mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.4 KiB
101 lines
3.4 KiB
/* |
|
* 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], |
|
2 * 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"); |
|
}
|
|
|