35 #ifndef _BLAZE_MATH_EXPRESSIONS_DMATSMATSCHUREXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_DMATSMATSCHUREXPR_H_ 99 template<
typename MT1
102 :
public SchurExpr< SparseMatrix< DMatSMatSchurExpr<MT1,MT2>, false > >
122 static constexpr
bool returnExpr = ( !IsTemporary_v<RN1> && !IsTemporary_v<RN2> );
136 static constexpr
bool useAssign = ( RequiresEvaluation_v<MT1> || RequiresEvaluation_v<MT2> );
139 template<
typename MT >
141 static constexpr
bool UseAssign_v =
useAssign;
344 if( i >=
lhs_.rows() ) {
347 if( j >=
lhs_.columns() ) {
381 inline size_t rows() const noexcept {
392 return lhs_.columns();
402 return rhs_.nonZeros();
413 return rhs_.nonZeros(i);
482 template<
typename T >
483 inline bool canAlias(
const T* alias )
const noexcept {
484 return (
lhs_.isAliased( alias ) ||
rhs_.canAlias( alias ) );
494 template<
typename T >
495 inline bool isAliased(
const T* alias )
const noexcept {
496 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
518 template<
typename MT
538 for(
size_t i=0UL; i<(~lhs).
rows(); ++i ) {
539 for(
auto element=B.begin(i); element!=B.end(i); ++element )
540 (~lhs)(i,element->index()) = A(i,element->index()) * element->value();
558 template<
typename MT >
578 (~lhs).reserve( B.nonZeros() );
581 for(
size_t i=0UL; i<(~lhs).
rows(); ++i ) {
582 for(
auto element=B.begin(i); element!=B.end(i); ++element )
583 (~lhs).append( i, element->index(), A(i,element->index()) * element->value() );
584 (~lhs).finalize( i );
603 template<
typename MT >
604 friend inline auto assign( SparseMatrix<MT,true>& lhs,
const DMatSMatSchurExpr& rhs )
605 -> EnableIf_t< UseAssign_v<MT> >
622 const size_t m( rhs.rows() );
623 const size_t n( rhs.columns() );
626 std::vector<size_t> nonzeros( n, 0UL );
627 for(
size_t i=0UL; i<m; ++i ) {
628 const auto lend( B.end(i) );
629 for(
auto l=B.begin(i); l!=lend; ++l ) {
630 ++nonzeros[l->index()];
635 for(
size_t j=0UL; j<n; ++j ) {
636 (~lhs).reserve( j, nonzeros[j] );
640 for(
size_t i=0UL; i<(~lhs).
rows(); ++i ) {
641 for(
auto element=B.begin(i); element!=B.end(i); ++element )
642 (~lhs).append( i, element->index(), A(i,element->index()) * element->value() );
660 template<
typename MT
662 friend inline auto addAssign( DenseMatrix<MT,SO2>& lhs,
const DMatSMatSchurExpr& rhs )
663 -> EnableIf_t< UseAssign_v<MT> >
680 for(
size_t i=0UL; i<(~lhs).
rows(); ++i ) {
681 for(
auto element=B.begin(i); element!=B.end(i); ++element )
682 (~lhs)(i,element->index()) += A(i,element->index()) * element->value();
704 template<
typename MT
706 friend inline auto subAssign( DenseMatrix<MT,SO2>& lhs,
const DMatSMatSchurExpr& rhs )
707 -> EnableIf_t< UseAssign_v<MT> >
724 for(
size_t i=0UL; i<(~lhs).
rows(); ++i ) {
725 for(
auto element=B.begin(i); element!=B.end(i); ++element )
726 (~lhs)(i,element->index()) -= A(i,element->index()) * element->value();
749 template<
typename MT
751 friend inline void schurAssign( DenseMatrix<MT,SO2>& lhs,
const DMatSMatSchurExpr& rhs )
768 for(
size_t i=0UL; i<(~lhs).
rows(); ++i )
770 const auto end( B.end(i) );
771 auto begin( B.begin(i) );
776 for( ; j<index; ++j )
777 reset( (~lhs)(i,j) );
778 (~lhs)(i,index) *= A(i,index) *
begin->
value();
782 for( ; j<(~lhs).
columns(); ++j )
783 reset( (~lhs)(i,j) );
838 template<
typename MT
899 template<
typename MT1
901 , DisableIf_t< ( IsUniLower_v<MT1> && IsUniUpper_v<MT2> ) ||
902 ( IsUniUpper_v<MT1> && IsUniLower_v<MT2> ) ||
903 ( IsStrictlyLower_v<MT1> && IsUpper_v<MT2> ) ||
904 ( IsStrictlyUpper_v<MT1> && IsLower_v<MT2> ) ||
905 ( IsLower_v<MT1> && IsStrictlyUpper_v<MT2> ) ||
906 ( IsUpper_v<MT1> && IsStrictlyLower_v<MT2> ) ||
907 IsZero_v<MT2> >* =
nullptr >
908 inline const DMatSMatSchurExpr<MT1,MT2>
909 dmatsmatschur(
const DenseMatrix<MT1,false>& lhs,
const SparseMatrix<MT2,false>& rhs )
916 return DMatSMatSchurExpr<MT1,MT2>( ~lhs, ~rhs );
936 template<
typename MT1
938 , EnableIf_t< ( IsUniLower_v<MT1> && IsUniUpper_v<MT2> ) ||
939 ( IsUniUpper_v<MT1> && IsUniLower_v<MT2> ) >* =
nullptr >
940 inline decltype(
auto)
941 dmatsmatschur( const DenseMatrix<MT1,false>& lhs, const SparseMatrix<MT2,false>& rhs )
950 using ReturnType =
const SchurTrait_t< ResultType_t<MT1>, ResultType_t<MT2> >;
975 template<
typename MT1
977 , EnableIf_t< ( IsStrictlyLower_v<MT1> && IsUpper_v<MT2> ) ||
978 ( IsStrictlyUpper_v<MT1> && IsLower_v<MT2> ) ||
979 ( IsLower_v<MT1> && IsStrictlyUpper_v<MT2> ) ||
980 ( IsUpper_v<MT1> && IsStrictlyLower_v<MT2> ) ||
981 IsZero_v<MT2> >* =
nullptr >
982 inline decltype(
auto)
983 dmatsmatschur( const DenseMatrix<MT1,false>& lhs, const SparseMatrix<MT2,false>& rhs )
992 using ReturnType =
const SchurTrait_t< ResultType_t<MT1>, ResultType_t<MT2> >;
1032 template<
typename MT1
1034 inline decltype(
auto)
1043 return dmatsmatschur( ~lhs, ~rhs );
1061 template<
typename MT1
1063 , DisableIf_t< ( IsUniLower_v<MT1> && IsUniUpper_v<MT2> ) ||
1064 ( IsUniUpper_v<MT1> && IsUniLower_v<MT2> ) ||
1065 ( IsStrictlyLower_v<MT1> && IsUpper_v<MT2> ) ||
1066 ( IsStrictlyUpper_v<MT1> && IsLower_v<MT2> ) ||
1067 ( IsLower_v<MT1> && IsStrictlyUpper_v<MT2> ) ||
1068 ( IsUpper_v<MT1> && IsStrictlyLower_v<MT2> ) ||
1069 IsZero_v<MT2> >* =
nullptr >
1070 inline const DMatSMatSchurExpr<MT1,MT2>
1071 tdmatsmatschur(
const DenseMatrix<MT1,true>& lhs,
const SparseMatrix<MT2,false>& rhs )
1078 return DMatSMatSchurExpr<MT1,MT2>( ~lhs, ~rhs );
1097 template<
typename MT1
1099 , EnableIf_t< ( IsUniLower_v<MT1> && IsUniUpper_v<MT2> ) ||
1100 ( IsUniUpper_v<MT1> && IsUniLower_v<MT2> ) >* =
nullptr >
1101 inline decltype(
auto)
1102 tdmatsmatschur( const DenseMatrix<MT1,true>& lhs, const SparseMatrix<MT2,false>& rhs )
1111 using ReturnType =
const SchurTrait_t< ResultType_t<MT1>, ResultType_t<MT2> >;
1136 template<
typename MT1
1138 , EnableIf_t< ( IsStrictlyLower_v<MT1> && IsUpper_v<MT2> ) ||
1139 ( IsStrictlyUpper_v<MT1> && IsLower_v<MT2> ) ||
1140 ( IsLower_v<MT1> && IsStrictlyUpper_v<MT2> ) ||
1141 ( IsUpper_v<MT1> && IsStrictlyLower_v<MT2> ) ||
1142 IsZero_v<MT2> >* =
nullptr >
1143 inline decltype(
auto)
1144 tdmatsmatschur( const DenseMatrix<MT1,true>& lhs, const SparseMatrix<MT2,false>& rhs )
1153 using ReturnType =
