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authorTor Lillqvist <tml@collabora.com>2015-02-06 20:53:59 +0200
committerJan Holesovsky <kendy@collabora.com>2015-02-10 12:25:54 +0000
commit91a425313d54f3a2a61aee55786cb5ce22fae130 (patch)
treedfe11c1cd2654b6b6de7b0f6f550c9ce0e345c98 /sc/source/core/inc
parentf262e1b1356488515972916c3e11ec210d22cdd9 (diff)
Handle zero or empty cells properly when using OpenCL for division
This is a combination of 4 commits from master: 4f4daf163e92d113b62cc19fb0b7f5ec05dce48a: Introduce SetResultError() f7c6089c0f5ac7976149d270f6d9694ef8ed7cfd: Be prepared to handle error codes encoded in NaNs ("double error") f6dfb3b4098f4554782e35fdb471ef69f2f53386: Create proper error when dividing by zero. Create a so-called "double error", i.e. a NaN with a error code payload. f5e7207053b857b6903a0ab9c161bed9ad7bcee9: Handle zero and empty cells (which also means zero) in OpenCL for division. Not sure if it makes sense to keep having OpDiv a subclass of Reduction. There is no DIV() function that would take a range of cells, so it isn't really comparable to the other Reducion subclasses. But let's keep hat as it is for now. We need to handle three cases specially in the OpenCL: Dividing by an empty cell which should produce an #DIV/0! error, dividing an empty cell by zero which also should produce #DIV/0!, and dividing an empty cell with anything else number which should produce 0. Change-Id: I86d86f652047d6f9e3c095c3ef135a8f5396b000 Reviewed-on: https://gerrit.libreoffice.org/14395 Reviewed-by: Jan Holesovsky <kendy@collabora.com> Tested-by: Jan Holesovsky <kendy@collabora.com>
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