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checkasm: float_dsp: Scale FLT/DBL_EPSILON sufficiently when comparing

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As the values generated by av_bmg_get can be arbitrarily large
(only the stddev is specified), we can't use a fixed tolerance.

This matches what was done for test_vector_dmul_scalar in
38f966b222.

This fixes the float_dsp checkasm test for some seeds, when built
with clang for mingw/x86_32.

Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Martin Storsjö 2019-12-10 14:39:02 +02:00
parent 6569e9505c
commit 8f70e261fa
1 changed files with 6 additions and 3 deletions
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9
tests/checkasm/float_dsp.c
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@ -51,7 +51,8 @@ static void test_vector_fmul(const float *src0, const float *src1)
call_ref(cdst, src0, src1, LEN);
call_new(odst, src0, src1, LEN);
for (i = 0; i < LEN; i++) {
if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON)) {
double t = fabs(src0[i]) + fabs(src1[i]) + fabs(src0[i] * src1[i]) + 1.0;
if (!float_near_abs_eps(cdst[i], odst[i], t * 2 * FLT_EPSILON)) {
fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
i, cdst[i], odst[i], cdst[i] - odst[i]);
fail();
@ -73,7 +74,8 @@ static void test_vector_dmul(const double *src0, const double *src1)
call_ref(cdst, src0, src1, LEN);
call_new(odst, src0, src1, LEN);
for (i = 0; i < LEN; i++) {
if (!double_near_abs_eps(cdst[i], odst[i], DBL_EPSILON)) {
double t = fabs(src0[i]) + fabs(src1[i]) + fabs(src0[i] * src1[i]) + 1.0;
if (!double_near_abs_eps(cdst[i], odst[i], t * 2 * DBL_EPSILON)) {
fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
i, cdst[i], odst[i], cdst[i] - odst[i]);
fail();
@ -117,7 +119,8 @@ static void test_vector_fmul_scalar(const float *src0, const float *src1)
call_ref(cdst, src0, src1[0], LEN);
call_new(odst, src0, src1[0], LEN);
for (i = 0; i < LEN; i++) {
if (!float_near_abs_eps(cdst[i], odst[i], FLT_EPSILON)) {
double t = fabs(src0[i]) + fabs(src1[0]) + fabs(src0[i] * src1[0]) + 1.0;
if (!float_near_abs_eps(cdst[i], odst[i], t * 2 * FLT_EPSILON)) {
fprintf(stderr, "%d: %- .12f - %- .12f = % .12g\n",
i, cdst[i], odst[i], cdst[i] - odst[i]);
fail();