diff src/fftw-3.3.3/rdft/scalar/r2cb/r2cb_7.c @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/rdft/scalar/r2cb/r2cb_7.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,150 @@
+/*
+ * 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 07:41:07 EST 2012 */
+
+#include "codelet-rdft.h"
+
+#ifdef HAVE_FMA
+
+/* Generated by: ../../../genfft/gen_r2cb.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -sign 1 -n 7 -name r2cb_7 -include r2cb.h */
+
+/*
+ * This function contains 24 FP additions, 22 FP multiplications,
+ * (or, 2 additions, 0 multiplications, 22 fused multiply/add),
+ * 31 stack variables, 7 constants, and 14 memory accesses
+ */
+#include "r2cb.h"
+
+static void r2cb_7(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP1_949855824, +1.949855824363647214036263365987862434465571601);
+     DK(KP1_801937735, +1.801937735804838252472204639014890102331838324);
+     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
+     DK(KP692021471, +0.692021471630095869627814897002069140197260599);
+     DK(KP801937735, +0.801937735804838252472204639014890102331838324);
+     DK(KP356895867, +0.356895867892209443894399510021300583399127187);
+     DK(KP554958132, +0.554958132087371191422194871006410481067288862);
+     {
+	  INT i;
+	  for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(28, rs), MAKE_VOLATILE_STRIDE(28, csr), MAKE_VOLATILE_STRIDE(28, csi)) {
+	       E Tn, Td, Tg, Ti, Tl, T8;
+	       {
+		    E T1, T9, Tb, Ta, T2, T4, Th, Tm, Tc, T3, Te;
+		    T1 = Cr[0];
+		    T9 = Ci[WS(csi, 2)];
+		    Tb = Ci[WS(csi, 3)];
+		    Ta = Ci[WS(csi, 1)];
+		    T2 = Cr[WS(csr, 1)];
+		    T4 = Cr[WS(csr, 3)];
+		    Th = FMA(KP554958132, T9, Tb);
+		    Tm = FMS(KP554958132, Ta, T9);
+		    Tc = FMA(KP554958132, Tb, Ta);
+		    T3 = Cr[WS(csr, 2)];
+		    Te = FNMS(KP356895867, T2, T4);
+		    Tn = FMA(KP801937735, Tm, Tb);
+		    {
+			 E Tf, Tk, T7, T5, Tj, T6;
+			 Td = FMA(KP801937735, Tc, T9);
+			 T5 = T2 + T3 + T4;
+			 Tj = FNMS(KP356895867, T4, T3);
+			 T6 = FNMS(KP356895867, T3, T2);
+			 Tf = FNMS(KP692021471, Te, T3);
+			 R0[0] = FMA(KP2_000000000, T5, T1);
+			 Tk = FNMS(KP692021471, Tj, T2);
+			 T7 = FNMS(KP692021471, T6, T4);
+			 Tg = FNMS(KP1_801937735, Tf, T1);
+			 Ti = FNMS(KP801937735, Th, Ta);
+			 Tl = FNMS(KP1_801937735, Tk, T1);
+			 T8 = FNMS(KP1_801937735, T7, T1);
+		    }
+	       }
+	       R1[WS(rs, 2)] = FMA(KP1_949855824, Ti, Tg);
+	       R0[WS(rs, 1)] = FNMS(KP1_949855824, Ti, Tg);
+	       R0[WS(rs, 2)] = FMA(KP1_949855824, Tn, Tl);
+	       R1[WS(rs, 1)] = FNMS(KP1_949855824, Tn, Tl);
+	       R0[WS(rs, 3)] = FMA(KP1_949855824, Td, T8);
+	       R1[0] = FNMS(KP1_949855824, Td, T8);
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 7, "r2cb_7", {2, 0, 22, 0}, &GENUS };
+
+void X(codelet_r2cb_7) (planner *p) {
+     X(kr2c_register) (p, r2cb_7, &desc);
+}
+
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 7 -name r2cb_7 -include r2cb.h */
+
+/*
+ * This function contains 24 FP additions, 19 FP multiplications,
+ * (or, 11 additions, 6 multiplications, 13 fused multiply/add),
+ * 21 stack variables, 7 constants, and 14 memory accesses
+ */
+#include "r2cb.h"
+
+static void r2cb_7(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
+     DK(KP1_801937735, +1.801937735804838252472204639014890102331838324);
+     DK(KP445041867, +0.445041867912628808577805128993589518932711138);
+     DK(KP1_246979603, +1.246979603717467061050009768008479621264549462);
+     DK(KP867767478, +0.867767478235116240951536665696717509219981456);
+     DK(KP1_949855824, +1.949855824363647214036263365987862434465571601);
+     DK(KP1_563662964, +1.563662964936059617416889053348115500464669037);
+     {
+	  INT i;
+	  for (i = v; i > 0; i = i - 1, R0 = R0 + ovs, R1 = R1 + ovs, Cr = Cr + ivs, Ci = Ci + ivs, MAKE_VOLATILE_STRIDE(28, rs), MAKE_VOLATILE_STRIDE(28, csr), MAKE_VOLATILE_STRIDE(28, csi)) {
+	       E T9, Td, Tb, T1, T4, T2, T3, T5, Tc, Ta, T6, T8, T7;
+	       T6 = Ci[WS(csi, 2)];
+	       T8 = Ci[WS(csi, 1)];
+	       T7 = Ci[WS(csi, 3)];
+	       T9 = FNMS(KP1_949855824, T7, KP1_563662964 * T6) - (KP867767478 * T8);
+	       Td = FMA(KP867767478, T6, KP1_563662964 * T7) - (KP1_949855824 * T8);
+	       Tb = FMA(KP1_563662964, T8, KP1_949855824 * T6) + (KP867767478 * T7);
+	       T1 = Cr[0];
+	       T4 = Cr[WS(csr, 3)];
+	       T2 = Cr[WS(csr, 1)];
+	       T3 = Cr[WS(csr, 2)];
+	       T5 = FMA(KP1_246979603, T3, T1) + FNMA(KP445041867, T4, KP1_801937735 * T2);
+	       Tc = FMA(KP1_246979603, T4, T1) + FNMA(KP1_801937735, T3, KP445041867 * T2);
+	       Ta = FMA(KP1_246979603, T2, T1) + FNMA(KP1_801937735, T4, KP445041867 * T3);
+	       R0[WS(rs, 2)] = T5 - T9;
+	       R1[WS(rs, 1)] = T5 + T9;
+	       R0[WS(rs, 1)] = Tc + Td;
+	       R1[WS(rs, 2)] = Tc - Td;
+	       R0[WS(rs, 3)] = Ta + Tb;
+	       R1[0] = Ta - Tb;
+	       R0[0] = FMA(KP2_000000000, T2 + T3 + T4, T1);
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 7, "r2cb_7", {11, 6, 13, 0}, &GENUS };
+
+void X(codelet_r2cb_7) (planner *p) {
+     X(kr2c_register) (p, r2cb_7, &desc);
+}
+
+#endif				/* HAVE_FMA */