https://bugs.kde.org/show_bug.cgi?id=305925
Jörg Habenicht <j.habeni...@gmx.de> changed:
What |Removed |Added
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CC| |j.habeni...@gmx.de
--- Comment #8 from Jörg Habenicht <j.habeni...@gmx.de> ---
Sorry for necromancing this one. But the errors still persist.
The second one: inverting (+/-) 0xFFFF FFFF FFFF FFFE should result in 0x2 and
not 0x0.
And the first one: 0xFFFF FFFF FFFF FFFF * (-1) should result in 0x1 not 0x0.
For the first one me thinks the calculator resolves 0xFFFF FFFF FFFF FFFF *
(-1) into 0xFFFF FFFF FFFF FFFF * 1 (+/-) which results (wrongly) into 0x0, see
the second error.
So in conclusion there seems to be a calculation error 0xFFFF FFFF FFFF FFFF
(+/-) => 0x0.
And there seems to be an error in the GUI: if I use plus-minus (+/-) with my
pocket calculator, the key just changes the currently displayed number. And in
kcalc the plus-minus key seems to resolve the calculation and then negates the
solution. Which I expect to be different.
If the second error can not be fixed in the Calculator class, is it appropriate
to let the calculator use a different Number class - i.e. BinNumber specialized
on binary calculations?
best regards
J-
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