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n1_6.c

/*
 * Copyright (c) 2003, 2006 Matteo Frigo
 * Copyright (c) 2003, 2006 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

/* This file was automatically generated --- DO NOT EDIT */
/* Generated on Sat Jul  1 13:54:07 EDT 2006 */

#include "codelet-dft.h"

#ifdef HAVE_FMA

/* Generated by: ../../../genfft/gen_notw -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 6 -name n1_6 -include n.h */

/*
 * This function contains 36 FP additions, 12 FP multiplications,
 * (or, 24 additions, 0 multiplications, 12 fused multiply/add),
 * 30 stack variables, and 24 memory accesses
 */
/*
 * Generator Id's : 
 * $Id: algsimp.ml,v 1.9 2006-02-12 23:34:12 athena Exp $
 * $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $
 * $Id: gen_notw.ml,v 1.30 2006-02-12 23:34:12 athena Exp $
 */

#include "n.h"

static void n1_6(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
     INT i;
     for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(os)) {
        E TA, Tz;
        {
             E Tb, T3, Tx, Tp, Tj, Te, Ts, Ta, Tu, Ti, Tk;
             {
                E T1, T2, Tn, To;
                T1 = ri[0];
                T2 = ri[WS(is, 3)];
                Tn = ii[0];
                To = ii[WS(is, 3)];
                {
                   E T4, T5, T7, T8;
                   T4 = ri[WS(is, 2)];
                   Tb = T1 + T2;
                   T3 = T1 - T2;
                   Tx = Tn + To;
                   Tp = Tn - To;
                   T5 = ri[WS(is, 5)];
                   T7 = ri[WS(is, 4)];
                   T8 = ri[WS(is, 1)];
                   {
                        E Tg, Tc, T6, Td, T9, Th;
                        Tg = ii[WS(is, 2)];
                        Tc = T4 + T5;
                        T6 = T4 - T5;
                        Td = T7 + T8;
                        T9 = T7 - T8;
                        Th = ii[WS(is, 5)];
                        Tj = ii[WS(is, 4)];
                        Te = Tc + Td;
                        TA = Td - Tc;
                        Ts = T9 - T6;
                        Ta = T6 + T9;
                        Tu = Tg + Th;
                        Ti = Tg - Th;
                        Tk = ii[WS(is, 1)];
                   }
                }
             }
             ro[WS(os, 3)] = T3 + Ta;
             ro[0] = Tb + Te;
             {
                E Tf, Tv, Tl, Ty, Tr;
                Tf = FNMS(KP500000000, Ta, T3);
                Tv = Tj + Tk;
                Tl = Tj - Tk;
                {
                   E Tt, Tw, Tq, Tm;
                   Tt = FNMS(KP500000000, Te, Tb);
                   Ty = Tu + Tv;
                   Tw = Tu - Tv;
                   Tq = Ti + Tl;
                   Tm = Ti - Tl;
                   io[0] = Tx + Ty;
                   ro[WS(os, 1)] = FMA(KP866025403, Tm, Tf);
                   ro[WS(os, 5)] = FNMS(KP866025403, Tm, Tf);
                   Tr = FNMS(KP500000000, Tq, Tp);
                   io[WS(os, 3)] = Tp + Tq;
                   ro[WS(os, 2)] = FNMS(KP866025403, Tw, Tt);
                   ro[WS(os, 4)] = FMA(KP866025403, Tw, Tt);
                }
                io[WS(os, 5)] = FNMS(KP866025403, Ts, Tr);
                io[WS(os, 1)] = FMA(KP866025403, Ts, Tr);
                Tz = FNMS(KP500000000, Ty, Tx);
             }
        }
        io[WS(os, 4)] = FMA(KP866025403, TA, Tz);
        io[WS(os, 2)] = FNMS(KP866025403, TA, Tz);
     }
}

static const kdft_desc desc = { 6, "n1_6", {24, 0, 12, 0}, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1_6) (planner *p) {
     X(kdft_register) (p, n1_6, &desc);
}

#else                   /* HAVE_FMA */

/* Generated by: ../../../genfft/gen_notw -compact -variables 4 -pipeline-latency 4 -n 6 -name n1_6 -include n.h */

/*
 * This function contains 36 FP additions, 8 FP multiplications,
 * (or, 32 additions, 4 multiplications, 4 fused multiply/add),
 * 23 stack variables, and 24 memory accesses
 */
/*
 * Generator Id's : 
 * $Id: algsimp.ml,v 1.9 2006-02-12 23:34:12 athena Exp $
 * $Id: fft.ml,v 1.4 2006-01-05 03:04:27 stevenj Exp $
 * $Id: gen_notw.ml,v 1.30 2006-02-12 23:34:12 athena Exp $
 */

#include "n.h"

static void n1_6(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
     INT i;
     for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(is), MAKE_VOLATILE_STRIDE(os)) {
        E T3, Tb, Tq, Tx, T6, Tc, T9, Td, Ta, Te, Ti, Tu, Tl, Tv, Tr;
        E Ty;
        {
             E T1, T2, To, Tp;
             T1 = ri[0];
             T2 = ri[WS(is, 3)];
             T3 = T1 - T2;
             Tb = T1 + T2;
             To = ii[0];
             Tp = ii[WS(is, 3)];
             Tq = To - Tp;
             Tx = To + Tp;
        }
        {
             E T4, T5, T7, T8;
             T4 = ri[WS(is, 2)];
             T5 = ri[WS(is, 5)];
             T6 = T4 - T5;
             Tc = T4 + T5;
             T7 = ri[WS(is, 4)];
             T8 = ri[WS(is, 1)];
             T9 = T7 - T8;
             Td = T7 + T8;
        }
        Ta = T6 + T9;
        Te = Tc + Td;
        {
             E Tg, Th, Tj, Tk;
             Tg = ii[WS(is, 2)];
             Th = ii[WS(is, 5)];
             Ti = Tg - Th;
             Tu = Tg + Th;
             Tj = ii[WS(is, 4)];
             Tk = ii[WS(is, 1)];
             Tl = Tj - Tk;
             Tv = Tj + Tk;
        }
        Tr = Ti + Tl;
        Ty = Tu + Tv;
        ro[WS(os, 3)] = T3 + Ta;
        io[WS(os, 3)] = Tq + Tr;
        ro[0] = Tb + Te;
        io[0] = Tx + Ty;
        {
             E Tf, Tm, Tn, Ts;
             Tf = FNMS(KP500000000, Ta, T3);
             Tm = KP866025403 * (Ti - Tl);
             ro[WS(os, 5)] = Tf - Tm;
             ro[WS(os, 1)] = Tf + Tm;
             Tn = KP866025403 * (T9 - T6);
             Ts = FNMS(KP500000000, Tr, Tq);
             io[WS(os, 1)] = Tn + Ts;
             io[WS(os, 5)] = Ts - Tn;
        }
        {
             E Tt, Tw, Tz, TA;
             Tt = FNMS(KP500000000, Te, Tb);
             Tw = KP866025403 * (Tu - Tv);
             ro[WS(os, 2)] = Tt - Tw;
             ro[WS(os, 4)] = Tt + Tw;
             Tz = FNMS(KP500000000, Ty, Tx);
             TA = KP866025403 * (Td - Tc);
             io[WS(os, 2)] = Tz - TA;
             io[WS(os, 4)] = TA + Tz;
        }
     }
}

static const kdft_desc desc = { 6, "n1_6", {32, 4, 4, 0}, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1_6) (planner *p) {
     X(kdft_register) (p, n1_6, &desc);
}

#endif                        /* HAVE_FMA */

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