Bug#422712: gs-esp: pstoraster fails with signal 11 when printing cups testpage
On Sunday 23 January 2011, Jonathan Nieder wrote:
> That helps. If I understand correctly then
>
> by = lasty % btile->size.y;
> if (by < 0)
> by += btile->size.y;
>
> would be another way to convey the same thing.
Probably. The behaviour of the mod operator with negative numbers has been
undefined at some points in time, and is something that a compiler might get
wrong - I prefer to avoid applying the modulo function to a negative number
at all, hence the longer version in my patch.
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