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

\internal return the index of the coeff at (row,col) or just before if it does not exist. * This is an analogue of std::lower_bound. */

\internal \returns b if a<=0, and returns a otherwise. */

\internal */

\brief Constructs the Hessenberg matrix H in the decomposition * * \returns expression object representing the matrix H * * \p

\brief Returns the unitary matrix Q in the decomposition * * \returns object representing the matrix Q * * \pre Either the con

\returns the max number of threads reserved for Eigen * \sa setNbThreads */

\internal * Queries and returns the cache sizes in Bytes of the L1, L2, and L3 data caches respectively */

dummy resize function

\returns the number of rows. \sa cols() */

\returns the number of columns */

Removes all non zeros but keep allocated memory * * This function does not free the currently allocated memory. To release as much as memo

fuctionally equivalent to _mm_shuffle_pd in SSE (i.e. shuffle(m, n, mask) equals _mm_shuffle_pd(m,n,mask)) Currently used in LU/arch/InverseSize4.h to

\returns the squared norm of the quaternion's coefficients * \sa QuaternionBase::norm(), MatrixBase::squaredNorm() */

Free symbolic

Turns the matrix into the uncompressed mode */

These constants are endian-agnostic

\returns the value of the rotation angle in radian */

Cluster X into K clusters using FAISS IVF. Returns ------- centroids : np.ndarray, shape (K, dim), float32 cluster_ids : np.nd

* Number of columns */

\returns The determinant of the matrix. * * \sa absDeterminant(), logAbsDeterminant() */