35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECTRANSEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_SVECTRANSEXPR_H_ 85 :
public VecTransExpr< SparseVector< SVecTransExpr<VT,TF>, TF > >
86 ,
private If< IsComputation_v<VT>, Computation, Transformation >::Type
104 static constexpr
bool useAssign = RequiresEvaluation_v<VT>;
107 template<
typename VT2 >
109 static constexpr
bool UseAssign_v =
useAssign;
121 template<
typename VT2 >
122 static constexpr
bool UseSMPAssign_v = ( VT2::smpAssignable &&
useAssign );
180 if( index >=
sv_.size() ) {
183 return (*
this)[index];
212 inline size_t size() const noexcept {
223 return sv_.nonZeros();
279 template<
typename T >
280 inline bool canAlias(
const T* alias )
const noexcept {
281 return sv_.canAlias( alias );
291 template<
typename T >
292 inline bool isAliased(
const T* alias )
const noexcept {
293 return sv_.isAliased( alias );
303 return sv_.canSMPAssign();
326 template<
typename VT2 >
335 assign( tmp, rhs.sv_ );
354 template<
typename VT2 >
363 assign( tmp, rhs.sv_ );
382 template<
typename VT2 >
383 friend inline auto addAssign( DenseVector<VT2,TF>& lhs,
const SVecTransExpr& rhs )
384 -> EnableIf_t< UseAssign_v<VT2> >
390 DVecTransposer<VT2,!TF> tmp( ~lhs );
391 addAssign( tmp, rhs.sv_ );
414 template<
typename VT2 >
415 friend inline auto subAssign( DenseVector<VT2,TF>& lhs,
const SVecTransExpr& rhs )
416 -> EnableIf_t< UseAssign_v<VT2> >
422 DVecTransposer<VT2,!TF> tmp( ~lhs );
423 subAssign( tmp, rhs.sv_ );
446 template<
typename VT2 >
447 friend inline auto multAssign( DenseVector<VT2,TF>& lhs,
const SVecTransExpr& rhs )
448 -> EnableIf_t< UseAssign_v<VT2> >
454 DVecTransposer<VT2,!TF> tmp( ~lhs );
455 multAssign( tmp, rhs.sv_ );
478 template<
typename VT2 >
480 -> EnableIf_t< UseSMPAssign_v<VT2> >
486 DVecTransposer<VT2,!TF> tmp( ~lhs );
506 template<
typename VT2 >
508 -> EnableIf_t< UseSMPAssign_v<VT2> >
514 SVecTransposer<VT2,!TF> tmp( ~lhs );
534 template<
typename VT2 >
536 -> EnableIf_t< UseSMPAssign_v<VT2> >
542 DVecTransposer<VT2,!TF> tmp( ~lhs );
566 template<
typename VT2 >
568 -> EnableIf_t< UseSMPAssign_v<VT2> >
574 DVecTransposer<VT2,!TF> tmp( ~lhs );
599 template<
typename VT2 >
601 -> EnableIf_t< UseSMPAssign_v<VT2> >
607 DVecTransposer<VT2,!TF> tmp( ~lhs );
653 template<
typename VT
660 return ReturnType( ~sv );
673 template<
typename VT
675 inline decltype(
auto) transTo_backend( const SparseVector<VT,TF>& sv,
FalseType )
691 template<
typename VT
693 inline const VT& transTo_backend(
const SparseVector<VT,TF>& sv,
TrueType )
751 template<
typename VT
753 inline decltype(
auto)
trans( const SVecTransExpr<VT,TF>& sv )
775 template<
typename VT
778 inline decltype(
auto)
trans( const SVecScalarMultExpr<VT,ST,TF>& sv )
782 return trans( sv.leftOperand() ) * sv.rightOperand();
BoolConstant< false > FalseType
Type/value traits base class.The FalseType class is used as base class for type traits and value trai...
Definition: IntegralConstant.h:121
ConstIterator lowerBound(size_t index) const
Returns an iterator to the first index not less then the given index.
Definition: SVecTransExpr.h:245
Header file for auxiliary alias declarations.
