diff src/fftw-3.3.3/rdft/scalar/r2cf/r2cf_14.c @ 95:89f5e221ed7b

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/rdft/scalar/r2cf/r2cf_14.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,262 @@
+/*
+ * 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 07:39:46 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 14 -name r2cf_14 -include r2cf.h */
+
+/*
+ * This function contains 62 FP additions, 36 FP multiplications,
+ * (or, 32 additions, 6 multiplications, 30 fused multiply/add),
+ * 45 stack variables, 6 constants, and 28 memory accesses
+ */
+#include "r2cf.h"
+
+static void r2cf_14(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP900968867, +0.900968867902419126236102319507445051165919162);
+     DK(KP692021471, +0.692021471630095869627814897002069140197260599);
+     DK(KP801937735, +0.801937735804838252472204639014890102331838324);
+     DK(KP974927912, +0.974927912181823607018131682993931217232785801);
+     DK(KP356895867, +0.356895867892209443894399510021300583399127187);
+     DK(KP554958132, +0.554958132087371191422194871006410481067288862);
+     {
+	  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(56, rs), MAKE_VOLATILE_STRIDE(56, csr), MAKE_VOLATILE_STRIDE(56, csi)) {
+	       E TN, T3, TG, TQ, Tx, To, TH, Td, TD, TO, Tw, Ta, TL, Ty, TT;
+	       E TI, Tg, Tr, Te, Tf, TP, TJ;
+	       {
+		    E Tl, TE, Tk, Tm;
+		    {
+			 E T1, T2, Ti, Tj;
+			 T1 = R0[0];
+			 T2 = R1[WS(rs, 3)];
+			 Ti = R0[WS(rs, 3)];
+			 Tj = R1[WS(rs, 6)];
+			 Tl = R0[WS(rs, 4)];
+			 TN = T1 + T2;
+			 T3 = T1 - T2;
+			 TE = Ti + Tj;
+			 Tk = Ti - Tj;
+			 Tm = R1[0];
+		    }
+		    {
+			 E T7, TC, T6, T8;
+			 {
+			      E T4, T5, TF, Tn;
+			      T4 = R0[WS(rs, 1)];
+			      T5 = R1[WS(rs, 4)];
+			      T7 = R0[WS(rs, 6)];
+			      TF = Tl + Tm;
+			      Tn = Tl - Tm;
+			      TC = T4 + T5;
+			      T6 = T4 - T5;
+			      TG = TE - TF;
+			      TQ = TE + TF;
+			      Tx = Tn - Tk;
+			      To = Tk + Tn;
+			      T8 = R1[WS(rs, 2)];
+			 }
+			 {
+			      E Tb, Tc, TB, T9;
+			      Tb = R0[WS(rs, 2)];
+			      Tc = R1[WS(rs, 5)];
+			      Te = R0[WS(rs, 5)];
+			      TB = T7 + T8;
+			      T9 = T7 - T8;
+			      TH = Tb + Tc;
+			      Td = Tb - Tc;
+			      TD = TB - TC;
+			      TO = TC + TB;
+			      Tw = T6 - T9;
+			      Ta = T6 + T9;
+			      Tf = R1[WS(rs, 1)];
+			 }
+		    }
+	       }
+	       TL = FNMS(KP554958132, TG, TD);
+	       Ty = FNMS(KP554958132, Tx, Tw);
+	       TT = FNMS(KP356895867, TO, TQ);
+	       TI = Te + Tf;
+	       Tg = Te - Tf;
+	       Tr = FNMS(KP356895867, Ta, To);
+	       TP = TH + TI;
+	       TJ = TH - TI;
+	       {
+		    E Th, Tv, TK, TM;
