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This commit is contained in:
Sergey Lapin
2025-07-12 12:17:44 +03:00
parent c759f60ff7
commit 792e1b937a
3507 changed files with 492613 additions and 0 deletions
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fftw-3.3.10/dft/scalar/codelets/n1_2.c Normal file
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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 10:44:24 EDT 2021 */
#include "dft/codelet-dft.h"
#if defined(ARCH_PREFERS_FMA) || defined(ISA_EXTENSION_PREFERS_FMA)
/* Generated by: ../../../genfft/gen_notw.native -fma -compact -variables 4 -pipeline-latency 4 -n 2 -name n1_2 -include dft/scalar/n.h */
/*
* This function contains 4 FP additions, 0 FP multiplications,
* (or, 4 additions, 0 multiplications, 0 fused multiply/add),
* 5 stack variables, 0 constants, and 8 memory accesses
*/
#include "dft/scalar/n.h"
static void n1_2(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
{
INT i;
for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(8, is), MAKE_VOLATILE_STRIDE(8, os)) {
E T1, T2, T3, T4;
T1 = ri[0];
T2 = ri[WS(is, 1)];
ro[WS(os, 1)] = T1 - T2;
ro[0] = T1 + T2;
T3 = ii[0];
T4 = ii[WS(is, 1)];
io[WS(os, 1)] = T3 - T4;
io[0] = T3 + T4;
}
}
}
static const kdft_desc desc = { 2, "n1_2", { 4, 0, 0, 0 }, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1_2) (planner *p) { X(kdft_register) (p, n1_2, &desc);
}
#else
/* Generated by: ../../../genfft/gen_notw.native -compact -variables 4 -pipeline-latency 4 -n 2 -name n1_2 -include dft/scalar/n.h */
/*
* This function contains 4 FP additions, 0 FP multiplications,
* (or, 4 additions, 0 multiplications, 0 fused multiply/add),
* 5 stack variables, 0 constants, and 8 memory accesses
*/
#include "dft/scalar/n.h"
static void n1_2(const R *ri, const R *ii, R *ro, R *io, stride is, stride os, INT v, INT ivs, INT ovs)
{
{
INT i;
for (i = v; i > 0; i = i - 1, ri = ri + ivs, ii = ii + ivs, ro = ro + ovs, io = io + ovs, MAKE_VOLATILE_STRIDE(8, is), MAKE_VOLATILE_STRIDE(8, os)) {
E T1, T2, T3, T4;
T1 = ri[0];
T2 = ri[WS(is, 1)];
ro[WS(os, 1)] = T1 - T2;
ro[0] = T1 + T2;
T3 = ii[0];
T4 = ii[WS(is, 1)];
io[WS(os, 1)] = T3 - T4;
io[0] = T3 + T4;
}
}
}
static const kdft_desc desc = { 2, "n1_2", { 4, 0, 0, 0 }, &GENUS, 0, 0, 0, 0 };
void X(codelet_n1_2) (planner *p) { X(kdft_register) (p, n1_2, &desc);
}
#endif