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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/hc2r/hb_4.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw3/rdft/codelets/hc2r/hb_4.c')
-rw-r--r--src/fftw3/rdft/codelets/hc2r/hb_4.c111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/hc2r/hb_4.c b/src/fftw3/rdft/codelets/hc2r/hb_4.c
new file mode 100644
index 0000000..ac05b69
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+++ b/src/fftw3/rdft/codelets/hc2r/hb_4.c
@@ -0,0 +1,111 @@
+/*
+ * 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 22:11:22 EDT 2003 */
+
+#include "codelet-rdft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_hc2hc -compact -variables 4 -sign 1 -n 4 -dif -name hb_4 -include hb.h */
+
+/*
+ * This function contains 22 FP additions, 12 FP multiplications,
+ * (or, 16 additions, 6 multiplications, 6 fused multiply/add),
+ * 13 stack variables, and 16 memory accesses
+ */
+/*
+ * Generator Id's :
+ * $Id: hb_4.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ * $Id: hb_4.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ * $Id: hb_4.c,v 1.1 2008/10/17 06:12:08 scuri Exp $
+ */
+
+#include "hb.h"
+
+static const R *hb_4(R *rio, R *iio, const R *W, stride ios, int m, int dist)
+{
+ int i;
+ for (i = m - 2; i > 0; i = i - 2, rio = rio + dist, iio = iio - dist, W = W + 6) {
+ E T3, Ti, Tc, Tn, T6, Tm, Tf, Tj;
+ {
+ E T1, T2, Ta, Tb;
+ T1 = rio[0];
+ T2 = iio[-WS(ios, 2)];
+ T3 = T1 + T2;
+ Ti = T1 - T2;
+ Ta = iio[0];
+ Tb = rio[WS(ios, 2)];
+ Tc = Ta - Tb;
+ Tn = Ta + Tb;
+ }
+ {
+ E T4, T5, Td, Te;
+ T4 = rio[WS(ios, 1)];
+ T5 = iio[-WS(ios, 3)];
+ T6 = T4 + T5;
+ Tm = T4 - T5;
+ Td = iio[-WS(ios, 1)];
+ Te = rio[WS(ios, 3)];
+ Tf = Td - Te;
+ Tj = Td + Te;
+ }
+ rio[0] = T3 + T6;
+ iio[-WS(ios, 3)] = Tc + Tf;
+ {
+ E Tq, Ts, Tp, Tr;
+ Tq = Tn - Tm;
+ Ts = Ti + Tj;
+ Tp = W[4];
+ Tr = W[5];
+ iio[0] = FMA(Tp, Tq, Tr * Ts);
+ rio[WS(ios, 3)] = FNMS(Tr, Tq, Tp * Ts);
+ }
+ {
+ E T8, Tg, T7, T9;
+ T8 = T3 - T6;
+ Tg = Tc - Tf;
+ T7 = W[2];
+ T9 = W[3];
+ rio[WS(ios, 2)] = FNMS(T9, Tg, T7 * T8);
+ iio[-WS(ios, 1)] = FMA(T9, T8, T7 * Tg);
+ }
+ {
+ E Tk, To, Th, Tl;
+ Tk = Ti - Tj;
+ To = Tm + Tn;
+ Th = W[0];
+ Tl = W[1];
+ rio[WS(ios, 1)] = FNMS(Tl, To, Th * Tk);
+ iio[-WS(ios, 2)] = FMA(Th, To, Tl * Tk);
+ }
+ }
+ return W;
+}
+
+static const tw_instr twinstr[] = {
+ {TW_FULL, 0, 4},
+ {TW_NEXT, 1, 0}
+};
+
+static const hc2hc_desc desc = { 4, "hb_4", twinstr, {16, 6, 6, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_hb_4) (planner *p) {
+ X(khc2hc_dif_register) (p, hb_4, &desc);
+}