+		    Th = Td + Tg;
+		    Tv = Tg - Td;
+		    TK = FMA(KP554958132, TJ, TG);
+		    TM = FMA(KP554958132, TD, TJ);
+		    Ci[WS(csi, 6)] = KP974927912 * (FNMS(KP801937735, TL, TJ));
+		    {
+			 E TR, TV, TU, Tz;
+			 TR = FNMS(KP356895867, TQ, TP);
+			 TV = FNMS(KP356895867, TP, TO);
+			 TU = FNMS(KP692021471, TT, TP);
+			 Cr[0] = TN + TO + TP + TQ;
+			 Tz = FMA(KP554958132, Tv, Tx);
+			 Ci[WS(csi, 1)] = KP974927912 * (FNMS(KP801937735, Ty, Tv));
+			 {
+			      E TA, Ts, Tt, Tp;
+			      TA = FMA(KP554958132, Tw, Tv);
+			      Ts = FNMS(KP692021471, Tr, Th);
+			      Tt = FNMS(KP356895867, Th, Ta);
+			      Tp = FNMS(KP356895867, To, Th);
+			      Cr[WS(csr, 7)] = T3 + Ta + Th + To;
+			      Ci[WS(csi, 2)] = KP974927912 * (FMA(KP801937735, TK, TD));
+			      Ci[WS(csi, 4)] = KP974927912 * (FNMS(KP801937735, TM, TG));
+			      {
+				   E TS, TW, Tu, Tq;
+				   TS = FNMS(KP692021471, TR, TO);
+				   TW = FNMS(KP692021471, TV, TQ);
+				   Cr[WS(csr, 2)] = FNMS(KP900968867, TU, TN);
+				   Ci[WS(csi, 5)] = KP974927912 * (FMA(KP801937735, Tz, Tw));
+				   Ci[WS(csi, 3)] = KP974927912 * (FNMS(KP801937735, TA, Tx));
+				   Cr[WS(csr, 5)] = FNMS(KP900968867, Ts, T3);
+				   Tu = FNMS(KP692021471, Tt, To);
+				   Tq = FNMS(KP692021471, Tp, Ta);
+				   Cr[WS(csr, 4)] = FNMS(KP900968867, TS, TN);
+				   Cr[WS(csr, 6)] = FNMS(KP900968867, TW, TN);
+				   Cr[WS(csr, 1)] = FNMS(KP900968867, Tu, T3);
+				   Cr[WS(csr, 3)] = FNMS(KP900968867, Tq, T3);
+			      }
+			 }
+		    }
+	       }
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 14, "r2cf_14", {32, 6, 30, 0}, &GENUS };
+
+void X(codelet_r2cf_14) (planner *p) {
+     X(kr2c_register) (p, r2cf_14, &desc);
+}
+
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_r2cf.native -compact -variables 4 -pipeline-latency 4 -n 14 -name r2cf_14 -include r2cf.h */
+
+/*
+ * This function contains 62 FP additions, 36 FP multiplications,
+ * (or, 38 additions, 12 multiplications, 24 fused multiply/add),
+ * 29 stack variables, 6 constants, and 28 memory accesses
+ */
+#include "r2cf.h"
+
+static void r2cf_14(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP900968867, +0.900968867902419126236102319507445051165919162);
+     DK(KP222520933, +0.222520933956314404288902564496794759466355569);
+     DK(KP623489801, +0.623489801858733530525004884004239810632274731);
+     DK(KP433883739, +0.433883739117558120475768332848358754609990728);
+     DK(KP974927912, +0.974927912181823607018131682993931217232785801);
+     DK(KP781831482, +0.781831482468029808708444526674057750232334519);
+     {
