>
> After an upgrade to Qt 4.8.5 I didn't see any significant difference.
> (Only one difference: no more black rectangle in the matrix.)
>
> Le samedi, juillet 20, 2013 � 03:39:36 AM, Tom Breton (Tehom) a
�crit :
>>> Le vendredi, juillet 19, 2013 � 07:04:48 PM, Tom Breton (Tehom)
>>> a
>
>>So I wondered if maybe Logarithmic was calculating crazy timeRatios and
>>therefore making us scribble events outside the proper time interval.
>>That shouldn't screw up the display like that, though. It doesn't for
>>other insert-event-at-crazy-time bugs.
>
> Looking in the code, I discovered the problem was indeed here.
I'm cc-ing Tim Munro. That bit of code (the Logarithmic calculations) is
from his patch so he should be in the loop.
> When ramp start value end end value are the same, the timeRation computed
> is a nan (0/0) (at
> least on my system) and all the events are inserted at time
> -9223372036854775808 which gave
> the strange GUI behaviour I observed.
>
> I have no idea why I was the only one to see the problem.
Possibly your compiler handles floating point or NaN differently?
> I just commited a fix which seems to work here (with Qt 4.7.4 as with Qt
> 4.8.5).
Thank you.
It changes the other branches' logic a little. If you don't mind, I'm
going to write a slightly different fix.
> I didn't test it extensively. So thanks to verify I didn't break anything.
I will.
Tom Breton (Tehom)
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