It seems to be a bug.
As shown in the figure, the computed closest vector is not in the lattice.
For copy-paste convenience, see the following.
from sage.modules.free_module_integer import IntegerLattice
L = Matrix(ZZ,[[20957228, -4966110],[ 9411844, 19625639]])
L = IntegerLattice(L)
targ = Matrix
On Mon, Jun 8, 2020 at 12:21 AM Dima Pasechnik wrote:
>
> error: could not read from
> 'build/lib.linux-x86_64-3.7/scipy/linalg/_solve_toeplitz.cpython-37m-x86_64-linux-gnu.so':
> Input/output error
>
> seems to indicate a hardware error. Check your harddisk,
>
> On Mon, Jun 8, 2020 at 12:02 AM Go