Detailed Description

Various enumerations used in Eigen.

Many of these are used as template parameters.

Collaboration diagram for Enumerations:

Enumerations
enum	{ Eigen::Lower = 0x1, Eigen::Upper = 0x2, Eigen::UnitDiag = 0x4, Eigen::ZeroDiag = 0x8, Eigen::UnitLower = UnitDiag\|Lower, Eigen::UnitUpper = UnitDiag\|Upper, Eigen::StrictlyLower = ZeroDiag\|Lower, Eigen::StrictlyUpper = ZeroDiag\|Upper, Eigen::SelfAdjoint = 0x10 }
	Enum containing possible values for the `Mode` parameter of MatrixBase::selfadjointView() and MatrixBase::triangularView(). More...
enum	{ Eigen::Unaligned = 0, Eigen::Aligned = 1 }
	Enum for indicating whether an object is aligned or not. More...
enum	Eigen::CornerType { Eigen::TopLeft, Eigen::TopRight, Eigen::BottomLeft, Eigen::BottomRight }
	Enum used by DenseBase::corner() in Eigen2 compatibility mode. More...
enum	Eigen::DirectionType { Eigen::Vertical, Eigen::Horizontal, Eigen::BothDirections }
	Enum containing possible values for the `Direction` parameter of Reverse, PartialReduxExpr and VectorwiseOp. More...
enum	{ Eigen::ColMajor = 0, Eigen::RowMajor = 0x1, Eigen::AutoAlign = 0, Eigen::DontAlign = 0x2 }
	Enum containing possible values for the `_Options` template parameter of Matrix, Array and BandMatrix. More...
enum	{ Eigen::OnTheLeft = 1, Eigen::OnTheRight = 2 }
	Enum for specifying whether to apply or solve on the left or right. More...
enum	Eigen::AccessorLevels { Eigen::ReadOnlyAccessors, Eigen::WriteAccessors, Eigen::DirectAccessors, Eigen::DirectWriteAccessors }
	Used as template parameter in DenseCoeffBase and MapBase to indicate which accessors should be provided. More...
enum	Eigen::DecompositionOptions { Eigen::Pivoting = 0x01, Eigen::NoPivoting = 0x02, Eigen::ComputeFullU = 0x04, Eigen::ComputeThinU = 0x08, Eigen::ComputeFullV = 0x10, Eigen::ComputeThinV = 0x20, Eigen::EigenvaluesOnly = 0x40, Eigen::ComputeEigenvectors = 0x80, Eigen::EigVecMask = EigenvaluesOnly \| ComputeEigenvectors, Eigen::Ax_lBx = 0x100, Eigen::ABx_lx = 0x200, Eigen::BAx_lx = 0x400, Eigen::GenEigMask = Ax_lBx \| ABx_lx \| BAx_lx }
	Enum with options to give to various decompositions. More...
enum	Eigen::QRPreconditioners { Eigen::NoQRPreconditioner, Eigen::HouseholderQRPreconditioner, Eigen::ColPivHouseholderQRPreconditioner, Eigen::FullPivHouseholderQRPreconditioner }
	Possible values for the `QRPreconditioner` template parameter of JacobiSVD. More...
enum	Eigen::TransformTraits { Eigen::Isometry = 0x1, Eigen::Affine = 0x2, Eigen::AffineCompact = 0x10 \| Affine, Eigen::Projective = 0x20 }
	Enum used to specify how a particular transformation is stored in a matrix. More...

Enumeration Type Documentation

anonymous enum

Enum containing possible values for the Mode parameter of MatrixBase::selfadjointView() and MatrixBase::triangularView().

Enumerator:

Lower	View matrix as a lower triangular matrix.
Upper	View matrix as an upper triangular matrix.
UnitDiag	Matrix has ones on the diagonal; to be used in combination with Lower or Upper.
ZeroDiag	Matrix has zeros on the diagonal; to be used in combination with Lower or Upper.
UnitLower	View matrix as a lower triangular matrix with ones on the diagonal.
UnitUpper	View matrix as an upper triangular matrix with ones on the diagonal.
StrictlyLower	View matrix as a lower triangular matrix with zeros on the diagonal.
StrictlyUpper	View matrix as an upper triangular matrix with zeros on the diagonal.
SelfAdjoint	Used in BandMatrix and SelfAdjointView to indicate that the matrix is self-adjoint.

Definition at line 178 of file Core.

anonymous enum

Enum for indicating whether an object is aligned or not.

