/*

 * 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 Fri Aug 29 06:43:13 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 4 -name t2_4 -include dft/scalar/t.h */

/*

 * This function contains 24 FP additions, 16 FP multiplications,

 * (or, 16 additions, 8 multiplications, 8 fused multiply/add),

 * 21 stack variables, 0 constants, and 16 memory accesses

 */

#include "dft/scalar/t.h"

static void t2_4(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)

{

     {

    INT m;

    for (m = mb, W = W + (mb * 4); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 4, MAKE_VOLATILE_STRIDE(8, rs)) {

         E T2, T6, T3, T5, T7, Tb, T4, Ta;

         T2 = W[0];

         T6 = W[3];

         T3 = W[2];

         T4 = T2 * T3;

         Ta = T2 * T6;

         T5 = W[1];

         T7 = FMA(T5, T6, T4);

         Tb = FNMS(T5, T3, Ta);

         {

        E T1, Tx, Td, Tw, Ti, Tq, Tm, Ts;

        T1 = ri[0];

        Tx = ii[0];

        {

       E T8, T9, Tc, Tv;

       T8 = ri[WS(rs, 2)];

       T9 = T7 * T8;

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

       Tv = T7 * Tc;

       Td = FMA(Tb, Tc, T9);

       Tw = FNMS(Tb, T8, Tv);

        }

        {

       E Tf, Tg, Th, Tp;

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

       Tg = T2 * Tf;

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

       Tp = T2 * Th;

       Ti = FMA(T5, Th, Tg);

       Tq = FNMS(T5, Tf, Tp);

        }

        {

       E Tj, Tk, Tl, Tr;

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

       Tk = T3 * Tj;

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

       Tr = T3 * Tl;

       Tm = FMA(T6, Tl, Tk);

       Ts = FNMS(T6, Tj, Tr);

        }

        {

       E Te, Tn, Tu, Ty;

       Te = T1 + Td;

       Tn = Ti + Tm;

       ri[WS(rs, 2)] = Te - Tn;

       ri[0] = Te + Tn;

       Tu = Tq + Ts;

       Ty = Tw + Tx;

       ii[0] = Tu + Ty;

       ii[WS(rs, 2)] = Ty - Tu;

        }

        {

       E To, Tt, Tz, TA;

       To = T1 - Td;

       Tt = Tq - Ts;

       ri[WS(rs, 3)] = To - Tt;

       ri[WS(rs, 1)] = To + Tt;

       Tz = Tx - Tw;

       TA = Ti - Tm;

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

       ii[WS(rs, 3)] = TA + Tz;

        }

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_CEXP, 0, 1 },

     { TW_CEXP, 0, 3 },

     { TW_NEXT, 1, 0 }

};

static const ct_desc desc = { 4, "t2_4", twinstr, &GENUS, { 16, 8, 8, 0 }, 0, 0, 0 };

void X(codelet_t2_4) (planner *p) {

     X(kdft_dit_register) (p, t2_4, &desc);

}

#else

/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 4 -name t2_4 -include dft/scalar/t.h */

/*

 * This function contains 24 FP additions, 16 FP multiplications,

 * (or, 16 additions, 8 multiplications, 8 fused multiply/add),

 * 21 stack variables, 0 constants, and 16 memory accesses

 */

#include "dft/scalar/t.h"

static void t2_4(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)

{

     {

    INT m;

    for (m = mb, W = W + (mb * 4); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 4, MAKE_VOLATILE_STRIDE(8, rs)) {

         E T2, T4, T3, T5, T6, T8;

         T2 = W[0];

         T4 = W[1];

         T3 = W[2];

         T5 = W[3];

         T6 = FMA(T2, T3, T4 * T5);

         T8 = FNMS(T4, T3, T2 * T5);

         {

        E T1, Tp, Ta, To, Te, Tk, Th, Tl, T7, T9;

        T1 = ri[0];

        Tp = ii[0];

        T7 = ri[WS(rs, 2)];

        T9 = ii[WS(rs, 2)];

        Ta = FMA(T6, T7, T8 * T9);

        To = FNMS(T8, T7, T6 * T9);

        {

       E Tc, Td, Tf, Tg;

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

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

       Te = FMA(T2, Tc, T4 * Td);

       Tk = FNMS(T4, Tc, T2 * Td);

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

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

       Th = FMA(T3, Tf, T5 * Tg);

       Tl = FNMS(T5, Tf, T3 * Tg);

        }

        {

       E Tb, Ti, Tn, Tq;

       Tb = T1 + Ta;

       Ti = Te + Th;

       ri[WS(rs, 2)] = Tb - Ti;

       ri[0] = Tb + Ti;

       Tn = Tk + Tl;

       Tq = To + Tp;

       ii[0] = Tn + Tq;

       ii[WS(rs, 2)] = Tq - Tn;

        }

        {

       E Tj, Tm, Tr, Ts;

       Tj = T1 - Ta;

       Tm = Tk - Tl;

       ri[WS(rs, 3)] = Tj - Tm;

       ri[WS(rs, 1)] = Tj + Tm;

       Tr = Tp - To;

       Ts = Te - Th;

       ii[WS(rs, 1)] = Tr - Ts;

       ii[WS(rs, 3)] = Ts + Tr;

        }

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_CEXP, 0, 1 },

     { TW_CEXP, 0, 3 },

     { TW_NEXT, 1, 0 }

};

static const ct_desc desc = { 4, "t2_4", twinstr, &GENUS, { 16, 8, 8, 0 }, 0, 0, 0 };

void X(codelet_t2_4) (planner *p) {

     X(kdft_dit_register) (p, t2_4, &desc);

}

#endif