[Octave-bug-tracker] [bug #50508] datenum() crashes for non-integer month arrays

[Lars Kindermann]

Follow-up Comment #7, bug #50508 (project octave):

this works fine now:


>> datestr(datenum(2000:2004,2.5,1, 0,0,0))
ans =

15-Feb-2000 12:00:00
15-Feb-2001 00:00:00
15-Feb-2002 00:00:00
15-Feb-2003 00:00:00
15-Feb-2004 12:00:00


add one hour


>> datestr(datenum(2000:2004,2.5,1, 1,0,0))
ans =

15-Feb-2000 13:00:00
15-Feb-2001 01:00:00
15-Feb-2002 01:00:00
15-Feb-2003 01:00:00
15-Feb-2004 13:00:00


that looks good, too, same with 11 hours


>> datestr(datenum(2000:2004,2.5,1, 11,0,0))
ans =

15-Feb-2000 23:00:00
15-Feb-2001 11:00:00
15-Feb-2002 11:00:00
15-Feb-2003 11:00:00
15-Feb-2004 23:00:00


but what happens with 12 hours on non leap years?


>> datestr(datenum(2000:2004,2.5,1, 12,0,0))
ans =

16-Feb-2000
15-Feb-2001
15-Feb-2002
15-Feb-2003
16-Feb-2004


I slowly understand why matlab people decided to not support fractional month
but just round it down...

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