/*

 * 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 06:44:39 UTC 2025 */

#include "rdft/codelet-rdft.h"

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

/* Generated by: ../../../genfft/gen_hc2hc.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 4 -dif -name hb2_4 -include rdft/scalar/hb.h */

/*

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

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

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

 */

#include "rdft/scalar/hb.h"

static void hb2_4(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)

{

     {

    INT m;

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

         E T7, Tb, T8, Ta, Tc, Tg, T9, Tf;

         T7 = W[0];

         Tb = W[3];

         T8 = W[2];

         T9 = T7 * T8;

         Tf = T7 * Tb;

         Ta = W[1];

         Tc = FMA(Ta, Tb, T9);

         Tg = FNMS(Ta, T8, Tf);

         {

        E T3, T6, Td, Tj, Tz, Tx, Tr, Tm, Tv, Ts, Tw, TA;

        {

       E Th, Ti, Tu, Tk, Tl, Tq, Tp, Tt;

       Th = ci[WS(rs, 3)];

       Ti = cr[WS(rs, 2)];

       Tu = Th + Ti;

       Tk = ci[WS(rs, 2)];

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

       Tq = Tk + Tl;

       {

            E T1, T2, T4, T5;

            T1 = cr[0];

            T2 = ci[WS(rs, 1)];

            T3 = T1 + T2;

            Tp = T1 - T2;

            T4 = cr[WS(rs, 1)];

            T5 = ci[0];

            T6 = T4 + T5;

            Tt = T4 - T5;

       }

       Td = T3 - T6;

       Tj = Th - Ti;

       Tz = Tu - Tt;

       Tx = Tp + Tq;

       Tr = Tp - Tq;

       Tm = Tk - Tl;

       Tv = Tt + Tu;

        }

        cr[0] = T3 + T6;

        ci[0] = Tj + Tm;

        Ts = T7 * Tr;

        cr[WS(rs, 1)] = FNMS(Ta, Tv, Ts);

        Tw = T7 * Tv;

        ci[WS(rs, 1)] = FMA(Ta, Tr, Tw);

        TA = T8 * Tz;

        ci[WS(rs, 3)] = FMA(Tb, Tx, TA);

        {

       E Ty, Te, To, Tn;

       Ty = T8 * Tx;

       cr[WS(rs, 3)] = FNMS(Tb, Tz, Ty);

       Te = Tc * Td;

       To = Tg * Td;

       Tn = Tj - Tm;

       cr[WS(rs, 2)] = FNMS(Tg, Tn, Te);

       ci[WS(rs, 2)] = FMA(Tc, Tn, To);

        }

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_CEXP, 1, 1 },

     { TW_CEXP, 1, 3 },

     { TW_NEXT, 1, 0 }

};

static const hc2hc_desc desc = { 4, "hb2_4", twinstr, &GENUS, { 16, 8, 8, 0 } };

void X(codelet_hb2_4) (planner *p) {

     X(khc2hc_register) (p, hb2_4, &desc);

}

#else

/* Generated by: ../../../genfft/gen_hc2hc.native -compact -variables 4 -pipeline-latency 4 -sign 1 -twiddle-log3 -precompute-twiddles -n 4 -dif -name hb2_4 -include rdft/scalar/hb.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 "rdft/scalar/hb.h"

static void hb2_4(R *cr, R *ci, const R *W, stride rs, INT mb, INT me, INT ms)

{

     {

    INT m;

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

         E T7, T9, T8, Ta, Tb, Td;

         T7 = W[0];

         T9 = W[1];

         T8 = W[2];

         Ta = W[3];

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

         Td = FNMS(T9, T8, T7 * Ta);

         {

        E T3, Tl, T6, To, Tg, Tp, Tj, Tm, Tc, Tk;

        {

       E T1, T2, T4, T5;

       T1 = cr[0];

       T2 = ci[WS(rs, 1)];

       T3 = T1 + T2;

       Tl = T1 - T2;

       T4 = cr[WS(rs, 1)];

       T5 = ci[0];

       T6 = T4 + T5;

       To = T4 - T5;

        }

        {

       E Te, Tf, Th, Ti;

       Te = ci[WS(rs, 3)];

       Tf = cr[WS(rs, 2)];

       Tg = Te - Tf;

       Tp = Te + Tf;

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

       Ti = cr[WS(rs, 3)];

       Tj = Th - Ti;

       Tm = Th + Ti;

        }

        cr[0] = T3 + T6;

        ci[0] = Tg + Tj;

        Tc = T3 - T6;

        Tk = Tg - Tj;

        cr[WS(rs, 2)] = FNMS(Td, Tk, Tb * Tc);

        ci[WS(rs, 2)] = FMA(Td, Tc, Tb * Tk);

        {

       E Tn, Tq, Tr, Ts;

       Tn = Tl - Tm;

       Tq = To + Tp;

       cr[WS(rs, 1)] = FNMS(T9, Tq, T7 * Tn);

       ci[WS(rs, 1)] = FMA(T7, Tq, T9 * Tn);

       Tr = Tl + Tm;

       Ts = Tp - To;

       cr[WS(rs, 3)] = FNMS(Ta, Ts, T8 * Tr);

       ci[WS(rs, 3)] = FMA(T8, Ts, Ta * Tr);

        }

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_CEXP, 1, 1 },

     { TW_CEXP, 1, 3 },

     { TW_NEXT, 1, 0 }

};

static const hc2hc_desc desc = { 4, "hb2_4", twinstr, &GENUS, { 16, 8, 8, 0 } };

void X(codelet_hb2_4) (planner *p) {

     X(khc2hc_register) (p, hb2_4, &desc);

}

#endif