Enumerator:

Unaligned	Object is not correctly aligned for vectorization.
Aligned	Object is aligned for vectorization.

Definition at line 201 of file Core.

anonymous enum

Enum containing possible values for the _Options template parameter of Matrix, Array and BandMatrix.

Enumerator:

ColMajor	Storage order is column major (see TopicStorageOrders).
RowMajor	Storage order is row major (see TopicStorageOrders).
AutoAlign
DontAlign

Definition at line 264 of file Core.

anonymous enum

Enum for specifying whether to apply or solve on the left or right.

Enumerator:

OnTheLeft	Apply transformation on the left.
OnTheRight	Apply transformation on the right.

Definition at line 277 of file Core.

enum Eigen::AccessorLevels

Used as template parameter in DenseCoeffBase and MapBase to indicate which accessors should be provided.

Enumerator:

ReadOnlyAccessors	Read-only access via a member function.
WriteAccessors	Read/write access via member functions.
DirectAccessors	Direct read-only access to the coefficients.
DirectWriteAccessors	Direct read/write access to the coefficients.

Definition at line 315 of file Core.

enum Eigen::CornerType

Enum used by DenseBase::corner() in Eigen2 compatibility mode.

Enumerator:

TopLeft
TopRight
BottomLeft
BottomRight

Definition at line 212 of file Core.

enum Eigen::DecompositionOptions

Enum with options to give to various decompositions.

Enumerator:

Pivoting
NoPivoting
ComputeFullU	Used in JacobiSVD to indicate that the square matrix U is to be computed.
ComputeThinU	Used in JacobiSVD to indicate that the thin matrix U is to be computed.
ComputeFullV	Used in JacobiSVD to indicate that the square matrix V is to be computed.
ComputeThinV	Used in JacobiSVD to indicate that the thin matrix V is to be computed.
EigenvaluesOnly	Used in SelfAdjointEigenSolver and GeneralizedSelfAdjointEigenSolver to specify that only the eigenvalues are to be computed and not the eigenvectors.
ComputeEigenvectors	Used in SelfAdjointEigenSolver and GeneralizedSelfAdjointEigenSolver to specify that both the eigenvalues and the eigenvectors are to be computed.
EigVecMask
Ax_lBx	Used in GeneralizedSelfAdjointEigenSolver to indicate that it should solve the generalized eigenproblem $Ax = \lambda B x$ .
ABx_lx	Used in GeneralizedSelfAdjointEigenSolver to indicate that it should solve the generalized eigenproblem $ABx = \lambda x$ .
BAx_lx	Used in GeneralizedSelfAdjointEigenSolver to indicate that it should solve the generalized eigenproblem $BAx = \lambda x$ .
GenEigMask

Definition at line 328 of file Core.

enum Eigen::DirectionType

Enum containing possible values for the Direction parameter of Reverse, PartialReduxExpr and VectorwiseOp.

Enumerator:

Vertical	For Reverse, all columns are reversed; for PartialReduxExpr and VectorwiseOp, act on columns.
Horizontal	For Reverse, all rows are reversed; for PartialReduxExpr and VectorwiseOp, act on rows.
BothDirections	For Reverse, both rows and columns are reversed; not used for PartialReduxExpr and VectorwiseOp.

Definition at line 217 of file Core.

enum Eigen::QRPreconditioners

Possible values for the QRPreconditioner template parameter of JacobiSVD.

Enumerator:

NoQRPreconditioner	Do not specify what is to be done if the SVD of a non-square matrix is asked for.
HouseholderQRPreconditioner	Use a QR decomposition without pivoting as the first step.
ColPivHouseholderQRPreconditioner	Use a QR decomposition with column pivoting as the first step.
FullPivHouseholderQRPreconditioner	Use a QR decomposition with full pivoting as the first step.

Definition at line 364 of file Core.

enum Eigen::TransformTraits

Enum used to specify how a particular transformation is stored in a matrix.

See also:: Transform, Hyperplane::transform().

Enumerator:

Isometry	Transformation is an isometry.
Affine	Transformation is an affine transformation stored as a (Dim+1)^2 matrix whose last row is assumed to be [0 ... 0 1].
AffineCompact	Transformation is an affine transformation stored as a (Dim) x (Dim+1) matrix.
Projective	Transformation is a general projective transformation stored as a (Dim+1)^2 matrix.

Definition at line 393 of file Core.