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hb_15.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 22:11:36 EDT 2003 */

#include "codelet-rdft.h"

/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 15 -dif -name hb_15 -include hb.h */

/*
 * This function contains 184 FP additions, 112 FP multiplications,
 * (or, 128 additions, 56 multiplications, 56 fused multiply/add),
 * 75 stack variables, and 60 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_hc2hc.ml,v 1.9 2003/04/17 19:25:50 athena Exp $
 */

#include "hb.h"

static const R *hb_15(R *rio, R *iio, const R *W, stride ios, int m, int dist)
{
     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
     DK(KP587785252, +0.587785252292473129168705954639072768597652438);
     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
     int i;
     for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 28) {
        E T5, T2N, TV, T25, T1v, T2o, T2W, T38, T37, T2X, T2Q, T2T, T2U, Tg, Tr;
        E Ts, Ty, TD, TE, T2c, T2d, T2m, TJ, TO, TP, T1Y, T1Z, T20, T1e, T1j;
        E T1p, T13, T18, T1o, T29, T2a, T2l, T21, T22, T23;
        {
             E T1, T1r, T4, T1u, TU, T1s, TR, T1t;
             T1 = rio[0];
             T1r = iio[0];
             {
                E T2, T3, TS, TT;
                T2 = rio[WS(ios, 5)];
                T3 = iio[-WS(ios, 10)];
                T4 = T2 + T3;
                T1u = KP866025403 * (T2 - T3);
                TS = rio[WS(ios, 10)];
                TT = iio[-WS(ios, 5)];
                TU = KP866025403 * (TS + TT);
                T1s = TS - TT;
             }
             T5 = T1 + T4;
             T2N = T1r - T1s;
             TR = FNMS(KP500000000, T4, T1);
             TV = TR + TU;
             T25 = TR - TU;
             T1t = FMA(KP500000000, T1s, T1r);
             T1v = T1t - T1u;
             T2o = T1u + T1t;
        }
        {
             E Ta, T12, Tu, Tx, T2O, T11, Tf, T14, Tz, TC, T2P, T17, Tl, T1d, TF;
             E TI, T2R, T1c, Tq, T1i, TK, TN, T2S, T1h;
             {
                E T6, T7, T8, T9;
                T6 = rio[WS(ios, 3)];
                T7 = iio[-WS(ios, 8)];
                T8 = iio[-WS(ios, 13)];
                T9 = T7 + T8;
                Ta = T6 + T9;
                T12 = KP866025403 * (T7 - T8);
                Tu = FNMS(KP500000000, T9, T6);
             }
             {
                E TZ, Tv, Tw, T10;
                TZ = iio[-WS(ios, 3)];
                Tv = rio[WS(ios, 8)];
                Tw = rio[WS(ios, 13)];
                T10 = Tv + Tw;
                Tx = KP866025403 * (Tv - Tw);
                T2O = TZ - T10;
                T11 = FMA(KP500000000, T10, TZ);
             }
             {
                E Tb, Tc, Td, Te;
                Tb = iio[-WS(ios, 12)];
                Tc = rio[WS(ios, 2)];
                Td = rio[WS(ios, 7)];
                Te = Tc + Td;
                Tf = Tb + Te;
                T14 = KP866025403 * (Tc - Td);
                Tz = FNMS(KP500000000, Te, Tb);
             }
             {
                E T15, TA, TB, T16;
                T15 = rio[WS(ios, 12)];
                TA = iio[-WS(ios, 7)];
                TB = iio[-WS(ios, 2)];
                T16 = TB + TA;
                TC = KP866025403 * (TA - TB);
                T2P = T16 - T15;
                T17 = FMA(KP500000000, T16, T15);
             }
             {
                E Th, Ti, Tj, Tk;
                Th = rio[WS(ios, 6)];
                Ti = iio[-WS(ios, 11)];
                Tj = rio[WS(ios, 1)];
                Tk = Ti + Tj;
                Tl = Th + Tk;
                T1d = KP866025403 * (Ti - Tj);
                TF = FNMS(KP500000000, Tk, Th);
             }
             {
                E T1a, TG, TH, T1b;
                T1a = iio[-WS(ios, 6)];
                TG = rio[WS(ios, 11)];
                TH = iio[-WS(ios, 1)];
                T1b = TG - TH;
                TI = KP866025403 * (TG + TH);
                T2R = T1a - T1b;
                T1c = FMA(KP500000000, T1b, T1a);
             }
             {
                E Tm, Tn, To, Tp;
                Tm = iio[-WS(ios, 9)];
                Tn = iio[-WS(ios, 14)];
                To = rio[WS(ios, 4)];
                Tp = Tn + To;
                Tq = Tm + Tp;
                T1i = KP866025403 * (Tn - To);
                TK = FNMS(KP500000000, Tp, Tm);
