35#ifndef _BLAZE_MATH_EXPRESSIONS_SMATDECLLOWEXPR_H_
36#define _BLAZE_MATH_EXPRESSIONS_SMATDECLLOWEXPR_H_
89 :
public DeclLowExpr< SparseMatrix< SMatDeclLowExpr<MT,SO>, SO > >
108 static constexpr bool useAssign = RequiresEvaluation_v<MT>;
112 template<
typename MT2 >
113 static constexpr bool UseAssign_v =
useAssign;
125 template<
typename MT2 >
126 static constexpr bool UseSMPAssign_v = ( MT2::smpAssignable &&
useAssign );
194 if( i >=
sm_.rows() ) {
197 if( j >=
sm_.columns() ) {
231 inline size_t rows() const noexcept {
242 return sm_.columns();
252 return sm_.nonZeros();
263 return sm_.nonZeros(i);
283 template<
typename T >
284 inline bool canAlias(
const T* alias )
const noexcept {
285 return sm_.canAlias( alias );
295 template<
typename T >
296 inline bool isAliased(
const T* alias )
const noexcept {
297 return sm_.isAliased( alias );
307 return sm_.canSMPAssign();
328 template<
typename MT2
338 assign( *lhs, rhs.sm_ );
355 template<
typename MT2
365 assign( *lhs, rhs.sm_ );
382 template<
typename MT2
384 friend inline auto addAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatDeclLowExpr& rhs )
385 -> EnableIf_t< UseAssign_v<MT2> >
392 addAssign( *lhs, rhs.sm_ );
409 template<
typename MT2
411 friend inline auto addAssign( SparseMatrix<MT2,SO2>& lhs,
const SMatDeclLowExpr& rhs )
412 -> EnableIf_t< UseAssign_v<MT2> >
419 addAssign( *lhs, rhs.sm_ );
436 template<
typename MT2
438 friend inline auto subAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatDeclLowExpr& rhs )
439 -> EnableIf_t< UseAssign_v<MT2> >
446 subAssign( *lhs, rhs.sm_ );
463 template<
typename MT2
465 friend inline auto subAssign( SparseMatrix<MT2,SO2>& lhs,
const SMatDeclLowExpr& rhs )
466 -> EnableIf_t< UseAssign_v<MT2> >
473 subAssign( *lhs, rhs.sm_ );
490 template<
typename MT2
492 friend inline auto schurAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatDeclLowExpr& rhs )
493 -> EnableIf_t< UseAssign_v<MT2> >
500 schurAssign( *lhs, rhs.sm_ );
517 template<
typename MT2
519 friend inline auto schurAssign( SparseMatrix<MT2,SO2>& lhs,
const SMatDeclLowExpr& rhs )
520 -> EnableIf_t< UseAssign_v<MT2> >
527 schurAssign( *lhs, rhs.sm_ );
544 template<
typename MT2
546 friend inline auto multAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatDeclLowExpr& rhs )
547 -> EnableIf_t< UseAssign_v<MT2> >
554 multAssign( *lhs, rhs.sm_ );
571 template<
typename MT2
573 friend inline auto multAssign( SparseMatrix<MT2,SO2>& lhs,
const SMatDeclLowExpr& rhs )
574 -> EnableIf_t< UseAssign_v<MT2> >
581 multAssign( *lhs, rhs.sm_ );
598 template<
typename MT2
601 -> EnableIf_t< UseSMPAssign_v<MT2> >
625 template<
typename MT2
628 -> EnableIf_t< UseSMPAssign_v<MT2> >
652 template<
typename MT2
655 -> EnableIf_t< UseSMPAssign_v<MT2> >
679 template<
typename MT2
682 -> EnableIf_t< UseSMPAssign_v<MT2> >
706 template<
typename MT2
709 -> EnableIf_t< UseSMPAssign_v<MT2> >
733 template<
typename MT2
736 -> EnableIf_t< UseSMPAssign_v<MT2> >
760 template<
typename MT2
763 -> EnableIf_t< UseSMPAssign_v<MT2> >
787 template<
typename MT2
790 -> EnableIf_t< UseSMPAssign_v<MT2> >
815 template<
typename MT2
818 -> EnableIf_t< UseSMPAssign_v<MT2> >
843 template<
typename MT2
846 -> EnableIf_t< UseSMPAssign_v<MT2> >
891 , DisableIf_t< IsLower_v<MT> || IsUniUpper_v<MT> >* =
nullptr >
892inline const SMatDeclLowExpr<MT,SO> decllow_backend(
const SparseMatrix<MT,SO>& sm )
898 return SMatDeclLowExpr<MT,SO>( *sm );
917 , EnableIf_t< !IsLower_v<MT> && IsUniUpper_v<MT> >* =
nullptr >
918inline const IdentityMatrix<ElementType_t<MT>,SO> decllow_backend(
const SparseMatrix<MT,SO>& sm )
924 return IdentityMatrix<ElementType_t<MT>,SO>( (*sm).rows() );
943 , EnableIf_t< IsLower_v<MT> >* =
nullptr >
944inline const MT& decllow_backend(
const SparseMatrix<MT,SO>& sm )
984 return decllow_backend( *sm );
999template<
typename MT,
bool SO >
1000struct IsLower< SMatDeclLowExpr<MT,SO> >
Header file for auxiliary alias declarations.
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.
Definition: Aliases.h:470
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.
Definition: Aliases.h:450
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.
Definition: Aliases.h:190
typename T::OppositeType OppositeType_t
Alias declaration for nested OppositeType type definitions.
Definition: Aliases.h:310
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.
Definition: Aliases.h:550
Header file for run time assertion macros.
