FA-99424 / Embedding vector normalization / Member archive
Coordinate power pooling averages before applying sign · case 04
Coordinate power pooling averages before applying sign.
Case contract
For equal-width vectors, return sign(mean)*sqrt(abs(mean)) per coordinate; 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 |
|---|---|---|---|
| nonzero mean | [2.732050807568877] | [2.8284271247461903] | Failed |
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