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20041015: Bug in ut_calendar?
- Subject: 20041015: Bug in ut_calendar?
- Date: Fri, 15 Oct 2004 10:22:19 -0600
Mary,
> Date: Thu, 14 Oct 2004 10:01:23 -0600 (MDT)
> From: Mary Haley <address@hidden>
> To: address@hidden
> Cc: address@hidden
> Subject: Bug in ut_calendar?
The above message contained the following:
> I think we have discovered a bug in utCalendar that surfaces on
> Solaris and AIX, but not RedHat Linux. I've attached a small C program
> that illustrates the problem. Basically, with a units of "months
> since 1870-1-1", you'd expect a time of 0 to return:
>
> year = 1870
> month = 1
> day = 1
> hour = 0
> second= 0
>
> But instead we're getting:
>
> year = 1869
> month = 12
> day = 31
> hour = 23
> second= 59
I suspect that your program would actually print "second= 60". It did
on my system.
> The program works if you replace "1870" with either "1869" or "1871".
> I verified that this problem exists in the latest version of
> Udunits (1.12.2).
>
> Thanks for your time,
Thanks for reporting this.
The problem is one of formatting a time-unit; conversion between
different time-units should work correctly.
I've created a new release (1.12.3) that doesn't have this problem. You
can obtain it at
ftp://ftp.unidata.ucar.edu/pub/udunits/udunits-1.12.3.tar.Z
Regards,
Steve Emmerson