tm, Tr, Ta, TB, TF;

        T2 = W[0];

        T3 = W[2];

        T4 = T2 * T3;

        Tl = W[4];

        Tm = T2 * Tl;

        Tn = W[5];

        Tr = T2 * Tn;

        T5 = W[1];

        T6 = W[3];

        Ta = T2 * T6;

        Tf = FMA(T5, T6, T4);

        T7 = FNMS(T5, T6, T4);

        Ts = FNMS(T5, Tl, Tr);

        Tb = FMA(T5, T3, Ta);

        To = FMA(T5, Tn, Tm);

        TB = Tf * Tl;

        TF = Tf * Tn;

        Ti = FNMS(T5, T3, Ta);

        TC = FMA(Ti, Tn, TB);

        TG = FNMS(Ti, Tl, TF);

         }

         {

        E T1, T1s, Td, T1r, Tu, TY, Tk, TW, TN, TR, T18, T1a, T1c, T1d, TA;

        E TI, T11, T13, T15, T16;

        T1 = ri[0];

        T1s = ii[0];

        {

       E T8, T9, Tc, T1q;

       T8 = ri[WS(rs, 4)];

       T9 = T7 * T8;

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

       T1q = T7 * Tc;

       Td = FMA(Tb, Tc, T9);

       T1r = FNMS(Tb, T8, T1q);

        }

        {

       E Tp, Tq, Tt, TX;

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

       Tq = To * Tp;

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

       TX = To * Tt;

       Tu = FMA(Ts, Tt, Tq);

       TY = FNMS(Ts, Tp, TX);

        }

        {

       E Tg, Th, Tj, TV;

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

       Th = Tf * Tg;

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

       TV = Tf * Tj;

       Tk = FMA(Ti, Tj, Th);

       TW = FNMS(Ti, Tg, TV);

        }

        {

       E TK, TL, TM, T19, TO, TP, TQ, T1b;

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

       TL = Tl * TK;

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

       T19 = Tl * TM;

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

       TP = T3 * TO;

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

       T1b = T3 * TQ;

       TN = FMA(Tn, TM, TL);

       TR = FMA(T6, TQ, TP);

       T18 = TN - TR;

       T1a = FNMS(Tn, TK, T19);

       T1c = FNMS(T6, TO, T1b);

       T1d = T1a - T1c;

        }

        {

       E Tx, Ty, Tz, T12, TD, TE, TH, T14;

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

       Ty = T2 * Tx;

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

       T12 = T2 * Tz;

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

       TE = TC * TD;

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

       T14 = TC * TH;

       TA = FMA(T5, Tz, Ty);

       TI = FMA(TG, TH, TE);

       T11 = TA - TI;

       T13 = FNMS(T5, Tx, T12);

       T15 = FNMS(TG, TD, T14);

       T16 = T13 - T15;

        }

        {

       E T10, T1g, T1z, T1B, T1f, T1C, T1j, T1A;

       {

            E TU, TZ, T1x, T1y;

            TU = T1 - Td;

            TZ = TW - TY;

            T10 = TU + TZ;

            T1g = TU - TZ;

            T1x = T1s - T1r;

            T1y = Tk - Tu;

            T1z = T1x - T1y;

            T1B = T1y + T1x;

       }

       {

            E T17, T1e, T1h, T1i;

            T17 = T11 + T16;

            T1e = T18 - T1d;

            T1f = T17 + T1e;

            T1C = T1e - T17;

            T1h = T16 - T11;

            T1i = T18 + T1d;

            T1j = T1h - T1i;

            T1A = T1h + T1i;

