First commit - moving from LuaForge to SourceForge

1 files changed, 108 insertions, 0 deletions

diff --git a/src/fftw3/dft/codelets/standard/t2_4.c b/src/fftw3/dft/codelets/standard/t2_4.c
new file mode 100644
index 0000000..ced1a63
--- /dev/null
+++ b/src/fftw3/dft/codelets/standard/t2_4.c
@@ -0,0 +1,108 @@
+/*
+ * 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 21:30:08 EDT 2003 */
+
+#include "codelet-dft.h"
+
+/* Generated by: /homee/stevenj/cvs/fftw3.0.1/genfft/gen_twiddle -compact -variables 4 -twiddle-log3 -n 4 -name t2_4 -include t.h */
+
+/*
+ * This function contains 24 FP additions, 16 FP multiplications,
+ * (or, 16 additions, 8 multiplications, 8 fused multiply/add),
+ * 21 stack variables, and 16 memory accesses
+ */
+/*
+ * Generator Id's : 
+ * $Id: t2_4.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ * $Id: t2_4.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ * $Id: t2_4.c,v 1.1 2008/10/17 06:11:09 scuri Exp $
+ */
+
+#include "t.h"
+
+static const R *t2_4(R *ri, R *ii, const R *W, stride ios, int m, int dist)
+{
+     int i;
+     for (i = m; i > 0; i = i - 1, ri = ri + dist, ii = ii + dist, W = W + 4) {
+	  E T1, Tp, Ta, Te, To, Tl, Tk, Th;
+	  T1 = ri[0];
+	  Tp = ii[0];
+	  {
+	       E T7, T9, Tc, Td, Tg, Tf, T2, T4, T3, T5, T6, T8;
+	       T7 = ri[WS(ios, 2)];
+	       T9 = ii[WS(ios, 2)];
+	       Tc = ri[WS(ios, 1)];
+	       Td = ii[WS(ios, 1)];
+	       Tg = ii[WS(ios, 3)];
+	       Tf = ri[WS(ios, 3)];
+	       T2 = W[2];
+	       T4 = W[3];
+	       T3 = W[0];
+	       T5 = W[1];
+	       T6 = FMA(T2, T3, T4 * T5);
+	       T8 = FNMS(T4, T3, T2 * T5);
+	       Ta = FNMS(T8, T9, T6 * T7);
+	       Te = FMA(T3, Tc, T5 * Td);
+	       To = FMA(T8, T7, T6 * T9);
+	       Tl = FNMS(T4, Tf, T2 * Tg);
+	       Tk = FNMS(T5, Tc, T3 * Td);
+	       Th = FMA(T2, Tf, T4 * Tg);
+	  }
+	  {
+	       E Tb, Ti, Tn, Tq;
+	       Tb = T1 + Ta;
+	       Ti = Te + Th;
+	       ri[WS(ios, 2)] = Tb - Ti;
+	       ri[0] = Tb + Ti;
+	       Tn = Tk + Tl;
+	       Tq = To + Tp;
+	       ii[0] = Tn + Tq;
+	       ii[WS(ios, 2)] = Tq - Tn;
+	  }
+	  {
+	       E Tj, Tm, Tr, Ts;
+	       Tj = T1 - Ta;
+	       Tm = Tk - Tl;
+	       ri[WS(ios, 3)] = Tj - Tm;
+	       ri[WS(ios, 1)] = Tj + Tm;
+	       Tr = Tp - To;
+	       Ts = Te - Th;
+	       ii[WS(ios, 1)] = Tr - Ts;
+	       ii[WS(ios, 3)] = Ts + Tr;
+	  }
+     }
+     return W;
+}
+
+static const tw_instr twinstr[] = {
+     {TW_COS, 0, 1},
+     {TW_SIN, 0, 1},
+     {TW_COS, 0, 3},
+     {TW_SIN, 0, 3},
+     {TW_NEXT, 1, 0}
+};
+
+static const ct_desc desc = { 4, "t2_4", twinstr, {16, 8, 8, 0}, &GENUS, 0, 0, 0 };
+
+void X(codelet_t2_4) (planner *p) {
+     X(kdft_dit_register) (p, t2_4, &desc);
+}