Header file for the decllow trait.
Header file for the EnableIf class template.
Header file for the function trace functionality.
Header file for the GetMemberType type trait.
Header file for the If class template.
Header file for the IntegralConstant class template.
Utility type for generic codes.
Header file for the IsExpression type trait class.
Header file for the IsLower type trait.
Header file for the IsUniUpper type trait.
Constraint on the data type.
Constraint on the data type.
Header file for the implementation of the base template of the LowerMatrix.
Base class for dense matrices.
Definition: DenseMatrix.h:82
Expression object for the explicit lower declaration of sparse matrices.
Definition: SMatDeclLowExpr.h:91
SMatDeclLowExpr(const MT &sm) noexcept
Constructor for the SMatDeclLowExpr class.
Definition: SMatDeclLowExpr.h:164
If_t< IsExpression_v< MT >, const MT, const MT & > Operand
Composite data type of the sparse matrix expression.
Definition: SMatDeclLowExpr.h:151
OppositeType_t< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatDeclLowExpr.h:139
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: SMatDeclLowExpr.h:231
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatDeclLowExpr.h:178
Operand operand() const noexcept
Returns the sparse matrix operand.
Definition: SMatDeclLowExpr.h:272
DeclLowTrait_t< RT > ResultType
Result type for expression template evaluations.
Definition: SMatDeclLowExpr.h:138
BLAZE_CREATE_GET_TYPE_MEMBER_TYPE_TRAIT(GetConstIterator, ConstIterator, INVALID_TYPE)
Definition of the GetConstIterator type trait.
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: SMatDeclLowExpr.h:156
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SMatDeclLowExpr.h:296
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: SMatDeclLowExpr.h:306
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: SMatDeclLowExpr.h:241
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SMatDeclLowExpr.h:284
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SMatDeclLowExpr.h:140
static constexpr bool useAssign
Compilation switch for the serial evaluation strategy of the lower declaration expression.
Definition: SMatDeclLowExpr.h:108
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: SMatDeclLowExpr.h:193
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row i.
Definition: SMatDeclLowExpr.h:210
ReturnType_t< MT > ReturnType
Return type for expression template evaluations.
Definition: SMatDeclLowExpr.h:142
If_t< RequiresEvaluation_v< MT >, const ResultType, const SMatDeclLowExpr & > CompositeType
Data type for composite expression templates.
Definition: SMatDeclLowExpr.h:145
Operand sm_
Sparse matrix of the decllow expression.
Definition: SMatDeclLowExpr.h:313
ElementType_t< MT > ElementType
Resulting element type.
Definition: SMatDeclLowExpr.h:141
GetConstIterator_t< MT > ConstIterator
Iterator over the elements of the dense matrix.
Definition: SMatDeclLowExpr.h:148
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: SMatDeclLowExpr.h:251
ResultType_t< MT > RT
Result type of the sparse matrix expression.
Definition: SMatDeclLowExpr.h:94
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row i.
Definition: SMatDeclLowExpr.h:221
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SMatDeclLowExpr.h:262
Base class for sparse matrices.
Definition: SparseMatrix.h:77
Constraint on the data type.
Header file for the DeclLowExpr base class.
Header file for the Declaration base class.
Header file for the SparseMatrix base class.
decltype(auto) decllow(const DenseMatrix< MT, SO > &dm)
Declares the given dense matrix expression dm as lower.
Definition: DMatDeclLowExpr.h:1004
#define BLAZE_CONSTRAINT_MUST_NOT_BE_UNIUPPER_MATRIX_TYPE(T)
Constraint on the data type.
Definition: UniUpper.h:81
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_MATRIX_TYPE(T)
Constraint on the data type.
Definition: SparseMatrix.h:61
#define BLAZE_CONSTRAINT_MUST_NOT_BE_LOWER_MATRIX_TYPE(T)
Constraint on the data type.
Definition: Lower.h:81
#define BLAZE_CONSTRAINT_MUST_BE_MATRIX_WITH_STORAGE_ORDER(T, SO)
Constraint on the data type.
Definition: StorageOrder.h:63
typename DeclLowTrait< MT >::Type DeclLowTrait_t
Auxiliary alias declaration for the DeclLowTrait type trait.
Definition: DeclLowTrait.h:144
bool isSquare(const Matrix< MT, SO > &matrix) noexcept
Checks if the given matrix is a square matrix.
Definition: Matrix.h:1383
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.
Definition: Assert.h:101
auto smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:162
auto smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:100
auto smpMultAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs) -> EnableIf_t< IsDenseVector_v< VT1 > >
Default implementation of the SMP multiplication assignment of a vector to a dense vector.
Definition: DenseVector.h:192
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
auto smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:131
BoolConstant< true > TrueType
Type traits base class.
Definition: IntegralConstant.h:132
typename EnableIf< Condition, T >::Type EnableIf_t
Auxiliary type for the EnableIf class template.
Definition: EnableIf.h:138
typename If< Condition >::template Type< T1, T2 > If_t
Auxiliary alias template for the If class template.
Definition: If.h:108
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.
Definition: Exception.h:331
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.
Definition: Exception.h:235
#define BLAZE_FUNCTION_TRACE
Function trace macro.
Definition: FunctionTrace.h:94
Header file for the exception macros of the math module.
Constraints on the storage order of matrix types.
Header file for all forward declarations for expression class templates.
Header file for all forward declarations for sparse vectors and matrices.
Base class for all decllow expression templates.
Definition: DeclLowExpr.h:68
Base class for all declaration expression templates.
Definition: Declaration.h:76
Header file for the RequiresEvaluation type trait.
Header file for basic type definitions.