diff src/fftw-3.3.3/rdft/scalar/r2cf/r2cf_2.c @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/rdft/scalar/r2cf/r2cf_2.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,88 @@
+/*
+ * Copyright (c) 2003, 2007-11 Matteo Frigo
+ * Copyright (c) 2003, 2007-11 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+/* This file was automatically generated --- DO NOT EDIT */
+/* Generated on Sun Nov 25 07:39:45 EST 2012 */
+
+#include "codelet-rdft.h"
+
+#ifdef HAVE_FMA
+
+/* Generated by: ../../../genfft/gen_r2cf.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 2 -name r2cf_2 -include r2cf.h */
+
+/*
+ * This function contains 2 FP additions, 0 FP multiplications,
+ * (or, 2 additions, 0 multiplications, 0 fused multiply/add),
+ * 3 stack variables, 0 constants, and 4 memory accesses
+ */
+#include "r2cf.h"
+
+static void r2cf_2(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     {
+	  INT i;
+	  for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(8, rs), MAKE_VOLATILE_STRIDE(8, csr), MAKE_VOLATILE_STRIDE(8, csi)) {
+	       E T1, T2;
+	       T1 = R0[0];
+	       T2 = R1[0];
+	       Cr[0] = T1 + T2;
+	       Cr[WS(csr, 1)] = T1 - T2;
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 2, "r2cf_2", {2, 0, 0, 0}, &GENUS };
+
+void X(codelet_r2cf_2) (planner *p) {
+     X(kr2c_register) (p, r2cf_2, &desc);
+}
+
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 2 -name r2cf_2 -include r2cf.h */
+
+/*
+ * This function contains 2 FP additions, 0 FP multiplications,
+ * (or, 2 additions, 0 multiplications, 0 fused multiply/add),
+ * 3 stack variables, 0 constants, and 4 memory accesses
+ */
+#include "r2cf.h"
+
+static void r2cf_2(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     {
+	  INT i;
+	  for (i = v; i > 0; i = i - 1, R0 = R0 + ivs, R1 = R1 + ivs, Cr = Cr + ovs, Ci = Ci + ovs, MAKE_VOLATILE_STRIDE(8, rs), MAKE_VOLATILE_STRIDE(8, csr), MAKE_VOLATILE_STRIDE(8, csi)) {
+	       E T1, T2;
+	       T1 = R0[0];
+	       T2 = R1[0];
+	       Cr[WS(csr, 1)] = T1 - T2;
+	       Cr[0] = T1 + T2;
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 2, "r2cf_2", {2, 0, 0, 0}, &GENUS };
+
+void X(codelet_r2cf_2) (planner *p) {
+     X(kr2c_register) (p, r2cf_2, &desc);
+}
+
+#endif				/* HAVE_FMA */