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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/r2hc_3.c
First commit - moving from LuaForge to SourceForge
Diffstat (limited to 'src/fftw3/rdft/codelets/r2hc/r2hc_3.c')
-rw-r--r--src/fftw3/rdft/codelets/r2hc/r2hc_3.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/src/fftw3/rdft/codelets/r2hc/r2hc_3.c b/src/fftw3/rdft/codelets/r2hc/r2hc_3.c
new file mode 100644
index 0000000..84041fc
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+++ b/src/fftw3/rdft/codelets/r2hc/r2hc_3.c
@@ -0,0 +1,63 @@
+/*
+ * 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 21:56:40 EDT 2003 */
+
+#include "codelet-rdft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_r2hc -compact -variables 4 -n 3 -name r2hc_3 -include r2hc.h */
+
+/*
+ * This function contains 4 FP additions, 2 FP multiplications,
+ * (or, 3 additions, 1 multiplications, 1 fused multiply/add),
+ * 7 stack variables, and 6 memory accesses
+ */
+/*
+ * Generator Id's :
+ * $Id: r2hc_3.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: r2hc_3.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ * $Id: r2hc_3.c,v 1.1 2008/10/17 06:12:34 scuri Exp $
+ */
+
+#include "r2hc.h"
+
+static void r2hc_3(const R *I, R *ro, R *io, stride is, stride ros, stride ios, int v, int ivs, int ovs)
+{
+ DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+ DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+ int i;
+ for (i = v; i > 0; i = i - 1, I = I + ivs, ro = ro + ovs, io = io + ovs) {
+ E T1, T2, T3, T4;
+ T1 = I[0];
+ T2 = I[WS(is, 1)];
+ T3 = I[WS(is, 2)];
+ T4 = T2 + T3;
+ ro[WS(ros, 1)] = FNMS(KP500000000, T4, T1);
+ io[WS(ios, 1)] = KP866025403 * (T3 - T2);
+ ro[0] = T1 + T4;
+ }
+}
+
+static const kr2hc_desc desc = { 3, "r2hc_3", {3, 1, 1, 0}, &GENUS, 0, 0, 0, 0, 0 };
+
+void X(codelet_r2hc_3) (planner *p) {
+ X(kr2hc_register) (p, r2hc_3, &desc);
+}