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authorscuri <scuri>2009-08-20 12:35:06 +0000
committerscuri <scuri>2009-08-20 12:35:06 +0000
commit5d735255ddd3cb2f547abd3d03969af3fb7eb04e (patch)
tree8fb66510bc625bb1b08ccb41f1b83fb0f7cb8f19 /src/fftw3/rdft/codelets/hc2r/hc2r_16.c
parent35733b87eed86e5228f12fa10c98a3d9d22a6073 (diff)
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Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hc2r_16.c')
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diff --git a/src/fftw3/rdft/codelets/hc2r/hc2r_16.c b/src/fftw3/rdft/codelets/hc2r/hc2r_16.c
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--- a/src/fftw3/rdft/codelets/hc2r/hc2r_16.c
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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 22:11:13 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 hc2r_16 -include hc2r.h */
-
-/*
- * This function contains 58 FP additions, 18 FP multiplications,
- * (or, 54 additions, 14 multiplications, 4 fused multiply/add),
- * 31 stack variables, and 32 memory accesses
- */
-/*
- * Generator Id's :
- * $Id: hc2r_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
- * $Id: hc2r_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
- * $Id: hc2r_16.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
- */
-
-#include "hc2r.h"
-
-static void hc2r_16(const R *ri, const R *ii, R *O, stride ris, stride iis, stride os, int v, int ivs, int ovs)
-{
- DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
- DK(KP765366864, +0.765366864730179543456919968060797733522689125);
- DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
- 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 T9, TS, Tl, TG, T6, TR, Ti, TD, Td, Tq, Tg, Tt, Tn, Tu, TV;
- E TU, TN, TK;
- {
- E T7, T8, TE, Tj, Tk, TF;
- T7 = ri[WS(ris, 2)];
- T8 = ri[WS(ris, 6)];
- TE = T7 - T8;
- Tj = ii[WS(iis, 2)];
- Tk = ii[WS(iis, 6)];
- TF = Tj + Tk;
- T9 = KP2_000000000 * (T7 + T8);
- TS = KP1_414213562 * (TE + TF);
- Tl = KP2_000000000 * (Tj - Tk);
- TG = KP1_414213562 * (TE - TF);
- }
- {
- E T5, TC, T3, TA;
- {
- E T4, TB, T1, T2;
- T4 = ri[WS(ris, 4)];
- T5 = KP2_000000000 * T4;
- TB = ii[WS(iis, 4)];
- TC = KP2_000000000 * TB;
- T1 = ri[0];
- T2 = ri[WS(ris, 8)];
- T3 = T1 + T2;
- TA = T1 - T2;
- }
- T6 = T3 + T5;
- TR = TA + TC;
- Ti = T3 - T5;
- TD = TA - TC;
- }
- {
- E TI, TM, TL, TJ;
- {
- E Tb, Tc, To, Tp;
- Tb = ri[WS(ris, 1)];
- Tc = ri[WS(ris, 7)];
- Td = Tb + Tc;
- TI = Tb - Tc;
- To = ii[WS(iis, 1)];
- Tp = ii[WS(iis, 7)];
- Tq = To - Tp;
- TM = To + Tp;
- }
- {
- E Te, Tf, Tr, Ts;
- Te = ri[WS(ris, 5)];
- Tf = ri[WS(ris, 3)];
- Tg = Te + Tf;
- TL = Te - Tf;
- Tr = ii[WS(iis, 5)];
- Ts = ii[WS(iis, 3)];
- Tt = Tr - Ts;
- TJ = Tr + Ts;
- }
- Tn = Td - Tg;
- Tu = Tq - Tt;
- TV = TM - TL;
- TU = TI + TJ;
- TN = TL + TM;
- TK = TI - TJ;
- }
- {
- E Ta, Th, TT, TW;
- Ta = T6 + T9;
- Th = KP2_000000000 * (Td + Tg);
- O[WS(os, 8)] = Ta - Th;
- O[0] = Ta + Th;
- TT = TR - TS;
- TW = FNMS(KP1_847759065, TV, KP765366864 * TU);
- O[WS(os, 11)] = TT - TW;
- O[WS(os, 3)] = TT + TW;
- }
- {
- E TX, TY, Tm, Tv;
- TX = TR + TS;
- TY = FMA(KP1_847759065, TU, KP765366864 * TV);
- O[WS(os, 7)] = TX - TY;
- O[WS(os, 15)] = TX + TY;
- Tm = Ti - Tl;
- Tv = KP1_414213562 * (Tn - Tu);
- O[WS(os, 10)] = Tm - Tv;
- O[WS(os, 2)] = Tm + Tv;
- }
- {
- E Tw, Tx, TH, TO;
- Tw = Ti + Tl;
- Tx = KP1_414213562 * (Tn + Tu);
- O[WS(os, 6)] = Tw - Tx;
- O[WS(os, 14)] = Tw + Tx;
- TH = TD + TG;
- TO = FNMS(KP765366864, TN, KP1_847759065 * TK);
- O[WS(os, 9)] = TH - TO;
- O[WS(os, 1)] = TH + TO;
- }
- {
- E TP, TQ, Ty, Tz;
- TP = TD - TG;
- TQ = FMA(KP765366864, TK, KP1_847759065 * TN);
- O[WS(os, 5)] = TP - TQ;
- O[WS(os, 13)] = TP + TQ;
- Ty = T6 - T9;
- Tz = KP2_000000000 * (Tt + Tq);
- O[WS(os, 4)] = Ty - Tz;
- O[WS(os, 12)] = Ty + Tz;
- }
- }
-}
-
-static const khc2r_desc desc = { 16, "hc2r_16", {54, 14, 4, 0}, &GENUS, 0, 0, 0, 0, 0 };
-
-void X(codelet_hc2r_16) (planner *p) {
- X(khc2r_register) (p, hc2r_16, &desc);
-}