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furnace/extern/fftw/dft/scalar/codelets/t2_5.c
tildearrow 54e93db207 GUI: try using FFTW for per-chan osc wave center 
not reliable yet
2022-05-31 03:24:29 -05:00

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/*
* 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 Tue Sep 14 10:44:37 EDT 2021 */
#include "dft/codelet-dft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_twiddle.native -fma -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 5 -name t2_5 -include dft/scalar/t.h */
/*
* This function contains 44 FP additions, 40 FP multiplications,
* (or, 14 additions, 10 multiplications, 30 fused multiply/add),
* 38 stack variables, 4 constants, and 20 memory accesses
*/
#include "dft/scalar/t.h"
static void t2_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
DK(KP951056516, +0.951056516295153572116439333379382143405698634);
DK(KP559016994, +0.559016994374947424102293417182819058860154590);
DK(KP618033988, +0.618033988749894848204586834365638117720309180);
DK(KP250000000, +0.250000000000000000000000000000000000000000000);
{
INT m;
for (m = mb, W = W + (mb * 4); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 4, MAKE_VOLATILE_STRIDE(10, rs)) {
E T2, Ta, T8, T5, Tb, Tm, Tf, Tj, T9, Te;
T2 = W[0];
Ta = W[3];
T8 = W[2];
T9 = T2 * T8;
Te = T2 * Ta;
T5 = W[1];
Tb = FNMS(T5, Ta, T9);
Tm = FNMS(T5, T8, Te);
Tf = FMA(T5, T8, Te);
Tj = FMA(T5, Ta, T9);
{
E T1, TO, T7, Th, Ti, Tz, TB, TL, To, Ts, Tt, TE, TG, TM;
T1 = ri[0];
TO = ii[0];
{
E T3, T4, T6, Ty, Tc, Td, Tg, TA;
T3 = ri[WS(rs, 1)];
T4 = T2 * T3;
T6 = ii[WS(rs, 1)];
Ty = T2 * T6;
Tc = ri[WS(rs, 4)];
Td = Tb * Tc;
Tg = ii[WS(rs, 4)];
TA = Tb * Tg;
T7 = FMA(T5, T6, T4);
Th = FMA(Tf, Tg, Td);
Ti = T7 + Th;
Tz = FNMS(T5, T3, Ty);
TB = FNMS(Tf, Tc, TA);
TL = Tz + TB;
}
{
E Tk, Tl, Tn, TD, Tp, Tq, Tr, TF;
Tk = ri[WS(rs, 2)];
Tl = Tj * Tk;
Tn = ii[WS(rs, 2)];
TD = Tj * Tn;
Tp = ri[WS(rs, 3)];
Tq = T8 * Tp;
Tr = ii[WS(rs, 3)];
TF = T8 * Tr;
To = FMA(Tm, Tn, Tl);
Ts = FMA(Ta, Tr, Tq);
Tt = To + Ts;
TE = FNMS(Tm, Tk, TD);
TG = FNMS(Ta, Tp, TF);
TM = TE + TG;
}
{
E Tw, Tu, Tv, TI, TK, TC, TH, TJ, Tx;
Tw = Ti - Tt;
Tu = Ti + Tt;
Tv = FNMS(KP250000000, Tu, T1);
TC = Tz - TB;
TH = TE - TG;
TI = FMA(KP618033988, TH, TC);
TK = FNMS(KP618033988, TC, TH);
ri[0] = T1 + Tu;
TJ = FNMS(KP559016994, Tw, Tv);
ri[WS(rs, 2)] = FNMS(KP951056516, TK, TJ);
ri[WS(rs, 3)] = FMA(KP951056516, TK, TJ);
Tx = FMA(KP559016994, Tw, Tv);
ri[WS(rs, 4)] = FNMS(KP951056516, TI, Tx);
ri[WS(rs, 1)] = FMA(KP951056516, TI, Tx);
}
{
E TQ, TN, TP, TU, TW, TS, TT, TV, TR;
TQ = TL - TM;
TN = TL + TM;
TP = FNMS(KP250000000, TN, TO);
TS = T7 - Th;
TT = To - Ts;
TU = FMA(KP618033988, TT, TS);
TW = FNMS(KP618033988, TS, TT);
ii[0] = TN + TO;
TV = FNMS(KP559016994, TQ, TP);
ii[WS(rs, 2)] = FMA(KP951056516, TW, TV);
ii[WS(rs, 3)] = FNMS(KP951056516, TW, TV);
TR = FMA(KP559016994, TQ, TP);
ii[WS(rs, 1)] = FNMS(KP951056516, TU, TR);
ii[WS(rs, 4)] = FMA(KP951056516, TU, TR);
}
}
}
}
}
