num::umfpack_factor¶
Defined in header <linear/sparse/umfpack.hpp>
class umfpack_factor;
Reusable sparse LU factorization backed by SuiteSparse UMFPACK.
Members¶
| member | description |
|---|---|
explicit umfpack_factor(const spmat &matrix) |
Factor a square CSR matrix; throws when UMFPACK is unavailable or factorization fails. |
umfpack_factor(umfpack_factor &&) noexcept |
|
umfpack_factor &operator=(umfpack_factor &&) noexcept |
|
idx size() const noexcept |
Return the order of the factored matrix. |