mirror of
https://github.com/tildearrow/furnace.git
synced 2024-12-02 17:27:25 +00:00
443 lines
12 KiB
C
443 lines
12 KiB
C
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/*
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* Copyright (c) 2003, 2007-14 Matteo Frigo
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* Copyright (c) 2003, 2007-14 Massachusetts Institute of Technology
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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/* This file was automatically generated --- DO NOT EDIT */
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/* Generated on Tue Sep 14 10:46:38 EDT 2021 */
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#include "rdft/codelet-rdft.h"
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#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
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/* Generated by: ../../../genfft/gen_hc2cdft.native -fma -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 8 -dit -name hc2cfdft2_8 -include rdft/scalar/hc2cf.h */
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/*
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* This function contains 90 FP additions, 66 FP multiplications,
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* (or, 60 additions, 36 multiplications, 30 fused multiply/add),
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* 45 stack variables, 2 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/hc2cf.h"
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static void hc2cfdft2_8(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DK(KP707106781, +0.707106781186547524400844362104849039284835938);
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(32, rs)) {
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E T1, T2, Th, Tj, T4, T5, T6, Tk, TB, Tq, Tw, Tc, TM, TQ;
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{
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E T3, Ti, Tp, Tb, TL, TP;
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T1 = W[0];
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T2 = W[2];
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T3 = T1 * T2;
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Th = W[4];
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Ti = T1 * Th;
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Tj = W[5];
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Tp = T1 * Tj;
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T4 = W[1];
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T5 = W[3];
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Tb = T1 * T5;
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T6 = FMA(T4, T5, T3);
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Tk = FMA(T4, Tj, Ti);
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TB = FMA(T4, T2, Tb);
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Tq = FNMS(T4, Th, Tp);
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Tw = FNMS(T4, T5, T3);
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TL = T6 * Th;
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TP = T6 * Tj;
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Tc = FNMS(T4, T2, Tb);
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TM = FMA(Tc, Tj, TL);
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TQ = FNMS(Tc, Th, TP);
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}
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{
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E TI, T1a, TY, T1u, TF, T1s, TS, T1c, Tg, T1n, T13, T1f, Tu, T1p, T17;
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E T1h;
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{
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E TG, TH, TX, TT, TU, TV, TW, T1t;
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TG = Ip[0];
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TH = Im[0];
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TX = TG + TH;
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TT = Rm[0];
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TU = Rp[0];
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TV = TT - TU;
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TI = TG - TH;
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T1a = TU + TT;
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TW = T1 * TV;
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TY = FNMS(T4, TX, TW);
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T1t = T4 * TV;
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T1u = FMA(T1, TX, T1t);
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}
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{
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E Tz, TR, TE, TN;
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{
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E Tx, Ty, TC, TD;
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Tx = Ip[WS(rs, 2)];
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Ty = Im[WS(rs, 2)];
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Tz = Tx - Ty;
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TR = Tx + Ty;
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TC = Rp[WS(rs, 2)];
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TD = Rm[WS(rs, 2)];
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TE = TC + TD;
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TN = TD - TC;
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}
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{
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E TA, T1r, TO, T1b;
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TA = Tw * Tz;
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TF = FNMS(TB, TE, TA);
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T1r = TQ * TN;
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T1s = FMA(TM, TR, T1r);
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TO = TM * TN;
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TS = FNMS(TQ, TR, TO);
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T1b = Tw * TE;
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T1c = FMA(TB, Tz, T1b);
