diff src/fftw-3.3.3/rdft/scalar/r2cf/hc2cfdft_6.c @ 95:89f5e221ed7b

Add FFTW3

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.3/rdft/scalar/r2cf/hc2cfdft_6.c	Wed Mar 20 15:35:50 2013 +0000
@@ -0,0 +1,330 @@
+/*
+ * 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 07:40:44 EST 2012 */
+
+#include "codelet-rdft.h"
+
+#ifdef HAVE_FMA
+
+/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -reorder-insns -schedule-for-pipeline -compact -variables 4 -pipeline-latency 4 -n 6 -dit -name hc2cfdft_6 -include hc2cf.h */
+
+/*
+ * This function contains 58 FP additions, 44 FP multiplications,
+ * (or, 36 additions, 22 multiplications, 22 fused multiply/add),
+ * 42 stack variables, 2 constants, and 24 memory accesses
+ */
+#include "hc2cf.h"
+
+static void hc2cfdft_6(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DK(KP866025403, +0.866025403784438646763723170752936183471402627);
+     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+     {
+	  INT m;
+	  for (m = mb, W = W + ((mb - 1) * 10); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 10, MAKE_VOLATILE_STRIDE(24, rs)) {
+	       E TP, TT, TN, TM, TY, T13;
+	       {
+		    E T3, TQ, TJ, T12, Tu, TB, TX, T10, Tj, Tf, Ti, Td, Th, TU, TS;
+		    {
+			 E TC, TI, TF, TH, TA, Tw, TZ;
+			 {
+			      E T1, T2, TD, TE;
+			      T1 = Ip[0];
+			      T2 = Im[0];
+			      TD = Rm[0];
+			      TE = Rp[0];
+			      TC = W[0];
+			      T3 = T1 - T2;
+			      TI = T1 + T2;
+			      TQ = TE + TD;
+			      TF = TD - TE;
+			      TH = W[1];
+			 }
+			 {
+			      E Tr, To, Ts, Tl, Tq;
+			      {
+				   E Tm, Tn, TG, T11;
+				   Tm = Rm[WS(rs, 2)];
+				   Tn = Rp[WS(rs, 2)];
+				   TG = TC * TF;
+				   T11 = TH * TF;
+				   Tr = Ip[WS(rs, 2)];
+				   TA = Tn + Tm;
+				   To = Tm - Tn;
+				   TJ = FNMS(TH, TI, TG);
+				   T12 = FMA(TC, TI, T11);
+				   Ts = Im[WS(rs, 2)];
+			      }
+			      Tl = W[8];
+			      Tq = W[9];
+			      {
+				   E Tz, Ty, TW, Tx, Tt, Tp;
+				   Tw = W[6];
+				   Tx = Tr - Ts;
+				   Tt = Tr + Ts;
+				   Tp = Tl * To;
+				   Tz = W[7];
+				   Ty = Tw * Tx;
+				   TW = Tl * Tt;
+				   Tu = FNMS(Tq, Tt, Tp);
+				   TZ = Tz * Tx;
+				   TB = FNMS(Tz, TA, Ty);
+				   TX = FMA(Tq, To, TW);
+			      }
+			 }
+			 {
+			      E T5, T6, Ta, Tb;
+			      T5 = Ip[WS(rs, 1)];
+			      T10 = FMA(Tw, TA, TZ);
+			      T6 = Im[WS(rs, 1)];
+			      Ta = Rp[WS(rs, 1)];
+			      Tb = Rm[WS(rs, 1)];
+			      {
+				   E T4, Tg, T7, Tc, T9, T8, TR;
+				   T4 = W[5];
+				   Tg = T5 - T6;
+				   T7 = T5 + T6;
+				   Tj = Ta + Tb;
+				   Tc = Ta - Tb;
+				   T9 = W[4];
+				   T8 = T4 * T7;
+				   Tf = W[2];
+				   Ti = W[3];
+				   TR = T9 * T7;
+				   Td = FMA(T9, Tc, T8);
+				   Th = Tf * Tg;
+				   TU = Ti * Tg;
+				   TS = FNMS(T4, Tc, TR);
+			      }
+			 }
+		    }
+		    {
