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new 8324c8ea89 checkasm: ac3dsp: Increase the float tolerance for
sum_square_butterfly_float
8324c8ea89 is described below
commit 8324c8ea89975f39c8f83a204210752054b2b98d
Author: Martin Storsjö <[email protected]>
AuthorDate: Tue Mar 3 10:57:22 2026 +0200
Commit: Martin Storsjö <[email protected]>
CommitDate: Wed Mar 4 22:30:40 2026 +0000
checkasm: ac3dsp: Increase the float tolerance for
sum_square_butterfly_float
Accept up to 15 ULP difference.
This fixes running "checkasm --test=ac3dsp <seed>" for the seeds
2043066705, 24168 and 111972 on ARM, and the seeds 40552 and
209754 on aarch64.
This is the same change as 8e4c904c8e30c68ea6c7da3740139bf2f4ffa907,
increasing the tolerance further.
With this change, checkasm passes for over 500 000 seeds on both
ARM and aarch64.
---
tests/checkasm/ac3dsp.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/checkasm/ac3dsp.c b/tests/checkasm/ac3dsp.c
index 97732112a5..fa2fe17276 100644
--- a/tests/checkasm/ac3dsp.c
+++ b/tests/checkasm/ac3dsp.c
@@ -181,7 +181,7 @@ static void
check_ac3_sum_square_butterfly_float(AC3DSPContext *c) {
call_ref(v1, lt, rt, ELEMS);
call_new(v2, lt, rt, ELEMS);
- if (!float_near_ulp_array(v1, v2, 13, 4))
+ if (!float_near_ulp_array(v1, v2, 15, 4))
fail();
bench_new(v2, lt, rt, ELEMS);
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