+	  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(56, rs), MAKE_VOLATILE_STRIDE(56, csr), MAKE_VOLATILE_STRIDE(56, csi)) {
+	       E T3, TB, T6, Tv, Tn, Ts, Tk, Tt, Td, Ty, T9, Tw, Tg, Tz, T1;
+	       E T2;
+	       T1 = R0[0];
+	       T2 = R1[WS(rs, 3)];
+	       T3 = T1 - T2;
+	       TB = T1 + T2;
+	       {
+		    E T4, T5, Tl, Tm;
+		    T4 = R0[WS(rs, 2)];
+		    T5 = R1[WS(rs, 5)];
+		    T6 = T4 - T5;
+		    Tv = T4 + T5;
+		    Tl = R0[WS(rs, 6)];
+		    Tm = R1[WS(rs, 2)];
+		    Tn = Tl - Tm;
+		    Ts = Tl + Tm;
+	       }
+	       {
+		    E Ti, Tj, Tb, Tc;
+		    Ti = R0[WS(rs, 1)];
+		    Tj = R1[WS(rs, 4)];
+		    Tk = Ti - Tj;
+		    Tt = Ti + Tj;
+		    Tb = R0[WS(rs, 3)];
+		    Tc = R1[WS(rs, 6)];
+		    Td = Tb - Tc;
+		    Ty = Tb + Tc;
+	       }
+	       {
+		    E T7, T8, Te, Tf;
+		    T7 = R0[WS(rs, 5)];
+		    T8 = R1[WS(rs, 1)];
+		    T9 = T7 - T8;
+		    Tw = T7 + T8;
+		    Te = R0[WS(rs, 4)];
+		    Tf = R1[0];
+		    Tg = Te - Tf;
+		    Tz = Te + Tf;
+	       }
+	       {
+		    E Tp, Tr, Tq, Ta, To, Th;
+		    Tp = Tn - Tk;
+		    Tr = Tg - Td;
+		    Tq = T9 - T6;
+		    Ci[WS(csi, 1)] = FMA(KP781831482, Tp, KP974927912 * Tq) + (KP433883739 * Tr);
+		    Ci[WS(csi, 5)] = FMA(KP433883739, Tq, KP781831482 * Tr) - (KP974927912 * Tp);
+		    Ci[WS(csi, 3)] = FMA(KP433883739, Tp, KP974927912 * Tr) - (KP781831482 * Tq);
+		    Ta = T6 + T9;
+		    To = Tk + Tn;
+		    Th = Td + Tg;
+		    Cr[WS(csr, 3)] = FMA(KP623489801, Ta, T3) + FNMA(KP222520933, Th, KP900968867 * To);
+		    Cr[WS(csr, 7)] = T3 + To + Ta + Th;
+		    Cr[WS(csr, 1)] = FMA(KP623489801, To, T3) + FNMA(KP900968867, Th, KP222520933 * Ta);
+		    Cr[WS(csr, 5)] = FMA(KP623489801, Th, T3) + FNMA(KP900968867, Ta, KP222520933 * To);
+	       }
+	       {
+		    E Tu, TA, Tx, TC, TE, TD;
+		    Tu = Ts - Tt;
+		    TA = Ty - Tz;
+		    Tx = Tv - Tw;
+		    Ci[WS(csi, 2)] = FMA(KP974927912, Tu, KP433883739 * Tx) + (KP781831482 * TA);
+		    Ci[WS(csi, 6)] = FMA(KP974927912, Tx, KP433883739 * TA) - (KP781831482 * Tu);
+		    Ci[WS(csi, 4)] = FNMS(KP781831482, Tx, KP974927912 * TA) - (KP433883739 * Tu);
+		    TC = Tt + Ts;
+		    TE = Tv + Tw;
+		    TD = Ty + Tz;
+		    Cr[WS(csr, 6)] = FMA(KP623489801, TC, TB) + FNMA(KP900968867, TD, KP222520933 * TE);
+		    Cr[WS(csr, 2)] = FMA(KP623489801, TD, TB) + FNMA(KP900968867, TE, KP222520933 * TC);
+		    Cr[WS(csr, 4)] = FMA(KP623489801, TE, TB) + FNMA(KP222520933, TD, KP900968867 * TC);
+		    Cr[0] = TB + TC + TE + TD;
+	       }
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 14, "r2cf_14", {38, 12, 24, 0}, &GENUS };
+
+void X(codelet_r2cf_14) (planner *p) {
+     X(kr2c_register) (p, r2cf_14, &desc);
+}
+
+#endif				/* HAVE_FMA */