You want:
AF64=LU(Float64.(A), AF.ipiv, AF.info)
(The p property is not actually stored, but rather is computed by LinearAlgebra.ipiv2perm.)
You want:
AF64=LU(Float64.(A), AF.ipiv, AF.info)
(The p property is not actually stored, but rather is computed by LinearAlgebra.ipiv2perm.)