FA-99378 / Embedding vector normalization / Member archive
Length-normalized pooling divides by squared token count · case 03
Length-normalized pooling divides by squared token count.
Case contract
Return the arithmetic mean of equal-width token vectors; empty input returns empty.
Why this case matters
A small embedding preparation contract can be checked without a model or retrieval system.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| length two | [3.0, 1.5] | [6, 3] | Failed |
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