Lionel Elie Mamane committed a patch related to this issue. It has been pushed to "libreoffice-4-0":
http://cgit.freedesktop.org/libreoffice/core/commit/?id=e612d5cfaf1ea95d5475978fe1393732fd46ff04&h=libreoffice-4-0 fdo#40100 make function YEARFRAC comply with ODF Version 1.2 It will be available in LibreOffice 4.0.6. The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback. -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to openoffice.org in Ubuntu. https://bugs.launchpad.net/bugs/127505 Title: [Upstream] [hardy] YEARFRAC function returns incorrect results for some dates Status in LibreOffice Productivity Suite: Fix Released Status in The OpenOffice.org Suite: In Progress Status in “libreoffice” package in Ubuntu: Triaged Status in “openoffice.org” package in Ubuntu: Won't Fix Bug description: Binary package hint: openoffice.org 1) lsb_release -rd Description: Ubuntu 11.04 Release: 11.04 2) apt-cache policy libreoffice-calc libreoffice-calc: Installed: 1:3.3.3-1ubuntu2 Candidate: 1:3.3.3-1ubuntu2 Version table: *** 1:3.3.3-1ubuntu2 0 100 /var/lib/dpkg/status 1:3.3.2-1ubuntu5 0 500 http://us.archive.ubuntu.com/ubuntu/ natty-updates/main i386 Packages 1:3.3.2-1ubuntu4 0 500 http://us.archive.ubuntu.com/ubuntu/ natty/main i386 Packages 3) What is expected to happen is when one types in a cell either: =YEARFRAC(DATE(1958,3,1),DATE(1996,1,1),1) =YEARFRAC(DATE(1958,3,1),DATE(1995,12,31),1) one gets two different results. 4) What happens instead is they are identical: 37.8356164384 37.8356164384 WORKAROUND: Use Gnumeric as the results are: 37.8364338364338 37.8357230348008 apt-cache policy gnumeric gnumeric: Installed: 1.10.13-1ubuntu1 Candidate: 1.10.13-1ubuntu1 Version table: *** 1.10.13-1ubuntu1 0 500 http://us.archive.ubuntu.com/ubuntu/ natty/universe i386 Packages 100 /var/lib/dpkg/status Original Reporter Comments: This occurs whenever the "End date" is in a leap year (New Year's Eve/Day is convenient) and the "Start date" is not in a leap year but is later than 28-Feb of its year. For example, "Start dates" between "1.1.1958" and "2.28.1958" in the above examples work correctly. To manage notifications about this bug go to: https://bugs.launchpad.net/df-libreoffice/+bug/127505/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp