35#ifndef _BLAZE_MATH_EXPRESSIONS_SMATDECLUNILOWEXPR_H_
36#define _BLAZE_MATH_EXPRESSIONS_SMATDECLUNILOWEXPR_H_
91 :
public DeclUniLowExpr< SparseMatrix< SMatDeclUniLowExpr<MT,SO>, SO > >
110 static constexpr bool useAssign = RequiresEvaluation_v<MT>;
114 template<
typename MT2 >
115 static constexpr bool UseAssign_v =
useAssign;
127 template<
typename MT2 >
128 static constexpr bool UseSMPAssign_v = ( MT2::smpAssignable &&
useAssign );
196 if( i >=
sm_.rows() ) {
199 if( j >=
sm_.columns() ) {
233 inline size_t rows() const noexcept {
244 return sm_.columns();
254 return sm_.nonZeros();
265 return sm_.nonZeros(i);
285 template<
typename T >
286 inline bool canAlias(
const T* alias )
const noexcept {
287 return sm_.canAlias( alias );
297 template<
typename T >
298 inline bool isAliased(
const T* alias )
const noexcept {
299 return sm_.isAliased( alias );
309 return sm_.canSMPAssign();
330 template<
typename MT2
340 assign( *lhs, rhs.sm_ );
357 template<
typename MT2
367 assign( *lhs, rhs.sm_ );
384 template<
typename MT2
386 friend inline auto addAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatDeclUniLowExpr& rhs )
387 -> EnableIf_t< UseAssign_v<MT2> >
394 addAssign( *lhs, rhs.sm_ );
411 template<
typename MT2
413 friend inline auto addAssign( SparseMatrix<MT2,SO2>& lhs,
const SMatDeclUniLowExpr& rhs )
414 -> EnableIf_t< UseAssign_v<MT2> >
421 addAssign( *lhs, rhs.sm_ );
438 template<
typename MT2
440 friend inline auto subAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatDeclUniLowExpr& rhs )
441 -> EnableIf_t< UseAssign_v<MT2> >
448 subAssign( *lhs, rhs.sm_ );
465 template<
typename MT2
467 friend inline auto subAssign( SparseMatrix<MT2,SO2>& lhs,
const SMatDeclUniLowExpr& rhs )
468 -> EnableIf_t< UseAssign_v<MT2> >
475 subAssign( *lhs, rhs.sm_ );
492 template<
typename MT2
494 friend inline auto schurAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatDeclUniLowExpr& rhs )
495 -> EnableIf_t< UseAssign_v<MT2> >
502 schurAssign( *lhs, rhs.sm_ );
519 template<
typename MT2
521 friend inline auto schurAssign( SparseMatrix<MT2,SO2>& lhs,
const SMatDeclUniLowExpr& rhs )
522 -> EnableIf_t< UseAssign_v<MT2> >
529 schurAssign( *lhs, rhs.sm_ );
546 template<
typename MT2
548 friend inline auto multAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatDeclUniLowExpr& rhs )
549 -> EnableIf_t< UseAssign_v<MT2> >
556 multAssign( *lhs, rhs.sm_ );
573 template<
typename MT2
575 friend inline auto multAssign( SparseMatrix<MT2,SO2>& lhs,
const SMatDeclUniLowExpr& rhs )
576 -> EnableIf_t< UseAssign_v<MT2> >
583 multAssign( *lhs, rhs.sm_ );
600 template<
typename MT2
603 -> EnableIf_t< UseSMPAssign_v<MT2> >
627 template<
typename MT2
630 -> EnableIf_t< UseSMPAssign_v<MT2> >
654 template<
typename MT2
657 -> EnableIf_t< UseSMPAssign_v<MT2> >
681 template<
typename MT2
684 -> EnableIf_t< UseSMPAssign_v<MT2> >
708 template<
typename MT2
711 -> EnableIf_t< UseSMPAssign_v<MT2> >
735 template<
typename MT2
738 -> EnableIf_t< UseSMPAssign_v<MT2> >
762 template<
typename MT2
765 -> EnableIf_t< UseSMPAssign_v<MT2> >
789 template<
typename MT2
792 -> EnableIf_t< UseSMPAssign_v<MT2> >
817 template<
typename MT2
820 -> EnableIf_t< UseSMPAssign_v<MT2> >
845 template<
typename MT2
848 -> EnableIf_t< UseSMPAssign_v<MT2> >
893 , DisableIf_t< IsUniLower_v<MT> || IsUpper_v<MT> >* =
nullptr >
894inline const SMatDeclUniLowExpr<MT,SO> declunilow_backend(
const SparseMatrix<MT,SO>& sm )
900 return SMatDeclUniLowExpr<MT,SO>( *sm );
919 , EnableIf_t< !IsUniLower_v<MT> && IsUpper_v<MT> >* =
nullptr >
920inline const IdentityMatrix<ElementType_t<MT>,SO> declunilow_backend(
const SparseMatrix<MT,SO>& sm )
926 return IdentityMatrix<ElementType_t<MT>,SO>( (*sm).rows() );
945 , EnableIf_t< IsUniLower_v<MT> >* =
nullptr >
946inline const MT& declunilow_backend(
const SparseMatrix<MT,SO>& sm )
989 return declunilow_backend( *sm );
1004template<
typename MT,
bool SO >
1005struct IsUniLower< SMatDeclUniLowExpr<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 declunilow 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 IsUniLower type trait.