       }

       ri[WS(rs, 5)] = FNMS(KP707106781, T1f, T10);

       ii[WS(rs, 5)] = FNMS(KP707106781, T1A, T1z);

       ri[WS(rs, 1)] = FMA(KP707106781, T1f, T10);

       ii[WS(rs, 1)] = FMA(KP707106781, T1A, T1z);

       ri[WS(rs, 7)] = FNMS(KP707106781, T1j, T1g);

       ii[WS(rs, 7)] = FNMS(KP707106781, T1C, T1B);

       ri[WS(rs, 3)] = FMA(KP707106781, T1j, T1g);

       ii[WS(rs, 3)] = FMA(KP707106781, T1C, T1B);

        }

        {

       E Tw, T1k, T1u, T1w, TT, T1v, T1n, T1o;

       {

            E Te, Tv, T1p, T1t;

            Te = T1 + Td;

            Tv = Tk + Tu;

            Tw = Te + Tv;

            T1k = Te - Tv;

            T1p = TW + TY;

            T1t = T1r + T1s;

            T1u = T1p + T1t;

            T1w = T1t - T1p;

       }

       {

            E TJ, TS, T1l, T1m;

            TJ = TA + TI;

            TS = TN + TR;

            TT = TJ + TS;

            T1v = TS - TJ;

            T1l = T13 + T15;

            T1m = T1a + T1c;

            T1n = T1l - T1m;

            T1o = T1l + T1m;

       }

       ri[WS(rs, 4)] = Tw - TT;

       ii[WS(rs, 4)] = T1u - T1o;

       ri[0] = Tw + TT;

       ii[0] = T1o + T1u;

       ri[WS(rs, 6)] = T1k - T1n;

       ii[WS(rs, 6)] = T1w - T1v;

       ri[WS(rs, 2)] = T1k + T1n;

       ii[WS(rs, 2)] = T1v + T1w;

        }

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_CEXP, 0, 1 },

     { TW_CEXP, 0, 3 },

     { TW_CEXP, 0, 7 },

     { TW_NEXT, 1, 0 }

};

static const ct_desc desc = { 8, "t2_8", twinstr, &GENUS, { 44, 20, 30, 0 }, 0, 0, 0 };

void X(codelet_t2_8) (planner *p) {

     X(kdft_dit_register) (p, t2_8, &desc);

}

#else

/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 8 -name t2_8 -include dft/scalar/t.h */

/*

 * This function contains 74 FP additions, 44 FP multiplications,

 * (or, 56 additions, 26 multiplications, 18 fused multiply/add),

 * 42 stack variables, 1 constants, and 32 memory accesses

 */

#include "dft/scalar/t.h"

static void t2_8(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)

{

     DK(KP707106781, +0.707106781186547524400844362104849039284835938);

     {

    INT m;

    for (m = mb, W = W + (mb * 6); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 6, MAKE_VOLATILE_STRIDE(16, rs)) {

         E T2, T5, T3, T6, T8, Tc, Tg, Ti, Tl, Tm, Tn, Tz, Tp, Tx;

         {

        E T4, Tb, T7, Ta;

        T2 = W[0];

        T5 = W[1];

        T3 = W[2];

        T6 = W[3];

        T4 = T2 * T3;

        Tb = T5 * T3;

        T7 = T5 * T6;

        Ta = T2 * T6;

        T8 = T4 - T7;

        Tc = Ta + Tb;

        Tg = T4 + T7;

        Ti = Ta - Tb;

        Tl = W[4];

        Tm = W[5];

        Tn = FMA(T2, Tl, T5 * Tm);

        Tz = FNMS(Ti, Tl, Tg * Tm);

        Tp = FNMS(T5, Tl, T2 * Tm);

        Tx = FMA(Tg, Tl, Ti * Tm);

         }

         {

        E Tf, T1i, TL, T1d, TJ, T17, TV, TY, Ts, T1j, TO, T1a, TC, T16, TQ;

        E TT;

        {

       E T1, T1c, Te, T1b, T9, Td;

       T1 = ri[0];

       T1c = ii[0];

       T9 = ri[WS(rs, 4)];

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

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

       T1b = FNMS(Tc, T9, T8 * Td);

       Tf = T1 + Te;

       T1i = T1c - T1b;

