diff src/fftw-3.3.3/rdft/scalar/r2cb/r2cb_12.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_12.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,216 @@
+/*
+ * 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 12 -name r2cb_12 -include r2cb.h */
+
+/*
+ * This function contains 38 FP additions, 16 FP multiplications,
+ * (or, 22 additions, 0 multiplications, 16 fused multiply/add),
+ * 31 stack variables, 2 constants, and 24 memory accesses
+ */
+#include "r2cb.h"
+
+static void r2cb_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
+     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
+     {
+	  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(48, rs), MAKE_VOLATILE_STRIDE(48, csr), MAKE_VOLATILE_STRIDE(48, csi)) {
+	       E Ts, Tr;
+	       {
+		    E Tz, Te, Tn, Tk, Tc, Tw, Ty, Th, T4, T3, Td, T5;
+		    {
+			 E T8, Tu, Tl, Tm, Tb, T9, Ta, T1, T2, Tv;
+			 T8 = Cr[WS(csr, 3)];
+			 T9 = Cr[WS(csr, 5)];
+			 Ta = Cr[WS(csr, 1)];
+			 Tu = Ci[WS(csi, 3)];
+			 Tl = Ci[WS(csi, 5)];
+			 Tm = Ci[WS(csi, 1)];
+			 Tb = T9 + Ta;
+			 Tz = T9 - Ta;
+			 Te = Ci[WS(csi, 4)];
+			 Tn = Tl - Tm;
+			 Tv = Tl + Tm;
+			 Tk = FNMS(KP2_000000000, T8, Tb);
+			 Tc = T8 + Tb;
+			 T1 = Cr[0];
+			 T2 = Cr[WS(csr, 4)];
+			 Tw = Tu - Tv;
+			 Ty = FMA(KP2_000000000, Tu, Tv);
+			 Th = Ci[WS(csi, 2)];
+			 T4 = Cr[WS(csr, 6)];
+			 T3 = FMA(KP2_000000000, T2, T1);
+			 Td = T1 - T2;
+			 T5 = Cr[WS(csr, 2)];
+		    }
+		    {
+			 E To, Tp, Tf, Tg, T6, TA, TC;
+			 To = FMA(KP1_732050807, Tn, Tk);
+			 Ts = FNMS(KP1_732050807, Tn, Tk);
+			 Tp = FNMS(KP1_732050807, Te, Td);
+			 Tf = FMA(KP1_732050807, Te, Td);
+			 Tg = T4 - T5;
+			 T6 = FMA(KP2_000000000, T5, T4);
+			 TA = FMA(KP1_732050807, Tz, Ty);
+			 TC = FNMS(KP1_732050807, Tz, Ty);
+			 {
+			      E Tt, T7, Ti, Tq, Tj, TB, Tx;
+			      Tt = T3 - T6;
+			      T7 = T3 + T6;
+			      Ti = FNMS(KP1_732050807, Th, Tg);
+			      Tq = FMA(KP1_732050807, Th, Tg);
+			      R0[0] = FMA(KP2_000000000, Tc, T7);
+			      R0[WS(rs, 3)] = FNMS(KP2_000000000, Tc, T7);
+			      Tj = Tf + Ti;
+			      TB = Tf - Ti;
+			      Tr = Tp + Tq;
+			      Tx = Tp - Tq;
+			      R1[WS(rs, 5)] = TB + TC;
+			      R1[WS(rs, 2)] = TB - TC;
+			      R0[WS(rs, 4)] = Tj - To;
+			      R0[WS(rs, 1)] = Tj + To;
+			      R1[WS(rs, 3)] = Tx + TA;
+			      R1[0] = Tx - TA;
+			      R1[WS(rs, 4)] = FNMS(KP2_000000000, Tw, Tt);
+			      R1[WS(rs, 1)] = FMA(KP2_000000000, Tw, Tt);
+			 }
+		    }
+	       }
+	       R0[WS(rs, 2)] = Tr - Ts;
+	       R0[WS(rs, 5)] = Tr + Ts;
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 12, "r2cb_12", {22, 0, 16, 0}, &GENUS };
