mirror of
https://git.ffmpeg.org/ffmpeg.git
synced 2024-12-28 02:12:28 +00:00
97fd5d3363
Should fix failures for some seeds on x86_32. Signed-off-by: James Almer <jamrial@gmail.com>
102 lines
3.4 KiB
C
102 lines
3.4 KiB
C
/*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg 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.
|
|
*
|
|
* FFmpeg 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 FFmpeg; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include <float.h>
|
|
#include "libavutil/lls.h"
|
|
#include "checkasm.h"
|
|
|
|
#define randomize_buffer(buf) \
|
|
do { \
|
|
double bmg[2], stddev = 10.0; \
|
|
\
|
|
for (size_t i = 0; i < MAX_VARS_ALIGN; i += 2) { \
|
|
av_bmg_get(&checkasm_lfg, bmg); \
|
|
buf[i] = bmg[0] * stddev; \
|
|
buf[i + 1] = bmg[1] * stddev; \
|
|
} \
|
|
} while(0);
|
|
|
|
static void test_update(LLSModel *lls, const double *var)
|
|
{
|
|
double refcovar[MAX_VARS][MAX_VARS];
|
|
declare_func(void, LLSModel *, const double *);
|
|
|
|
call_ref(lls, var);
|
|
|
|
for (size_t i = 0; i < MAX_VARS; i++)
|
|
for (size_t j = 0; j < MAX_VARS; j++)
|
|
refcovar[i][j] = lls->covariance[i][j];
|
|
|
|
memset(lls->covariance, 0, sizeof (lls->covariance));
|
|
call_new(lls, var);
|
|
|
|
for (size_t i = 0; i < lls->indep_count; i++)
|
|
for (size_t j = i; j < lls->indep_count; j++)
|
|
if (!double_near_abs_eps(refcovar[i][j], lls->covariance[i][j],
|
|
8 * DBL_EPSILON)) {
|
|
fprintf(stderr, "%zu, %zu: %- .12f - %- .12f = % .12g\n", i, j,
|
|
refcovar[i][j], lls->covariance[i][j],
|
|
refcovar[i][j] - lls->covariance[i][j]);
|
|
fail();
|
|
}
|
|
|
|
bench_new(lls, var);
|
|
}
|
|
|
|
#define EPS 0.2
|
|
static void test_evaluate(LLSModel *lls, const double *param, int order)
|
|
{
|
|
double refprod, newprod;
|
|
declare_func_float(double, LLSModel *, const double *, int);
|
|
|
|
refprod = call_ref(lls, param, order);
|
|
newprod = call_new(lls, param, order);
|
|
|
|
if (!double_near_abs_eps(refprod, newprod, EPS)) {
|
|
fprintf(stderr, "%- .12f - %- .12f = % .12g\n",
|
|
refprod, newprod, refprod - newprod);
|
|
fail();
|
|
}
|
|
|
|
if (order == lls->indep_count)
|
|
bench_new(lls, param, order);
|
|
}
|
|
|
|
void checkasm_check_lls(void)
|
|
{
|
|
static const unsigned char counts[] = { 8, 12, MAX_VARS, };
|
|
|
|
for (size_t i = 0; i < FF_ARRAY_ELEMS(counts); i++) {
|
|
LOCAL_ALIGNED_32(double, var, [MAX_VARS_ALIGN]);
|
|
LOCAL_ALIGNED_32(double, param, [FFALIGN(MAX_VARS+2,4)]);
|
|
LLSModel lls;
|
|
|
|
avpriv_init_lls(&lls, counts[i]);
|
|
randomize_buffer(var);
|
|
randomize_buffer(param);
|
|
|
|
if (check_func(lls.update_lls, "update_lls_%d", counts[i]))
|
|
test_update(&lls, var);
|
|
for (size_t j = 0; j <= i; j++)
|
|
if (check_func(lls.evaluate_lls, "evaluate_lls_%d_%d", counts[i],
|
|
counts[j]))
|
|
test_evaluate(&lls, param + 1, counts[j]);
|
|
}
|
|
report("lls");
|
|
}
|