2.2. igraph_arpack_storage_t — Storage for ARPACK

2.2. `igraph_arpack_storage_t` — Storage for ARPACK

typedef struct igraph_arpack_storage_t {
  long int maxn, maxncv, maxldv;
  igraph_real_t *v;
  igraph_real_t *workl;
  igraph_real_t *workd;
  igraph_real_t *d;
  igraph_real_t *resid;
  igraph_real_t *ax;
  long int *select;
  igraph_real_t *di;		/* These two only for non-symmetric problems */
  igraph_real_t *workev;
} igraph_arpack_storage_t;

Public members, do not modify them directly, these are considered to be read-only.

Values:

`maxn`:	Maximum rank of matrix.
`maxncv`:	Maximum NCV.
`maxldv`:	Maximum LDV.

These members are considered to be private:

Values:

`workl`:	Working memory.
`workd`:	Working memory.
`d`:	Memory for eigenvalues.
`resid`:	Memory for residuals.
`ax`:	Working memory.
`select`:	Working memory.
`di`:	Memory for eigenvalues, non-symmetric case only.
`workev`:	Working memory, non-symmetric case only.