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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 22:11:11 EDT 2003 */
#include "codelet-rdft.h"
/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 12 -name hc2r_12 -include hc2r.h */
/*
* This function contains 38 FP additions, 10 FP multiplications,
* (or, 34 additions, 6 multiplications, 4 fused multiply/add),
* 25 stack variables, and 24 memory accesses
*/
/*
* Generator Id's :
* $Id: hc2r_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
* $Id: hc2r_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
* $Id: hc2r_12.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
*/
#include "hc2r.h"
static void hc2r_12(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs)
{
DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
int i;
for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) {
E T8, Tb, Tm, TA, Tw, Tx, Tp, TB, T3, Tr, Tg, T6, Ts, Tk;
{
E T9, Ta, Tn, To;
T8 = ri[WS(ris, 3)];
T9 = ri[WS(ris, 5)];
Ta = ri[WS(ris, 1)];
Tb = T9 + Ta;
Tm = FMS(KP2_000000000, T8, Tb);
TA = KP1_732050807 * (T9 - Ta);
Tw = ii[WS(iis, 3)];
Tn = ii[WS(iis, 5)];
To = ii[WS(iis, 1)];
Tx = Tn + To;
Tp = KP1_732050807 * (Tn - To);
TB = FMA(KP2_000000000, Tw, Tx);
}
{
E Tf, T1, T2, Td, Te;
Te = ii[WS(iis, 4)];
Tf = KP1_732050807 * Te;
T1 = ri[0];
T2 = ri[WS(ris, 4)];
Td = T1 - T2;
T3 = FMA(KP2_000000000, T2, T1);
Tr = Td - Tf;
Tg = Td + Tf;
}
{
E Tj, T4, T5, Th, Ti;
Ti = ii[WS(iis, 2)];
Tj = KP1_732050807 * Ti;
T4 = ri[WS(ris, 6)];
T5 = ri[WS(ris, 2)];
Th = T4 - T5;
T6 = FMA(KP2_000000000, T5, T4);
Ts = Th + Tj;
Tk = Th - Tj;
}
{
E T7, Tc, Tz, TC;
T7 = T3 + T6;
Tc = KP2_000000000 * (T8 + Tb);
O[WS(os, 6)] = T7 - Tc;
O[0] = T7 + Tc;
{
E Tl, Tq, TD, TE;
Tl = Tg + Tk;
Tq = Tm - Tp;
O[WS(os, 2)] = Tl - Tq;
O[WS(os, 8)] = Tl + Tq;
TD = Tg - Tk;
TE = TB - TA;
O[WS(os, 5)] = TD - TE;
O[WS(os, 11)] = TD + TE;
}
Tz = Tr - Ts;
TC = TA + TB;
O[WS(os, 1)] = Tz - TC;
O[WS(os, 7)] = Tz + TC;
{
E Tv, Ty, Tt, Tu;
Tv = T3 - T6;
Ty = KP2_000000000 * (Tw - Tx);
O[WS(os, 9)] = Tv - Ty;
O[WS(os, 3)] = Tv + Ty;
Tt = Tr + Ts;
Tu = Tm + Tp;
O[WS(os, 10)] = Tt - Tu;
O[WS(os, 4)] = Tt + Tu;
}
}
}
}
static const khc2r_desc desc = { 12, "hc2r_12", {34, 6, 4, 0}, &GENUS, 0, 0, 0, 0, 0 };
void X(codelet_hc2r_12) (planner *p) {
X(khc2r_register) (p, hc2r_12, &desc);
}
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