/*
* 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 21:30:07 EDT 2003 */
#include "codelet-dft.h"
/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twiddle -compact -variables 4 -n 16 -name t1_16 -include t.h */
/*
* This function contains 174 FP additions, 84 FP multiplications,
* (or, 136 additions, 46 multiplications, 38 fused multiply/add),
* 52 stack variables, and 64 memory accesses
*/
/*
* Generator Id's :
* $Id: t1_16.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
* $Id: t1_16.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
* $Id: t1_16.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
*/
#include "t.h"
static const R *t1_16(R *ri, R *ii, const R *W, stride ios, int m, int dist)
{
DK(KP382683432, +0.382683432365089771728459984030398866761344562);
DK(KP923879532, +0.923879532511286756128183189396788286822416626);
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
int i;
for (i = m; i > 0; i = i - 1, ri = ri + dist, ii = ii + dist, W = W + 30) {
E T7, T37, T1t, T2U, Ti, T38, T1w, T2R, Tu, T2s, T1C, T2c, TF, T2t, T1H;
E T2d, T1f, T1q, T2B, T2C, T2D, T2E, T1Z, T2j, T24, T2k, TS, T13, T2w, T2x;
E T2y, T2z, T1O, T2g, T1T, T2h;
{
E T1, T2T, T6, T2S;
T1 = ri[0];
T2T = ii[0];
{
E T3, T5, T2, T4;
T3 = ri[WS(ios, 8)];
T5 = ii[WS(ios, 8)];
T2 = W[14];
T4 = W[15];
T6 = FMA(T2, T3, T4 * T5);
T2S = FNMS(T4, T3, T2 * T5);
}
T7 = T1 + T6;
T37 = T2T - T2S;
T1t = T1 - T6;
T2U = T2S + T2T;
}
{
E Tc, T1u, Th, T1v;
{
E T9, Tb, T8, Ta;
T9 = ri[WS(ios, 4)];
Tb = ii[WS(ios, 4)];
T8 = W[6];
Ta = W[7];
Tc = FMA(T8, T9, Ta * Tb);
T1u = FNMS(Ta, T9, T8 * Tb);
}
{
E Te, Tg, Td, Tf;
Te = ri[WS(ios, 12)];
Tg = ii[WS(ios, 12)];
Td = W[22];
Tf = W[23];
Th = FMA(Td, Te, Tf * Tg);
T1v = FNMS(Tf, Te, Td * Tg);
}
Ti = Tc + Th;
T38 = Tc - Th;
T1w = T1u - T1v;
T2R = T1u + T1v;
}
{
E To, T1y, Tt, T1z, T1A, T1B;
{
E Tl, Tn, Tk, Tm;
Tl = ri[WS(ios, 2)];
Tn = ii[WS(ios, 2)];
Tk = W[2];
Tm = W[3];
To = FMA(Tk, Tl, Tm * Tn);
T1y = FNMS(Tm, Tl, Tk * Tn);
}
{
E Tq, Ts, Tp, Tr;
Tq = ri[WS(ios, 10)];
Ts = ii[WS(ios, 10)];
Tp = W[18];
Tr = W[19];
Tt = FMA(Tp, Tq, Tr * Ts);
T1z = FNMS(Tr, Tq, Tp * Ts);
}
Tu = To + Tt;
T2s = T1y + T1z;
T1A = T1y - T1z;
T1B = To - Tt;
T1C = T1A - T1B;
T2c = T1B + T1A;
}
{
E Tz, T1E, TE, T1F, T1D, T1G;
{
E Tw, Ty, Tv, Tx;
Tw = ri[WS(ios, 14)];
Ty = ii[WS(ios, 14)];
Tv = W[26];
Tx = W[27];
Tz = FMA(Tv, Tw, Tx * Ty);
T1E = FNMS(Tx, Tw, Tv * Ty);
}
{
E TB, TD, TA, TC;
TB = ri[WS(ios, 6)];
TD = ii[WS(ios, 6)];
TA = W[10];
TC = W[11];
