hc2r_13.c

fftw-3.0.1

/*
 * 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 22:11:12 EDT 2003 */

#include "codelet-rdft.h"

/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2r -compact -variables 4 -sign 1 -n 13 -name hc2r_13 -include hc2r.h */

/*
 * This function contains 76 FP additions, 35 FP multiplications,
 * (or, 56 additions, 15 multiplications, 20 fused multiply/add),
 * 56 stack variables, and 26 memory accesses
 */
/*
 * Generator Id's : 
 * $Id: algsimp.ml,v 1.7 2003/03/15 20:29:42 stevenj Exp $
 * $Id: fft.ml,v 1.2 2003/03/15 20:29:42 stevenj Exp $
 * $Id: gen_hc2r.ml,v 1.14 2003/04/17 19:25:50 athena Exp $
 */

#include "hc2r.h"

static void hc2r_13(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs)
{
     DK(KP1_007074065, +1.007074065727533254493747707736933954186697125);
     DK(KP227708958, +0.227708958111581597949308691735310621069285120);
     DK(KP531932498, +0.531932498429674575175042127684371897596660533);
     DK(KP774781170, +0.774781170935234584261351932853525703557550433);
     DK(KP265966249, +0.265966249214837287587521063842185948798330267);
     DK(KP516520780, +0.516520780623489722840901288569017135705033622);
     DK(KP151805972, +0.151805972074387731966205794490207080712856746);
     DK(KP503537032, +0.503537032863766627246873853868466977093348562);
     DK(KP166666666, +0.166666666666666666666666666666666666666666667);
     DK(KP600925212, +0.600925212577331548853203544578415991041882762);
     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
     DK(KP256247671, +0.256247671582936600958684654061725059144125175);
     DK(KP156891391, +0.156891391051584611046832726756003269660212636);
     DK(KP348277202, +0.348277202304271810011321589858529485233929352);
     DK(KP1_150281458, +1.150281458948006242736771094910906776922003215);
     DK(KP300238635, +0.300238635966332641462884626667381504676006424);
     DK(KP011599105, +0.011599105605768290721655456654083252189827041);
     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 TG, TS, TR, T15, TJ, TT, T1, Tm, Tc, Td, Tg, Tj, Tk, Tn, To;
	  E Tp;
	  {
	       E Ts, Tv, Tw, TE, TC, TB, Tz, TD, TA, TF;
	       {
		    E Tt, Tu, Tx, Ty;
		    Ts = ii[WS(iis, 1)];
		    Tt = ii[WS(iis, 3)];
		    Tu = ii[WS(iis, 4)];
		    Tv = Tt - Tu;
		    Tw = FMS(KP2_000000000, Ts, Tv);
		    TE = KP1_732050807 * (Tt + Tu);
		    TC = ii[WS(iis, 5)];
		    Tx = ii[WS(iis, 6)];
		    Ty = ii[WS(iis, 2)];
		    TB = Tx + Ty;
		    Tz = KP1_732050807 * (Tx - Ty);
		    TD = FNMS(KP2_000000000, TC, TB);
	       }
	       TA = Tw + Tz;
	       TF = TD - TE;
	       TG = FMA(KP011599105, TA, KP300238635 * TF);
	       TS = FNMS(KP011599105, TF, KP300238635 * TA);
	       {
		    E TP, TQ, TH, TI;
