diff src/fftw-3.3.3/rdft/scalar/r2r/e10_8.c @ 10:37bf6b4a2645

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/rdft/scalar/r2r/e10_8.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,190 @@
+/*
+ * 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 07:42:27 EST 2012 */
+
+#include "codelet-rdft.h"
+
+#ifdef HAVE_FMA
+
+/* Generated by: ../../../genfft/gen_r2r.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -redft10 -n 8 -name e10_8 -include r2r.h */
+
+/*
+ * This function contains 26 FP additions, 18 FP multiplications,
+ * (or, 16 additions, 8 multiplications, 10 fused multiply/add),
+ * 28 stack variables, 9 constants, and 16 memory accesses
+ */
+#include "r2r.h"
+
+static void e10_8(const R *I, R *O, stride is, stride os, INT v, INT ivs, INT ovs)
+{
+     DK(KP668178637, +0.668178637919298919997757686523080761552472251);
+     DK(KP1_662939224, +1.662939224605090474157576755235811513477121624);
+     DK(KP198912367, +0.198912367379658006911597622644676228597850501);
+     DK(KP1_961570560, +1.961570560806460898252364472268478073947867462);
+     DK(KP707106781, +0.707106781186547524400844362104849039284835938);
+     DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
+     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
+     DK(KP414213562, +0.414213562373095048801688724209698078569671875);
+     DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
+     {
+	  INT i;
+	  for (i = v; i > 0; i = i - 1, I = I + ivs, O = O + ovs, MAKE_VOLATILE_STRIDE(16, is), MAKE_VOLATILE_STRIDE(16, os)) {
+	       E T3, Te, Tl, Tp, Tm, T6, Tn, T9;
+	       {
+		    E T4, Tj, Tk, T5, T7, T8;
+		    {
+			 E T1, T2, Tc, Td;
+			 T1 = I[0];
+			 T2 = I[WS(is, 7)];
+			 Tc = I[WS(is, 4)];
+			 Td = I[WS(is, 3)];
+			 T4 = I[WS(is, 2)];
+			 Tj = T1 + T2;
+			 T3 = T1 - T2;
+			 Tk = Tc + Td;
+			 Te = Tc - Td;
+			 T5 = I[WS(is, 5)];
+			 T7 = I[WS(is, 1)];
+			 T8 = I[WS(is, 6)];
+		    }
+		    Tl = Tj - Tk;
+		    Tp = Tj + Tk;
+		    Tm = T4 + T5;
+		    T6 = T4 - T5;
+		    Tn = T7 + T8;
+		    T9 = T7 - T8;
+	       }
+	       {
+		    E Tg, Ti, Tb, Th;
+		    {
+			 E Tq, To, Ta, Tf;
+			 Tq = Tm + Tn;
+			 To = Tm - Tn;
+			 Ta = T6 + T9;
+			 Tf = T6 - T9;
+			 O[WS(os, 6)] = KP1_847759065 * (FMA(KP414213562, Tl, To));
+			 O[WS(os, 2)] = KP1_847759065 * (FNMS(KP414213562, To, Tl));
+			 O[0] = KP2_000000000 * (Tp + Tq);
+			 O[WS(os, 4)] = KP1_414213562 * (Tp - Tq);
+			 Tg = FNMS(KP707106781, Tf, Te);
+			 Ti = FMA(KP707106781, Tf, Te);
+			 Tb = FNMS(KP707106781, Ta, T3);
+			 Th = FMA(KP707106781, Ta, T3);
+		    }
+		    O[WS(os, 7)] = KP1_961570560 * (FMA(KP198912367, Th, Ti));
+		    O[WS(os, 1)] = KP1_961570560 * (FNMS(KP198912367, Ti, Th));
+		    O[WS(os, 5)] = -(KP1_662939224 * (FNMS(KP668178637, Tb, Tg)));
+		    O[WS(os, 3)] = KP1_662939224 * (FMA(KP668178637, Tg, Tb));
+	       }
+	  }
+     }
+}
+
