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/*
* 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 21:29:32 EDT 2003 */
#include "codelet-dft.h"
/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_notw -compact -variables 4 -n 12 -name n1_12 -include n.h */
/*
* This function contains 96 FP additions, 16 FP multiplications,
* (or, 88 additions, 8 multiplications, 8 fused multiply/add),
* 43 stack variables, and 48 memory accesses
*/
/*
* Generator Id's :
* $Id: n1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
* $Id: n1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
* $Id: n1_12.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
*/
#include "n.h"
static void n1_12(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) {
E T5, TR, TA, Ts, TS, Tz, Ta, TU, TD, Tx, TV, TC, Tg, T1a, TG;
E TJ, T1u, T1d, Tl, T1f, TL, TO, T1v, T1i;
{
E T1, T2, T3, T4;
T1 = ri[0];
T2 = ri[WS(is, 4)];
T3 = ri[WS(is, 8)];
T4 = T2 + T3;
T5 = T1 + T4;
TR = FNMS(KP500000000, T4, T1);
TA = KP866025403 * (T3 - T2);
}
{
E To, Tp, Tq, Tr;
To = ii[0];
Tp = ii[WS(is, 4)];
Tq = ii[WS(is, 8)];
Tr = Tp + Tq;
Ts = To + Tr;
TS = KP866025403 * (Tp - Tq);
Tz = FNMS(KP500000000, Tr, To);
}
{
E T6, T7, T8, T9;
T6 = ri[WS(is, 6)];
T7 = ri[WS(is, 10)];
T8 = ri[WS(is, 2)];
T9 = T7 + T8;
Ta = T6 + T9;
TU = FNMS(KP500000000, T9, T6);
TD = KP866025403 * (T8 - T7);
}
{
E Tt, Tu, Tv, Tw;
Tt = ii[WS(is, 6)];
Tu = ii[WS(is, 10)];
Tv = ii[WS(is, 2)];
Tw = Tu + Tv;
Tx = Tt + Tw;
TV = KP866025403 * (Tu - Tv);
TC = FNMS(KP500000000, Tw, Tt);
}
{
E Tc, Td, Te, Tf;
Tc = ri[WS(is, 3)];
Td = ri[WS(is, 7)];
Te = ri[WS(is, 11)];
Tf = Td + Te;
Tg = Tc + Tf;
T1a = KP866025403 * (Te - Td);
TG = FNMS(KP500000000, Tf, Tc);
}
{
E T1b, TH, TI, T1c;
T1b = ii[WS(is, 3)];
TH = ii[WS(is, 7)];
TI = ii[WS(is, 11)];
T1c = TH + TI;
TJ = KP866025403 * (TH - TI);
T1u = T1b + T1c;
T1d = FNMS(KP500000000, T1c, T1b);
}
{
E Th, Ti, Tj, Tk;
Th = ri[WS(is, 9)];
Ti = ri[WS(is, 1)];
Tj = ri[WS(is, 5)];
Tk = Ti + Tj;
Tl = Th + Tk;
T1f = KP866025403 * (Tj - Ti);
TL = FNMS(KP500000000, Tk, Th);
}
{
E T1g, TM, TN, T1h;
T1g = ii[WS(is, 9)];
TM = ii[WS(is, 1)];
TN = ii[WS(is, 5)];
T1h = TM + TN;
TO = KP866025403 * (TM - TN);
T1v = T1g + T1h;
T1i = FNMS(KP500000000, T1h, T1g);
}
{
E Tb, Tm, T1t, T1w;
Tb = T5 + Ta;
Tm = Tg + Tl;
ro[WS(os, 6)] = Tb - Tm;
ro[0] = Tb + Tm;
{
E T1x, T1y, Tn, Ty;
T1x = Ts + Tx;
T1y = T1u + T1v;
io[WS(os, 6)] = T1x - T1y;
io[0] = T1x + T1y;
Tn = Tg - Tl;
Ty = Ts - Tx;
io[WS(os, 3)] = Tn + Ty;
io[WS(os, 9)] = Ty - Tn;
}
T1t = T5 - Ta;
T1w = T1u - T1v;
ro[WS(os, 3)] = T1t - T1w;
ro[WS(os, 9)] = T1t + T1w;
{
E T11, T1l, T1k, T1m, T14, T18, T17, T19;
{
E TZ, T10, T1e, T1j;
TZ = TA + Tz;
T10 = TD + TC;
T11 = TZ - T10;
T1l = TZ + T10;
T1e = T1a + T1d;
T1j = T1f + T1i;
T1k = T1e - T1j;
T1m = T1e + T1j;
}
{
E T12, T13, T15, T16;
T12 = TG + TJ;
T13 = TL + TO;
T14 = T12 - T13;
T18 = T12 + T13;
T15 = TR + TS;
T16 = TU + TV;
T17 = T15 + T16;
T19 = T15 - T16;
}
io[WS(os, 1)] = T11 - T14;
ro[WS(os, 1)] = T19 + T1k;
io[WS(os, 7)] = T11 + T14;
ro[WS(os, 7)] = T19 - T1k;
ro[WS(os, 10)] = T17 - T18;
io[WS(os, 10)] = T1l - T1m;
ro[WS(os, 4)] = T17 + T18;
io[WS(os, 4)] = T1l + T1m;
}
{
E TF, T1r, T1q, T1s, TQ, TY, TX, T1n;
{
E TB, TE, T1o, T1p;
TB = Tz - TA;
TE = TC - TD;
TF = TB - TE;
T1r = TB + TE;
T1o = T1d - T1a;
T1p = T1i - T1f;
T1q = T1o - T1p;
T1s = T1o + T1p;
}
{
E TK, TP, TT, TW;
TK = TG - TJ;
TP = TL - TO;
TQ = TK - TP;
TY = TK + TP;
TT = TR - TS;
TW = TU - TV;
TX = TT + TW;
T1n = TT - TW;
}
io[WS(os, 5)] = TF - TQ;
ro[WS(os, 5)] = T1n + T1q;
io[WS(os, 11)] = TF + TQ;
ro[WS(os, 11)] = T1n - T1q;
ro[WS(os, 2)] = TX - TY;
io[WS(os, 2)] = T1r - T1s;
ro[WS(os, 8)] = TX + TY;
io[WS(os, 8)] = T1r + T1s;
}
}
}
}
static const kdft_desc desc = { 12, "n1_12", {88, 8, 8, 0}, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1_12) (planner *p) {
X(kdft_register) (p, n1_12, &desc);
}
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