FA-48940 / PCM sample encoding / Member archive
Ones complement pcm: negative zero policy · case 05
A caller-requested zero canonicalization policy is ignored.
Case contract
Decode bounded ones-complement PCM fields; optionally preserve a per-sample negative-zero sideband while numeric zero stays JSON integer zero.
Why this case matters
Offline PCM interchange uses these exact bounded packet and sample representation decisions.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| oracle 2 | [[0, 0, -7], [true, false, false]] | [[0, 0, -7], [false, false, false]] | Failed |
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