> Here's a simple lattice which triggers the bug on my 32 bit machine.
> (It's the zero rows which are not handled cleanly causing it to size
> reduce in very odd ways...) For a 64 bit machine I have a much larger
> example which breaks it.
>
> [[0 0 0 0 0]
> [0 0 0 0 0]
> [1 0 0 0 11]
> [0 1 0 0
We've been working on factoring polynomials in FLINT very intensively
the last couple months. So we've been making floating point LLL in
FLINT. During the process I just discovered what I thought was my bug
but is actually a bug in fpLLL which means it's a bug in SAGE too.
Here's a simple lattic