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}
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}
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{
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E T9, T12, Tf, T10;
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{
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E T7, T8, Td, Te;
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T7 = Ip[WS(rs, 1)];
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T8 = Im[WS(rs, 1)];
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T9 = T7 - T8;
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T12 = T7 + T8;
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Td = Rp[WS(rs, 1)];
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Te = Rm[WS(rs, 1)];
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Tf = Td + Te;
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T10 = Td - Te;
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}
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{
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E Ta, T1m, T11, T1e;
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Ta = T6 * T9;
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Tg = FNMS(Tc, Tf, Ta);
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T1m = T2 * T12;
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T1n = FNMS(T5, T10, T1m);
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T11 = T2 * T10;
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T13 = FMA(T5, T12, T11);
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T1e = T6 * Tf;
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T1f = FMA(Tc, T9, T1e);
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}
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}
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{
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E Tn, T16, Tt, T14;
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{
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E Tl, Tm, Tr, Ts;
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Tl = Ip[WS(rs, 3)];
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Tm = Im[WS(rs, 3)];
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Tn = Tl - Tm;
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T16 = Tl + Tm;
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Tr = Rp[WS(rs, 3)];
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Ts = Rm[WS(rs, 3)];
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Tt = Tr + Ts;
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T14 = Tr - Ts;
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}
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{
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E To, T1o, T15, T1g;
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To = Tk * Tn;
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Tu = FNMS(Tq, Tt, To);
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T1o = Th * T16;
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T1p = FNMS(Tj, T14, T1o);
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T15 = Th * T14;
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T17 = FMA(Tj, T16, T15);
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T1g = Tk * Tt;
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T1h = FMA(Tq, Tn, T1g);
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}
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}
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{
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E TK, T1l, T1w, T1y, T19, T1k, T1j, T1x;
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{
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E Tv, TJ, T1q, T1v;
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Tv = Tg + Tu;
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TJ = TF + TI;
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TK = Tv + TJ;
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T1l = TJ - Tv;
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T1q = T1n + T1p;
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T1v = T1s + T1u;
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T1w = T1q - T1v;
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T1y = T1q + T1v;
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}
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{
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E TZ, T18, T1d, T1i;
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TZ = TS + TY;
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T18 = T13 + T17;
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T19 = TZ - T18;
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T1k = T18 + TZ;
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T1d = T1a + T1c;
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T1i = T1f + T1h;
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T1j = T1d - T1i;
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T1x = T1d + T1i;
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}
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Ip[0] = KP500000000 * (TK + T19);
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Rp[0] = KP500000000 * (T1x + T1y);
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Im[WS(rs, 3)] = KP500000000 * (T19 - TK);
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Rm[WS(rs, 3)] = KP500000000 * (T1x - T1y);
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Rm[WS(rs, 1)] = KP500000000 * (T1j - T1k);
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Im[WS(rs, 1)] = KP500000000 * (T1w - T1l);
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Rp[WS(rs, 2)] = KP500000000 * (T1j + T1k);
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Ip[WS(rs, 2)] = KP500000000 * (T1l + T1w);
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}
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{
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E T1B, T1N, T1L, T1R, T1E, T1O, T1H, T1P;
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{
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E T1z, T1A, T1J, T1K;
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T1z = TI - TF;
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T1A = T1f - T1h;
