FA-98520 / Beam search bookkeeping / Member archive
Beam search: zero-width search retains one live hypothesis · case 05
zero-width search retains one live hypothesis.
Case contract
Return the top width candidate rows; width is a nonnegative integer.
Why this case matters
Beam decoders rely on consistent hypothesis state while expanding and ranking candidates.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| zero width | [["b", 6]] | [] | Failed |
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