+
+void X(codelet_r2cb_12) (planner *p) {
+     X(kr2c_register) (p, r2cb_12, &desc);
+}
+
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 12 -name r2cb_12 -include r2cb.h */
+
+/*
+ * This function contains 38 FP additions, 10 FP multiplications,
+ * (or, 34 additions, 6 multiplications, 4 fused multiply/add),
+ * 25 stack variables, 2 constants, and 24 memory accesses
+ */
+#include "r2cb.h"
+
+static void r2cb_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
+     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
+     {
+	  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(48, rs), MAKE_VOLATILE_STRIDE(48, csr), MAKE_VOLATILE_STRIDE(48, csi)) {
+	       E T8, Tb, Tm, TA, Tw, Tx, Tp, TB, T3, Tr, Tg, T6, Ts, Tk;
+	       {
+		    E T9, Ta, Tn, To;
+		    T8 = Cr[WS(csr, 3)];
+		    T9 = Cr[WS(csr, 5)];
+		    Ta = Cr[WS(csr, 1)];
+		    Tb = T9 + Ta;
+		    Tm = FMS(KP2_000000000, T8, Tb);
+		    TA = KP1_732050807 * (T9 - Ta);
+		    Tw = Ci[WS(csi, 3)];
+		    Tn = Ci[WS(csi, 5)];
+		    To = Ci[WS(csi, 1)];
+		    Tx = Tn + To;
+		    Tp = KP1_732050807 * (Tn - To);
+		    TB = FMA(KP2_000000000, Tw, Tx);
+	       }
+	       {
+		    E Tf, T1, T2, Td, Te;
+		    Te = Ci[WS(csi, 4)];
+		    Tf = KP1_732050807 * Te;
+		    T1 = Cr[0];
+		    T2 = Cr[WS(csr, 4)];
+		    Td = T1 - T2;
+		    T3 = FMA(KP2_000000000, T2, T1);
+		    Tr = Td - Tf;
+		    Tg = Td + Tf;
+	       }
+	       {
+		    E Tj, T4, T5, Th, Ti;
+		    Ti = Ci[WS(csi, 2)];
+		    Tj = KP1_732050807 * Ti;
+		    T4 = Cr[WS(csr, 6)];
+		    T5 = Cr[WS(csr, 2)];
+		    Th = T4 - T5;
+		    T6 = FMA(KP2_000000000, T5, T4);
+		    Ts = Th + Tj;
+		    Tk = Th - Tj;
+	       }
+	       {
+		    E T7, Tc, Tz, TC;
+		    T7 = T3 + T6;
+		    Tc = KP2_000000000 * (T8 + Tb);
+		    R0[WS(rs, 3)] = T7 - Tc;
+		    R0[0] = T7 + Tc;
+		    {
+			 E Tl, Tq, TD, TE;
+			 Tl = Tg + Tk;
+			 Tq = Tm - Tp;
+			 R0[WS(rs, 1)] = Tl - Tq;
+			 R0[WS(rs, 4)] = Tl + Tq;
+			 TD = Tg - Tk;
+			 TE = TB - TA;
+			 R1[WS(rs, 2)] = TD - TE;
+			 R1[WS(rs, 5)] = TD + TE;
+		    }
+		    Tz = Tr - Ts;
+		    TC = TA + TB;
+		    R1[0] = Tz - TC;
+		    R1[WS(rs, 3)] = Tz + TC;
+		    {
+			 E Tv, Ty, Tt, Tu;
+			 Tv = T3 - T6;
+			 Ty = KP2_000000000 * (Tw - Tx);
+			 R1[WS(rs, 4)] = Tv - Ty;
+			 R1[WS(rs, 1)] = Tv + Ty;
+			 Tt = Tr + Ts;
+			 Tu = Tm + Tp;
+			 R0[WS(rs, 5)] = Tt - Tu;
+			 R0[WS(rs, 2)] = Tt + Tu;
+		    }
+	       }
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 12, "r2cb_12", {34, 6, 4, 0}, &GENUS };
+
+void X(codelet_r2cb_12) (planner *p) {
+     X(kr2c_register) (p, r2cb_12, &desc);
+}
+
+#endif				/* HAVE_FMA */