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T1B = T1z - T1A;
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T1N = T1A + T1z;
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T1J = T1a - T1c;
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T1K = Tg - Tu;
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T1L = T1J - T1K;
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T1R = T1J + T1K;
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}
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{
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E T1C, T1D, T1F, T1G;
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T1C = T1p - T1n;
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T1D = T13 - T17;
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T1E = T1C + T1D;
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T1O = T1C - T1D;
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T1F = TY - TS;
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T1G = T1u - T1s;
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T1H = T1F - T1G;
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T1P = T1F + T1G;
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}
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{
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E T1I, T1S, T1M, T1Q;
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T1I = T1E + T1H;
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Ip[WS(rs, 1)] = KP500000000 * (FMA(KP707106781, T1I, T1B));
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Im[WS(rs, 2)] = -(KP500000000 * (FNMS(KP707106781, T1I, T1B)));
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T1S = T1O + T1P;
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Rm[WS(rs, 2)] = KP500000000 * (FNMS(KP707106781, T1S, T1R));
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Rp[WS(rs, 1)] = KP500000000 * (FMA(KP707106781, T1S, T1R));
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T1M = T1H - T1E;
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Rm[0] = KP500000000 * (FNMS(KP707106781, T1M, T1L));
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Rp[WS(rs, 3)] = KP500000000 * (FMA(KP707106781, T1M, T1L));
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T1Q = T1O - T1P;
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Ip[WS(rs, 3)] = KP500000000 * (FMA(KP707106781, T1Q, T1N));
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Im[0] = -(KP500000000 * (FNMS(KP707106781, T1Q, T1N)));
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}
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}
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}
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}
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}
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}
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static const tw_instr twinstr[] = {
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{ TW_CEXP, 1, 1 },
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{ TW_CEXP, 1, 3 },
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{ TW_CEXP, 1, 7 },
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{ TW_NEXT, 1, 0 }
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};
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static const hc2c_desc desc = { 8, "hc2cfdft2_8", twinstr, &GENUS, { 60, 36, 30, 0 } };
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void X(codelet_hc2cfdft2_8) (planner *p) {
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X(khc2c_register) (p, hc2cfdft2_8, &desc, HC2C_VIA_DFT);
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}
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#else
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/* Generated by: ../../../genfft/gen_hc2cdft.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 8 -dit -name hc2cfdft2_8 -include rdft/scalar/hc2cf.h */
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/*
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* This function contains 90 FP additions, 56 FP multiplications,
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* (or, 72 additions, 38 multiplications, 18 fused multiply/add),
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* 51 stack variables, 2 constants, and 32 memory accesses
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*/
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#include "rdft/scalar/hc2cf.h"
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static void hc2cfdft2_8(R *Rp, R *Ip, R *Rm, R *Im, const R *W, stride rs, INT mb, INT me, INT ms)
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{
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DK(KP353553390, +0.353553390593273762200422181052424519642417969);
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DK(KP500000000, +0.500000000000000000000000000000000000000000000);
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{
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INT m;
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for (m = mb, W = W + ((mb - 1) * 6); m < me; m = m + 1, Rp = Rp + ms, Ip = Ip + ms, Rm = Rm - ms, Im = Im - ms, W = W + 6, MAKE_VOLATILE_STRIDE(32, rs)) {
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E T1, T4, T2, T5, Tu, Ty, T7, Td, Ti, Tj, Tk, TP, To, TN;
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{
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E T3, Tc, T6, Tb;
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T1 = W[0];
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T4 = W[1];
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T2 = W[2];
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T5 = W[3];
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T3 = T1 * T2;
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Tc = T4 * T2;
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T6 = T4 * T5;
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Tb = T1 * T5;
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Tu = T3 - T6;
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Ty = Tb + Tc;
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T7 = T3 + T6;
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Td = Tb - Tc;
