NgHdZddlmZedZedZdZdS)zLanguage Model Utilities)logz-infinfc<|dkrtSt|dS)z:Convenience function for computing logarithms with base 2.g)NEG_INFr)scores H/var/www/html/ai-engine/env/lib/python3.11/site-packages/nltk/lm/util.py log_base2r s || ua==N)__doc__mathrfloatrPOS_INFr r r rsR %-- %,,r