static const tw_instr twinstr[] = {
{ TW_CEXP, 0, 1 },
{ TW_CEXP, 0, 3 },
{ TW_NEXT, 1, 0 }
};
static const ct_desc desc = { 5, "t2_5", twinstr, &GENUS, { 14, 10, 30, 0 }, 0, 0, 0 };
void X(codelet_t2_5) (planner *p) {
X(kdft_dit_register) (p, t2_5, &desc);
}
#else
/* Generated by: ../../../genfft/gen_twiddle.native -compact -variables 4 -pipeline-latency 4 -twiddle-log3 -precompute-twiddles -n 5 -name t2_5 -include dft/scalar/t.h */
/*
* This function contains 44 FP additions, 32 FP multiplications,
* (or, 30 additions, 18 multiplications, 14 fused multiply/add),
* 37 stack variables, 4 constants, and 20 memory accesses
*/
#include "dft/scalar/t.h"
static void t2_5(R *ri, R *ii, const R *W, stride rs, INT mb, INT me, INT ms)
{
DK(KP250000000, +0.250000000000000000000000000000000000000000000);
DK(KP559016994, +0.559016994374947424102293417182819058860154590);
DK(KP587785252, +0.587785252292473129168705954639072768597652438);
DK(KP951056516, +0.951056516295153572116439333379382143405698634);
{
INT m;
for (m = mb, W = W + (mb * 4); m < me; m = m + 1, ri = ri + ms, ii = ii + ms, W = W + 4, MAKE_VOLATILE_STRIDE(10, rs)) {
E T2, T4, T7, T9, Tb, Tl, Tf, Tj;
{
E T8, Te, Ta, Td;
T2 = W[0];
T4 = W[1];
T7 = W[2];
T9 = W[3];
T8 = T2 * T7;
Te = T4 * T7;
Ta = T4 * T9;
Td = T2 * T9;
Tb = T8 - Ta;
Tl = Td - Te;
Tf = Td + Te;
Tj = T8 + Ta;
}
{
E T1, TI, Ty, TB, TN, TM, TF, TG, TH, Ti, Tr, Ts;
T1 = ri[0];
TI = ii[0];
{
E T6, Tw, Tq, TA, Th, Tx, Tn, Tz;
{
E T3, T5, To, Tp;
T3 = ri[WS(rs, 1)];
T5 = ii[WS(rs, 1)];
T6 = FMA(T2, T3, T4 * T5);
Tw = FNMS(T4, T3, T2 * T5);
To = ri[WS(rs, 3)];
Tp = ii[WS(rs, 3)];
Tq = FMA(T7, To, T9 * Tp);
TA = FNMS(T9, To, T7 * Tp);
}
{
E Tc, Tg, Tk, Tm;
Tc = ri[WS(rs, 4)];
Tg = ii[WS(rs, 4)];
Th = FMA(Tb, Tc, Tf * Tg);
Tx = FNMS(Tf, Tc, Tb * Tg);
Tk = ri[WS(rs, 2)];
Tm = ii[WS(rs, 2)];
Tn = FMA(Tj, Tk, Tl * Tm);
Tz = FNMS(Tl, Tk, Tj * Tm);
}
Ty = Tw - Tx;
TB = Tz - TA;
TN = Tn - Tq;
TM = T6 - Th;
TF = Tw + Tx;
TG = Tz + TA;
TH = TF + TG;
Ti = T6 + Th;
Tr = Tn + Tq;
Ts = Ti + Tr;
}
ri[0] = T1 + Ts;
ii[0] = TH + TI;
{
E TC, TE, Tv, TD, Tt, Tu;
TC = FMA(KP951056516, Ty, KP587785252 * TB);
TE = FNMS(KP587785252, Ty, KP951056516 * TB);
Tt = KP559016994 * (Ti - Tr);
Tu = FNMS(KP250000000, Ts, T1);
Tv = Tt + Tu;
TD = Tu - Tt;
ri[WS(rs, 4)] = Tv - TC;
ri[WS(rs, 3)] = TD + TE;
ri[WS(rs, 1)] = Tv + TC;
ri[WS(rs, 2)] = TD - TE;
}
{
E TO, TP, TL, TQ, TJ, TK;
TO = FMA(KP951056516, TM, KP587785252 * TN);
TP = FNMS(KP587785252, TM, KP951056516 * TN);
TJ = KP559016994 * (TF - TG);
TK = FNMS(KP250000000, TH, TI);
TL = TJ + TK;
TQ = TK - TJ;
ii[WS(rs, 1)] = TL - TO;
ii[WS(rs, 3)] = TQ - TP;
ii[WS(rs, 4)] = TO + TL;
ii[WS(rs, 2)] = TP + TQ;
}
}
}
}
}
static const tw_instr twinstr[] = {
{ TW_CEXP, 0, 1 },
{ TW_CEXP, 0, 3 },
{ TW_NEXT, 1, 0 }
};
static const ct_desc desc = { 5, "t2_5", twinstr, &GENUS, { 30, 18, 14, 0 }, 0, 0, 0 };
void X(codelet_t2_5) (planner *p) {
X(kdft_dit_register) (p, t2_5, &desc);
}
#endif
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