FA-97995 / Training label alignment / Member archive
A class permutation is applied in the wrong direction · case 05
A class permutation is applied in the wrong direction.
Case contract
Given labels and permutation where permutation[new_index]=old_index, return remapped labels; out-of-range labels are -1.
Why this case matters
A small deterministic training-data operation makes label ownership and ordering explicit.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| noninvolutive map | [1, 2, 0] | [2, 0, 1] | Failed |
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This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
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