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caldat strange behavior CALDAT, JulianDay, NULL, NULL, GetYear [message #84011]

Wed, 24 April 2013 13:31

MarioIncandenza
Messages: 231
Registered: February 2005

Senior Member

IDL> print,qqtjd,format='(C())'
;Mon Sep 24 21:00:00 2012
IDL> qq=temporary(null) & qq=0; undefine NULL
IDL> caldat,qqtjd,null,null,tyyyy;get year from TJD
IDL> print,percentiles(tyyyy)
; 2014 2014 2014 2014 2014
IDL> print,percentiles(null)
; 1 1 1 1 1
IDL> caldat,qqtjd,mnull,dnull,tyyyy;get year from TJD
IDL> print,percentiles(tyyyy)
; 2012 2012 2012 2012 2012
IDL> print,percentiles(mnull)
; 9 9 9 9 9
IDL> print,percentiles(dnull)
; 24 24 24 24 24

Basically, if you give the argument NULL to both the Month and Day in CALDAT, things go very wrong. I am pretty confident this is new behavior.

IDL> print,!version
;{ x86_64 linux unix linux 8.2.1 Aug 20 2012 64 64}

--Edward H.

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