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mr2hc_32.c

/*
 * Copyright (c) 2003 Matteo Frigo
 * Copyright (c) 2003 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  5 21:56:45 EDT 2003 */

#include "codelet-rdft.h"

/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc_noinline -compact -variables 4 -n 32 -name mr2hc_32 -include r2hc.h */

/*
 * This function contains 156 FP additions, 42 FP multiplications,
 * (or, 140 additions, 26 multiplications, 16 fused multiply/add),
 * 53 stack variables, and 64 memory accesses
 */
/*
 * Generator Id's : 
 * $Id: algsimp.ml,v 1.7 2003/03/15 20:29:42 stevenj Exp $
 * $Id: fft.ml,v 1.2 2003/03/15 20:29:42 stevenj Exp $
 * $Id: gen_r2hc_noinline.ml,v 1.1 2003/04/17 19:25:50 athena Exp $
 */

#include "r2hc.h"

static void mr2hc_32_0(const R *I, R *ro, R *io, stride is, stride ros, stride ios)
{
     DK(KP555570233, +0.555570233019602224742830813948532874374937191);
     DK(KP831469612, +0.831469612302545237078788377617905756738560812);
     DK(KP195090322, +0.195090322016128267848284868477022240927691618);
     DK(KP980785280, +0.980785280403230449126182236134239036973933731);
     DK(KP382683432, +0.382683432365089771728459984030398866761344562);
     DK(KP923879532, +0.923879532511286756128183189396788286822416626);
     DK(KP707106781, +0.707106781186547524400844362104849039284835938);
     {
        E T7, T2b, Tv, T1l, Te, T2o, Ty, T1k, Tt, T2d, TF, T1h, Tm, T2c, TC;
        E T1i, T1Z, T22, T2k, T2j, T1e, T1C, T19, T1B, T1S, T1V, T2h, T2g, TX, T1z;
        E TS, T1y;
        {
             E T1, T2, T3, T4, T5, T6;
             T1 = I[0];
             T2 = I[WS(is, 16)];
             T3 = T1 + T2;
             T4 = I[WS(is, 8)];
             T5 = I[WS(is, 24)];
             T6 = T4 + T5;
             T7 = T3 + T6;
             T2b = T3 - T6;
             Tv = T1 - T2;
             T1l = T4 - T5;
        }
        {
             E Ta, Tw, Td, Tx;
             {
                E T8, T9, Tb, Tc;
                T8 = I[WS(is, 4)];
                T9 = I[WS(is, 20)];
                Ta = T8 + T9;
                Tw = T8 - T9;
                Tb = I[WS(is, 28)];
                Tc = I[WS(is, 12)];
                Td = Tb + Tc;
                Tx = Tb - Tc;
             }
             Te = Ta + Td;
             T2o = Td - Ta;
             Ty = KP707106781 * (Tw + Tx);
             T1k = KP707106781 * (Tx - Tw);
        }
        {
             E Tp, TD, Ts, TE;
             {
                E Tn, To, Tq, Tr;
                Tn = I[WS(is, 30)];
                To = I[WS(is, 14)];
                Tp = Tn + To;
                TD = Tn - To;
                Tq = I[WS(is, 6)];
                Tr = I[WS(is, 22)];
                Ts = Tq + Tr;
                TE = Tq - Tr;
             }
             Tt = Tp + Ts;
             T2d = Tp - Ts;
             TF = FMA(KP923879532, TD, KP382683432 * TE);
             T1h = FNMS(KP923879532, TE, KP382683432 * TD);
        }
        {
             E Ti, TA, Tl, TB;
             {
                E Tg, Th, Tj, Tk;
                Tg = I[WS(is, 2)];
                Th = I[WS(is, 18)];
                Ti = Tg + Th;
                TA = Tg - Th;
                Tj = I[WS(is, 10)];
                Tk = I[WS(is, 26)];
                Tl = Tj + Tk;
                TB = Tj - Tk;
             }
             Tm = Ti + Tl;
             T2c = Ti - Tl;
             TC = FNMS(KP382683432, TB, KP923879532 * TA);
