/*

 * 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 Tue Aug 26 06:33:55 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 4 -name r2cb_4 -include rdft/scalar/r2cb.h */

/*

 * This function contains 6 FP additions, 4 FP multiplications,

 * (or, 2 additions, 0 multiplications, 4 fused multiply/add),

 * 8 stack variables, 1 constants, and 8 memory accesses

 */

#include "rdft/scalar/r2cb.h"

static void r2cb_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)

{

     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(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {

         E T4, T6, T3, T5, T1, T2;

         T4 = Cr[WS(csr, 1)];

         T6 = Ci[WS(csi, 1)];

         T1 = Cr[0];

         T2 = Cr[WS(csr, 2)];

         T3 = T1 + T2;

         T5 = T1 - T2;

         R0[WS(rs, 1)] = FNMS(KP2_000000000, T4, T3);

         R1[WS(rs, 1)] = FMA(KP2_000000000, T6, T5);

         R0[0] = FMA(KP2_000000000, T4, T3);

         R1[0] = FNMS(KP2_000000000, T6, T5);

    }

     }

}

static const kr2c_desc desc = { 4, "r2cb_4", { 2, 0, 4, 0 }, &GENUS };

void X(codelet_r2cb_4) (planner *p) { X(kr2c_register) (p, r2cb_4, &desc);

}

#else

/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 4 -name r2cb_4 -include rdft/scalar/r2cb.h */

/*

 * This function contains 6 FP additions, 2 FP multiplications,

 * (or, 6 additions, 2 multiplications, 0 fused multiply/add),

 * 10 stack variables, 1 constants, and 8 memory accesses

 */

#include "rdft/scalar/r2cb.h"

static void r2cb_4(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)

{

     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(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {

         E T5, T8, T3, T6;

         {

        E T4, T7, T1, T2;

        T4 = Cr[WS(csr, 1)];

        T5 = KP2_000000000 * T4;

        T7 = Ci[WS(csi, 1)];

        T8 = KP2_000000000 * T7;

        T1 = Cr[0];

        T2 = Cr[WS(csr, 2)];

        T3 = T1 + T2;

        T6 = T1 - T2;

         }

         R0[WS(rs, 1)] = T3 - T5;

         R1[WS(rs, 1)] = T6 + T8;

         R0[0] = T3 + T5;

         R1[0] = T6 - T8;

    }

     }

}

static const kr2c_desc desc = { 4, "r2cb_4", { 6, 2, 0, 0 }, &GENUS };

void X(codelet_r2cb_4) (planner *p) { X(kr2c_register) (p, r2cb_4, &desc);

}

#endif