/*

 * 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 Jul 11 06:51:32 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 -n 3 -name t1_3 -include dft/scalar/t.h */

/*

 * This function contains 16 FP additions, 14 FP multiplications,

 * (or, 6 additions, 4 multiplications, 10 fused multiply/add),

 * 15 stack variables, 2 constants, and 12 memory accesses

 */

#include "dft/scalar/t.h"

static void t1_3(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)

{

     DK(KP866025403, +0.866025403784438646763723170752936183471402627);

     DK(KP500000000, +0.500000000000000000000000000000000000000000000);

     {

    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(6, rs)) {

         E T1, Tm, T7, Th, Td, Tj;

         T1 = ri[0];

         Tm = ii[0];

         {

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

        T3 = ri[WS(rs, 1)];

        T6 = ii[WS(rs, 1)];

        T2 = W[0];

        T4 = T2 * T3;

        Tg = T2 * T6;

        T5 = W[1];

        T7 = FMA(T5, T6, T4);

        Th = FNMS(T5, T3, Tg);

         }

         {

        E T9, Tc, Ta, Ti, T8, Tb;

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

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

        T8 = W[2];

        Ta = T8 * T9;

        Ti = T8 * Tc;

        Tb = W[3];

        Td = FMA(Tb, Tc, Ta);

        Tj = FNMS(Tb, T9, Ti);

         }

         {

        E Tk, Te, Tf, To, Tl, Tn;

        Tk = Th - Tj;

        Te = T7 + Td;

        Tf = FNMS(KP500000000, Te, T1);

        ri[0] = T1 + Te;

        ri[WS(rs, 1)] = FMA(KP866025403, Tk, Tf);

        ri[WS(rs, 2)] = FNMS(KP866025403, Tk, Tf);

        To = Td - T7;

        Tl = Th + Tj;

        Tn = FNMS(KP500000000, Tl, Tm);

        ii[0] = Tl + Tm;

        ii[WS(rs, 2)] = FNMS(KP866025403, To, Tn);

        ii[WS(rs, 1)] = FMA(KP866025403, To, Tn);

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_FULL, 0, 3 },

     { TW_NEXT, 1, 0 }

};

static const ct_desc desc = { 3, "t1_3", twinstr, &GENUS, { 6, 4, 10, 0 }, 0, 0, 0 };

void X(codelet_t1_3) (planner *p) {

     X(kdft_dit_register) (p, t1_3, &desc);

}

#else

/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -n 3 -name t1_3 -include dft/scalar/t.h */

/*

 * This function contains 16 FP additions, 12 FP multiplications,

 * (or, 10 additions, 6 multiplications, 6 fused multiply/add),

 * 15 stack variables, 2 constants, and 12 memory accesses

 */

#include "dft/scalar/t.h"

static void t1_3(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)

{

     DK(KP866025403, +0.866025403784438646763723170752936183471402627);

     DK(KP500000000, +0.500000000000000000000000000000000000000000000);

     {

    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(6, rs)) {

         E T1, Ti, T6, Te, Tb, Tf, Tc, Th;

         T1 = ri[0];

         Ti = ii[0];

         {

        E T3, T5, T2, T4;

        T3 = ri[WS(rs, 1)];

        T5 = ii[WS(rs, 1)];

        T2 = W[0];

        T4 = W[1];

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

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

         }

         {

        E T8, Ta, T7, T9;

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

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

        T7 = W[2];

        T9 = W[3];

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

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

         }

         Tc = T6 + Tb;

         Th = Te + Tf;

         ri[0] = T1 + Tc;

         ii[0] = Th + Ti;

         {

        E Td, Tg, Tj, Tk;

        Td = FNMS(KP500000000, Tc, T1);

        Tg = KP866025403 * (Te - Tf);

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

        ri[WS(rs, 1)] = Td + Tg;

        Tj = KP866025403 * (Tb - T6);

        Tk = FNMS(KP500000000, Th, Ti);

        ii[WS(rs, 1)] = Tj + Tk;

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

         }

    }

     }

}

static const tw_instr twinstr[] = {

     { TW_FULL, 0, 3 },

     { TW_NEXT, 1, 0 }

};

static const ct_desc desc = { 3, "t1_3", twinstr, &GENUS, { 10, 6, 6, 0 }, 0, 0, 0 };

void X(codelet_t1_3) (planner *p) {

     X(kdft_dit_register) (p, t1_3, &desc);

}

#endif