TE = FMA(TA, TB, TC * TD);
T1F = FNMS(TC, TB, TA * TD);
}
TF = Tz + TE;
T2t = T1E + T1F;
T1D = Tz - TE;
T1G = T1E - T1F;
T1H = T1D + T1G;
T2d = T1D - T1G;
}
{
E T19, T20, T1p, T1X, T1e, T21, T1k, T1W;
{
E T16, T18, T15, T17;
T16 = ri[WS(ios, 15)];
T18 = ii[WS(ios, 15)];
T15 = W[28];
T17 = W[29];
T19 = FMA(T15, T16, T17 * T18);
T20 = FNMS(T17, T16, T15 * T18);
}
{
E T1m, T1o, T1l, T1n;
T1m = ri[WS(ios, 11)];
T1o = ii[WS(ios, 11)];
T1l = W[20];
T1n = W[21];
T1p = FMA(T1l, T1m, T1n * T1o);
T1X = FNMS(T1n, T1m, T1l * T1o);
}
{
E T1b, T1d, T1a, T1c;
T1b = ri[WS(ios, 7)];
T1d = ii[WS(ios, 7)];
T1a = W[12];
T1c = W[13];
T1e = FMA(T1a, T1b, T1c * T1d);
T21 = FNMS(T1c, T1b, T1a * T1d);
}
{
E T1h, T1j, T1g, T1i;
T1h = ri[WS(ios, 3)];
T1j = ii[WS(ios, 3)];
T1g = W[4];
T1i = W[5];
T1k = FMA(T1g, T1h, T1i * T1j);
T1W = FNMS(T1i, T1h, T1g * T1j);
}
T1f = T19 + T1e;
T1q = T1k + T1p;
T2B = T1f - T1q;
T2C = T20 + T21;
T2D = T1W + T1X;
T2E = T2C - T2D;
{
E T1V, T1Y, T22, T23;
T1V = T19 - T1e;
T1Y = T1W - T1X;
T1Z = T1V - T1Y;
T2j = T1V + T1Y;
T22 = T20 - T21;
T23 = T1k - T1p;
T24 = T22 + T23;
T2k = T22 - T23;
}
}
{
E TM, T1K, T12, T1R, TR, T1L, TX, T1Q;
{
E TJ, TL, TI, TK;
TJ = ri[WS(ios, 1)];
TL = ii[WS(ios, 1)];
TI = W[0];
TK = W[1];
TM = FMA(TI, TJ, TK * TL);
T1K = FNMS(TK, TJ, TI * TL);
}
{
E TZ, T11, TY, T10;
TZ = ri[WS(ios, 13)];
T11 = ii[WS(ios, 13)];
TY = W[24];
T10 = W[25];
T12 = FMA(TY, TZ, T10 * T11);
T1R = FNMS(T10, TZ, TY * T11);
}
{
E TO, TQ, TN, TP;
TO = ri[WS(ios, 9)];
TQ = ii[WS(ios, 9)];
TN = W[16];
TP = W[17];
TR = FMA(TN, TO, TP * TQ);
T1L = FNMS(TP, TO, TN * TQ);
}
{
E TU, TW, TT, TV;
TU = ri[WS(ios, 5)];
TW = ii[WS(ios, 5)];
TT = W[8];
TV = W[9];
TX = FMA(TT, TU, TV * TW);
T1Q = FNMS(TV, TU, TT * TW);
}
TS = TM + TR;
T13 = TX + T12;
T2w = TS - T13;
T2x = T1K + T1L;
T2y = T1Q + T1R;
T2z = T2x - T2y;
{
E T1M, T1N, T1P, T1S;
T1M = T1K - T1L;
T1N = TX - T12;
T1O = T1M + T1N;
T2g = T1M - T1N;
T1P = TM - TR;
T1S = T1Q - T1R;
T1T = T1P - T1S;
T2h = T1P + T1S;
}
}
{
E T1J, T27, T3g, T3i, T26, T3h, T2a, T3d;
{
E T1x, T1I, T3e, T3f;
T1x = T1t - T1w;
T1I = KP707106781 * (T1C - T1H);
T1J = T1x + T1I;
T27 = T1x - T1I;
T3e = KP707106781 * (T2d - T2c);
T3f = T38 + T37;
T3g = T3e + T3f;
T3i = T3f - T3e;
}
{
E T1U, T25, T28, T29;
T1U = FMA(KP923879532, T1O, KP382683432 * T1T);
T25 = FNMS(KP923879532, T24, KP382683432 * T1Z);
T26 = T1U + T25;
T3h = T25 - T1U;
T28 = FNMS(KP923879532, T1T, KP382683432 * T1O);
T29 = FMA(KP382683432, T24, KP923879532 * T1Z);
