diff src/fftw-3.3.3/rdft/scalar/r2cf/r2cf_10.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_10.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,201 @@
+/*
+ * 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 10 -name r2cf_10 -include r2cf.h */
+
+/*
+ * This function contains 34 FP additions, 14 FP multiplications,
+ * (or, 24 additions, 4 multiplications, 10 fused multiply/add),
+ * 29 stack variables, 4 constants, and 20 memory accesses
+ */
+#include "r2cf.h"
+
+static void r2cf_10(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DK(KP618033988, +0.618033988749894848204586834365638117720309180);
+     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     {
+	  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(40, rs), MAKE_VOLATILE_STRIDE(40, csr), MAKE_VOLATILE_STRIDE(40, csi)) {
+	       E Tt, T3, T7, Tq, T6, Tv, Tp, Tm, Th, T8, T1, T2, T9, Tr;
+	       T1 = R0[0];
+	       T2 = R1[WS(rs, 2)];
+	       {
+		    E Te, Tn, Td, Tf, Tb, Tc;
+		    Tb = R0[WS(rs, 2)];
+		    Tc = R1[WS(rs, 4)];
+		    Te = R0[WS(rs, 3)];
+		    Tt = T1 + T2;
+		    T3 = T1 - T2;
+		    Tn = Tb + Tc;
+		    Td = Tb - Tc;
+		    Tf = R1[0];
+		    {
+			 E T4, T5, To, Tg;
+			 T4 = R0[WS(rs, 1)];
+			 T5 = R1[WS(rs, 3)];
+			 T7 = R0[WS(rs, 4)];
+			 To = Te + Tf;
+			 Tg = Te - Tf;
+			 Tq = T4 + T5;
+			 T6 = T4 - T5;
+			 Tv = Tn + To;
+			 Tp = Tn - To;
+			 Tm = Tg - Td;
+			 Th = Td + Tg;
+			 T8 = R1[WS(rs, 1)];
+		    }
+	       }
+	       T9 = T7 - T8;
+	       Tr = T7 + T8;
+	       {
+		    E Ty, Tk, Tx, Tj, Tu, Ts;
+		    Tu = Tq + Tr;
+		    Ts = Tq - Tr;
+		    {
+			 E Ta, Tl, Tw, Ti;
+			 Ta = T6 + T9;
+			 Tl = T6 - T9;
+			 Ci[WS(csi, 4)] = KP951056516 * (FMA(KP618033988, Tp, Ts));
+			 Ci[WS(csi, 2)] = KP951056516 * (FNMS(KP618033988, Ts, Tp));
+			 Ty = Tu - Tv;
+			 Tw = Tu + Tv;
+			 Ci[WS(csi, 3)] = KP951056516 * (FMA(KP618033988, Tl, Tm));
+			 Ci[WS(csi, 1)] = -(KP951056516 * (FNMS(KP618033988, Tm, Tl)));
+			 Tk = Ta - Th;
+			 Ti = Ta + Th;
+			 Cr[0] = Tt + Tw;
+			 Tx = FNMS(KP250000000, Tw, Tt);
+			 Cr[WS(csr, 5)] = T3 + Ti;
+			 Tj = FNMS(KP250000000, Ti, T3);
+		    }
+		    Cr[WS(csr, 4)] = FMA(KP559016994, Ty, Tx);
+		    Cr[WS(csr, 2)] = FNMS(KP559016994, Ty, Tx);
+		    Cr[WS(csr, 3)] = FNMS(KP559016994, Tk, Tj);
+		    Cr[WS(csr, 1)] = FMA(KP559016994, Tk, Tj);
+	       }
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 10, "r2cf_10", {24, 4, 10, 0}, &GENUS };
+
+void X(codelet_r2cf_10) (planner *p) {
+     X(kr2c_register) (p, r2cf_10, &desc);
+}
+
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 10 -name r2cf_10 -include r2cf.h */
+
+/*
+ * This function contains 34 FP additions, 12 FP multiplications,
+ * (or, 28 additions, 6 multiplications, 6 fused multiply/add),
+ * 26 stack variables, 4 constants, and 20 memory accesses
+ */
+#include "r2cf.h"
+
+static void r2cf_10(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DK(KP587785252, +0.587785252292473129168705954639072768597652438);
+     {
+	  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(40, rs), MAKE_VOLATILE_STRIDE(40, csr), MAKE_VOLATILE_STRIDE(40, csi)) {
+	       E Ti, Tt, Ta, Tn, Td, To, Te, Tv, T3, Tq, T6, Tr, T7, Tu, Tg;
+	       E Th;
+	       Tg = R0[0];
+	       Th = R1[WS(rs, 2)];
+	       Ti = Tg - Th;
+	       Tt = Tg + Th;
+	       {
+		    E T8, T9, Tb, Tc;
+		    T8 = R0[WS(rs, 2)];
+		    T9 = R1[WS(rs, 4)];
+		    Ta = T8 - T9;
+		    Tn = T8 + T9;
+		    Tb = R0[WS(rs, 3)];
+		    Tc = R1[0];
+		    Td = Tb - Tc;
+		    To = Tb + Tc;
+	       }
+	       Te = Ta + Td;
+	       Tv = Tn + To;
+	       {
+		    E T1, T2, T4, T5;
+		    T1 = R0[WS(rs, 1)];
+		    T2 = R1[WS(rs, 3)];
+		    T3 = T1 - T2;
+		    Tq = T1 + T2;
+		    T4 = R0[WS(rs, 4)];
+		    T5 = R1[WS(rs, 1)];
+		    T6 = T4 - T5;
+		    Tr = T4 + T5;
+	       }
+	       T7 = T3 + T6;
+	       Tu = Tq + Tr;
+	       {
+		    E Tl, Tm, Tf, Tj, Tk;
+		    Tl = Td - Ta;
+		    Tm = T3 - T6;
+		    Ci[WS(csi, 1)] = FNMS(KP951056516, Tm, KP587785252 * Tl);
+		    Ci[WS(csi, 3)] = FMA(KP587785252, Tm, KP951056516 * Tl);
+		    Tf = KP559016994 * (T7 - Te);
+		    Tj = T7 + Te;
+		    Tk = FNMS(KP250000000, Tj, Ti);
+		    Cr[WS(csr, 1)] = Tf + Tk;
+		    Cr[WS(csr, 5)] = Ti + Tj;
+		    Cr[WS(csr, 3)] = Tk - Tf;
+	       }
+	       {
+		    E Tp, Ts, Ty, Tw, Tx;
+		    Tp = Tn - To;
+		    Ts = Tq - Tr;
+		    Ci[WS(csi, 2)] = FNMS(KP587785252, Ts, KP951056516 * Tp);
+		    Ci[WS(csi, 4)] = FMA(KP951056516, Ts, KP587785252 * Tp);
+		    Ty = KP559016994 * (Tu - Tv);
+		    Tw = Tu + Tv;
+		    Tx = FNMS(KP250000000, Tw, Tt);
+		    Cr[WS(csr, 2)] = Tx - Ty;
+		    Cr[0] = Tt + Tw;
+		    Cr[WS(csr, 4)] = Ty + Tx;
+	       }
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 10, "r2cf_10", {28, 6, 6, 0}, &GENUS };
+
+void X(codelet_r2cf_10) (planner *p) {
+     X(kr2c_register) (p, r2cf_10, &desc);
+}
+
+#endif				/* HAVE_FMA */