             T1i = FMA(KP382683432, TA, KP923879532 * TB);
        }
        {
             E T11, T1X, T1d, T1Y, T14, T20, T17, T21, T1a, T18;
             {
                E TZ, T10, T1b, T1c;
                TZ = I[WS(is, 31)];
                T10 = I[WS(is, 15)];
                T11 = TZ - T10;
                T1X = TZ + T10;
                T1b = I[WS(is, 7)];
                T1c = I[WS(is, 23)];
                T1d = T1b - T1c;
                T1Y = T1b + T1c;
             }
             {
                E T12, T13, T15, T16;
                T12 = I[WS(is, 3)];
                T13 = I[WS(is, 19)];
                T14 = T12 - T13;
                T20 = T12 + T13;
                T15 = I[WS(is, 27)];
                T16 = I[WS(is, 11)];
                T17 = T15 - T16;
                T21 = T15 + T16;
             }
             T1Z = T1X + T1Y;
             T22 = T20 + T21;
             T2k = T21 - T20;
             T2j = T1X - T1Y;
             T1a = KP707106781 * (T17 - T14);
             T1e = T1a - T1d;
             T1C = T1d + T1a;
             T18 = KP707106781 * (T14 + T17);
             T19 = T11 + T18;
             T1B = T11 - T18;
        }
        {
             E TK, T1Q, TW, T1R, TN, T1T, TQ, T1U, TT, TR;
             {
                E TI, TJ, TU, TV;
                TI = I[WS(is, 1)];
                TJ = I[WS(is, 17)];
                TK = TI - TJ;
                T1Q = TI + TJ;
                TU = I[WS(is, 9)];
                TV = I[WS(is, 25)];
                TW = TU - TV;
                T1R = TU + TV;
             }
             {
                E TL, TM, TO, TP;
                TL = I[WS(is, 5)];
                TM = I[WS(is, 21)];
                TN = TL - TM;
                T1T = TL + TM;
                TO = I[WS(is, 29)];
                TP = I[WS(is, 13)];
                TQ = TO - TP;
                T1U = TO + TP;
             }
             T1S = T1Q + T1R;
             T1V = T1T + T1U;
             T2h = T1U - T1T;
             T2g = T1Q - T1R;
             TT = KP707106781 * (TQ - TN);
             TX = TT - TW;
             T1z = TW + TT;
             TR = KP707106781 * (TN + TQ);
             TS = TK + TR;
             T1y = TK - TR;
        }
        {
             E Tf, Tu, T27, T28, T29, T2a;
             Tf = T7 + Te;
             Tu = Tm + Tt;
             T27 = Tf + Tu;
             T28 = T1S + T1V;
             T29 = T1Z + T22;
             T2a = T28 + T29;
             ro[WS(ros, 8)] = Tf - Tu;
             io[WS(ios, 8)] = T29 - T28;
             ro[WS(ros, 16)] = T27 - T2a;
             ro[0] = T27 + T2a;
        }
        {
             E T1P, T25, T24, T26, T1W, T23;
             T1P = T7 - Te;
             T25 = Tt - Tm;
             T1W = T1S - T1V;
             T23 = T1Z - T22;
             T24 = KP707106781 * (T1W + T23);
             T26 = KP707106781 * (T23 - T1W);
             ro[WS(ros, 12)] = T1P - T24;
             io[WS(ios, 12)] = T26 - T25;
             ro[WS(ros, 4)] = T1P + T24;
             io[WS(ios, 4)] = T25 + T26;
        }
        {
             E T2f, T2v, T2p, T2r, T2m, T2q, T2u, T2w, T2e, T2n;
             T2e = KP707106781 * (T2c + T2d);
             T2f = T2b + T2e;
             T2v = T2b - T2e;
             T2n = KP707106781 * (T2d - T2c);
             T2p = T2n - T2o;
             T2r = T2o + T2n;
             {
                E T2i, T2l, T2s, T2t;
                T2i = FMA(KP923879532, T2g, KP382683432 * T2h);
                T2l = FNMS(KP382683432, T2k, KP923879532 * T2j);