             }
             {
                E T1g, TL, TM, T1f;
                T1g = rio[WS(ios, 9)];
                TL = rio[WS(ios, 14)];
                TM = iio[-WS(ios, 4)];
                T1f = TL - TM;
                TN = KP866025403 * (TL + TM);
                T2S = T1f + T1g;
                T1h = FMS(KP500000000, T1f, T1g);
             }
             T2W = Ta - Tf;
             T38 = T2R + T2S;
             T37 = T2O - T2P;
             T2X = Tl - Tq;
             T2Q = T2O + T2P;
             T2T = T2R - T2S;
             T2U = T2Q + T2T;
             Tg = Ta + Tf;
             Tr = Tl + Tq;
             Ts = Tg + Tr;
             Ty = Tu - Tx;
             TD = Tz - TC;
             TE = Ty + TD;
             T2c = T1d + T1c;
             T2d = T1i + T1h;
             T2m = T2c + T2d;
             TJ = TF - TI;
             TO = TK - TN;
             TP = TJ + TO;
             T1Y = Tu + Tx;
             T1Z = Tz + TC;
             T20 = T1Y + T1Z;
             T1e = T1c - T1d;
             T1j = T1h - T1i;
             T1p = T1e + T1j;
             T13 = T11 - T12;
             T18 = T14 + T17;
             T1o = T13 - T18;
             T29 = T12 + T11;
             T2a = T14 - T17;
             T2l = T29 + T2a;
             T21 = TF + TI;
             T22 = TK + TN;
             T23 = T21 + T22;
        }
        rio[0] = T5 + Ts;
        {
             E T1l, T1J, T1B, T1M, TY, T1U, T1I, T1y, T1W, T1N, T1T, T1V;
             {
                E T19, T1k, T1z, T1A;
                T19 = T13 + T18;
                T1k = T1e - T1j;
                T1l = FMA(KP951056516, T19, KP587785252 * T1k);
                T1J = FNMS(KP951056516, T1k, KP587785252 * T19);
                T1z = Ty - TD;
                T1A = TJ - TO;
                T1B = FMA(KP951056516, T1z, KP587785252 * T1A);
                T1M = FNMS(KP951056516, T1A, KP587785252 * T1z);
             }
             {
                E TQ, TW, TX, T1q, T1w, T1x;
                TQ = KP559016994 * (TE - TP);
                TW = TE + TP;
                TX = FNMS(KP250000000, TW, TV);
                TY = TQ + TX;
                T1U = TV + TW;
                T1I = TX - TQ;
                T1q = KP559016994 * (T1o - T1p);
                T1w = T1o + T1p;
                T1x = FNMS(KP250000000, T1w, T1v);
                T1y = T1q + T1x;
                T1W = T1v + T1w;
                T1N = T1x - T1q;
             }
             T1T = W[8];
             T1V = W[9];
             rio[WS(ios, 5)] = FNMS(T1V, T1W, T1T * T1U);
             iio[-WS(ios, 9)] = FMA(T1V, T1U, T1T * T1W);
             {
                E T1Q, T1S, T1P, T1R;
                T1Q = T1I + T1J;
                T1S = T1N - T1M;
                T1P = W[14];
                T1R = W[15];
                rio[WS(ios, 8)] = FNMS(T1R, T1S, T1P * T1Q);
                iio[-WS(ios, 6)] = FMA(T1R, T1Q, T1P * T1S);
             }
             {
                E T1m, T1C, Tt, T1n;
                T1m = TY + T1l;
                T1C = T1y - T1B;
                Tt = W[26];
                T1n = W[27];
                rio[WS(ios, 14)] = FNMS(T1n, T1C, Tt * T1m);
                iio[0] = FMA(T1n, T1m, Tt * T1C);
             }
             {
                E T1E, T1G, T1D, T1F;
                T1E = TY - T1l;
                T1G = T1B + T1y;
                T1D = W[20];
                T1F = W[21];
                rio[WS(ios, 11)] = FNMS(T1F, T1G, T1D * T1E);
                iio[-WS(ios, 3)] = FMA(T1F, T1E, T1D * T1G);
             }
             {
                E T1K, T1O, T1H, T1L;
                T1K = T1I - T1J;
                T1O = T1M + T1N;
                T1H = W[2];
                T1L = W[3];
                rio[WS(ios, 2)] = FNMS(T1L, T1O, T1H * T1K);
                iio[-WS(ios, 12)] = FMA(T1L, T1K, T1H * T1O);
             }
        }
        iio[-WS(ios, 14)] = T2N + T2U;
        {
             E T2Y, T39, T3k, T3h, T36, T3g, T31, T3l;
             T2Y = FNMS(KP951056516, T2X, KP587785252 * T2W);
             T39 = FNMS(KP951056516, T38, KP587785252 * T37);
             T3k = FMA(KP951056516, T2W, KP587785252 * T2X);
             T3h = FMA(KP951056516, T37, KP587785252 * T38);
             {
                E T34, T35, T2Z, T30;
                T34 = FNMS(KP250000000, Ts, T5);
                T35 = KP559016994 * (Tg - Tr);
