/*

 * 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 06:43:49 UTC 2025 */

#include "rdft/codelet-rdft.h"

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

/* Generated by: ../../../genfft/gen_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 8 -name r2cfII_8 -dft-II -include rdft/scalar/r2cfII.h */

/*

 * This function contains 22 FP additions, 16 FP multiplications,

 * (or, 6 additions, 0 multiplications, 16 fused multiply/add),

 * 18 stack variables, 3 constants, and 16 memory accesses

 */

#include "rdft/scalar/r2cfII.h"

static void r2cfII_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)

{

     DK(KP923879532, +0.923879532511286756128183189396788286822416626);

     DK(KP707106781, +0.707106781186547524400844362104849039284835938);

     DK(KP414213562, +0.414213562373095048801688724209698078569671875);

     {

    INT i;

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

         E T1, Th, T4, Ti, T8, Te, Tb, Tf, T2, T3;

         T1 = R0[0];

         Th = R0[WS(rs, 2)];

         T2 = R0[WS(rs, 1)];

         T3 = R0[WS(rs, 3)];

         T4 = T2 - T3;

         Ti = T2 + T3;

         {

        E T6, T7, T9, Ta;

        T6 = R1[0];

        T7 = R1[WS(rs, 2)];

        T8 = FNMS(KP414213562, T7, T6);

        Te = FMA(KP414213562, T6, T7);

        T9 = R1[WS(rs, 3)];

        Ta = R1[WS(rs, 1)];

        Tb = FMS(KP414213562, Ta, T9);

        Tf = FMA(KP414213562, T9, Ta);

         }

         {

        E T5, Tc, Tj, Tk;

        T5 = FMA(KP707106781, T4, T1);

        Tc = T8 + Tb;

        Cr[WS(csr, 3)] = FNMS(KP923879532, Tc, T5);

        Cr[0] = FMA(KP923879532, Tc, T5);

        Tj = FMA(KP707106781, Ti, Th);

        Tk = Te + Tf;

        Ci[0] = -(FMA(KP923879532, Tk, Tj));

        Ci[WS(csi, 3)] = FNMS(KP923879532, Tk, Tj);

         }

         {

        E Td, Tg, Tl, Tm;

        Td = FNMS(KP707106781, T4, T1);

        Tg = Te - Tf;

        Cr[WS(csr, 2)] = FNMS(KP923879532, Tg, Td);

        Cr[WS(csr, 1)] = FMA(KP923879532, Tg, Td);

        Tl = FNMS(KP707106781, Ti, Th);

        Tm = Tb - T8;

        Ci[WS(csi, 2)] = FMS(KP923879532, Tm, Tl);

        Ci[WS(csi, 1)] = FMA(KP923879532, Tm, Tl);

         }

    }

     }

}

static const kr2c_desc desc = { 8, "r2cfII_8", { 6, 0, 16, 0 }, &GENUS };

void X(codelet_r2cfII_8) (planner *p) { X(kr2c_register) (p, r2cfII_8, &desc);

}

#else

/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 8 -name r2cfII_8 -dft-II -include rdft/scalar/r2cfII.h */

/*

 * This function contains 22 FP additions, 10 FP multiplications,

 * (or, 18 additions, 6 multiplications, 4 fused multiply/add),

 * 18 stack variables, 3 constants, and 16 memory accesses

 */

#include "rdft/scalar/r2cfII.h"

static void r2cfII_8(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)

{

     DK(KP382683432, +0.382683432365089771728459984030398866761344562);

     DK(KP923879532, +0.923879532511286756128183189396788286822416626);

     DK(KP707106781, +0.707106781186547524400844362104849039284835938);

     {

    INT i;

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

         E T1, Tj, T4, Ti, T8, Te, Tb, Tf, T2, T3;

         T1 = R0[0];

         Tj = R0[WS(rs, 2)];

         T2 = R0[WS(rs, 1)];

         T3 = R0[WS(rs, 3)];

         T4 = KP707106781 * (T2 - T3);

         Ti = KP707106781 * (T2 + T3);

         {

        E T6, T7, T9, Ta;

        T6 = R1[0];

        T7 = R1[WS(rs, 2)];

        T8 = FNMS(KP382683432, T7, KP923879532 * T6);

        Te = FMA(KP382683432, T6, KP923879532 * T7);

        T9 = R1[WS(rs, 1)];

        Ta = R1[WS(rs, 3)];

        Tb = FNMS(KP923879532, Ta, KP382683432 * T9);

        Tf = FMA(KP923879532, T9, KP382683432 * Ta);

         }

         {

        E T5, Tc, Th, Tk;

        T5 = T1 + T4;

        Tc = T8 + Tb;

        Cr[WS(csr, 3)] = T5 - Tc;

        Cr[0] = T5 + Tc;

        Th = Te + Tf;

        Tk = Ti + Tj;

        Ci[0] = -(Th + Tk);

        Ci[WS(csi, 3)] = Tk - Th;

         }

         {

        E Td, Tg, Tl, Tm;

        Td = T1 - T4;

        Tg = Te - Tf;

        Cr[WS(csr, 2)] = Td - Tg;

        Cr[WS(csr, 1)] = Td + Tg;

        Tl = Tb - T8;

        Tm = Tj - Ti;

        Ci[WS(csi, 2)] = Tl - Tm;

        Ci[WS(csi, 1)] = Tl + Tm;

         }

    }

     }

}

static const kr2c_desc desc = { 8, "r2cfII_8", { 18, 6, 4, 0 }, &GENUS };

void X(codelet_r2cfII_8) (planner *p) { X(kr2c_register) (p, r2cfII_8, &desc);

}

#endif