cah b04813fa7c feat: add normalized min-sum CN update mode ...

Add cn_mode ('offset'/'normalized') and alpha parameters to
min_sum_cn_update() in ldpc_sim.py and generic_decode() in
ldpc_analysis.py. Normalized mode scales magnitudes by alpha
(default 0.75) instead of subtracting a fixed offset, which
is better suited for low-rate codes.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

2026-02-24 16:35:28 -07:00

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