FA-100460 / Sparse tensor canonicalization / Member archive
Sparse tensor: CSR row pointers omit empty rows · case 05
CSR row pointers omit empty rows.
Case contract
Build CSR row pointers for a matrix with given row count and sorted unique COO entries; repeated pointer values represent empty rows.
Why this case matters
A small offline sparse-array operation has explicit coordinate and storage semantics.
One recorded failure
Sample boundary fixtureThis sample comes from the broken implementation of a controlled reproducer.
| Boundary fixture | Actual | Expected | Outcome |
|---|---|---|---|
| middle empty | [0, 1, 2] | [0, 1, 1, 1, 1, 1, 1, 2] | Failed |
MEMBER ARCHIVE
The complete case is available to members.
This record includes three runnable implementations, regression fixtures, execution results, and source hashes.
Member access is invitation-based. Sign in with your invited account to inspect the sources.
Sign in to the archive ↗