/*

 * 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 06:44:58 UTC 2025 */

#include "rdft/codelet-rdft.h"

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

/* Generated by: ../../../genfft/gen_hc2c.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -dif -name hc2cb_4 -include rdft/scalar/hc2cb.h */

/*

 * This function contains 22 FP additions, 12 FP multiplications,

 * (or, 16 additions, 6 multiplications, 6 fused multiply/add),

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

 */

#include "rdft/scalar/hc2cb.h"

static void hc2cb_4(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)

{

     {

    INT m;

    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)) {

         E T3, T6, T8, Td, Tx, Tu, Tm, Tg, Tr;

         {

        E Tb, Tc, Tq, Tk, Te, Tf, Tl, Tp;

        {

       E T1, T2, T4, T5;

       Tb = Ip[0];

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

       Tq = Tb + Tc;

       T1 = Rp[0];

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

       T3 = T1 + T2;

       Tk = T1 - T2;

       Te = Ip[WS(rs, 1)];

       Tf = Im[0];

       Tl = Te + Tf;

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

       T5 = Rm[0];

       T6 = T4 + T5;

       Tp = T4 - T5;

        }

        T8 = T3 - T6;

        Td = Tb - Tc;

        Tx = Tq - Tp;

        Tu = Tk + Tl;

        Tm = Tk - Tl;

        Tg = Te - Tf;

        Tr = Tp + Tq;

         }

         Rp[0] = T3 + T6;

         Rm[0] = Td + Tg;

         {

        E Tn, Ts, Tj, To;

        Tj = W[0];

        Tn = Tj * Tm;

        Ts = Tj * Tr;

        To = W[1];

        Ip[0] = FNMS(To, Tr, Tn);

        Im[0] = FMA(To, Tm, Ts);

         }

         {

        E Tv, Ty, Tt, Tw;

        Tt = W[4];

        Tv = Tt * Tu;

        Ty = Tt * Tx;

        Tw = W[5];

        Ip[WS(rs, 1)] = FNMS(Tw, Tx, Tv);

        Im[WS(rs, 1)] = FMA(Tw, Tu, Ty);

         }

         {

        E Th, Ta, Ti, T7, T9;

        Th = Td - Tg;

        Ta = W[3];

        Ti = Ta * T8;

        T7 = W[2];

        T9 = T7 * T8;

        Rp[WS(rs, 1)] = FNMS(Ta, Th, T9);

        Rm[WS(rs, 1)] = FMA(T7, Th, Ti);

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_FULL, 1, 4 },

     { TW_NEXT, 1, 0 }

};

static const hc2c_desc desc = { 4, "hc2cb_4", twinstr, &GENUS, { 16, 6, 6, 0 } };

void X(codelet_hc2cb_4) (planner *p) {

     X(khc2c_register) (p, hc2cb_4, &desc, HC2C_VIA_RDFT);

}

#else

/* Generated by: ../../../genfft/gen_hc2c.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -dif -name hc2cb_4 -include rdft/scalar/hc2cb.h */

/*

 * This function contains 22 FP additions, 12 FP multiplications,

 * (or, 16 additions, 6 multiplications, 6 fused multiply/add),

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

 */

#include "rdft/scalar/hc2cb.h"

static void hc2cb_4(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)

{

     {

    INT m;

    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)) {

         E T3, Ti, Tc, Tn, T6, Tm, Tf, Tj;

         {

        E T1, T2, Ta, Tb;

        T1 = Rp[0];

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

        T3 = T1 + T2;

        Ti = T1 - T2;

        Ta = Ip[0];

        Tb = Im[WS(rs, 1)];

        Tc = Ta - Tb;

        Tn = Ta + Tb;

         }

         {

        E T4, T5, Td, Te;

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

        T5 = Rm[0];

        T6 = T4 + T5;

        Tm = T4 - T5;

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

        Te = Im[0];

        Tf = Td - Te;

        Tj = Td + Te;

         }

         Rp[0] = T3 + T6;

         Rm[0] = Tc + Tf;

         {

        E T8, Tg, T7, T9;

        T8 = T3 - T6;

        Tg = Tc - Tf;

        T7 = W[2];

        T9 = W[3];

        Rp[WS(rs, 1)] = FNMS(T9, Tg, T7 * T8);

        Rm[WS(rs, 1)] = FMA(T9, T8, T7 * Tg);

         }

         {

        E Tk, To, Th, Tl;

        Tk = Ti - Tj;

        To = Tm + Tn;

        Th = W[0];

        Tl = W[1];

        Ip[0] = FNMS(Tl, To, Th * Tk);

        Im[0] = FMA(Th, To, Tl * Tk);

         }

         {

        E Tq, Ts, Tp, Tr;

        Tq = Ti + Tj;

        Ts = Tn - Tm;

        Tp = W[4];

        Tr = W[5];

        Ip[WS(rs, 1)] = FNMS(Tr, Ts, Tp * Tq);

        Im[WS(rs, 1)] = FMA(Tp, Ts, Tr * Tq);

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_FULL, 1, 4 },

     { TW_NEXT, 1, 0 }

};

static const hc2c_desc desc = { 4, "hc2cb_4", twinstr, &GENUS, { 16, 6, 6, 0 } };

void X(codelet_hc2cb_4) (planner *p) {

     X(khc2c_register) (p, hc2cb_4, &desc, HC2C_VIA_RDFT);

}

#endif