Free all the data allocated by Pastix

\copydoc SparseMatrix::coeff */

\returns the column index of the current coefficient.

\returns the pointer increment between two consecutive columns. * * \sa innerStride(), outerStride(), rowStride() */

\copydoc SparseMatrixBase::cols() */

\returns the number of columns. \sa rows(), ColsAtCompileTime*/

\returns the number of rows */

\returns the number of columns of the equivalent permutation matrix */

\copydoc EigenBase::cols() */