Detailed Description

template<typename ExpressionType>
class Eigen::ArrayWrapper< ExpressionType >

Expression of a mathematical vector or matrix as an array object.

This class is the return type of MatrixBase::array(), and most of the time this is the only way it is use.

See also: MatrixBase::array(), class MatrixWrapper

Inheritance diagram for Eigen::ArrayWrapper< ExpressionType >:

Public Member Functions
void	resize (Index newSize)

void	resize (Index rows, Index cols)

Public Member Functions inherited from Eigen::ArrayBase< ArrayWrapper< ExpressionType > >
MatrixWrapper< ArrayWrapper< ExpressionType > >	matrix ()

ArrayWrapper< ExpressionType > &	operator*= (const ArrayBase< OtherDerived > &other)

ArrayWrapper< ExpressionType > &	operator+= (const ArrayBase< OtherDerived > &other)

ArrayWrapper< ExpressionType > &	operator-= (const ArrayBase< OtherDerived > &other)

ArrayWrapper< ExpressionType > &	operator/= (const ArrayBase< OtherDerived > &other)

ArrayWrapper< ExpressionType > &	operator= (const ArrayBase &other)

ArrayWrapper< ExpressionType > &	operator= (const Scalar &value)

Public Member Functions inherited from Eigen::DenseBase< ArrayWrapper< ExpressionType > >
bool	all () const

bool	allFinite () const

bool	any () const

iterator	begin ()

const_iterator	begin () const

const_iterator	cbegin () const

const_iterator	cend () const

ColwiseReturnType	colwise ()

ConstColwiseReturnType	colwise () const

Index	count () const

iterator	end ()

const_iterator	end () const

EvalReturnType	eval () const

void	fill (const Scalar &value)

EIGEN_DEPRECATED const ArrayWrapper< ExpressionType > &	flagged () const

const WithFormat< ArrayWrapper< ExpressionType > >	format (const IOFormat &fmt) const

EIGEN_CONSTEXPR Index	innerSize () const

bool	isApprox (const DenseBase< OtherDerived > &other, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isApproxToConstant (const Scalar &value, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isConstant (const Scalar &value, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isMuchSmallerThan (const DenseBase< OtherDerived > &other, const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isMuchSmallerThan (const typename NumTraits< Scalar >::Real &other, const RealScalar &prec) const

bool	isOnes (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

bool	isZero (const RealScalar &prec=NumTraits< Scalar >::dummy_precision()) const

EIGEN_DEPRECATED ArrayWrapper< ExpressionType > &	lazyAssign (const DenseBase< OtherDerived > &other)

internal::traits< ArrayWrapper< ExpressionType > >::Scalar	maxCoeff () const

internal::traits< ArrayWrapper< ExpressionType > >::Scalar	maxCoeff (IndexType *index) const

internal::traits< ArrayWrapper< ExpressionType > >::Scalar	maxCoeff (IndexType row, IndexType col) const

Scalar	mean () const

internal::traits< ArrayWrapper< ExpressionType > >::Scalar	minCoeff () const

internal::traits< ArrayWrapper< ExpressionType > >::Scalar	minCoeff (IndexType *index) const

internal::traits< ArrayWrapper< ExpressionType > >::Scalar	minCoeff (IndexType row, IndexType col) const

const NestByValue< ArrayWrapper< ExpressionType > >	nestByValue () const

CommaInitializer< ArrayWrapper< ExpressionType > >	operator<< (const DenseBase< OtherDerived > &other)

CommaInitializer< ArrayWrapper< ExpressionType > >	operator<< (const Scalar &s)

ArrayWrapper< ExpressionType > &	operator= (const DenseBase &other)

ArrayWrapper< ExpressionType > &	operator= (const DenseBase< OtherDerived > &other)

ArrayWrapper< ExpressionType > &	operator= (const EigenBase< OtherDerived > &other)
	Copies the generic expression other into *this.

