negative-input-causes-nontermination

Status: OUT

`hamming_weight` has no guard against negative inputs; on Python's arbitrary-precision integers, `n &= n - 1` on a negative value never reaches zero, causing an infinite loop

Source: entries/2026/06/06/number-of-1-bits-solution.md

Depended on by

• streaming-fixed-point-of-solution-space
• streaming-quality-divergence-requires-safety
• streaming-safe-within-problem-domain

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