/*

 * 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 Sep  8 06:42:07 UTC 2024 */

#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 r2cb_8 -include rdft/scalar/r2cb.h */

/*

 * This function contains 20 FP additions, 12 FP multiplications,

 * (or, 8 additions, 0 multiplications, 12 fused multiply/add),

 * 19 stack variables, 2 constants, and 16 memory accesses

 */

#include "rdft/scalar/r2cb.h"

static void r2cb_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(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 T4, Ta, T3, T9, T8, Tc, Tf, Tk, T1, T2, T5, Tj;

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

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

         T1 = Cr[0];

         T2 = Cr[WS(csr, 4)];

         T3 = T1 + T2;

         T9 = T1 - T2;

         {

        E T6, T7, Td, Te;

        T6 = Cr[WS(csr, 1)];

        T7 = Cr[WS(csr, 3)];

        T8 = T6 + T7;

        Tc = T6 - T7;

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

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

        Tf = Td + Te;

        Tk = Td - Te;

         }

         T5 = FMA(KP2_000000000, T4, T3);

         R0[WS(rs, 2)] = FNMS(KP2_000000000, T8, T5);

         R0[0] = FMA(KP2_000000000, T8, T5);

         Tj = FNMS(KP2_000000000, T4, T3);

         R0[WS(rs, 1)] = FNMS(KP2_000000000, Tk, Tj);

         R0[WS(rs, 3)] = FMA(KP2_000000000, Tk, Tj);

         {

        E Tb, Tg, Th, Ti;

        Tb = FNMS(KP2_000000000, Ta, T9);

        Tg = Tc - Tf;

        R1[WS(rs, 2)] = FNMS(KP1_414213562, Tg, Tb);

        R1[0] = FMA(KP1_414213562, Tg, Tb);

        Th = FMA(KP2_000000000, Ta, T9);

        Ti = Tc + Tf;

        R1[WS(rs, 1)] = FNMS(KP1_414213562, Ti, Th);

        R1[WS(rs, 3)] = FMA(KP1_414213562, Ti, Th);

         }

    }

     }

}

static const kr2c_desc desc = { 8, "r2cb_8", { 8, 0, 12, 0 }, &GENUS };

void X(codelet_r2cb_8) (planner *p) { X(kr2c_register) (p, r2cb_8, &desc);

}

#else

/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 8 -name r2cb_8 -include rdft/scalar/r2cb.h */

/*

 * This function contains 20 FP additions, 6 FP multiplications,

 * (or, 20 additions, 6 multiplications, 0 fused multiply/add),

 * 21 stack variables, 2 constants, and 16 memory accesses

 */

#include "rdft/scalar/r2cb.h"

static void r2cb_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(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 T5, Tg, T3, Te, T9, Ti, Td, Tj, T6, Ta;

         {

        E T4, Tf, T1, T2;

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

        T5 = KP2_000000000 * T4;

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

        Tg = KP2_000000000 * Tf;

        T1 = Cr[0];

        T2 = Cr[WS(csr, 4)];

        T3 = T1 + T2;

        Te = T1 - T2;

        {

       E T7, T8, Tb, Tc;

       T7 = Cr[WS(csr, 1)];

       T8 = Cr[WS(csr, 3)];

       T9 = KP2_000000000 * (T7 + T8);

       Ti = T7 - T8;

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

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

       Td = KP2_000000000 * (Tb - Tc);

       Tj = Tb + Tc;

        }

         }

         T6 = T3 + T5;

         R0[WS(rs, 2)] = T6 - T9;

         R0[0] = T6 + T9;

         Ta = T3 - T5;

         R0[WS(rs, 1)] = Ta - Td;

         R0[WS(rs, 3)] = Ta + Td;

         {

        E Th, Tk, Tl, Tm;

        Th = Te - Tg;

        Tk = KP1_414213562 * (Ti - Tj);

        R1[WS(rs, 2)] = Th - Tk;

        R1[0] = Th + Tk;

        Tl = Te + Tg;

        Tm = KP1_414213562 * (Ti + Tj);

        R1[WS(rs, 1)] = Tl - Tm;

        R1[WS(rs, 3)] = Tl + Tm;

         }

    }

     }

}

static const kr2c_desc desc = { 8, "r2cb_8", { 20, 6, 0, 0 }, &GENUS };

void X(codelet_r2cb_8) (planner *p) { X(kr2c_register) (p, r2cb_8, &desc);

}

#endif