EIGEN_CONSTEXPR Index	outerSize () const

Scalar	prod () const

internal::traits< ArrayWrapper< ExpressionType > >::Scalar	redux (const Func &func) const

const Replicate< ArrayWrapper< ExpressionType >, RowFactor, ColFactor >	replicate () const

const Replicate< ArrayWrapper< ExpressionType >, Dynamic, Dynamic >	replicate (Index rowFactor, Index colFactor) const

void	resize (Index newSize)

void	resize (Index rows, Index cols)

ReverseReturnType	reverse ()

ConstReverseReturnType	reverse () const

void	reverseInPlace ()

RowwiseReturnType	rowwise ()

ConstRowwiseReturnType	rowwise () const

CwiseTernaryOp< internal::scalar_boolean_select_op< typename DenseBase< ThenDerived >::Scalar, typename DenseBase< ElseDerived >::Scalar, typename DenseBase< ArrayWrapper< ExpressionType > >::Scalar >, ThenDerived, ElseDerived, ArrayWrapper< ExpressionType > >	select (const DenseBase< ThenDerived > &thenMatrix, const DenseBase< ElseDerived > &elseMatrix) const

CwiseTernaryOp< internal::scalar_boolean_select_op< typename DenseBase< ThenDerived >::Scalar, typename DenseBase< ThenDerived >::Scalar, typename DenseBase< ArrayWrapper< ExpressionType > >::Scalar >, ThenDerived, typename DenseBase< ThenDerived >::ConstantReturnType, ArrayWrapper< ExpressionType > >	select (const DenseBase< ThenDerived > &thenMatrix, const typename DenseBase< ThenDerived >::Scalar &elseScalar) const

CwiseTernaryOp< internal::scalar_boolean_select_op< typename DenseBase< ElseDerived >::Scalar, typename DenseBase< ElseDerived >::Scalar, typename DenseBase< ArrayWrapper< ExpressionType > >::Scalar >, typename DenseBase< ElseDerived >::ConstantReturnType, ElseDerived, ArrayWrapper< ExpressionType > >	select (const typename DenseBase< ElseDerived >::Scalar &thenScalar, const DenseBase< ElseDerived > &elseMatrix) const

ArrayWrapper< ExpressionType > &	setConstant (const Scalar &value)

ArrayWrapper< ExpressionType > &	setLinSpaced (const Scalar &low, const Scalar &high)
	Sets a linearly spaced vector.

ArrayWrapper< ExpressionType > &	setLinSpaced (Index size, const Scalar &low, const Scalar &high)
	Sets a linearly spaced vector.

ArrayWrapper< ExpressionType > &	setOnes ()

ArrayWrapper< ExpressionType > &	setRandom ()

ArrayWrapper< ExpressionType > &	setZero ()

Scalar	sum () const

void	swap (const DenseBase< OtherDerived > &other)

void	swap (PlainObjectBase< OtherDerived > &other)

TransposeReturnType	transpose ()

const ConstTransposeReturnType	transpose () const

void	transposeInPlace ()

CoeffReturnType	value () const

void	visit (Visitor &func) const

Additional Inherited Members
Public Types inherited from Eigen::DenseBase< ArrayWrapper< ExpressionType > >
typedef random_access_iterator_type	const_iterator

typedef random_access_iterator_type	iterator

typedef Array< typename internal::traits< ArrayWrapper< ExpressionType > >::Scalar, internal::traits< ArrayWrapper< ExpressionType > >::RowsAtCompileTime, internal::traits< ArrayWrapper< ExpressionType > >::ColsAtCompileTime, AutoAlign\|(internal::traits< ArrayWrapper< ExpressionType > >::Flags &RowMajorBit ? RowMajor :ColMajor), internal::traits< ArrayWrapper< ExpressionType > >::MaxRowsAtCompileTime, internal::traits< ArrayWrapper< ExpressionType > >::MaxColsAtCompileTime >	PlainArray

typedef Matrix< typename internal::traits< ArrayWrapper< ExpressionType > >::Scalar, internal::traits< ArrayWrapper< ExpressionType > >::RowsAtCompileTime, internal::traits< ArrayWrapper< ExpressionType > >::ColsAtCompileTime, AutoAlign\|(internal::traits< ArrayWrapper< ExpressionType > >::Flags &RowMajorBit ? RowMajor :ColMajor), internal::traits< ArrayWrapper< ExpressionType > >::MaxRowsAtCompileTime, internal::traits< ArrayWrapper< ExpressionType > >::MaxColsAtCompileTime >	PlainMatrix

typedef std::conditional_t< internal::is_same< typename internal::traits< ArrayWrapper< ExpressionType > >::XprKind, MatrixXpr >::value, PlainMatrix, PlainArray >	PlainObject
	The plain matrix or array type corresponding to this expression.

