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/*
* 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/mem_internal.h"
#include "libavcodec/vorbisdsp.h"
#include "checkasm.h"
#define LEN 512
#define randomize_buffer(buf) \
do { \
double bmg[2], stddev = 10.0, mean = 0.0; \
\
for (int i = 0; i < LEN; i += 2) { \
av_bmg_get(&checkasm_lfg, bmg); \
buf[i] = bmg[0] * stddev + mean; \
buf[i + 1] = bmg[1] * stddev + mean; \
} \
} while(0);
static void test_inverse_coupling(void)
{
LOCAL_ALIGNED_16(float, src0, [LEN]);
LOCAL_ALIGNED_16(float, src1, [LEN]);
LOCAL_ALIGNED_16(float, cdst, [LEN]);
LOCAL_ALIGNED_16(float, odst, [LEN]);
LOCAL_ALIGNED_16(float, cdst1, [LEN]);
LOCAL_ALIGNED_16(float, odst1, [LEN]);
declare_func(void, float *restrict mag, float *restrict ang,
ptrdiff_t blocksize);
randomize_buffer(src0);
randomize_buffer(src1);
memcpy(cdst, src0, LEN * sizeof(*src0));
memcpy(cdst1, src1, LEN * sizeof(*src1));
memcpy(odst, src0, LEN * sizeof(*src0));
memcpy(odst1, src1, LEN * sizeof(*src1));
call_ref(cdst, cdst1, LEN);
call_new(odst, odst1, LEN);
for (int i = 0; i < LEN; i++) {
if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON) ||
!float_near_abs_eps(cdst1[i], odst1[i], FLT_EPSILON)) {
fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
i, cdst[i], odst[i], cdst[i] - odst[i]);
fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
i, cdst1[i], odst1[i], cdst1[i] - odst1[i]);
fail();
break;
}
}
bench_new(src0, src1, LEN);
}
void checkasm_check_vorbisdsp(void)
{
VorbisDSPContext dsp;
ff_vorbisdsp_init(&dsp);
if (check_func(dsp.vorbis_inverse_coupling, "inverse_coupling"))
test_inverse_coupling();
report("inverse_coupling");
}
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