diff src/fftw-3.3.8/rdft/scalar/r2cb/r2cbIII_15.c @ 167:bd3cc4d1df30

Add FFTW 3.3.8 source, and a Linux build

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/fftw-3.3.8/rdft/scalar/r2cb/r2cbIII_15.c	Tue Nov 19 14:52:55 2019 +0000
@@ -0,0 +1,305 @@
+/*
+ * Copyright (c) 2003, 2007-14 Matteo Frigo
+ * Copyright (c) 2003, 2007-14 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 Thu May 24 08:07:44 EDT 2018 */
+
+#include "rdft/codelet-rdft.h"
+
+#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
+
+/* Generated by: ../../../genfft/gen_r2cb.native -fma -compact -variables 4 -pipeline-latency 4 -sign 1 -n 15 -name r2cbIII_15 -dft-III -include rdft/scalar/r2cbIII.h */
+
+/*
+ * This function contains 64 FP additions, 43 FP multiplications,
+ * (or, 21 additions, 0 multiplications, 43 fused multiply/add),
+ * 42 stack variables, 9 constants, and 30 memory accesses
+ */
+#include "rdft/scalar/r2cbIII.h"
+
+static void r2cbIII_15(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
+{
+     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DK(KP1_902113032, +1.902113032590307144232878666758764286811397268);
+     DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
+     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DK(KP1_118033988, +1.118033988749894848204586834365638117720309180);
+     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
+     DK(KP618033988, +0.618033988749894848204586834365638117720309180);
+     {
+	  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(60, rs), MAKE_VOLATILE_STRIDE(60, csr), MAKE_VOLATILE_STRIDE(60, csi)) {
+	       E Tk, TA, T5, Th, Tz, T6, Tn, TX, TR, Td, Tm, TI, Tv, TN, TD;
+	       E TL, TM, Ti, Tj, T12, Te, T11;
+	       Ti = Ci[WS(csi, 4)];
+	       Tj = Ci[WS(csi, 1)];
+	       Tk = FMA(KP618033988, Tj, Ti);
+	       TA = FNMS(KP618033988, Ti, Tj);
+	       {
+		    E T1, T4, Tg, T2, T3, Tf;
+		    T1 = Cr[WS(csr, 7)];
+		    T2 = Cr[WS(csr, 4)];
+		    T3 = Cr[WS(csr, 1)];
+		    T4 = T2 + T3;
+		    Tg = T2 - T3;
+		    T5 = FMA(KP2_000000000, T4, T1);
+		    Tf = FNMS(KP500000000, T4, T1);
+		    Th = FMA(KP1_118033988, Tg, Tf);
+		    Tz = FNMS(KP1_118033988, Tg, Tf);
+	       }
+	       {
+		    E Tc, TP, T9, TQ;
+		    T6 = Cr[WS(csr, 2)];
+		    {
+			 E Ta, Tb, T7, T8;
+			 Ta = Cr[WS(csr, 3)];
+			 Tb = Cr[WS(csr, 6)];
+			 Tc = Ta + Tb;
+			 TP = Ta - Tb;
+			 T7 = Cr[0];
+			 T8 = Cr[WS(csr, 5)];
+			 T9 = T7 + T8;
+			 TQ = T7 - T8;
+		    }
+		    Tn = T9 - Tc;
+		    TX = FMA(KP618033988, TP, TQ);
+		    TR = FNMS(KP618033988, TQ, TP);
+		    Td = T9 + Tc;
+		    Tm = FNMS(KP250000000, Td, T6);
+	       }
+	       {
+		    E Tu, TK, Tr, TJ;
+		    TI = Ci[WS(csi, 2)];
+		    {
+			 E Ts, Tt, Tp, Tq;
+			 Ts = Ci[WS(csi, 3)];
+			 Tt = Ci[WS(csi, 6)];
+			 Tu = Ts - Tt;
+			 TK = Ts + Tt;
+			 Tp = Ci[0];
+			 Tq = Ci[WS(csi, 5)];
+			 Tr = Tp + Tq;
+			 TJ = Tq - Tp;
+		    }
+		    Tv = FMA(KP618033988, Tu, Tr);
+		    TN = TJ + TK;
+		    TD = FNMS(KP618033988, Tr, Tu);
+		    TL = TJ - TK;
+		    TM = FNMS(KP250000000, TL, TI);
+	       }
+	       T12 = TL + TI;
+	       Te = T6 + Td;
+	       T11 = Te - T5;
+	       R0[0] = FMA(KP2_000000000, Te, T5);
