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authorscuri <scuri>2008-10-17 06:10:15 +0000
committerscuri <scuri>2008-10-17 06:10:15 +0000
commit5a422aba704c375a307a902bafe658342e209906 (patch)
tree5005011e086bb863d8fb587ad3319bbec59b2447 /src/fftw3/rdft/codelets/r2hc/r2hcII_12.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/r2hcII_12.c')
-rw-r--r--src/fftw3/rdft/codelets/r2hc/r2hcII_12.c128
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diff --git a/src/fftw3/rdft/codelets/r2hc/r2hcII_12.c b/src/fftw3/rdft/codelets/r2hc/r2hcII_12.c
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+++ b/src/fftw3/rdft/codelets/r2hc/r2hcII_12.c
@@ -0,0 +1,128 @@
+/*
+ * 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 21:58:14 EDT 2003 */
+
+#include "codelet-rdft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 12 -name r2hcII_12 -dft-II -include r2hcII.h */
+
+/*
+ * This function contains 43 FP additions, 12 FP multiplications,
+ * (or, 39 additions, 8 multiplications, 4 fused multiply/add),
+ * 28 stack variables, and 24 memory accesses
+ */
+/*
+ * Generator Id's :
+ * $Id: r2hcII_12.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: r2hcII_12.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: r2hcII_12.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ */
+
+#include "r2hcII.h"
+
+static void r2hcII_12(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs)
+{
+ DK(KP353553390, +0.353553390593273762200422181052424519642417969);
+ DK(KP707106781, +0.707106781186547524400844362104849039284835938);
+ DK(KP612372435, +0.612372435695794524549321018676472847991486870);
+ DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+ DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+ int i;
+ for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) {
+ E Tx, Tg, T4, Tz, Ty, Tj, TA, T9, Tm, Tl, Te, Tp, To, Tf, TE;
+ E TF;
+ {
+ E T1, T3, T2, Th, Ti;
+ T1 = I[0];
+ T3 = I[WS(is, 4)];
+ T2 = I[WS(is, 8)];
+ Tx = KP866025403 * (T2 + T3);
+ Tg = FMA(KP500000000, T3 - T2, T1);
+ T4 = T1 + T2 - T3;
+ Tz = I[WS(is, 6)];
+ Th = I[WS(is, 10)];
+ Ti = I[WS(is, 2)];
+ Ty = Th + Ti;
+ Tj = KP866025403 * (Th - Ti);
+ TA = FMA(KP500000000, Ty, Tz);
+ }
+ {
+ E T5, T6, T7, T8;
+ T5 = I[WS(is, 3)];
+ T6 = I[WS(is, 11)];
+ T7 = I[WS(is, 7)];
+ T8 = T6 - T7;
+ T9 = T5 + T8;
+ Tm = KP612372435 * (T6 + T7);
+ Tl = FNMS(KP353553390, T8, KP707106781 * T5);
+ }
+ {
+ E Td, Ta, Tb, Tc;
+ Td = I[WS(is, 9)];
+ Ta = I[WS(is, 5)];
+ Tb = I[WS(is, 1)];
+ Tc = Ta - Tb;
+ Te = Tc - Td;
+ Tp = FMA(KP353553390, Tc, KP707106781 * Td);
+ To = KP612372435 * (Ta + Tb);
+ }
+ Tf = KP707106781 * (T9 + Te);
+ ro[WS(ros, 1)] = T4 - Tf;
+ ro[WS(ros, 4)] = T4 + Tf;
+ TE = KP707106781 * (Te - T9);
+ TF = Tz - Ty;
+ io[WS(ios, 4)] = TE - TF;
+ io[WS(ios, 1)] = TE + TF;
+ {
+ E Tk, TB, Tr, Tw, Tn, Tq;
+ Tk = Tg - Tj;
+ TB = Tx - TA;
+ Tn = Tl - Tm;
+ Tq = To - Tp;
+ Tr = Tn + Tq;
+ Tw = Tn - Tq;
+ ro[WS(ros, 5)] = Tk - Tr;
+ io[WS(ios, 2)] = Tw + TB;
+ ro[0] = Tk + Tr;
+ io[WS(ios, 3)] = Tw - TB;
+ }
+ {
+ E Ts, TD, Tv, TC, Tt, Tu;
+ Ts = Tg + Tj;
+ TD = Tx + TA;
+ Tt = To + Tp;
+ Tu = Tm + Tl;
+ Tv = Tt - Tu;
+ TC = Tu + Tt;
+ ro[WS(ros, 3)] = Ts - Tv;
+ io[WS(ios, 5)] = TD - TC;
+ ro[WS(ros, 2)] = Ts + Tv;
+ io[0] = -(TC + TD);
+ }
+ }
+}
+
+static const kr2hc_desc desc = { 12, "r2hcII_12", {39, 8, 4, 0}, &GENUS, 0, 0, 0, 0, 0 };
+
+void X(codelet_r2hcII_12) (planner *p) {
+ X(kr2hcII_register) (p, r2hcII_12, &desc);
+}