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GUI: try using FFTW for per-chan osc wave center

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not reliable yet
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tildearrow 2022-05-31 03:24:29 -05:00
parent c306b33603
commit 54e93db207
3504 changed files with 492683 additions and 21 deletions
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121
extern/fftw/dft/problem.c vendored 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
*
*/
#include "dft/dft.h"
#include <stddef.h>
static void destroy(problem *ego_)
{
problem_dft *ego = (problem_dft *) ego_;
X(tensor_destroy2)(ego->vecsz, ego->sz);
X(ifree)(ego_);
}
static void hash(const problem *p_, md5 *m)
{
const problem_dft *p = (const problem_dft *) p_;
X(md5puts)(m, "dft");
X(md5int)(m, p->ri == p->ro);
X(md5INT)(m, p->ii - p->ri);
X(md5INT)(m, p->io - p->ro);
X(md5int)(m, X(ialignment_of)(p->ri));
X(md5int)(m, X(ialignment_of)(p->ii));
X(md5int)(m, X(ialignment_of)(p->ro));
X(md5int)(m, X(ialignment_of)(p->io));
X(tensor_md5)(m, p->sz);
X(tensor_md5)(m, p->vecsz);
}
static void print(const problem *ego_, printer *p)
{
const problem_dft *ego = (const problem_dft *) ego_;
p->print(p, "(dft %d %d %d %D %D %T %T)",
ego->ri == ego->ro,
X(ialignment_of)(ego->ri),
X(ialignment_of)(ego->ro),
(INT)(ego->ii - ego->ri),
(INT)(ego->io - ego->ro),
ego->sz,
ego->vecsz);
}
static void zero(const problem *ego_)
{
const problem_dft *ego = (const problem_dft *) ego_;
tensor *sz = X(tensor_append)(ego->vecsz, ego->sz);
X(dft_zerotens)(sz, UNTAINT(ego->ri), UNTAINT(ego->ii));
X(tensor_destroy)(sz);
}
static const problem_adt padt =
{
PROBLEM_DFT,
hash,
zero,
print,
destroy
};
problem *X(mkproblem_dft)(const tensor *sz, const tensor *vecsz,
R *ri, R *ii, R *ro, R *io)
{
problem_dft *ego;
/* enforce pointer equality if untainted pointers are equal */
if (UNTAINT(ri) == UNTAINT(ro))
ri = ro = JOIN_TAINT(ri, ro);
if (UNTAINT(ii) == UNTAINT(io))
ii = io = JOIN_TAINT(ii, io);
/* more correctness conditions: */
A(TAINTOF(ri) == TAINTOF(ii));
A(TAINTOF(ro) == TAINTOF(io));
A(X(tensor_kosherp)(sz));
A(X(tensor_kosherp)(vecsz));
if (ri == ro || ii == io) {
/* If either real or imag pointers are in place, both must be. */
if (ri != ro || ii != io || !X(tensor_inplace_locations)(sz, vecsz))
return X(mkproblem_unsolvable)();
}
ego = (problem_dft *)X(mkproblem)(sizeof(problem_dft), &padt);
ego->sz = X(tensor_compress)(sz);
ego->vecsz = X(tensor_compress_contiguous)(vecsz);
ego->ri = ri;
ego->ii = ii;
ego->ro = ro;
ego->io = io;
A(FINITE_RNK(ego->sz->rnk));
return &(ego->super);
}
/* Same as X(mkproblem_dft), but also destroy input tensors. */
problem *X(mkproblem_dft_d)(tensor *sz, tensor *vecsz,
R *ri, R *ii, R *ro, R *io)
{
problem *p = X(mkproblem_dft)(sz, vecsz, ri, ii, ro, io);
X(tensor_destroy2)(vecsz, sz);
return p;
}