| Server IP : 54.37.205.81 / Your IP : 216.73.216.76 Web Server : nginx/1.22.1 System : Linux vps-249481fa 6.1.0-50-cloud-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.1.176-1 (2026-07-02) x86_64 User : debian ( 1000) PHP Version : 8.2.32 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : OFF | Sudo : ON | Pkexec : OFF Directory : /lib/python3/dist-packages/nltk/lm/ |
Upload File : |
# Natural Language Toolkit
#
# Copyright (C) 2001-2022 NLTK Project
# Author: Ilia Kurenkov <ilia.kurenkov@gmail.com>
# URL: <https://www.nltk.org/>
# For license information, see LICENSE.TXT
"""Language Model Utilities"""
from math import log
NEG_INF = float("-inf")
POS_INF = float("inf")
def log_base2(score):
"""Convenience function for computing logarithms with base 2."""
if score == 0.0:
return NEG_INF
return log(score, 2)