[Libreoffice-bugs] [Bug 119904] Spreadsheet formula corrupt with 6.1.1.2

[bugzilla-daemon at bugs.documentfoundation.org]

https://bugs.documentfoundation.org/show_bug.cgi?id=119904

--- Comment #19 from tim at tim-passingham.co.uk ---
(In reply to Oliver Brinzing from comment #17)
> Created attachment 144914 [details]
> opencl software interpreter enabled
> 
> confirming with lo 6.1.1.2
> 
> reproducible with enabled option:
> [x] Allow use of Software Interpreter 
> 
> even when OpenCL is not available
That's a relief (for me at least!).  I spent quite some time hunting for
something that would make the behaviour stable and reproducible, including
several ods files and 3 different computers.  Why it varied for different ods
sheets I have no idea.

I have also double-checked my Windows 10 version.  If I turn on the full OpenCL
the issue goes away (even with the Software Interpeter option on).  If I turn
off full OpenCL and leave the other option on, I get the problem.  If I have
both options off, the problem is not present.

I think that pins the problem down to the OpenCL Software Interpreter option in
6.1.1.2 and 6.1.2.  With that set on, clearly some calculations are unstable at
best, and sometimes badly wrong, as in the case of my test sheet.

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