I have found the cause of the problem. It has to do with leap years. I now have an ugly fix, which I will try to make neat and tidy before committing.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/127505 Title: [Upstream] [hardy] YEARFRAC function returns incorrect results for some dates To manage notifications about this bug go to: https://bugs.launchpad.net/df-libreoffice/+bug/127505/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