const SchurTrait_t< ResultType_t<MT1>, ResultType_t<MT2> >;
1194 template<
typename MT1
1196 inline decltype(
auto)
1205 return tdmatsmatschur( ~lhs, ~rhs );
1220 template<
typename MT1,
typename MT2 >
1221 struct Size< DMatSMatSchurExpr<MT1,MT2>, 0UL >
1222 :
public Maximum< Size<MT1,0UL>, Size<MT2,0UL> >
1225 template<
typename MT1,
typename MT2 >
1226 struct Size< DMatSMatSchurExpr<MT1,MT2>, 1UL >
1227 :
public Maximum< Size<MT1,1UL>, Size<MT2,1UL> >
Constraint on the data type.
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse matrix operand.
Definition: DMatSMatSchurExpr.h:471
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Pointer difference type of the Blaze library.
Header file for auxiliary alias declarations.
#define BLAZE_CONSTRAINT_MUST_BE_IDENTITY_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not an identity matrix type...
Definition: Identity.h:60
Header file for the Schur product trait.
If_t< useAssign, const ResultType, const DMatSMatSchurExpr &> CompositeType
Data type for composite expression templates.
Definition: DMatSMatSchurExpr.h:158
Header file for the UNUSED_PARAMETER function template.
Header file for the IsUniUpper type trait.
LeftOperand left_
Left-hand side dense matrix expression.
Definition: DMatSMatSchurExpr.h:294
Header file for basic type definitions.
ConstIterator & operator++()
Pre-increment operator.
Definition: DMatSMatSchurExpr.h:213
decltype(std::declval< RN1 >() *std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DMatSMatSchurExpr.h:125
ConstIterator upperBound(size_t i, size_t j) const
Returns an iterator to the first index greater then the given index.
Definition: DMatSMatSchurExpr.h:450
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias declaration for the If class template.The If_t alias declaration provides a convenien...
Definition: If.h:109
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.The ResultType_t alias declaration provides ...
Definition: Aliases.h:390
Header file for the serial shim.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DMatSMatSchurExpr.h:184
OppositeType_t< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: DMatSMatSchurExpr.h:150
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional matrix type...
Definition: DenseMatrix.h:61
CompositeType_t< MT1 > CT1
Composite type of the left-hand side dense matrix expression.
Definition: DMatSMatSchurExpr.h:111
ConstIterator find(size_t i, size_t j) const
Searches for a specific matrix element.
Definition: DMatSMatSchurExpr.h:424
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:591
RightIterator right_
Iterator over the elements of the right-hand side sparse matrix expression.
Definition: DMatSMatSchurExpr.h:295
Constraint on the data type.
Expression object for dense matrix-sparse matrix Schur product.The DMatSMatSchurExpr class represents...
Definition: DMatSMatSchurExpr.h:101
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: DMatSMatSchurExpr.h:412
const ConstIterator * operator->() const
Direct access to the sparse matrix element at the current iterator position.
Definition: DMatSMatSchurExpr.h:234
size_t index() const
Access to the current index of the sparse element.
