Save an extra call to count_leading_zeros in _nmod_mat_set_mod.
Save an extra call to count_leading_zeros in _nmod_mat_set_mod.

wbhart/flint2,jpflori/flint2,jpflori/flint2,fredrik-johansson/flint2,wbhart/flint2,jpflori/flint2,dsroche/flint2,dsroche/flint2,dsroche/flint2,fredrik-johansson/flint2,fredrik-johansson/flint2,wbhart/flint2,jpflori/flint2,dsroche/flint2