Here are the data structures with brief descriptions:

Ccompressed_column_sparse_matrix	Sparse matrix in compressed column storage
Cladel_alloc_config_t
Cladel_col_struct	Column of a sparse matrix
Cladel_diag_struct	Structure representing a multiple of the identity matrix
Cladel_print_config_t
Cladel_set_struct	Set of integers
Cldl_factors	Factors of an \(LDL^T\) factorization
Csymbolic_cholesky_information	Structure capturing symbolic information used for and during the factorization
Cworkspace	Workspace required for various routines in LADEL