+			 E Te, T1d, TK, Tv, T1a, T1b, Tk, TV;
+			 TP = Td + T3;
+			 Te = T3 - Td;
+			 Tk = FNMS(Ti, Tj, Th);
+			 TV = FMA(Tf, Tj, TU);
+			 T1d = TQ + TS;
+			 TT = TQ - TS;
+			 TN = TJ - TB;
+			 TK = TB + TJ;
+			 Tv = Tk + Tu;
+			 TM = Tu - Tk;
+			 TY = TV - TX;
+			 T1a = TV + TX;
+			 T1b = T10 + T12;
+			 T13 = T10 - T12;
+			 {
+			      E T1g, TL, T1e, T1c, T19, T1f;
+			      T1g = Tv - TK;
+			      TL = Tv + TK;
+			      T1e = T1a + T1b;
+			      T1c = T1a - T1b;
+			      T19 = FNMS(KP500000000, TL, Te);
+			      Ip[0] = KP500000000 * (Te + TL);
+			      T1f = FNMS(KP500000000, T1e, T1d);
+			      Rp[0] = KP500000000 * (T1d + T1e);
+			      Im[WS(rs, 1)] = -(KP500000000 * (FNMS(KP866025403, T1c, T19)));
+			      Ip[WS(rs, 2)] = KP500000000 * (FMA(KP866025403, T1c, T19));
+			      Rm[WS(rs, 1)] = KP500000000 * (FMA(KP866025403, T1g, T1f));
+			      Rp[WS(rs, 2)] = KP500000000 * (FNMS(KP866025403, T1g, T1f));
+			 }
+		    }
+	       }
+	       {
+		    E TO, T16, T14, T18, T17, T15;
+		    TO = TM + TN;
+		    T16 = TN - TM;
+		    T14 = TY + T13;
+		    T18 = T13 - TY;
+		    T17 = FMA(KP500000000, TO, TP);
+		    Im[WS(rs, 2)] = KP500000000 * (TO - TP);
+		    T15 = FNMS(KP500000000, T14, TT);
+		    Rm[WS(rs, 2)] = KP500000000 * (TT + T14);
+		    Im[0] = -(KP500000000 * (FNMS(KP866025403, T18, T17)));
+		    Ip[WS(rs, 1)] = KP500000000 * (FMA(KP866025403, T18, T17));
+		    Rm[0] = KP500000000 * (FNMS(KP866025403, T16, T15));
+		    Rp[WS(rs, 1)] = KP500000000 * (FMA(KP866025403, T16, T15));
+	       }
+	  }
+     }
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 1, 6},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2c_desc desc = { 6, "hc2cfdft_6", twinstr, &GENUS, {36, 22, 22, 0} };
+
+void X(codelet_hc2cfdft_6) (planner *p) {
+     X(khc2c_register) (p, hc2cfdft_6, &desc, HC2C_VIA_DFT);
+}
+#else				/* HAVE_FMA */
+
+/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -n 6 -dit -name hc2cfdft_6 -include hc2cf.h */
+
+/*
+ * This function contains 58 FP additions, 36 FP multiplications,
+ * (or, 44 additions, 22 multiplications, 14 fused multiply/add),
+ * 40 stack variables, 3 constants, and 24 memory accesses
+ */
+#include "hc2cf.h"
+
+static void hc2cfdft_6(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
+{
+     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+     DK(KP433012701, +0.433012701892219323381861585376468091735701313);
+     {
+	  INT m;
+	  for (m = mb, W = W + ((mb - 1) * 10); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 10, MAKE_VOLATILE_STRIDE(24, rs)) {
+	       E T3, TM, Tc, TN, Ts, T10, TI, TR, TF, T11, TH, TU;
+	       {
+		    E T1, T2, TD, Tz, TA, TB, T7, Tf, Tb, Th, Tq, Tw, Tm, Tu, T4;
+		    E T8;
+		    {
+			 E T5, T6, T9, Ta;
+			 T1 = Ip[0];
+			 T2 = Im[0];
+			 TD = T1 + T2;
+			 Tz = Rm[0];
+			 TA = Rp[0];
+			 TB = Tz - TA;