Definition: DMatSMatSchurExpr.h:254
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: DMatSMatSchurExpr.h:180
Header file for the Computation base class.
Constraints on the storage order of matrix types.
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DMatSMatSchurExpr.h:495
constexpr void UNUSED_PARAMETER(const Args &...)
Suppression of unused parameter warnings.
Definition: Unused.h:81
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
Header file for the IsUniLower type trait.
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_SCHUREXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid matrix/matrix ...
Definition: SchurExpr.h:103
ValueType & ReferenceType
Reference return type.
Definition: DMatSMatSchurExpr.h:183
constexpr size_t columns(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of columns of the matrix.
Definition: Matrix.h:514
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:80
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:137
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
Header file for all forward declarations for sparse vectors and matrices.
ReturnType_t< MT2 > RN2
Return type of the right-hand side sparse matrix expression.
Definition: DMatSMatSchurExpr.h:110
Header file for the SparseMatrix base class.
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row i.
Definition: DMatSMatSchurExpr.h:371
Constraint on the data type.
Constraint on the data type.
Header file for the Maximum class template.
typename EnableIf< Condition, T >::Type EnableIf_t
Auxiliary type for the EnableIf class template.The EnableIf_t alias declaration provides a convenient...
Definition: EnableIf.h:138
Iterator over the elements of the dense matrix/sparse matrix Schur product expression.
Definition: DMatSMatSchurExpr.h:170
Header file for the ValueIndexPair class.
Header file for the DisableIf class template.
Header file for the IsTemporary type trait class.
Header file for the IsStrictlyUpper type trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Header file for the If class template.
#define BLAZE_CONSTRAINT_MUST_BE_ZERO_TYPE(T)
Constraint on the data type.In case the given data type T is not a zero vector or matrix type...
Definition: Zero.h:61
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: DMatSMatSchurExpr.h:343
If_t< IsExpression_v< MT1 >, const MT1, const MT1 &> LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: DMatSMatSchurExpr.h:161
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.This macro encapsulates the default way of Bl...
Definition: Exception.h:331
SchurTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DMatSMatSchurExpr.h:149
ValueType * PointerType
Pointer return type.
Definition: DMatSMatSchurExpr.h:182
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3086
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DMatSMatSchurExpr.h:483
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DMatSMatSchurExpr.h:265
Header file for the IsLower type trait.
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense matrix operand.
Definition: DMatSMatSchurExpr.h:461
ResultType_t< MT2 > RT2
Result type of the right-hand side sparse matrix expression.
Definition: DMatSMatSchurExpr.h:108
Header file for the exception macros of the math module.
LeftOperand lhs_
Left-hand side dense matrix of the Schur product expression.
Definition: DMatSMatSchurExpr.h:502
Constraint on the data type.
Header file for all forward declarations for expression class templates.
Header file for the EnableIf class template.
Header file for the IsStrictlyLower type trait.
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: DMatSMatSchurExpr.h:152
size_t row_
The row index of the iterator.
Definition: DMatSMatSchurExpr.h:296
typename T::OppositeType OppositeType_t
Alias declaration for nested OppositeType type definitions.The OppositeType_t alias declaration provi...
Definition: Aliases.h:270
IteratorCategory iterator_category
The iterator category.
Definition: DMatSMatSchurExpr.h:187
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: DMatSMatSchurExpr.h:122
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: DMatSMatSchurExpr.h:287
#define BLAZE_CONSTRAINT_MUST_BE_ROW_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a row-major dense or sparse matrix t...
Definition: RowMajorMatrix.h:61
const Element operator*() const
Direct access to the sparse matrix element at the current iterator position.
Definition: DMatSMatSchurExpr.h:224
Base class for all Schur product expression templates.The SchurExpr class serves as a tag for all exp...
Definition: SchurExpr.h:66
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.The TransposeType_t alias declaration pro...
Definition: Aliases.h:470
Header file for run time assertion macros.
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.The CompositeType_t alias declaration pro...
Definition: Aliases.h:90
DMatSMatSchurExpr(const MT1 &lhs, const MT2 &rhs) noexcept
Constructor for the DMatSMatSchurExpr class.