typedef internal::traits< ArrayWrapper< ExpressionType > >::Scalar	Scalar

typedef internal::traits< ArrayWrapper< ExpressionType > >::StorageIndex	StorageIndex
	The type used to store indices.

typedef Scalar	value_type

Static Public Member Functions inherited from Eigen::DenseBase< ArrayWrapper< ExpressionType > >
static const ConstantReturnType	Constant (const Scalar &value)

static const ConstantReturnType	Constant (Index rows, Index cols, const Scalar &value)

static const ConstantReturnType	Constant (Index size, const Scalar &value)

static const RandomAccessLinSpacedReturnType	LinSpaced (const Scalar &low, const Scalar &high)

static const RandomAccessLinSpacedReturnType	LinSpaced (Index size, const Scalar &low, const Scalar &high)
	Sets a linearly spaced vector.

static EIGEN_DEPRECATED const RandomAccessLinSpacedReturnType	LinSpaced (Sequential_t, const Scalar &low, const Scalar &high)

static EIGEN_DEPRECATED const RandomAccessLinSpacedReturnType	LinSpaced (Sequential_t, Index size, const Scalar &low, const Scalar &high)

static const CwiseNullaryOp< CustomNullaryOp, PlainObject >	NullaryExpr (const CustomNullaryOp &func)

static const CwiseNullaryOp< CustomNullaryOp, PlainObject >	NullaryExpr (Index rows, Index cols, const CustomNullaryOp &func)

static const CwiseNullaryOp< CustomNullaryOp, PlainObject >	NullaryExpr (Index size, const CustomNullaryOp &func)

static const ConstantReturnType	Ones ()

static const ConstantReturnType	Ones (Index rows, Index cols)

static const ConstantReturnType	Ones (Index size)

static const RandomReturnType	Random ()

static const RandomReturnType	Random (Index rows, Index cols)

static const RandomReturnType	Random (Index size)

static const ConstantReturnType	Zero ()

static const ConstantReturnType	Zero (Index rows, Index cols)

static const ConstantReturnType	Zero (Index size)

Protected Member Functions inherited from Eigen::DenseBase< ArrayWrapper< ExpressionType > >
constexpr	DenseBase ()=default

Related Symbols inherited from Eigen::ArrayBase< ArrayWrapper< ExpressionType > >
const std::enable_if_t< std::is_same< typename LhsDerived::Scalar, typename RhsDerived::Scalar >::value, Eigen::CwiseBinaryOp< Eigen::internal::scalar_atan2_op< typename LhsDerived::Scalar, typename RhsDerived::Scalar >, const LhsDerived, const RhsDerived > >	atan2 (const Eigen::ArrayBase< LhsDerived > &x, const Eigen::ArrayBase< RhsDerived > &exponents)

const Eigen::CwiseBinaryOp< Eigen::internal::scalar_pow_op< typename ArrayWrapper< ExpressionType >::Scalar, typename ExponentDerived::Scalar >, const ArrayWrapper< ExpressionType >, const ExponentDerived >	pow (const Eigen::ArrayBase< ArrayWrapper< ExpressionType > > &x, const Eigen::ArrayBase< ExponentDerived > &exponents)

const GlobalUnaryPowReturnType< ArrayWrapper< ExpressionType >, ScalarExponent >	pow (const Eigen::ArrayBase< ArrayWrapper< ExpressionType > > &x, const ScalarExponent &exponent)

const CwiseBinaryOp< internal::scalar_pow_op< Scalar, ArrayWrapper< ExpressionType >::Scalar >, Constant< Scalar >, ArrayWrapper< ExpressionType > >	pow (const Scalar &x, const Eigen::ArrayBase< ArrayWrapper< ExpressionType > > &x)

Related Symbols inherited from Eigen::DenseBase< ArrayWrapper< ExpressionType > >
std::ostream &	operator<< (std::ostream &s, const DenseBase< ArrayWrapper< ExpressionType > > &m)

Member Function Documentation

◆ resize() [1/2]

template<typename ExpressionType >

void Eigen::ArrayWrapper< ExpressionType >::resize ( Index newSize )

inline

Forwards the resizing request to the nested expression

See also: DenseBase::resize(Index)

◆ resize() [2/2]