r2hc_14.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 21:56:41 EDT 2003 */

#include "codelet-rdft.h"

/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 14 -name r2hc_14 -include r2hc.h */

/*
 * This function contains 62 FP additions, 36 FP multiplications,
 * (or, 38 additions, 12 multiplications, 24 fused multiply/add),
 * 29 stack variables, and 28 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_r2hc.ml,v 1.13 2003/04/17 19:25:50 athena Exp $
 */

#include "r2hc.h"

static void r2hc_14(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs)
{
     DK(KP900968867, +0.900968867902419126236102319507445051165919162);
     DK(KP222520933, +0.222520933956314404288902564496794759466355569);
     DK(KP623489801, +0.623489801858733530525004884004239810632274731);
     DK(KP433883739, +0.433883739117558120475768332848358754609990728);
     DK(KP974927912, +0.974927912181823607018131682993931217232785801);
     DK(KP781831482, +0.781831482468029808708444526674057750232334519);
     int i;
     for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) {
	  E T3, TB, T6, Tv, Tn, Ts, Tk, Tt, Td, Ty, T9, Tw, Tg, Tz, T1;
	  E T2;
	  T1 = I[0];
	  T2 = I[WS(is, 7)];
	  T3 = T1 - T2;
	  TB = T1 + T2;
	  {
	       E T4, T5, Tl, Tm;
	       T4 = I[WS(is, 4)];
	       T5 = I[WS(is, 11)];
	       T6 = T4 - T5;
	       Tv = T4 + T5;
	       Tl = I[WS(is, 12)];
	       Tm = I[WS(is, 5)];
	       Tn = Tl - Tm;
	       Ts = Tl + Tm;
	  }
	  {
	       E Ti, Tj, Tb, Tc;
	       Ti = I[WS(is, 2)];
	       Tj = I[WS(is, 9)];
	       Tk = Ti - Tj;
	       Tt = Ti + Tj;
	       Tb = I[WS(is, 6)];
	       Tc = I[WS(is, 13)];
	       Td = Tb - Tc;
	       Ty = Tb + Tc;
	  }
	  {
	       E T7, T8, Te, Tf;
	       T7 = I[WS(is, 10)];
	       T8 = I[WS(is, 3)];
	       T9 = T7 - T8;
	       Tw = T7 + T8;
	       Te = I[WS(is, 8)];
	       Tf = I[WS(is, 1)];
	       Tg = Te - Tf;
	       Tz = Te + Tf;
	  }
	  {
	       E Tp, Tr, Tq, Ta, To, Th;
	       Tp = Tn - Tk;
	       Tr = Tg - Td;
	       Tq = T9 - T6;
	       io[WS(ios, 1)] = FMA(KP781831482, Tp, KP974927912 * Tq) + (KP433883739 * Tr);
	       io[WS(ios, 5)] = FMA(KP433883739, Tq, KP781831482 * Tr) - (KP974927912 * Tp);
	       io[WS(ios, 3)] = FMA(KP433883739, Tp, KP974927912 * Tr) - (KP781831482 * Tq);
	       Ta = T6 + T9;
	       To = Tk + Tn;
	       Th = Td + Tg;
	       ro[WS(ros, 3)] = FMA(KP623489801, Ta, T3) + FNMA(KP222520933, Th, KP900968867 * To);
	       ro[WS(ros, 7)] = T3 + To + Ta + Th;
	       ro[WS(ros, 1)] = FMA(KP623489801, To, T3) + FNMA(KP900968867, Th, KP222520933 * Ta);
	       ro[WS(ros, 5)] = FMA(KP623489801, Th, T3) + FNMA(KP900968867, Ta, KP222520933 * To);
	  }
	  {
	       E Tu, TA, Tx, TC, TE, TD;
	       Tu = Ts - Tt;
	       TA = Ty - Tz;
	       Tx = Tv - Tw;
	       io[WS(ios, 2)] = FMA(KP974927912, Tu, KP433883739 * Tx) + (KP781831482 * TA);
	       io[WS(ios, 6)] = FMA(KP974927912, Tx, KP433883739 * TA) - (KP781831482 * Tu);
	       io[WS(ios, 4)] = FNMS(KP781831482, Tx, KP974927912 * TA) - (KP433883739 * Tu);
	       TC = Tt + Ts;
	       TE = Tv + Tw;
	       TD = Ty + Tz;
	       ro[WS(ros, 6)] = FMA(KP623489801, TC, TB) + FNMA(KP900968867, TD, KP222520933 * TE);
	       ro[WS(ros, 2)] = FMA(KP623489801, TD, TB) + FNMA(KP900968867, TE, KP222520933 * TC);
	       ro[WS(ros, 4)] = FMA(KP623489801, TE, TB) + FNMA(KP222520933, TD, KP900968867 * TC);
	       ro[0] = TB + TC + TE + TD;
	  }
     }
}

static const kr2hc_desc desc = { 14, "r2hc_14", {38, 12, 24, 0}, &GENUS, 0, 0, 0, 0, 0 };

void X(codelet_r2hc_14) (planner *p) {
     X(kr2hc_register) (p, r2hc_14, &desc);
}