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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 22:12:05 EDT 2003 */
#include "codelet-rdft.h"
/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 10 -name hc2rIII_10 -dft-III -include hc2rIII.h */
/*
* This function contains 32 FP additions, 16 FP multiplications,
* (or, 26 additions, 10 multiplications, 6 fused multiply/add),
* 22 stack variables, and 20 memory accesses
*/
/*
* Generator Id's :
* $Id: hc2rIII_10.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
* $Id: hc2rIII_10.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
* $Id: hc2rIII_10.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
*/
#include "hc2rIII.h"
static void hc2rIII_10(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs)
{
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
DK(KP1_902113032, +1.902113032590307144232878666758764286811397268);
DK(KP1_175570504, +1.175570504584946258337411909278145537195304875);
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
DK(KP1_118033988, +1.118033988749894848204586834365638117720309180);
int i;
for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) {
E T1, To, T8, Tq, Ta, Tp, Te, Ts, Th, Tn;
T1 = ri[WS(ris, 2)];
To = ii[WS(iis, 2)];
{
E T2, T3, T4, T5, T6, T7;
T2 = ri[WS(ris, 4)];
T3 = ri[0];
T4 = T2 + T3;
T5 = ri[WS(ris, 3)];
T6 = ri[WS(ris, 1)];
T7 = T5 + T6;
T8 = T4 + T7;
Tq = T5 - T6;
Ta = KP1_118033988 * (T7 - T4);
Tp = T2 - T3;
}
{
E Tc, Td, Tm, Tf, Tg, Tl;
Tc = ii[WS(iis, 4)];
Td = ii[0];
Tm = Tc + Td;
Tf = ii[WS(iis, 1)];
Tg = ii[WS(iis, 3)];
Tl = Tg + Tf;
Te = Tc - Td;
Ts = KP1_118033988 * (Tl + Tm);
Th = Tf - Tg;
Tn = Tl - Tm;
}
O[0] = KP2_000000000 * (T1 + T8);
O[WS(os, 5)] = KP2_000000000 * (Tn - To);
{
E Ti, Tj, Tb, Tk, T9;
Ti = FNMS(KP1_902113032, Th, KP1_175570504 * Te);
Tj = FMA(KP1_175570504, Th, KP1_902113032 * Te);
T9 = FNMS(KP2_000000000, T1, KP500000000 * T8);
Tb = T9 - Ta;
Tk = T9 + Ta;
O[WS(os, 2)] = Tb + Ti;
O[WS(os, 6)] = Tk + Tj;
O[WS(os, 8)] = Ti - Tb;
O[WS(os, 4)] = Tj - Tk;
}
{
E Tr, Tv, Tu, Tw, Tt;
Tr = FMA(KP1_902113032, Tp, KP1_175570504 * Tq);
Tv = FNMS(KP1_175570504, Tp, KP1_902113032 * Tq);
Tt = FMA(KP500000000, Tn, KP2_000000000 * To);
Tu = Ts + Tt;
Tw = Tt - Ts;
O[WS(os, 1)] = -(Tr + Tu);
O[WS(os, 7)] = Tw - Tv;
O[WS(os, 9)] = Tr - Tu;
O[WS(os, 3)] = Tv + Tw;
}
}
}
static const khc2r_desc desc = { 10, "hc2rIII_10", {26, 10, 6, 0}, &GENUS, 0, 0, 0, 0, 0 };
void X(codelet_hc2rIII_10) (planner *p) {
X(khc2rIII_register) (p, hc2rIII_10, &desc);
}
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