Header file for the IsUpper type trait.
Constraint on the data type.
Constraint on the data type.
Constraint on the data type.
Header file for the implementation of the base template of the UniLowerMatrix.
Base class for dense matrices.
Definition: DenseMatrix.h:82
Expression object for the explicit unilower declaration of sparse matrices.
Definition: SMatDeclUniLowExpr.h:93
If_t< IsExpression_v< MT >, const MT, const MT & > Operand
Composite data type of the sparse matrix expression.
Definition: SMatDeclUniLowExpr.h:153
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SMatDeclUniLowExpr.h:298
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: SMatDeclUniLowExpr.h:308
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row i.
Definition: SMatDeclUniLowExpr.h:223
DeclUniLowTrait_t< RT > ResultType
Result type for expression template evaluations.
Definition: SMatDeclUniLowExpr.h:140
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: SMatDeclUniLowExpr.h:243
ResultType_t< MT > RT
Result type of the sparse matrix expression.
Definition: SMatDeclUniLowExpr.h:96
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: SMatDeclUniLowExpr.h:233
OppositeType_t< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatDeclUniLowExpr.h:141
ElementType_t< MT > ElementType
Resulting element type.
Definition: SMatDeclUniLowExpr.h:143
SMatDeclUniLowExpr(const MT &sm) noexcept
Constructor for the SMatDeclUniLowExpr class.
Definition: SMatDeclUniLowExpr.h:166
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: SMatDeclUniLowExpr.h:253
Operand operand() const noexcept
Returns the sparse matrix operand.
Definition: SMatDeclUniLowExpr.h:274
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SMatDeclUniLowExpr.h:264
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row i.
Definition: SMatDeclUniLowExpr.h:212
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: SMatDeclUniLowExpr.h:158
GetConstIterator_t< MT > ConstIterator
Iterator over the elements of the dense matrix.
Definition: SMatDeclUniLowExpr.h:150
Operand sm_
Sparse matrix of the declunilow expression.
Definition: SMatDeclUniLowExpr.h:315
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: SMatDeclUniLowExpr.h:195
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatDeclUniLowExpr.h:180
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SMatDeclUniLowExpr.h:286
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SMatDeclUniLowExpr.h:142
ReturnType_t< MT > ReturnType
Return type for expression template evaluations.
Definition: SMatDeclUniLowExpr.h:144
static constexpr bool useAssign
Compilation switch for the serial evaluation strategy of the unilower declaration expression.
Definition: SMatDeclUniLowExpr.h:110
BLAZE_CREATE_GET_TYPE_MEMBER_TYPE_TRAIT(GetConstIterator, ConstIterator, INVALID_TYPE)
Definition of the GetConstIterator type trait.
If_t< RequiresEvaluation_v< MT >, const ResultType, const SMatDeclUniLowExpr & > CompositeType
Data type for composite expression templates.
Definition: SMatDeclUniLowExpr.h:147
Base class for sparse matrices.
Definition: SparseMatrix.h:77
Constraint on the data type.
Header file for the DeclUniLowExpr base class.
Header file for the Declaration base class.
Header file for the SparseMatrix base class.
decltype(auto) declunilow(const DenseMatrix< MT, SO > &dm)
Declares the given dense matrix expression dm as unilower.
Definition: DMatDeclUniLowExpr.h:1004
#define BLAZE_CONSTRAINT_MUST_NOT_BE_UPPER_MATRIX_TYPE(T)
Constraint on the data type.
Definition: Upper.h:81
#define BLAZE_CONSTRAINT_MUST_NOT_BE_STRICTLY_TRIANGULAR_MATRIX_TYPE(T)
Constraint on the data type.
Definition: StrictlyTriangular.h:81
#define BLAZE_CONSTRAINT_MUST_NOT_BE_UNIFORM_TYPE(T)
Constraint on the data type.
Definition: Uniform.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_UNILOWER_MATRIX_TYPE(T)
Constraint on the data type.
Definition: UniLower.h:81
#define BLAZE_CONSTRAINT_MUST_BE_MATRIX_WITH_STORAGE_ORDER(T, SO)
Constraint on the data type.
Definition: StorageOrder.h:63
typename DeclUniLowTrait< MT >::Type DeclUniLowTrait_t
Auxiliary alias declaration for the DeclUniLowTrait type trait.
Definition: DeclUniLowTrait.h:146
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 declunilow expression templates.
Definition: DeclUniLowExpr.h:69
Base class for all declaration expression templates.
Definition: Declaration.h:76
Header file for the RequiresEvaluation type trait.
Header file for basic type definitions.