                T2m = T2i + T2l;
                T2q = T2l - T2i;
                T2s = FNMS(KP382683432, T2g, KP923879532 * T2h);
                T2t = FMA(KP382683432, T2j, KP923879532 * T2k);
                T2u = T2s + T2t;
                T2w = T2t - T2s;
             }
             ro[WS(ros, 14)] = T2f - T2m;
             io[WS(ios, 14)] = T2u - T2r;
             ro[WS(ros, 2)] = T2f + T2m;
             io[WS(ios, 2)] = T2r + T2u;
             io[WS(ios, 6)] = T2p + T2q;
             ro[WS(ros, 6)] = T2v + T2w;
             io[WS(ios, 10)] = T2q - T2p;
             ro[WS(ros, 10)] = T2v - T2w;
        }
        {
             E TH, T1t, T1s, T1u, T1g, T1o, T1n, T1p;
             {
                E Tz, TG, T1q, T1r;
                Tz = Tv + Ty;
                TG = TC + TF;
                TH = Tz + TG;
                T1t = Tz - TG;
                T1q = FNMS(KP195090322, TS, KP980785280 * TX);
                T1r = FMA(KP195090322, T19, KP980785280 * T1e);
                T1s = T1q + T1r;
                T1u = T1r - T1q;
             }
             {
                E TY, T1f, T1j, T1m;
                TY = FMA(KP980785280, TS, KP195090322 * TX);
                T1f = FNMS(KP195090322, T1e, KP980785280 * T19);
                T1g = TY + T1f;
                T1o = T1f - TY;
                T1j = T1h - T1i;
                T1m = T1k - T1l;
                T1n = T1j - T1m;
                T1p = T1m + T1j;
             }
             ro[WS(ros, 15)] = TH - T1g;
             io[WS(ios, 15)] = T1s - T1p;
             ro[WS(ros, 1)] = TH + T1g;
             io[WS(ios, 1)] = T1p + T1s;
             io[WS(ios, 7)] = T1n + T1o;
             ro[WS(ros, 7)] = T1t + T1u;
             io[WS(ios, 9)] = T1o - T1n;
             ro[WS(ros, 9)] = T1t - T1u;
        }
        {
             E T1x, T1N, T1M, T1O, T1E, T1I, T1H, T1J;
             {
                E T1v, T1w, T1K, T1L;
                T1v = Tv - Ty;
                T1w = T1i + T1h;
                T1x = T1v + T1w;
                T1N = T1v - T1w;
                T1K = FNMS(KP555570233, T1y, KP831469612 * T1z);
                T1L = FMA(KP555570233, T1B, KP831469612 * T1C);
                T1M = T1K + T1L;
                T1O = T1L - T1K;
             }
             {
                E T1A, T1D, T1F, T1G;
                T1A = FMA(KP831469612, T1y, KP555570233 * T1z);
                T1D = FNMS(KP555570233, T1C, KP831469612 * T1B);
                T1E = T1A + T1D;
                T1I = T1D - T1A;
                T1F = TF - TC;
                T1G = T1l + T1k;
                T1H = T1F - T1G;
                T1J = T1G + T1F;
             }
             ro[WS(ros, 13)] = T1x - T1E;
             io[WS(ios, 13)] = T1M - T1J;
             ro[WS(ros, 3)] = T1x + T1E;
             io[WS(ios, 3)] = T1J + T1M;
             io[WS(ios, 5)] = T1H + T1I;
             ro[WS(ros, 5)] = T1N + T1O;
             io[WS(ios, 11)] = T1I - T1H;
             ro[WS(ros, 11)] = T1N - T1O;
        }
     }
}

static void mr2hc_32(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs)
{
     int i;
     for (i = v; i > 0; --i) {
        mr2hc_32_0(I, ro, io, is, ros, ios);
        I += ivs;
        ro += ovs;
        io += ovs;
     }
}

static const kr2hc_desc desc = { 32, "mr2hc_32", {140, 26, 16, 0}, &GENUS, 0, 0, 0, 0, 0 };

void X(codelet_mr2hc_32) (planner *p) {
     X(kr2hc_register) (p, mr2hc_32, &desc);
}

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