/*

 * 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 Wed Jul 23 07:02:42 UTC 2025 */

#include "rdft/codelet-rdft.h"

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

/* Generated by: ../../../genfft/gen_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 8 -name r2cbIII_8 -dft-III -include rdft/scalar/r2cbIII.h */

/*

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

 * (or, 18 additions, 8 multiplications, 4 fused multiply/add),

 * 19 stack variables, 4 constants, and 16 memory accesses

 */

#include "rdft/scalar/r2cbIII.h"

static void r2cbIII_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)

{

     DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);

     DK(KP414213562, +0.414213562373095048801688724209698078569671875);

     DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);

     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);

     {

    INT i;

    for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {

         E T3, T7, Tf, Tl, T6, Tc, Ta, Tk, Tb, Tg;

         {

        E T1, T2, Td, Te;

        T1 = Cr[0];

        T2 = Cr[WS(csr, 3)];

        T3 = T1 + T2;

        T7 = T1 - T2;

        Td = Ci[0];

        Te = Ci[WS(csi, 3)];

        Tf = Td + Te;

        Tl = Te - Td;

         }

         {

        E T4, T5, T8, T9;

        T4 = Cr[WS(csr, 2)];

        T5 = Cr[WS(csr, 1)];

        T6 = T4 + T5;

        Tc = T4 - T5;

        T8 = Ci[WS(csi, 2)];

        T9 = Ci[WS(csi, 1)];

        Ta = T8 + T9;

        Tk = T8 - T9;

         }

         R0[0] = KP2_000000000 * (T3 + T6);

         R0[WS(rs, 2)] = KP2_000000000 * (Tl - Tk);

         Tb = T7 - Ta;

         Tg = Tc + Tf;

         R1[0] = KP1_847759065 * (FNMS(KP414213562, Tg, Tb));

         R1[WS(rs, 2)] = -(KP1_847759065 * (FMA(KP414213562, Tb, Tg)));

         {

        E Th, Ti, Tj, Tm;

        Th = Tc - Tf;

        Ti = T7 + Ta;

        R1[WS(rs, 1)] = KP1_847759065 * (FMA(KP414213562, Ti, Th));

        R1[WS(rs, 3)] = -(KP1_847759065 * (FNMS(KP414213562, Th, Ti)));

        Tj = T3 - T6;

        Tm = Tk + Tl;

        R0[WS(rs, 1)] = KP1_414213562 * (Tj + Tm);

        R0[WS(rs, 3)] = KP1_414213562 * (Tm - Tj);

         }

    }

     }

}

static const kr2c_desc desc = { 8, "r2cbIII_8", { 18, 8, 4, 0 }, &GENUS };

void X(codelet_r2cbIII_8) (planner *p) { X(kr2c_register) (p, r2cbIII_8, &desc);

}

#else

/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 8 -name r2cbIII_8 -dft-III -include rdft/scalar/r2cbIII.h */

/*

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

 * (or, 18 additions, 8 multiplications, 4 fused multiply/add),

 * 19 stack variables, 4 constants, and 16 memory accesses

 */

#include "rdft/scalar/r2cbIII.h"

static void r2cbIII_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)

{

     DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);

     DK(KP765366864, +0.765366864730179543456919968060797733522689125);

     DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);

     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);

     {

    INT i;

    for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(32, rs), MAKE_VOLATILE_STRIDE(32, csr), MAKE_VOLATILE_STRIDE(32, csi)) {

         E T3, T7, Tf, Tl, T6, Tc, Ta, Tk, Tb, Tg;

         {

        E T1, T2, Td, Te;

        T1 = Cr[0];

        T2 = Cr[WS(csr, 3)];

        T3 = T1 + T2;

        T7 = T1 - T2;

        Td = Ci[0];

        Te = Ci[WS(csi, 3)];

        Tf = Td + Te;

        Tl = Te - Td;

         }

         {

        E T4, T5, T8, T9;

        T4 = Cr[WS(csr, 2)];

        T5 = Cr[WS(csr, 1)];

        T6 = T4 + T5;

        Tc = T4 - T5;

        T8 = Ci[WS(csi, 2)];

        T9 = Ci[WS(csi, 1)];

        Ta = T8 + T9;

        Tk = T8 - T9;

         }

         R0[0] = KP2_000000000 * (T3 + T6);

         R0[WS(rs, 2)] = KP2_000000000 * (Tl - Tk);

         Tb = T7 - Ta;

         Tg = Tc + Tf;

         R1[0] = FNMS(KP765366864, Tg, KP1_847759065 * Tb);

         R1[WS(rs, 2)] = -(FMA(KP765366864, Tb, KP1_847759065 * Tg));

         {

        E Th, Ti, Tj, Tm;

        Th = T7 + Ta;

        Ti = Tc - Tf;

        R1[WS(rs, 1)] = FMA(KP765366864, Th, KP1_847759065 * Ti);

        R1[WS(rs, 3)] = FNMS(KP1_847759065, Th, KP765366864 * Ti);

        Tj = T3 - T6;

        Tm = Tk + Tl;

        R0[WS(rs, 1)] = KP1_414213562 * (Tj + Tm);

        R0[WS(rs, 3)] = KP1_414213562 * (Tm - Tj);

         }

    }

     }

}

static const kr2c_desc desc = { 8, "r2cbIII_8", { 18, 8, 4, 0 }, &GENUS };

void X(codelet_r2cbIII_8) (planner *p) { X(kr2c_register) (p, r2cbIII_8, &desc);

}

#endif