+	       R0[WS(rs, 5)] = FMS(KP1_732050807, T12, T11);
+	       R1[WS(rs, 2)] = FMA(KP1_732050807, T12, T11);
+	       {
+		    E TB, TF, TE, TG, TS, TU, TC, TO, TH, TT;
+		    TB = FNMS(KP1_902113032, TA, Tz);
+		    TF = FMA(KP1_902113032, TA, Tz);
+		    TC = FNMS(KP559016994, Tn, Tm);
+		    TE = FMA(KP951056516, TD, TC);
+		    TG = FNMS(KP951056516, TD, TC);
+		    TO = FNMS(KP559016994, TN, TM);
+		    TS = FMA(KP951056516, TR, TO);
+		    TU = FNMS(KP951056516, TR, TO);
+		    R0[WS(rs, 6)] = FMA(KP2_000000000, TE, TB);
+		    R1[WS(rs, 1)] = -(FMA(KP2_000000000, TG, TF));
+		    TH = TB - TE;
+		    R0[WS(rs, 1)] = FNMS(KP1_732050807, TS, TH);
+		    R1[WS(rs, 3)] = -(FMA(KP1_732050807, TS, TH));
+		    TT = TF - TG;
+		    R0[WS(rs, 4)] = FNMS(KP1_732050807, TU, TT);
+		    R1[WS(rs, 6)] = -(FMA(KP1_732050807, TU, TT));
+	       }
+	       {
+		    E Tl, Tx, Tw, Ty, TY, T10, To, TW, TV, TZ;
+		    Tl = FNMS(KP1_902113032, Tk, Th);
+		    Tx = FMA(KP1_902113032, Tk, Th);
+		    To = FMA(KP559016994, Tn, Tm);
+		    Tw = FMA(KP951056516, Tv, To);
+		    Ty = FNMS(KP951056516, Tv, To);
+		    TW = FMA(KP559016994, TN, TM);
+		    TY = FNMS(KP951056516, TX, TW);
+		    T10 = FMA(KP951056516, TX, TW);
+		    R1[WS(rs, 4)] = -(FMA(KP2_000000000, Tw, Tl));
+		    R0[WS(rs, 3)] = FMA(KP2_000000000, Ty, Tx);
+		    TV = Ty - Tx;
+		    R1[0] = FNMS(KP1_732050807, TY, TV);
+		    R1[WS(rs, 5)] = FMA(KP1_732050807, TY, TV);
+		    TZ = Tl - Tw;
+		    R0[WS(rs, 7)] = FNMS(KP1_732050807, T10, TZ);
+		    R0[WS(rs, 2)] = FMA(KP1_732050807, T10, TZ);
+	       }
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 15, "r2cbIII_15", {21, 0, 43, 0}, &GENUS };
+
+void X(codelet_r2cbIII_15) (planner *p) {
+     X(kr2c_register) (p, r2cbIII_15, &desc);
+}
+
+#else
+
+/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 15 -name r2cbIII_15 -dft-III -include rdft/scalar/r2cbIII.h */
+
+/*
+ * This function contains 64 FP additions, 26 FP multiplications,
+ * (or, 49 additions, 11 multiplications, 15 fused multiply/add),
+ * 47 stack variables, 14 constants, and 30 memory accesses
+ */
+#include "rdft/scalar/r2cbIII.h"
+
+static void r2cbIII_15(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(KP433012701, +0.433012701892219323381861585376468091735701313);
+     DK(KP968245836, +0.968245836551854221294816349945599902708230426);
+     DK(KP587785252, +0.587785252292473129168705954639072768597652438);
+     DK(KP951056516, +0.951056516295153572116439333379382143405698634);
+     DK(KP250000000, +0.250000000000000000000000000000000000000000000);
+     DK(KP1_647278207, +1.647278207092663851754840078556380006059321028);
+     DK(KP1_018073920, +1.018073920910254366901961726787815297021466329);
+     DK(KP559016994, +0.559016994374947424102293417182819058860154590);
+     DK(KP500000000, +0.500000000000000000000000000000000000000000000);
+     DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
+     DK(KP1_118033988, +1.118033988749894848204586834365638117720309180);
+     DK(KP1_175570504, +1.175570504584946258337411909278145537195304875);
+     DK(KP1_902113032, +1.902113032590307144232878666758764286811397268);
