B à‹dM ã@s\dZddlZddlZdZddlmZddlmZdd„Z d d „Z d d „Z d d„Z dd„Z dS)zf This module provides a few time-related utilities that have been used in burst searches in the past. éNz"Kipp Cannon é)Údate)ÚversioncCst |d|||¡S)N)ggg)ÚlalZArrivalTimeDiff)ÚposÚraÚdecÚgps©r úZ/work/yifan.wang/ringdown/master-ringdown-env/lib/python3.7/site-packages/lalburst/date.pyÚXLALTimeDelayFromEarthCenter5sr cCs>tt t|ƒ¡ƒ}d|d<d|d<d|d<t t t|ƒ¡¡S)z+ Truncate a LIGOTimeGPS to UTC midnight. rééé)ÚlistrZGPSToUTCÚintZ LIGOTimeGPSZUTCToGPSÚtuple)r Útmr r r Ú utc_midnightBs rccs@t|ƒ}||krt|dƒ}x||kr:|Vt|dƒ}qWdS)zB Iterator for generating LIGOTimeGPS objects for UTC midnights. i‚QN)r)ÚstartÚendÚmidnightr r r Ú UTCMidnightsRs   rcCs.t |¡}|dtj}|r$||8}t |¡S)z< Truncate a LIGOTimeGPS to Greenwich mean sidereal 0 rad. g@)rZGreenwichMeanSiderealTimeÚmathÚpiZGreenwichMeanSiderealTimeToGPS)r ZgmstZresidualr r r Úgmst_0has  rccs@t|ƒ}||krt|dƒ}x||kr:|Vt|dƒ}qWdS)zP Iterator for generating LIGOTimeGPS objects for Greenwich Mean Sidereal 0h. i‚QN)r)rrrr r r ÚGMST_0hsls   r)Ú__doc__rrÚ __author__Z git_versionrÚ__date__rÚ __version__r rrrrr r r r Ús