\returns a quaternion representing an identity rotation * \sa MatrixBase::Identity() */

* \brief Returns an identity transformation. * \todo In the future this function should be returning a Transform expression. */

\returns a quaternion representing an identity rotation * \sa MatrixBase::Identity() */

NOTE: we have to prefix Index by "typename Lhs::" to avoid an ICE with VC11

Default constructor. */

Default constructor * \param vec the vector on which we iterate * \param epsilon the minimal value used to prune zero coefficients.

Default constructor without any initialization. */

\brief Default Constructor. * * The default constructor is useful in cases in which the user intends to * perform decompositions via

\brief Default Constructor. * * The default constructor is useful in cases in which the user intends to * perform decompositions via

* \brief Default Constructor. * * The default constructor is useful in cases in which the user intends to * perform decompositions v

Constructors

Constructs a Mapped Quaternion object from the pointer \a coeffs * * The pointer \a coeffs must reference the four coefficients of Quatern

Constructs a Mapped Quaternion object from the pointer \a coeffs * * The pointer \a coeffs must reference the four coefficients of Quatern

Constructor in the fixed-size case. * * \param dataPtr pointer to the array to map * \param a_stride optional Stride object, passing

\brief Default constructor. * * For fixed-size matrices, does nothing. * * For dynamic-size matrices, creates an empty matrix