+     {
+	  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(60, rs), MAKE_VOLATILE_STRIDE(60, csr), MAKE_VOLATILE_STRIDE(60, csi)) {
+	       E Tv, TD, T5, Ts, TC, T6, Tf, TW, TK, Td, Tg, TP, To, TN, TA;
+	       E TO, TQ, Tt, Tu, T12, Te, T11;
+	       Tt = Ci[WS(csi, 4)];
+	       Tu = Ci[WS(csi, 1)];
+	       Tv = FMA(KP1_902113032, Tt, KP1_175570504 * Tu);
+	       TD = FNMS(KP1_175570504, Tt, KP1_902113032 * Tu);
+	       {
+		    E T1, T4, Tq, T2, T3, Tr;
+		    T1 = Cr[WS(csr, 7)];
+		    T2 = Cr[WS(csr, 4)];
+		    T3 = Cr[WS(csr, 1)];
+		    T4 = T2 + T3;
+		    Tq = KP1_118033988 * (T2 - T3);
+		    T5 = FMA(KP2_000000000, T4, T1);
+		    Tr = FNMS(KP500000000, T4, T1);
+		    Ts = Tq + Tr;
+		    TC = Tr - Tq;
+	       }
+	       {
+		    E Tc, TJ, T9, TI;
+		    T6 = Cr[WS(csr, 2)];
+		    {
+			 E Ta, Tb, T7, T8;
+			 Ta = Cr[WS(csr, 3)];
+			 Tb = Cr[WS(csr, 6)];
+			 Tc = Ta + Tb;
+			 TJ = Ta - Tb;
+			 T7 = Cr[0];
+			 T8 = Cr[WS(csr, 5)];
+			 T9 = T7 + T8;
+			 TI = T7 - T8;
+		    }
+		    Tf = KP559016994 * (T9 - Tc);
+		    TW = FNMS(KP1_647278207, TJ, KP1_018073920 * TI);
+		    TK = FMA(KP1_647278207, TI, KP1_018073920 * TJ);
+		    Td = T9 + Tc;
+		    Tg = FNMS(KP250000000, Td, T6);
+	       }
+	       {
+		    E Tn, TM, Tk, TL;
+		    TP = Ci[WS(csi, 2)];
+		    {
+			 E Tl, Tm, Ti, Tj;
+			 Tl = Ci[WS(csi, 3)];
+			 Tm = Ci[WS(csi, 6)];
+			 Tn = Tl - Tm;
+			 TM = Tl + Tm;
+			 Ti = Ci[0];
+			 Tj = Ci[WS(csi, 5)];
+			 Tk = Ti + Tj;
+			 TL = Ti - Tj;
+		    }
+		    To = FMA(KP951056516, Tk, KP587785252 * Tn);
+		    TN = KP968245836 * (TL - TM);
+		    TA = FNMS(KP587785252, Tk, KP951056516 * Tn);
+		    TO = TL + TM;
+		    TQ = FMA(KP433012701, TO, KP1_732050807 * TP);
+	       }
+	       T12 = KP1_732050807 * (TP - TO);
+	       Te = T6 + Td;
+	       T11 = Te - T5;
+	       R0[0] = FMA(KP2_000000000, Te, T5);
+	       R0[WS(rs, 5)] = T12 - T11;
+	       R1[WS(rs, 2)] = T11 + T12;
+	       {
+		    E TE, TG, TB, TF, TY, T10, Tz, TX, TV, TZ;
+		    TE = TC - TD;
+		    TG = TC + TD;
+		    Tz = Tg - Tf;
+		    TB = Tz + TA;
+		    TF = TA - Tz;
+		    TX = TN + TQ;
+		    TY = TW - TX;
+		    T10 = TW + TX;
+		    R0[WS(rs, 6)] = FMA(KP2_000000000, TB, TE);
+		    R1[WS(rs, 1)] = FMS(KP2_000000000, TF, TG);
+		    TV = TE - TB;
+		    R0[WS(rs, 1)] = TV + TY;
+		    R1[WS(rs, 3)] = TY - TV;
+		    TZ = TF + TG;
+		    R0[WS(rs, 4)] = TZ - T10;
+		    R1[WS(rs, 6)] = -(TZ + T10);
+	       }
+	       {
+		    E Tw, Ty, Tp, Tx, TS, TU, Th, TR, TH, TT;
+		    Tw = Ts - Tv;
+		    Ty = Ts + Tv;
+		    Th = Tf + Tg;
+		    Tp = Th + To;
+		    Tx = Th - To;
+		    TR = TN - TQ;
+		    TS = TK + TR;
+		    TU = TR - TK;
+		    R1[WS(rs, 4)] = -(FMA(KP2_000000000, Tp, Tw));
+		    R0[WS(rs, 3)] = FMA(KP2_000000000, Tx, Ty);
+		    TH = Tx - Ty;
+		    R1[WS(rs, 5)] = TH - TS;
+		    R1[0] = TH + TS;
+		    TT = Tw - Tp;
+		    R0[WS(rs, 2)] = TT - TU;
+		    R0[WS(rs, 7)] = TT + TU;
+	       }
+	  }
+     }
+}
+
+static const kr2c_desc desc = { 15, "r2cbIII_15", {49, 11, 15, 0}, &GENUS };
+
+void X(codelet_r2cbIII_15) (planner *p) {
+     X(kr2c_register) (p, r2cbIII_15, &desc);
+}
+
+#endif