+static const kr2r_desc desc = { 8, "e10_8", {16, 8, 10, 0}, &GENUS, REDFT10 };
+
+void X(codelet_e10_8) (planner *p) {
+     X(kr2r_register) (p, e10_8, &desc);
+}
+
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_r2r.native -compact -variables 4 -pipeline-latency 4 -redft10 -n 8 -name e10_8 -include r2r.h */
+
+/*
+ * This function contains 26 FP additions, 16 FP multiplications,
+ * (or, 20 additions, 10 multiplications, 6 fused multiply/add),
+ * 28 stack variables, 9 constants, and 16 memory accesses
+ */
+#include "r2r.h"
+
+static void e10_8(const R *I, R *O, stride is, stride os, INT v, INT ivs, INT ovs)
+{
+     DK(KP765366864, +0.765366864730179543456919968060797733522689125);
+     DK(KP1_847759065, +1.847759065022573512256366378793576573644833252);
+     DK(KP390180644, +0.390180644032256535696569736954044481855383236);
+     DK(KP1_961570560, +1.961570560806460898252364472268478073947867462);
+     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
+     DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
+     DK(KP1_111140466, +1.111140466039204449485661627897065748749874382);
+     DK(KP1_662939224, +1.662939224605090474157576755235811513477121624);
+     DK(KP707106781, +0.707106781186547524400844362104849039284835938);
+     {
+	  INT i;
+	  for (i = v; i > 0; i = i - 1, I = I + ivs, O = O + ovs, MAKE_VOLATILE_STRIDE(16, is), MAKE_VOLATILE_STRIDE(16, os)) {
+	       E T3, Tj, Tf, Tk, Ta, Tn, Tc, Tm;
+	       {
+		    E T1, T2, Td, Te;
+		    T1 = I[0];
+		    T2 = I[WS(is, 7)];
+		    T3 = T1 - T2;
+		    Tj = T1 + T2;
+		    Td = I[WS(is, 4)];
+		    Te = I[WS(is, 3)];
+		    Tf = Td - Te;
+		    Tk = Td + Te;
+		    {
+			 E T4, T5, T6, T7, T8, T9;
+			 T4 = I[WS(is, 2)];
+			 T5 = I[WS(is, 5)];
+			 T6 = T4 - T5;
+			 T7 = I[WS(is, 1)];
+			 T8 = I[WS(is, 6)];
+			 T9 = T7 - T8;
+			 Ta = KP707106781 * (T6 + T9);
+			 Tn = T7 + T8;
+			 Tc = KP707106781 * (T6 - T9);
+			 Tm = T4 + T5;
+		    }
+	       }
+	       {
+		    E Tb, Tg, Tp, Tq;
+		    Tb = T3 - Ta;
+		    Tg = Tc - Tf;
+		    O[WS(os, 3)] = FNMS(KP1_111140466, Tg, KP1_662939224 * Tb);
+		    O[WS(os, 5)] = FMA(KP1_662939224, Tg, KP1_111140466 * Tb);
+		    Tp = Tj + Tk;
+		    Tq = Tm + Tn;
+		    O[WS(os, 4)] = KP1_414213562 * (Tp - Tq);
+		    O[0] = KP2_000000000 * (Tp + Tq);
+	       }
+	       {
+		    E Th, Ti, Tl, To;
+		    Th = T3 + Ta;
+		    Ti = Tf + Tc;
+		    O[WS(os, 1)] = FNMS(KP390180644, Ti, KP1_961570560 * Th);
+		    O[WS(os, 7)] = FMA(KP1_961570560, Ti, KP390180644 * Th);
+		    Tl = Tj - Tk;
+		    To = Tm - Tn;
+		    O[WS(os, 2)] = FNMS(KP765366864, To, KP1_847759065 * Tl);
+		    O[WS(os, 6)] = FMA(KP765366864, Tl, KP1_847759065 * To);
+	       }
+	  }
+     }
+}
+
+static const kr2r_desc desc = { 8, "e10_8", {20, 10, 6, 0}, &GENUS, REDFT10 };
+
+void X(codelet_e10_8) (planner *p) {
+     X(kr2r_register) (p, e10_8, &desc);
+}
+
+#endif				/* HAVE_FMA */