[Interest] Change of qRound

[Björn Piltz]

Hi all,
is there a specific reason for the change of qRound() in Qt 6? qRound(-0.5)
now returns -1 and not 0.

I'm not so interested in correctness, but I have code assuming the range
-0.5 - 255.5 maps to 0-256 which now needs to be updated.
I probably should approximate the more mathematically correct -0.499... -
255.5

Thanks!
Björn
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