< Index of elements from P and A to KKT matrix
< inverse of diag matrix in LDL (as a vector)
< Permuted KKT matrix in sparse form (used to update P and A matrices)
* @name Attributes * @{ *////< lower triangular matrix in LDL factorizatio
< permutation of KKT matrix for factorization
< index and number of diagonal elements in P
< workspace memory for solves
< Free workspace (only if desktop)
< number of QP constraints
< number of QP variables
< polishing flag
< parameter vector
< Index of rho places in KKT matrix
< scalar parameter
< solution to the KKT system
@name Functions @{
< Update solver matrices
< Update rho_vec parameter
QDLDL solver structure