alexander
/
iup-stack
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 1 Wiki Activity
iup-stack/fftw/rdft/scalar/r2cb/r2cbIII_12.c

231 lines
7.2 KiB
C
Raw Permalink Blame History

/*
* 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 10:47:00 EDT 2021 */
#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 12 -name r2cbIII_12 -dft-III -include rdft/scalar/r2cbIII.h */
/*
* This function contains 42 FP additions, 20 FP multiplications,
* (or, 30 additions, 8 multiplications, 12 fused multiply/add),
* 25 stack variables, 4 constants, and 24 memory accesses
*/
#include "rdft/scalar/r2cbIII.h"
static void r2cbIII_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
DK(KP707106781, +0.707106781186547524400844362104849039284835938);
DK(KP1_732050807, +1.732050807568877293527446341505872366942805254);
DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
{
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(48, rs), MAKE_VOLATILE_STRIDE(48, csr), MAKE_VOLATILE_STRIDE(48, csi)) {
E T5, Tx, Tb, Te, Tw, Ts, Ta, TA, Tg, Tj, Tz, Tp, Tt, Tu;
{
E T1, T2, T3, T4;
T1 = Cr[WS(csr, 1)];
T2 = Cr[WS(csr, 5)];
T3 = Cr[WS(csr, 2)];
T4 = T2 + T3;
T5 = T1 + T4;
Tx = T2 - T3;
Tb = FNMS(KP2_000000000, T1, T4);
}
{
E Tq, Tc, Td, Tr;
Tq = Ci[WS(csi, 1)];
Tc = Ci[WS(csi, 5)];
Td = Ci[WS(csi, 2)];
Tr = Td - Tc;
Te = Tc + Td;
Tw = FMA(KP2_000000000, Tq, Tr);
Ts = Tq - Tr;
}
{
E T6, T7, T8, T9;
T6 = Cr[WS(csr, 4)];
T7 = Cr[0];
T8 = Cr[WS(csr, 3)];
T9 = T7 + T8;
Ta = T6 + T9;
TA = T7 - T8;
Tg = FNMS(KP2_000000000, T6, T9);
}
{
E To, Th, Ti, Tn;
To = Ci[WS(csi, 4)];
Th = Ci[0];
Ti = Ci[WS(csi, 3)];
Tn = Ti - Th;
Tj = Th + Ti;
Tz = FMA(KP2_000000000, To, Tn);
Tp = Tn - To;
}
R0[0] = KP2_000000000 * (T5 + Ta);
R0[WS(rs, 3)] = KP2_000000000 * (Ts + Tp);
Tt = Tp - Ts;
Tu = T5 - Ta;
R1[WS(rs, 1)] = KP1_414213562 * (Tt - Tu);
R1[WS(rs, 4)] = KP1_414213562 * (Tu + Tt);
{
E Tf, Tk, Tv, Ty, TB, TC;
Tf = FMA(KP1_732050807, Te, Tb);
Tk = FNMS(KP1_732050807, Tj, Tg);
Tv = Tk - Tf;
Ty = FMA(KP1_732050807, Tx, Tw);
TB = FNMS(KP1_732050807, TA, Tz);
TC = Ty + TB;
R0[WS(rs, 2)] = Tf + Tk;
R0[WS(rs, 5)] = TB - Ty;
R1[0] = KP707106781 * (Tv - TC);
R1[WS(rs, 3)] = KP707106781 * (Tv + TC);
}
{
E Tl, Tm, TF, TD, TE, TG;
Tl = FNMS(KP1_732050807, Te, Tb);
Tm = FMA(KP1_732050807, Tj, Tg);
TF = Tl - Tm;
TD = FMA(KP1_732050807, TA, Tz);
TE = FNMS(KP1_732050807, Tx, Tw);
TG = TE + TD;
R0[WS(rs, 4)] = -(Tl + Tm);
R1[WS(rs, 2)] = KP707106781 * (TF + TG);
R0[WS(rs, 1)] = TD - TE;
R1[WS(rs, 5)] = KP707106781 * (TF - TG);
}
}
}
}
static const kr2c_desc desc = { 12, "r2cbIII_12", { 30, 8, 12, 0 }, &GENUS };
void X(codelet_r2cbIII_12) (planner *p) { X(kr2c_register) (p, r2cbIII_12, &desc);
