FA-99369 / Embedding vector normalization / Member archive
Weighted pooling divides by token count · case 04
Weighted pooling divides by token count.
Case contract
Pool equal-width vectors with nonnegative weights into a weighted mean; total weight zero or no vectors 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 |
|---|---|---|---|
| unequal weights | [12, 28] | [3.0, 7.0] | Failed |
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