3
­dÚ  ã               @   s,   d Z ddlmZ edƒZedƒZdd„ ZdS )zLanguage Model Utilitiesé    )Úlogz-infÚinfc             C   s   | dkrt S t| dƒS )z:Convenience function for computing logarithms with base 2.g        é   )ÚNEG_INFr   )Zscore© r   ú,/tmp/pip-build-v9q4h5k9/nltk/nltk/lm/util.pyÚ	log_base2   s    r   N)Ú__doc__Úmathr   Úfloatr   ZPOS_INFr   r   r   r   r   Ú<module>   s   