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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 22:12:13 EDT 2003 */
#include "codelet-rdft.h"
/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 16 -name hc2rIII_16 -dft-III -include hc2rIII.h */
/*
* This function contains 66 FP additions, 32 FP multiplications,
* (or, 54 additions, 20 multiplications, 12 fused multiply/add),
* 40 stack variables, and 32 memory accesses
*/
/*
* Generator Id's :
* $Id: hc2rIII_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
* $Id: hc2rIII_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
* $Id: hc2rIII_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
*/
#include "hc2rIII.h"
static void hc2rIII_16(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs)
{
DK(KP1_961570560, +1.961570560806460898252364472268478073947867462);
DK(KP390180644, +0.390180644032256535696569736954044481855383236);
DK(KP1_111140466, +1.111140466039204449485661627897065748749874382);
DK(KP1_662939224, +1.662939224605090474157576755235811513477121624);
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
DK(KP765366864, +0.765366864730179543456919968060797733522689125);
DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
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 T7, TW, T13, Tj, TD, TK, TP, TH, Te, TX, T12, To, Tt, Tx, TS;
E Tw, TT, TY;
{
E T3, Tf, TC, TV, T6, Tz, Ti, TU;
{
E T1, T2, TA, TB;
T1 = ri[0];
T2 = ri[WS(ris, 7)];
T3 = T1 + T2;
Tf = T1 - T2;
TA = ii[0];
TB = ii[WS(iis, 7)];
TC = TA + TB;
TV = TB - TA;
}
{
E T4, T5, Tg, Th;
T4 = ri[WS(ris, 4)];
T5 = ri[WS(ris, 3)];
T6 = T4 + T5;
Tz = T4 - T5;
Tg = ii[WS(iis, 4)];
Th = ii[WS(iis, 3)];
Ti = Tg + Th;
TU = Tg - Th;
}
T7 = T3 + T6;
TW = TU + TV;
T13 = TV - TU;
Tj = Tf - Ti;
TD = Tz + TC;
TK = Tz - TC;
TP = T3 - T6;
TH = Tf + Ti;
}
{
E Ta, Tk, Tn, TR, Td, Tp, Ts, TQ;
{
E T8, T9, Tl, Tm;
T8 = ri[WS(ris, 2)];
T9 = ri[WS(ris, 5)];
Ta = T8 + T9;
Tk = T8 - T9;
Tl = ii[WS(iis, 2)];
Tm = ii[WS(iis, 5)];
Tn = Tl + Tm;
TR = Tl - Tm;
}
{
E Tb, Tc, Tq, Tr;
Tb = ri[WS(ris, 1)];
Tc = ri[WS(ris, 6)];
Td = Tb + Tc;
Tp = Tb - Tc;
Tq = ii[WS(iis, 1)];
Tr = ii[WS(iis, 6)];
Ts = Tq + Tr;
TQ = Tr - Tq;
}
Te = Ta + Td;
TX = Ta - Td;
T12 = TR + TQ;
To = Tk - Tn;
Tt = Tp - Ts;
Tx = Tp + Ts;
TS = TQ - TR;
Tw = Tk + Tn;
}
O[0] = KP2_000000000 * (T7 + Te);
O[WS(os, 8)] = KP2_000000000 * (T13 - T12);
TT = TP + TS;
TY = TW - TX;
O[WS(os, 2)] = FMA(KP1_847759065, TT, KP765366864 * TY);
O[WS(os, 10)] = FNMS(KP765366864, TT, KP1_847759065 * TY);
{
E T11, T14, TZ, T10;
T11 = T7 - Te;
T14 = T12 + T13;
O[WS(os, 4)] = KP1_414213562 * (T11 + T14);
O[WS(os, 12)] = KP1_414213562 * (T14 - T11);
TZ = TP - TS;
T10 = TX + TW;
O[WS(os, 6)] = FMA(KP765366864, TZ, KP1_847759065 * T10);
O[WS(os, 14)] = FNMS(KP1_847759065, TZ, KP765366864 * T10);
}
{
E TJ, TN, TM, TO, TI, TL;
TI = KP707106781 * (Tw + Tx);
TJ = TH - TI;
TN = TH + TI;
TL = KP707106781 * (To - Tt);
TM = TK - TL;
TO = TL + TK;
O[WS(os, 3)] = FMA(KP1_662939224, TJ, KP1_111140466 * TM);
O[WS(os, 15)] = FNMS(KP1_961570560, TN, KP390180644 * TO);
O[WS(os, 11)] = FNMS(KP1_111140466, TJ, KP1_662939224 * TM);
O[WS(os, 7)] = FMA(KP390180644, TN, KP1_961570560 * TO);
}
{
E Tv, TF, TE, TG, Tu, Ty;
Tu = KP707106781 * (To + Tt);
Tv = Tj + Tu;
TF = Tj - Tu;
Ty = KP707106781 * (Tw - Tx);
TE = Ty + TD;
TG = Ty - TD;
O[WS(os, 1)] = FNMS(KP390180644, TE, KP1_961570560 * Tv);
O[WS(os, 13)] = FNMS(KP1_662939224, TF, KP1_111140466 * TG);
O[WS(os, 9)] = -(FMA(KP390180644, Tv, KP1_961570560 * TE));
O[WS(os, 5)] = FMA(KP1_111140466, TF, KP1_662939224 * TG);
}
}
}
static const khc2r_desc desc = { 16, "hc2rIII_16", {54, 20, 12, 0}, &GENUS, 0, 0, 0, 0, 0 };
void X(codelet_hc2rIII_16) (planner *p) {
X(khc2rIII_register) (p, hc2rIII_16, &desc);
}
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