       TL = T1 - Te;

       T1d = T1b + T1c;

        }

        {

       E TF, TW, TI, TX;

       {

            E TD, TE, TG, TH;

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

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

            TF = FMA(Tl, TD, Tm * TE);

            TW = FNMS(Tm, TD, Tl * TE);

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

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

            TI = FMA(T3, TG, T6 * TH);

            TX = FNMS(T6, TG, T3 * TH);

       }

       TJ = TF + TI;

       T17 = TW + TX;

       TV = TF - TI;

       TY = TW - TX;

        }

        {

       E Tk, TM, Tr, TN;

       {

            E Th, Tj, To, Tq;

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

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

            Tk = FMA(Tg, Th, Ti * Tj);

            TM = FNMS(Ti, Th, Tg * Tj);

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

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

            Tr = FMA(Tn, To, Tp * Tq);

            TN = FNMS(Tp, To, Tn * Tq);

       }

       Ts = Tk + Tr;

       T1j = Tk - Tr;

       TO = TM - TN;

       T1a = TM + TN;

        }

        {

       E Tw, TR, TB, TS;

       {

            E Tu, Tv, Ty, TA;

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

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

            Tw = FMA(T2, Tu, T5 * Tv);

            TR = FNMS(T5, Tu, T2 * Tv);

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

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

            TB = FMA(Tx, Ty, Tz * TA);

            TS = FNMS(Tz, Ty, Tx * TA);

       }

       TC = Tw + TB;

       T16 = TR + TS;

       TQ = Tw - TB;

       TT = TR - TS;

        }

        {

       E Tt, TK, T1f, T1g;

       Tt = Tf + Ts;

       TK = TC + TJ;

       ri[WS(rs, 4)] = Tt - TK;

       ri[0] = Tt + TK;

       {

            E T19, T1e, T15, T18;

            T19 = T16 + T17;

            T1e = T1a + T1d;

            ii[0] = T19 + T1e;

            ii[WS(rs, 4)] = T1e - T19;

            T15 = Tf - Ts;

            T18 = T16 - T17;

            ri[WS(rs, 6)] = T15 - T18;

            ri[WS(rs, 2)] = T15 + T18;

       }

       T1f = TJ - TC;

       T1g = T1d - T1a;

       ii[WS(rs, 2)] = T1f + T1g;

       ii[WS(rs, 6)] = T1g - T1f;

       {

            E T11, T1k, T14, T1h, T12, T13;

            T11 = TL - TO;

            T1k = T1i - T1j;

            T12 = TT - TQ;

            T13 = TV + TY;

            T14 = KP707106781 * (T12 - T13);

            T1h = KP707106781 * (T12 + T13);

            ri[WS(rs, 7)] = T11 - T14;

            ii[WS(rs, 5)] = T1k - T1h;

            ri[WS(rs, 3)] = T11 + T14;

            ii[WS(rs, 1)] = T1h + T1k;

       }

       {

            E TP, T1m, T10, T1l, TU, TZ;

            TP = TL + TO;

            T1m = T1j + T1i;

            TU = TQ + TT;

            TZ = TV - TY;

            T10 = KP707106781 * (TU + TZ);

            T1l = KP707106781 * (TZ - TU);

            ri[WS(rs, 5)] = TP - T10;

            ii[WS(rs, 7)] = T1m - T1l;

            ri[WS(rs, 1)] = TP + T10;

            ii[WS(rs, 3)] = T1l + T1m;

       }

        }

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_CEXP, 0, 1 },

     { TW_CEXP, 0, 3 },

     { TW_CEXP, 0, 7 },

     { TW_NEXT, 1, 0 }

};

static const ct_desc desc = { 8, "t2_8", twinstr, &GENUS, { 56, 26, 18, 0 }, 0, 0, 0 };

void X(codelet_t2_8) (planner *p) {

     X(kdft_dit_register) (p, t2_8, &desc);

}

#endif