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diff src/fftw-3.3.3/rdft/scalar/r2cf/r2cfII_10.c @ 95:89f5e221ed7b

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Add FFTW3
author Chris Cannam <cannam@all-day-breakfast.com>
date Wed, 20 Mar 2013 15:35:50 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/rdft/scalar/r2cf/r2cfII_10.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,193 @@
+/*
+ * 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 07:40:15 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 r2cfII_10 -dft-II -include r2cfII.h */
+
+/*
+ * This function contains 32 FP additions, 18 FP multiplications,
+ * (or, 14 additions, 0 multiplications, 18 fused multiply/add),
+ * 37 stack variables, 4 constants, and 20 memory accesses
+ */
+#include "r2cfII.h"
+
+static void r2cfII_10(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DK(KP618033988, +0.618033988749894848204586834365638117720309180);
+     {
+	  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 Tq, Ti, Tk, Tu, Tw, Tp, Tb, Tj, Tr, Tv;
+	       {
+		    E T1, To, Ts, Tt, T8, Ta, Te, Tm, Tl, Th, Tn, T9;
+		    T1 = R0[0];
+		    To = R1[WS(rs, 2)];
+		    {
+			 E T2, T3, T5, T6;
+			 T2 = R0[WS(rs, 2)];
+			 T3 = R0[WS(rs, 3)];
+			 T5 = R0[WS(rs, 4)];
+			 T6 = R0[WS(rs, 1)];
+			 {
+			      E Tc, T4, T7, Td, Tf, Tg;
+			      Tc = R1[0];
+			      Ts = T2 + T3;
+			      T4 = T2 - T3;
+			      Tt = T5 + T6;
+			      T7 = T5 - T6;
+			      Td = R1[WS(rs, 4)];
+			      Tf = R1[WS(rs, 1)];
+			      Tg = R1[WS(rs, 3)];
+			      T8 = T4 + T7;
+			      Ta = T4 - T7;
+			      Te = Tc - Td;
+			      Tm = Tc + Td;
+			      Tl = Tf + Tg;
+			      Th = Tf - Tg;
+			 }
+		    }
+		    Cr[WS(csr, 2)] = T1 + T8;
+		    Tn = Tl - Tm;
+		    Tq = Tm + Tl;
+		    Ti = FMA(KP618033988, Th, Te);
+		    Tk = FNMS(KP618033988, Te, Th);
+		    Ci[WS(csi, 2)] = Tn - To;
+		    T9 = FNMS(KP250000000, T8, T1);
+		    Tu = FMA(KP618033988, Tt, Ts);
+		    Tw = FNMS(KP618033988, Ts, Tt);
+		    Tp = FMA(KP250000000, Tn, To);
+		    Tb = FMA(KP559016994, Ta, T9);
+		    Tj = FNMS(KP559016994, Ta, T9);
+	       }
+	       Tr = FMA(KP559016994, Tq, Tp);
+	       Tv = FNMS(KP559016994, Tq, Tp);
+	       Cr[WS(csr, 1)] = FNMS(KP951056516, Tk, Tj);
+	       Cr[WS(csr, 3)] = FMA(KP951056516, Tk, Tj);
+	       Cr[0] = FMA(KP951056516, Ti, Tb);
+	       Cr[WS(csr, 4)] = FNMS(KP951056516, Ti, Tb);
+	       Ci[WS(csi, 1)] = FNMS(KP951056516, Tw, Tv);
+	       Ci[WS(csi, 3)] = FMA(KP951056516, Tw, Tv);
+	       Ci[WS(csi, 4)] = FMS(KP951056516, Tu, Tr);
+	       Ci[0] = -(FMA(KP951056516, Tu, Tr));
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 10, "r2cfII_10", {14, 0, 18, 0}, &GENUS };
+
+void X(codelet_r2cfII_10) (planner *p) {
+     X(kr2c_register) (p, r2cfII_10, &desc);
+}
+
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 10 -name r2cfII_10 -dft-II -include r2cfII.h */
+
+/*
+ * This function contains 32 FP additions, 12 FP multiplications,
+ * (or, 26 additions, 6 multiplications, 6 fused multiply/add),
+ * 21 stack variables, 4 constants, and 20 memory accesses
+ */
+#include "r2cfII.h"
+
+static void r2cfII_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(KP587785252, +0.587785252292473129168705954639072768597652438);
+     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     {
+	  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 T1, To, T8, Tq, T9, Tp, Te, Ts, Th, Tn;
+	       T1 = R0[0];
+	       To = R1[WS(rs, 2)];
+	       {
+		    E T2, T3, T4, T5, T6, T7;
+		    T2 = R0[WS(rs, 2)];
+		    T3 = R0[WS(rs, 3)];
+		    T4 = T2 - T3;
+		    T5 = R0[WS(rs, 4)];
+		    T6 = R0[WS(rs, 1)];
+		    T7 = T5 - T6;
+		    T8 = T4 + T7;
+		    Tq = T5 + T6;
+		    T9 = KP559016994 * (T4 - T7);
+		    Tp = T2 + T3;
+	       }
+	       {
+		    E Tc, Td, Tm, Tf, Tg, Tl;
+		    Tc = R1[0];
+		    Td = R1[WS(rs, 4)];
+		    Tm = Tc + Td;
+		    Tf = R1[WS(rs, 1)];
+		    Tg = R1[WS(rs, 3)];
+		    Tl = Tf + Tg;
+		    Te = Tc - Td;
+		    Ts = KP559016994 * (Tm + Tl);
+		    Th = Tf - Tg;
+		    Tn = Tl - Tm;
+	       }
+	       Cr[WS(csr, 2)] = T1 + T8;
+	       Ci[WS(csi, 2)] = Tn - To;
+	       {
+		    E Ti, Tk, Tb, Tj, Ta;
+		    Ti = FMA(KP951056516, Te, KP587785252 * Th);
+		    Tk = FNMS(KP587785252, Te, KP951056516 * Th);
+		    Ta = FNMS(KP250000000, T8, T1);
+		    Tb = T9 + Ta;
+		    Tj = Ta - T9;
+		    Cr[WS(csr, 4)] = Tb - Ti;
+		    Cr[WS(csr, 3)] = Tj + Tk;
+		    Cr[0] = Tb + Ti;
+		    Cr[WS(csr, 1)] = Tj - Tk;
+	       }
+	       {
+		    E Tr, Tw, Tu, Tv, Tt;
+		    Tr = FMA(KP951056516, Tp, KP587785252 * Tq);
+		    Tw = FNMS(KP587785252, Tp, KP951056516 * Tq);
+		    Tt = FMA(KP250000000, Tn, To);
+		    Tu = Ts + Tt;
+		    Tv = Tt - Ts;
+		    Ci[0] = -(Tr + Tu);
+		    Ci[WS(csi, 3)] = Tw + Tv;
+		    Ci[WS(csi, 4)] = Tr - Tu;
+		    Ci[WS(csi, 1)] = Tv - Tw;
+	       }
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 10, "r2cfII_10", {26, 6, 6, 0}, &GENUS };
+
+void X(codelet_r2cfII_10) (planner *p) {
+     X(kr2c_register) (p, r2cfII_10, &desc);
+}
+
+#endif				/* HAVE_FMA */