Operand sv_
Sparse vector of the transposition expression.
Definition: SVecTransExpr.h:309
Header file for basic type definitions.
Header file for the SparseVector base class.
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias template for the If class template.The If_t alias template provides a convenient shor...
Definition: If.h:109
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: SVecTransExpr.h:302
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.The ResultType_t alias declaration provides ...
Definition: Aliases.h:390
GetConstIterator_t< VT > ConstIterator
Iterator over the elements of the dense vector.
Definition: SVecTransExpr.h:139
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecTransExpr.h:166
Generic wrapper for a compile time constant integral value.The IntegralConstant class template repres...
Definition: IntegralConstant.h:72
Expression object for sparse vector transpositions.The SVecTransExpr class represents the compile tim...
Definition: Forward.h:165
Header file for the Computation base class.
BoolConstant< true > TrueType
Type traits base class.The TrueType class is used as base class for type traits and value traits that...
Definition: IntegralConstant.h:132
Header file for the RequiresEvaluation type trait.
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
ConstIterator upperBound(size_t index) const
Returns an iterator to the first index greater then the given index.
Definition: SVecTransExpr.h:257
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
Expression object for the transposition of a dense vector.The DVecTransposer class is a wrapper objec...
Definition: DVecTransposer.h:78
CompositeType_t< VT > CT
Composite type of the sparse vector expression.
Definition: SVecTransExpr.h:90
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
TransposeType_t< VT > ResultType
Result type for expression template evaluations.
Definition: SVecTransExpr.h:130
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Header file for the If class template.
Header file for the dense vector transposer.
#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
Expression object for the transposition of a sparse vector.The SVecTransposer class is a wrapper obje...
Definition: Forward.h:166
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
Header file for the GetMemberType type trait.
ResultType_t< VT > TransposeType
Transpose type for expression template evaluations.
Definition: SVecTransExpr.h:131
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional vector type,...
Definition: SparseVector.h:61
decltype(auto) transTo(const DenseVector< VT, TF > &dv)
Conditional calculation of the transpose of the given dense vector.
Definition: DVecTransExpr.h:781
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecTransExpr.h:192
Header file for the exception macros of the math module.
Operand operand() const noexcept
Returns the sparse vector operand.
Definition: SVecTransExpr.h:268
Constraint on the data type.
Constraint on the data type.
Header file for the EnableIf class template.
BLAZE_CREATE_GET_TYPE_MEMBER_TYPE_TRAIT(GetConstIterator, ConstIterator, INVALID_TYPE)
Definition of the GetConstIterator type trait.
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: SVecTransExpr.h:233
Header file for the VecTransExpr base class.
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.
SVecTransExpr(const VT &sv) noexcept
Constructor for the SVecTransExpr class.
Definition: SVecTransExpr.h:155
ElementType_t< VT > ElementType
Resulting element type.
Definition: SVecTransExpr.h:132
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.The CompositeType_t alias declaration pro...
Definition: Aliases.h:90
Utility type for generic codes.
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
ReturnType_t< VT > ReturnType
Return type for expression template evaluations.
Definition: SVecTransExpr.h:133
#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
Header file for all forward declarations for expression class templates.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecTransExpr.h:222
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
If_t< IsExpression_v< VT >, const VT, const VT & > Operand
Composite data type of the sparse vector expression.
Definition: SVecTransExpr.h:142
#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
If_t< useAssign, const ResultType, const SVecTransExpr & > CompositeType
Data type for composite expression templates.
Definition: SVecTransExpr.h:136
decltype(auto) trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:765
Header file for the sparse vector transposer.
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SVecTransExpr.h:212
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
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:146
Header file for the IntegralConstant class template.
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: SVecTransExpr.h:147
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SVecTransExpr.h:179
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SVecTransExpr.h:292
static constexpr bool useAssign
Compilation switch for the serial evaluation strategy of the transposition expression.
Definition: SVecTransExpr.h:104
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression,...
Definition: Assert.h:101
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:191
Header file for the IsExpression type trait class.
Header file for the function trace functionality.
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecTransExpr.h:202
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SVecTransExpr.h:280