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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 22:11:58 EDT 2003 */
#include "codelet-rdft.h"
/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 6 -name hc2rIII_6 -dft-III -include hc2rIII.h */
/*
* This function contains 12 FP additions, 6 FP multiplications,
* (or, 10 additions, 4 multiplications, 2 fused multiply/add),
* 15 stack variables, and 12 memory accesses
*/
/*
* Generator Id's :
* $Id: hc2rIII_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
* $Id: hc2rIII_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
* $Id: hc2rIII_6.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
*/
#include "hc2rIII.h"
static void hc2rIII_6(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs)
{
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
int i;
for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, O = O + ovs) {
E T1, T6, T4, T5, T9, Tb, Ta, Tc;
T1 = ri[WS(ris, 1)];
T6 = ii[WS(iis, 1)];
{
E T2, T3, T7, T8;
T2 = ri[WS(ris, 2)];
T3 = ri[0];
T4 = T2 + T3;
T5 = KP1_732050807 * (T2 - T3);
T7 = ii[WS(iis, 2)];
T8 = ii[0];
T9 = T7 + T8;
Tb = KP1_732050807 * (T7 - T8);
}
O[0] = KP2_000000000 * (T1 + T4);
O[WS(os, 3)] = KP2_000000000 * (T6 - T9);
Ta = FMA(KP2_000000000, T6, T9);
O[WS(os, 1)] = -(T5 + Ta);
O[WS(os, 5)] = T5 - Ta;
Tc = FMS(KP2_000000000, T1, T4);
O[WS(os, 2)] = Tb - Tc;
O[WS(os, 4)] = Tc + Tb;
}
}
static const khc2r_desc desc = { 6, "hc2rIII_6", {10, 4, 2, 0}, &GENUS, 0, 0, 0, 0, 0 };
void X(codelet_hc2rIII_6) (planner *p) {
X(khc2rIII_register) (p, hc2rIII_6, &desc);
}
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