                T36 = T34 - T35;
                T3g = T35 + T34;
                T2Z = FNMS(KP250000000, T2U, T2N);
                T30 = KP559016994 * (T2Q - T2T);
                T31 = T2Z - T30;
                T3l = T30 + T2Z;
             }
             {
                E T32, T3a, T2V, T33;
                T32 = T2Y + T31;
                T3a = T36 - T39;
                T2V = W[22];
                T33 = W[23];
                iio[-WS(ios, 2)] = FMA(T2V, T32, T33 * T3a);
                rio[WS(ios, 12)] = FNMS(T33, T32, T2V * T3a);
             }
             {
                E T3o, T3q, T3n, T3p;
                T3o = T3l - T3k;
                T3q = T3g + T3h;
                T3n = W[16];
                T3p = W[17];
                iio[-WS(ios, 5)] = FMA(T3n, T3o, T3p * T3q);
                rio[WS(ios, 9)] = FNMS(T3p, T3o, T3n * T3q);
             }
             {
                E T3c, T3e, T3b, T3d;
                T3c = T36 + T39;
                T3e = T31 - T2Y;
                T3b = W[4];
                T3d = W[5];
                rio[WS(ios, 3)] = FNMS(T3d, T3e, T3b * T3c);
                iio[-WS(ios, 11)] = FMA(T3b, T3e, T3d * T3c);
             }
             {
                E T3i, T3m, T3f, T3j;
                T3i = T3g - T3h;
                T3m = T3k + T3l;
                T3f = W[10];
                T3j = W[11];
                rio[WS(ios, 6)] = FNMS(T3j, T3m, T3f * T3i);
                iio[-WS(ios, 8)] = FMA(T3f, T3m, T3j * T3i);
             }
        }
        {
             E T2f, T2z, T2k, T2D, T28, T2K, T2y, T2r, T2M, T2C, T2J, T2L;
             {
                E T2b, T2e, T2i, T2j;
                T2b = T29 - T2a;
                T2e = T2c - T2d;
                T2f = FMA(KP951056516, T2b, KP587785252 * T2e);
                T2z = FNMS(KP951056516, T2e, KP587785252 * T2b);
                T2i = T1Y - T1Z;
                T2j = T21 - T22;
                T2k = FMA(KP951056516, T2i, KP587785252 * T2j);
                T2D = FNMS(KP951056516, T2j, KP587785252 * T2i);
             }
             {
                E T24, T26, T27, T2n, T2p, T2q;
                T24 = KP559016994 * (T20 - T23);
                T26 = T20 + T23;
                T27 = FNMS(KP250000000, T26, T25);
                T28 = T24 + T27;
                T2K = T25 + T26;
                T2y = T27 - T24;
                T2n = KP559016994 * (T2l - T2m);
                T2p = T2l + T2m;
                T2q = FNMS(KP250000000, T2p, T2o);
                T2r = T2n + T2q;
                T2M = T2o + T2p;
                T2C = T2q - T2n;
             }
             T2J = W[18];
             T2L = W[19];
             rio[WS(ios, 10)] = FNMS(T2L, T2M, T2J * T2K);
             iio[-WS(ios, 4)] = FMA(T2L, T2K, T2J * T2M);
             {
                E T2u, T2w, T2t, T2v;
                T2u = T28 + T2f;
                T2w = T2r - T2k;
                T2t = W[6];
                T2v = W[7];
                rio[WS(ios, 4)] = FNMS(T2v, T2w, T2t * T2u);
                iio[-WS(ios, 10)] = FMA(T2v, T2u, T2t * T2w);
             }
             {
                E T2g, T2s, T1X, T2h;
                T2g = T28 - T2f;
                T2s = T2k + T2r;
                T1X = W[0];
                T2h = W[1];
                rio[WS(ios, 1)] = FNMS(T2h, T2s, T1X * T2g);
                iio[-WS(ios, 13)] = FMA(T2h, T2g, T1X * T2s);
             }
             {
                E T2A, T2E, T2x, T2B;
                T2A = T2y + T2z;
                T2E = T2C - T2D;
                T2x = W[24];
                T2B = W[25];
                rio[WS(ios, 13)] = FNMS(T2B, T2E, T2x * T2A);
                iio[-WS(ios, 1)] = FMA(T2B, T2A, T2x * T2E);
             }
             {
                E T2G, T2I, T2F, T2H;
                T2G = T2y - T2z;
                T2I = T2D + T2C;
                T2F = W[12];
                T2H = W[13];
                rio[WS(ios, 7)] = FNMS(T2H, T2I, T2F * T2G);
                iio[-WS(ios, 7)] = FMA(T2H, T2G, T2F * T2I);
             }
        }
     }
     return W;
}

static const tw_instr twinstr[] = {
     {TW_FULL, 0, 15},
     {TW_NEXT, 1, 0}
};

static const hc2hc_desc desc = { 15, "hb_15", twinstr, {128, 56, 56, 0}, &GENUS, 0, 0, 0 };

void X(codelet_hb_15) (planner *p) {
     X(khc2hc_dif_register) (p, hb_15, &desc);
}

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