Definition: DMatSMatSchurExpr.h:312
ValueIndexPair< ElementType > Element
Element type of the sparse matrix expression.
Definition: DMatSMatSchurExpr.h:175
static constexpr bool useAssign
Compilation switch for the evaluation strategy of the Schur product expression.
Definition: DMatSMatSchurExpr.h:136
Header file for the SchurExpr base class.
decltype(auto) row(Matrix< MT, SO > &, RRAs...)
Creating a view on a specific row of the given matrix.
Definition: Row.h:133
typename SchurTrait< T1, T2 >::Type SchurTrait_t
Auxiliary alias declaration for the SchurTrait class template.The SchurTrait_t alias declaration prov...
Definition: SchurTrait.h:164
Header file for the IsZero type trait.
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
Element ValueType
Type of the underlying pointers.
Definition: DMatSMatSchurExpr.h:181
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row i.
Definition: DMatSMatSchurExpr.h:360
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: DMatSMatSchurExpr.h:381
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DMatSMatSchurExpr.h:303
ConstIterator(LeftOperand left, RightIterator right, size_t row)
Constructor for the ConstIterator class.
Definition: DMatSMatSchurExpr.h:201
ConstIterator lowerBound(size_t i, size_t j) const
Returns an iterator to the first index not less then the given index.
Definition: DMatSMatSchurExpr.h:437
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:808
ReturnType_t< MT1 > RN1
Return type of the left-hand side dense matrix expression.
Definition: DMatSMatSchurExpr.h:109
ConstIterator_t< RemoveReference_t< RightOperand > > RightIterator
Iterator type of the sparse matrix expression.
Definition: DMatSMatSchurExpr.h:178
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.In case the given data type T requires an intermediate evaluation within ...
Definition: RequiresEvaluation.h:81
auto smpSchurAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP Schur product assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:194
constexpr size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:498
Header file for the RemoveReference type trait.
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DMatSMatSchurExpr.h:276
RightOperand rhs_
Right-hand side sparse matrix of the Schur product expression.
Definition: DMatSMatSchurExpr.h:503
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: DMatSMatSchurExpr.h:401
typename T::ConstIterator ConstIterator_t
Alias declaration for nested ConstIterator type definitions.The ConstIterator_t alias declaration pro...
Definition: Aliases.h:110
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DMatSMatSchurExpr.h:155
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: DMatSMatSchurExpr.h:328
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3081
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:73
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DMatSMatSchurExpr.h:151
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:66
Header file for the IntegralConstant class template.
ReturnType value() const
Access to the current value of the sparse element.
Definition: DMatSMatSchurExpr.h:244
If_t< IsExpression_v< MT2 >, const MT2, const MT2 &> RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: DMatSMatSchurExpr.h:164
Header file for the IsUpper type trait.
ResultType_t< MT1 > RT1
Result type of the left-hand side dense matrix expression.
Definition: DMatSMatSchurExpr.h:107
CompositeType_t< MT2 > CT2
Composite type of the right-hand side sparse matrix expression.
Definition: DMatSMatSchurExpr.h:112
Header file for the Size type trait.
#define BLAZE_CONSTRAINT_MUST_NOT_BE_ZERO_TYPE(T)
Constraint on the data type.In case the given data type T is a zero vector or matrix type...
Definition: Zero.h:81
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression, the program execution is terminated. The BLAZE_INTERNAL_ASSERT macro can be disabled by setting the BLAZE_USER_ASSERTION flag to zero or by defining NDEBUG during the compilation.
Definition: Assert.h:101
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional matrix type...
Definition: SparseMatrix.h:61
If_t< Less< T1, T2 >::value, T2, T1 > Maximum
Compile time value evaluation.The Maximum alias declaration selects the larger of the two given templ...
Definition: Maximum.h:73
Header file for the IsExpression type trait class.
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: DMatSMatSchurExpr.h:391
Header file for the function trace functionality.
Constraint on the data type.