+			 T5 = Ip[WS(rs, 1)];
+			 T6 = Im[WS(rs, 1)];
+			 T7 = T5 + T6;
+			 Tf = T5 - T6;
+			 T9 = Rp[WS(rs, 1)];
+			 Ta = Rm[WS(rs, 1)];
+			 Tb = T9 - Ta;
+			 Th = T9 + Ta;
+			 {
+			      E To, Tp, Tk, Tl;
+			      To = Rp[WS(rs, 2)];
+			      Tp = Rm[WS(rs, 2)];
+			      Tq = To - Tp;
+			      Tw = To + Tp;
+			      Tk = Ip[WS(rs, 2)];
+			      Tl = Im[WS(rs, 2)];
+			      Tm = Tk + Tl;
+			      Tu = Tk - Tl;
+			 }
+		    }
+		    T3 = T1 - T2;
+		    TM = TA + Tz;
+		    T4 = W[5];
+		    T8 = W[4];
+		    Tc = FMA(T4, T7, T8 * Tb);
+		    TN = FNMS(T4, Tb, T8 * T7);
+		    {
+			 E Ti, TP, Tr, TQ;
+			 {
+			      E Te, Tg, Tj, Tn;
+			      Te = W[2];
+			      Tg = W[3];
+			      Ti = FNMS(Tg, Th, Te * Tf);
+			      TP = FMA(Tg, Tf, Te * Th);
+			      Tj = W[9];
+			      Tn = W[8];
+			      Tr = FMA(Tj, Tm, Tn * Tq);
+			      TQ = FNMS(Tj, Tq, Tn * Tm);
+			 }
+			 Ts = Ti - Tr;
+			 T10 = TP + TQ;
+			 TI = Ti + Tr;
+			 TR = TP - TQ;
+		    }
+		    {
+			 E Tx, TS, TE, TT;
+			 {
+			      E Tt, Tv, Ty, TC;
+			      Tt = W[6];
+			      Tv = W[7];
+			      Tx = FNMS(Tv, Tw, Tt * Tu);
+			      TS = FMA(Tv, Tu, Tt * Tw);
+			      Ty = W[0];
+			      TC = W[1];
+			      TE = FNMS(TC, TD, Ty * TB);
+			      TT = FMA(TC, TB, Ty * TD);
+			 }
+			 TF = Tx + TE;
+			 T11 = TS + TT;
+			 TH = TE - Tx;
+			 TU = TS - TT;
+		    }
+	       }
+	       {
+		    E T12, Td, TG, TZ;
+		    T12 = KP433012701 * (T10 - T11);
+		    Td = T3 - Tc;
+		    TG = Ts + TF;
+		    TZ = FNMS(KP250000000, TG, KP500000000 * Td);
+		    Ip[0] = KP500000000 * (Td + TG);
+		    Im[WS(rs, 1)] = T12 - TZ;
+		    Ip[WS(rs, 2)] = TZ + T12;
+	       }
+	       {
+		    E T16, T13, T14, T15;
+		    T16 = KP433012701 * (Ts - TF);
+		    T13 = TM + TN;
+		    T14 = T10 + T11;
+		    T15 = FNMS(KP250000000, T14, KP500000000 * T13);
+		    Rp[WS(rs, 2)] = T15 - T16;
+		    Rp[0] = KP500000000 * (T13 + T14);
+		    Rm[WS(rs, 1)] = T16 + T15;
+	       }
+	       {
+		    E TY, TJ, TK, TX;
+		    TY = KP433012701 * (TU - TR);
+		    TJ = TH - TI;
+		    TK = Tc + T3;
+		    TX = FMA(KP500000000, TK, KP250000000 * TJ);
+		    Im[WS(rs, 2)] = KP500000000 * (TJ - TK);
+		    Im[0] = TY - TX;
+		    Ip[WS(rs, 1)] = TX + TY;
+	       }
+	       {
+		    E TL, TO, TV, TW;
+		    TL = KP433012701 * (TI + TH);
+		    TO = TM - TN;
+		    TV = TR + TU;
+		    TW = FNMS(KP250000000, TV, KP500000000 * TO);
+		    Rp[WS(rs, 1)] = TL + TW;
+		    Rm[WS(rs, 2)] = KP500000000 * (TO + TV);
+		    Rm[0] = TW - TL;
+	       }
+	  }
+     }
+}
+
+static const tw_instr twinstr[] = {
+     {TW_FULL, 1, 6},
+     {TW_NEXT, 1, 0}
+};
+
+static const hc2c_desc desc = { 6, "hc2cfdft_6", twinstr, &GENUS, {44, 22, 14, 0} };
+
+void X(codelet_hc2cfdft_6) (planner *p) {
+     X(khc2c_register) (p, hc2cfdft_6, &desc, HC2C_VIA_DFT);
+}
+#endif				/* HAVE_FMA */