		    TP = Ts + Tv;
		    TQ = TB + TC;
		    TR = FNMS(KP348277202, TQ, KP1_150281458 * TP);
		    T15 = FMA(KP348277202, TP, KP1_150281458 * TQ);
		    TH = Tw - Tz;
		    TI = TE + TD;
		    TJ = FMA(KP156891391, TH, KP256247671 * TI);
		    TT = FNMS(KP256247671, TH, KP156891391 * TI);
	       }
	  }
	  {
	       E Tb, Ti, Tf, T6, Th, Te;
	       T1 = ri[0];
	       {
		    E T7, T8, T9, Ta;
		    T7 = ri[WS(ris, 5)];
		    T8 = ri[WS(ris, 2)];
		    T9 = ri[WS(ris, 6)];
		    Ta = T8 + T9;
		    Tb = T7 + Ta;
		    Ti = FNMS(KP500000000, Ta, T7);
		    Tf = T8 - T9;
	       }
	       {
		    E T2, T3, T4, T5;
		    T2 = ri[WS(ris, 1)];
		    T3 = ri[WS(ris, 3)];
		    T4 = ri[WS(ris, 4)];
		    T5 = T3 + T4;
		    T6 = T2 + T5;
		    Th = FNMS(KP500000000, T5, T2);
		    Te = T3 - T4;
	       }
	       Tm = KP600925212 * (T6 - Tb);
	       Tc = T6 + Tb;
	       Td = FNMS(KP166666666, Tc, T1);
	       Tg = Te + Tf;
	       Tj = Th + Ti;
	       Tk = FMA(KP503537032, Tg, KP151805972 * Tj);
	       Tn = Th - Ti;
	       To = Te - Tf;
	       Tp = FNMS(KP265966249, To, KP516520780 * Tn);
	  }
	  O[0] = FMA(KP2_000000000, Tc, T1);
	  {
	       E TK, T1b, TV, T12, T16, T18, TO, T1a, Tr, T17, T11, T13;
	       {
		    E TU, T14, TM, TN;
		    TK = KP1_732050807 * (TG + TJ);
		    T1b = KP1_732050807 * (TS - TT);
		    TU = TS + TT;
		    TV = TR - TU;
		    T12 = FMA(KP2_000000000, TU, TR);
		    T14 = TG - TJ;
		    T16 = FMS(KP2_000000000, T14, T15);
		    T18 = T14 + T15;
		    TM = FMA(KP774781170, To, KP531932498 * Tn);
		    TN = FNMS(KP1_007074065, Tj, KP227708958 * Tg);
		    TO = TM - TN;
		    T1a = TM + TN;
		    {
			 E Tl, Tq, TZ, T10;
			 Tl = Td - Tk;
			 Tq = Tm - Tp;
			 Tr = Tl - Tq;
			 T17 = Tq + Tl;
			 TZ = FMA(KP2_000000000, Tk, Td);
			 T10 = FMA(KP2_000000000, Tp, Tm);
			 T11 = TZ - T10;
			 T13 = T10 + TZ;
		    }
	       }
	       O[WS(os, 5)] = T11 - T12;
	       O[WS(os, 12)] = T13 - T16;
	       O[WS(os, 1)] = T13 + T16;
	       O[WS(os, 8)] = T11 + T12;
	       {
		    E TL, TW, T19, T1c;
		    TL = Tr - TK;
		    TW = TO - TV;
		    O[WS(os, 7)] = TL - TW;
		    O[WS(os, 2)] = TL + TW;
		    T19 = T17 - T18;
		    T1c = T1a + T1b;
		    O[WS(os, 3)] = T19 - T1c;
		    O[WS(os, 9)] = T1c + T19;
	       }
	       {
		    E T1d, T1e, TX, TY;
		    T1d = T1a - T1b;
		    T1e = T17 + T18;
		    O[WS(os, 4)] = T1d + T1e;
		    O[WS(os, 10)] = T1e - T1d;
		    TX = Tr + TK;
		    TY = TO + TV;
		    O[WS(os, 6)] = TX - TY;
		    O[WS(os, 11)] = TX + TY;
	       }
	  }
     }
}

static const khc2r_desc desc = { 13, "hc2r_13", {56, 15, 20, 0}, &GENUS, 0, 0, 0, 0, 0 };

void X(codelet_hc2r_13) (planner *p) {
     X(khc2r_register) (p, hc2r_13, &desc);
}