comparison src/fftw-3.3.8/rdft/scalar/r2cf/r2cf_4.c @ 167:bd3cc4d1df30

Add FFTW 3.3.8 source, and a Linux build

+/*
+ * Copyright (c) 2003, 2007-14 Matteo Frigo
+ * Copyright (c) 2003, 2007-14 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 Thu May 24 08:06:26 EDT 2018 */
+
+#include "rdft/codelet-rdft.h"
+
+#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
+
+/* Generated by: ../../../genfft/gen_r2cf.native -fma -compact -variables 4 -pipeline-latency 4 -n 4 -name r2cf_4 -include rdft/scalar/r2cf.h */
+
+/*
+ * This function contains 6 FP additions, 0 FP multiplications,
+ * (or, 6 additions, 0 multiplications, 0 fused multiply/add),
+ * 7 stack variables, 0 constants, and 8 memory accesses
+ */
+#include "rdft/scalar/r2cf.h"
+
+static void r2cf_4(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(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
+	       E T1, T2, T3, T4, T5, T6;
+	       T1 = R0[0];
+	       T2 = R0[WS(rs, 1)];
+	       T3 = T1 + T2;
+	       T4 = R1[0];
+	       T5 = R1[WS(rs, 1)];
+	       T6 = T4 + T5;
+	       Cr[WS(csr, 1)] = T1 - T2;
+	       Ci[WS(csi, 1)] = T5 - T4;
+	       Cr[WS(csr, 2)] = T3 - T6;
+	       Cr[0] = T3 + T6;
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 4, "r2cf_4", {6, 0, 0, 0}, &GENUS };
+
+void X(codelet_r2cf_4) (planner *p) {
+     X(kr2c_register) (p, r2cf_4, &desc);
+}
+
+#else
+
+/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 4 -name r2cf_4 -include rdft/scalar/r2cf.h */
+
+/*
+ * This function contains 6 FP additions, 0 FP multiplications,
+ * (or, 6 additions, 0 multiplications, 0 fused multiply/add),
+ * 7 stack variables, 0 constants, and 8 memory accesses
+ */
+#include "rdft/scalar/r2cf.h"
+
+static void r2cf_4(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(16, rs), MAKE_VOLATILE_STRIDE(16, csr), MAKE_VOLATILE_STRIDE(16, csi)) {
+	       E T1, T2, T3, T4, T5, T6;
+	       T1 = R0[0];
+	       T2 = R0[WS(rs, 1)];
+	       T3 = T1 + T2;
+	       T4 = R1[0];
+	       T5 = R1[WS(rs, 1)];
+	       T6 = T4 + T5;
+	       Cr[WS(csr, 1)] = T1 - T2;
+	       Ci[WS(csi, 1)] = T5 - T4;
+	       Cr[WS(csr, 2)] = T3 - T6;
+	       Cr[0] = T3 + T6;
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 4, "r2cf_4", {6, 0, 0, 0}, &GENUS };
+
+void X(codelet_r2cf_4) (planner *p) {
+     X(kr2c_register) (p, r2cf_4, &desc);
+}
+
+#endif