T2a = T28 - T29;
T3d = T28 + T29;
}
ri[WS(ios, 11)] = T1J - T26;
ii[WS(ios, 11)] = T3g - T3d;
ri[WS(ios, 3)] = T1J + T26;
ii[WS(ios, 3)] = T3d + T3g;
ri[WS(ios, 15)] = T27 - T2a;
ii[WS(ios, 15)] = T3i - T3h;
ri[WS(ios, 7)] = T27 + T2a;
ii[WS(ios, 7)] = T3h + T3i;
}
{
E T2v, T2H, T32, T34, T2G, T33, T2K, T2Z;
{
E T2r, T2u, T30, T31;
T2r = T7 - Ti;
T2u = T2s - T2t;
T2v = T2r + T2u;
T2H = T2r - T2u;
T30 = TF - Tu;
T31 = T2U - T2R;
T32 = T30 + T31;
T34 = T31 - T30;
}
{
E T2A, T2F, T2I, T2J;
T2A = T2w + T2z;
T2F = T2B - T2E;
T2G = KP707106781 * (T2A + T2F);
T33 = KP707106781 * (T2F - T2A);
T2I = T2z - T2w;
T2J = T2B + T2E;
T2K = KP707106781 * (T2I - T2J);
T2Z = KP707106781 * (T2I + T2J);
}
ri[WS(ios, 10)] = T2v - T2G;
ii[WS(ios, 10)] = T32 - T2Z;
ri[WS(ios, 2)] = T2v + T2G;
ii[WS(ios, 2)] = T2Z + T32;
ri[WS(ios, 14)] = T2H - T2K;
ii[WS(ios, 14)] = T34 - T33;
ri[WS(ios, 6)] = T2H + T2K;
ii[WS(ios, 6)] = T33 + T34;
}
{
E T2f, T2n, T3a, T3c, T2m, T3b, T2q, T35;
{
E T2b, T2e, T36, T39;
T2b = T1t + T1w;
T2e = KP707106781 * (T2c + T2d);
T2f = T2b + T2e;
T2n = T2b - T2e;
T36 = KP707106781 * (T1C + T1H);
T39 = T37 - T38;
T3a = T36 + T39;
T3c = T39 - T36;
}
{
E T2i, T2l, T2o, T2p;
T2i = FMA(KP382683432, T2g, KP923879532 * T2h);
T2l = FNMS(KP382683432, T2k, KP923879532 * T2j);
T2m = T2i + T2l;
T3b = T2l - T2i;
T2o = FNMS(KP382683432, T2h, KP923879532 * T2g);
T2p = FMA(KP923879532, T2k, KP382683432 * T2j);
T2q = T2o - T2p;
T35 = T2o + T2p;
}
ri[WS(ios, 9)] = T2f - T2m;
ii[WS(ios, 9)] = T3a - T35;
ri[WS(ios, 1)] = T2f + T2m;
ii[WS(ios, 1)] = T35 + T3a;
ri[WS(ios, 13)] = T2n - T2q;
ii[WS(ios, 13)] = T3c - T3b;
ri[WS(ios, 5)] = T2n + T2q;
ii[WS(ios, 5)] = T3b + T3c;
}
{
E TH, T2L, T2W, T2Y, T1s, T2X, T2O, T2P;
{
E Tj, TG, T2Q, T2V;
Tj = T7 + Ti;
TG = Tu + TF;
TH = Tj + TG;
T2L = Tj - TG;
T2Q = T2s + T2t;
T2V = T2R + T2U;
T2W = T2Q + T2V;
T2Y = T2V - T2Q;
}
{
E T14, T1r, T2M, T2N;
T14 = TS + T13;
T1r = T1f + T1q;
T1s = T14 + T1r;
T2X = T1r - T14;
T2M = T2x + T2y;
T2N = T2C + T2D;
T2O = T2M - T2N;
T2P = T2M + T2N;
}
ri[WS(ios, 8)] = TH - T1s;
ii[WS(ios, 8)] = T2W - T2P;
ri[0] = TH + T1s;
ii[0] = T2P + T2W;
ri[WS(ios, 12)] = T2L - T2O;
ii[WS(ios, 12)] = T2Y - T2X;
ri[WS(ios, 4)] = T2L + T2O;
ii[WS(ios, 4)] = T2X + T2Y;
}
}
return W;
}
static const tw_instr twinstr[] = {
{TW_FULL, 0, 16},
{TW_NEXT, 1, 0}
};
static const ct_desc desc = { 16, "t1_16", twinstr, {136, 46, 38, 0}, &GENUS, 0, 0, 0 };
void X(codelet_t1_16) (planner *p) {
X(kdft_dit_register) (p, t1_16, &desc);
}