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Ti = W[4];
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Tj = W[5];
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Tk = FMA(T1, Ti, T4 * Tj);
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TP = FNMS(Td, Ti, T7 * Tj);
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To = FNMS(T4, Ti, T1 * Tj);
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TN = FMA(T7, Ti, Td * Tj);
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}
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{
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E TF, T11, TC, T12, T1d, T1e, T1q, TM, TR, T1p, Th, Ts, T15, T14, T1a;
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E T1b, T1m, TV, TY, T1n;
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{
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E TD, TE, TL, TI, TJ, TK, Tx, TQ, TB, TO;
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TD = Ip[0];
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TE = Im[0];
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TL = TD + TE;
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TI = Rm[0];
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TJ = Rp[0];
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TK = TI - TJ;
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{
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E Tv, Tw, Tz, TA;
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Tv = Ip[WS(rs, 2)];
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Tw = Im[WS(rs, 2)];
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Tx = Tv - Tw;
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TQ = Tv + Tw;
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Tz = Rp[WS(rs, 2)];
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TA = Rm[WS(rs, 2)];
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TB = Tz + TA;
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TO = Tz - TA;
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}
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TF = TD - TE;
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T11 = TJ + TI;
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TC = FNMS(Ty, TB, Tu * Tx);
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T12 = FMA(Tu, TB, Ty * Tx);
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T1d = FNMS(TP, TO, TN * TQ);
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T1e = FMA(T4, TK, T1 * TL);
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T1q = T1e - T1d;
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TM = FNMS(T4, TL, T1 * TK);
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TR = FMA(TN, TO, TP * TQ);
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T1p = TR + TM;
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}
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{
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E Ta, TU, Tg, TT, Tn, TX, Tr, TW;
|
||
|
|
{
|
||
|
|
E T8, T9, Te, Tf;
|
||
|
|
T8 = Ip[WS(rs, 1)];
|
||
|
|
T9 = Im[WS(rs, 1)];
|
||
|
|
Ta = T8 - T9;
|
||
|
|
TU = T8 + T9;
|
||
|
|
Te = Rp[WS(rs, 1)];
|
||
|
|
Tf = Rm[WS(rs, 1)];
|
||
|
|
Tg = Te + Tf;
|
||
|
|
TT = Te - Tf;
|
||
|
|
}
|
||
|
|
{
|
||
|
|
E Tl, Tm, Tp, Tq;
|
||
|
|
Tl = Ip[WS(rs, 3)];
|
||
|
|
Tm = Im[WS(rs, 3)];
|
||
|
|
Tn = Tl - Tm;
|
||
|
|
TX = Tl + Tm;
|
||
|
|
Tp = Rp[WS(rs, 3)];
|
||
|
|
Tq = Rm[WS(rs, 3)];
|
||
|
|
Tr = Tp + Tq;
|
||
|
|
TW = Tp - Tq;
|
||
|
|
}
|
||
|
|
Th = FNMS(Td, Tg, T7 * Ta);
|
||
|
|
Ts = FNMS(To, Tr, Tk * Tn);
|
||
|
|
T15 = FMA(Tk, Tr, To * Tn);
|
||
|
|
T14 = FMA(T7, Tg, Td * Ta);
|
||
|
|
T1a = FNMS(T5, TT, T2 * TU);
|
||
|
|
T1b = FNMS(Tj, TW, Ti * TX);
|
||
|
|
T1m = T1b - T1a;
|
||
|
|
TV = FMA(T2, TT, T5 * TU);
|
||
|
|
TY = FMA(Ti, TW, Tj * TX);
|
||
|
|
T1n = TV - TY;
|
||
|
|
}
|
||
|
|
{
|
||
|
|
E T1l, T1x, T1A, T1C, T1s, T1w, T1v, T1B;
|
||
|
|
{
|
||
|
|
E T1j, T1k, T1y, T1z;
|
||
|
|
T1j = TF - TC;
|
||
|
|
T1k = T14 - T15;
|
||
|
|
T1l = KP500000000 * (T1j - T1k);
|
||
|
|
T1x = KP500000000 * (T1k + T1j);
|
||
|
|
T1y = T1m - T1n;
|
||
|
|
T1z = T1p + T1q;
|
||
|
|
T1A = KP353553390 * (T1y - T1z);
|
||
|
|
T1C = KP353553390 * (T1y + T1z);
|
||
|
|
}
|
||
|
|
{
|
||
|
|
E T1o, T1r, T1t, T1u;
|
||
|
|
T1o = T1m + T1n;
|
||
|
|
T1r = T1p - T1q;
|
||
|
|
T1s = KP353553390 * (T1o + T1r);
|
||
|
|
T1w = KP353553390 * (T1r - T1o);
|
||
|
|
T1t = T11 - T12;
|
||
|
|
T1u = Th - Ts;
|
||
|
|
T1v = KP500000000 * (T1t - T1u);
|
||
|
|
T1B = KP500000000 * (T1t + T1u);
|
||
|
|
}
|
||
|
|
Ip[WS(rs, 1)] = T1l + T1s;
|
||
|
|
Rp[WS(rs, 1)] = T1B + T1C;
|
||
|
|
Im[WS(rs, 2)] = T1s - T1l;
|
||
|
|
Rm[WS(rs, 2)] = T1B - T1C;
|
||
|
|
Rm[0] = T1v - T1w;
|
||
|
|
Im[0] = T1A - T1x;
|
||
|
|
Rp[WS(rs, 3)] = T1v + T1w;
|
||
|
|
Ip[WS(rs, 3)] = T1x + T1A;
|
||
|
|
}
|
||
|
|
{
|
||
|
|
E TH, T19, T1g, T1i, T10, T18, T17, T1h;
|
||
|
|
{
|
||
|
|
E Tt, TG, T1c, T1f;
|
||
|
|
Tt = Th + Ts;
|
||
|
|
TG = TC + TF;
|
||
|
|
TH = Tt + TG;
|
||
|
|
T19 = TG - Tt;
|
||
|
|
T1c = T1a + T1b;
|
||
|
|
T1f = T1d + T1e;
|
||
|
|
T1g = T1c - T1f;
|
||
|
|
T1i = T1c + T1f;
|
||
|
|
}
|
||
|
|
{
|
||
|
|
E TS, TZ, T13, T16;
|
||
|
|
TS = TM - TR;
|
||
|
|
TZ = TV + TY;
|
||
|
|
T10 = TS - TZ;
|
||
|
|
T18 = TZ + TS;
|
||
|
|
T13 = T11 + T12;
|
||
|
|
T16 = T14 + T15;
|
||
|
|
T17 = T13 - T16;
|
||
|
|
T1h = T13 + T16;
|
||
|
|
}
|
||
|
|
Ip[0] = KP500000000 * (TH + T10);
|
||
|
|
Rp[0] = KP500000000 * (T1h + T1i);
|
||
|
|
Im[WS(rs, 3)] = KP500000000 * (T10 - TH);
|
||
|
|
Rm[WS(rs, 3)] = KP500000000 * (T1h - T1i);
|
||
|
|
Rm[WS(rs, 1)] = KP500000000 * (T17 - T18);
|
||
|
|
Im[WS(rs, 1)] = KP500000000 * (T1g - T19);
|
||
|
|
Rp[WS(rs, 2)] = KP500000000 * (T17 + T18);
|
||
|
|
Ip[WS(rs, 2)] = KP500000000 * (T19 + T1g);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
static const tw_instr twinstr[] = {
|
||
|
|
{ TW_CEXP, 1, 1 },
|
||
|
|
{ TW_CEXP, 1, 3 },
|
||
|
|
{ TW_CEXP, 1, 7 },
|
||
|
|
{ TW_NEXT, 1, 0 }
|
||
|
|
};
|
||
|
|
|
||
|
|
static const hc2c_desc desc = { 8, "hc2cfdft2_8", twinstr, &GENUS, { 72, 38, 18, 0 } };
|
||
|
|
|
||
|
|
void X(codelet_hc2cfdft2_8) (planner *p) {
|
||
|
|
X(khc2c_register) (p, hc2cfdft2_8, &desc, HC2C_VIA_DFT);
|
||
|
|
}
|
||
|
|
#endif
|