/*

 * 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 06:41:29 UTC 2024 */

#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 3 -name r2cfII_3 -dft-II -include rdft/scalar/r2cfII.h */

/*

 * This function contains 4 FP additions, 2 FP multiplications,

 * (or, 3 additions, 1 multiplications, 1 fused multiply/add),

 * 7 stack variables, 2 constants, and 6 memory accesses

 */

#include "rdft/scalar/r2cfII.h"

static void r2cfII_3(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)

{

     DK(KP500000000, +0.500000000000000000000000000000000000000000000);

     DK(KP866025403, +0.866025403784438646763723170752936183471402627);

     {

    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(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) {

         E T3, T1, T2, T4;

         T3 = R0[0];

         T1 = R1[0];

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

         T4 = T2 - T1;

         Ci[0] = -(KP866025403 * (T1 + T2));

         Cr[0] = FNMS(KP500000000, T4, T3);

         Cr[WS(csr, 1)] = T3 + T4;

    }

     }

}

static const kr2c_desc desc = { 3, "r2cfII_3", { 3, 1, 1, 0 }, &GENUS };

void X(codelet_r2cfII_3) (planner *p) { X(kr2c_register) (p, r2cfII_3, &desc);

}

#else

/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 3 -name r2cfII_3 -dft-II -include rdft/scalar/r2cfII.h */

/*

 * This function contains 4 FP additions, 2 FP multiplications,

 * (or, 3 additions, 1 multiplications, 1 fused multiply/add),

 * 7 stack variables, 2 constants, and 6 memory accesses

 */

#include "rdft/scalar/r2cfII.h"

static void r2cfII_3(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)

{

     DK(KP500000000, +0.500000000000000000000000000000000000000000000);

     DK(KP866025403, +0.866025403784438646763723170752936183471402627);

     {

    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(12, rs), MAKE_VOLATILE_STRIDE(12, csr), MAKE_VOLATILE_STRIDE(12, csi)) {

         E T1, T2, T3, T4;

         T1 = R0[0];

         T2 = R1[0];

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

         T4 = T2 - T3;

         Cr[WS(csr, 1)] = T1 - T4;

         Ci[0] = -(KP866025403 * (T2 + T3));

         Cr[0] = FMA(KP500000000, T4, T1);

    }

     }

}

static const kr2c_desc desc = { 3, "r2cfII_3", { 3, 1, 1, 0 }, &GENUS };

void X(codelet_r2cfII_3) (planner *p) { X(kr2c_register) (p, r2cfII_3, &desc);

}

#endif