}
#else
/* Generated by: ../../../genfft/gen_r2cb.native -compact -variables 4 -pipeline-latency 4 -sign 1 -n 12 -name r2cbIII_12 -dft-III -include rdft/scalar/r2cbIII.h */
/*
* This function contains 42 FP additions, 20 FP multiplications,
* (or, 38 additions, 16 multiplications, 4 fused multiply/add),
* 25 stack variables, 4 constants, and 24 memory accesses
*/
#include "rdft/scalar/r2cbIII.h"
static void r2cbIII_12(R *R0, R *R1, R *Cr, R *Ci, stride rs, stride csr, stride csi, INT v, INT ivs, INT ovs)
{
DK(KP1_414213562, +1.414213562373095048801688724209698078569671875);
DK(KP2_000000000, +2.000000000000000000000000000000000000000000000);
DK(KP500000000, +0.500000000000000000000000000000000000000000000);
DK(KP866025403, +0.866025403784438646763723170752936183471402627);
{
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(48, rs), MAKE_VOLATILE_STRIDE(48, csr), MAKE_VOLATILE_STRIDE(48, csi)) {
E T5, Tw, Tb, Te, Tx, Ts, Ta, TA, Tg, Tj, Tz, Tp, Tt, Tu;
{
E T1, T2, T3, T4;
T1 = Cr[WS(csr, 1)];
T2 = Cr[WS(csr, 5)];
T3 = Cr[WS(csr, 2)];
T4 = T2 + T3;
T5 = T1 + T4;
Tw = KP866025403 * (T2 - T3);
Tb = FNMS(KP500000000, T4, T1);
}
{
E Tq, Tc, Td, Tr;
Tq = Ci[WS(csi, 1)];
Tc = Ci[WS(csi, 5)];
Td = Ci[WS(csi, 2)];
Tr = Td - Tc;
Te = KP866025403 * (Tc + Td);
Tx = FMA(KP500000000, Tr, Tq);
Ts = Tq - Tr;
}
{
E T6, T7, T8, T9;
T6 = Cr[WS(csr, 4)];
T7 = Cr[0];
T8 = Cr[WS(csr, 3)];
T9 = T7 + T8;
Ta = T6 + T9;
TA = KP866025403 * (T7 - T8);
Tg = FNMS(KP500000000, T9, T6);
}
{
E To, Th, Ti, Tn;
To = Ci[WS(csi, 4)];
Th = Ci[0];
Ti = Ci[WS(csi, 3)];
Tn = Ti - Th;
Tj = KP866025403 * (Th + Ti);
Tz = FMA(KP500000000, Tn, To);
Tp = Tn - To;
}
R0[0] = KP2_000000000 * (T5 + Ta);
R0[WS(rs, 3)] = KP2_000000000 * (Ts + Tp);
Tt = Tp - Ts;
Tu = T5 - Ta;
R1[WS(rs, 1)] = KP1_414213562 * (Tt - Tu);
R1[WS(rs, 4)] = KP1_414213562 * (Tu + Tt);
{
E Tf, Tk, Tv, Ty, TB, TC;
Tf = Tb - Te;
Tk = Tg + Tj;
Tv = Tf - Tk;
Ty = Tw + Tx;
TB = Tz - TA;
TC = Ty + TB;
R0[WS(rs, 2)] = -(KP2_000000000 * (Tf + Tk));
R0[WS(rs, 5)] = KP2_000000000 * (TB - Ty);
R1[0] = KP1_414213562 * (Tv - TC);
R1[WS(rs, 3)] = KP1_414213562 * (Tv + TC);
}
{
E Tl, Tm, TF, TD, TE, TG;
Tl = Tb + Te;
Tm = Tg - Tj;
TF = Tm - Tl;
TD = TA + Tz;
TE = Tx - Tw;
TG = TE + TD;
R0[WS(rs, 4)] = KP2_000000000 * (Tl + Tm);
R1[WS(rs, 2)] = KP1_414213562 * (TF + TG);
R0[WS(rs, 1)] = KP2_000000000 * (TD - TE);
R1[WS(rs, 5)] = KP1_414213562 * (TF - TG);
}
}
}
}
static const kr2c_desc desc = { 12, "r2cbIII_12", { 38, 16, 4, 0 }, &GENUS };
void X(codelet_r2cbIII_12) (planner *p) { X(kr2c_register) (p, r2cbIII_12, &desc);
}
#endif
Reference in New Issue View Git Blame Copy Permalink