Method isCompressed

Eigen/src/SparseCore/SparseCompressedBase.h:107–107

\returns whether \c *this is in compressed form. */

    
    /** \returns whether \c *this is in compressed form. */
    inline bool isCompressed() const { return innerNonZeroPtr()==0; }

    /** \returns a read-only view of the stored coefficients as a 1D array expression.
      *