The RANK() results depended on the floating point representation of time differences (durations), which for visually equal MM:SS display values don't have to be equal if similar durations result from different start and end times. Change that to a well defined duration in seconds.
Change-Id: Ib69a6b43f48abd2d4fe605021acfd2800e75b5e1 Reviewed-on: https://gerrit.libreoffice.org/71926
8de7949050d6 Test RANK(), not the underlying floating point representation of duration
.../unit/data/functions/statistical/fods/rank.fods | 739 ++++++++-------------
1 file changed, 278 insertions(+), 461 deletions(-)