struct
type int_array = int array
type elt_array = (Complex.t, complex64_elt, c_layout) Array1.t
| (** record definition for sparse matrix *) |
type spmat_record = {
mutable m : int; (* number of rows *)
mutable n : int; (* number of columns *)
mutable i : int_array; (* i index, meaning depends on the matrix format *)
mutable d : elt_array; (* where data actually stored *)
mutable p : int_array; (* p index, meaning depends on the matrix format *)
mutable nz : int; (* total number of non-zero elements *)
mutable typ : int; (* sparse matrix format, 0:triplet; 1:CCS; 2:CRS *)
mutable h : (int, int) Hashtbl.t
}
end