35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECABSEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECABSEXPR_H_
91 class SVecAbsExpr :
public SparseVector< SVecAbsExpr<VT,TF>, TF >
128 template<
typename VT2 >
131 enum { value = useAssign };
155 enum { smpAssignable = VT::smpAssignable };
232 return abs(
it_->value() );
345 return sv_.nonZeros();
365 template<
typename T >
367 return sv_.canAlias( alias );
377 template<
typename T >
379 return sv_.isAliased( alias );
389 return sv_.canSMPAssign();
412 template<
typename VT2 >
442 template<
typename VT2 >
456 const Iterator
end( (~lhs).
end() );
457 for( Iterator element=(~lhs).
begin(); element!=
end; ++element ) {
458 element->value() =
abs( element->value() );
478 template<
typename VT2 >
479 friend inline typename EnableIf< UseAssign<VT2> >::Type
514 template<
typename VT2 >
515 friend inline typename EnableIf< UseAssign<VT2> >::Type
550 template<
typename VT2 >
551 friend inline typename EnableIf< UseAssign<VT2> >::Type
607 template<
typename VT
637 template<
typename VT
639 inline const SVecAbsExpr<VT,TF>&
abs(
const SVecAbsExpr<VT,TF>& sv )
659 template<
typename VT >
660 struct SVecAbsExprTrait< SVecAbsExpr<VT,false> >
664 typedef typename SelectType< IsSparseVector<VT>::value && IsColumnVector<VT>::value
665 , SVecAbsExpr<VT,false>
666 , INVALID_TYPE >::Type Type;
675 template<
typename VT >
676 struct TSVecAbsExprTrait< SVecAbsExpr<VT,true> >
680 typedef typename SelectType< IsSparseVector<VT>::value && IsRowVector<VT>::value
681 , SVecAbsExpr<VT,true>
682 , INVALID_TYPE >::Type Type;
691 template<
typename VT,
bool TF,
bool AF >
692 struct SubvectorExprTrait< SVecAbsExpr<VT,TF>, AF >
696 typedef typename AbsExprTrait< typename SubvectorExprTrait<const VT,AF>::Type >::Type Type;
Pointer difference type of the Blaze library.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: SVecAbsExpr.h:175
Header file for the TSVecAbsExprTrait class template.
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
VT::ReturnType RN
Return type of the sparse vector expression.
Definition: SVecAbsExpr.h:98
Header file for the SparseVector base class.
void smpSubAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:151
void smpMultAssign(DenseVector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP multiplication assignment of a vector to a dense vector...
Definition: DenseVector.h:178
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2384
SelectType< useAssign, const ResultType, const SVecAbsExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SVecAbsExpr.h:147
Header file for the IsRowVector type trait.
IteratorCategory iterator_category
The iterator category.
Definition: SVecAbsExpr.h:178
const DMatAbsExpr< MT, SO > abs(const DenseMatrix< MT, SO > &dm)
Returns a matrix containing the absolute values of each single element of dm.
Definition: DMatAbsExpr.h:764
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecAbsExpr.h:230
Header file for the Computation base class.
Header file for the SVecAbsExprTrait class template.
Header file for the RequiresEvaluation type trait.
ValueType * PointerType
Pointer return type.
Definition: SVecAbsExpr.h:173
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecAbsExpr.h:274
VT::ElementType ET
Element type of the sparse vector expression.
Definition: SVecAbsExpr.h:101
Expression object for the sparse vector abs() function.The SVecAbsExpr class represents the compile t...
Definition: Forward.h:106
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecAbsExpr.h:144
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecAbsExpr.h:314
Constraint on the data type.
RT ResultType
Result type for expression template evaluations.
Definition: SVecAbsExpr.h:139
ValueType value_type
Type of the underlying pointers.
Definition: SVecAbsExpr.h:179
void smpAddAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:121
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:90
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:251
ValueType & ReferenceType
Reference return type.
Definition: SVecAbsExpr.h:174
Header file for the ValueIndexPair class.
Compile time type selection.The SelectType class template selects one of the two given types T1 and T...
Definition: SelectType.h:59
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecAbsExpr.h:263
Header file for the IsTemporary type trait class.
IteratorType it_
Iterator over the elements of the sparse vector expression.
Definition: SVecAbsExpr.h:281
Header file for the dense vector SMP implementation.
ConstIterator(IteratorType it)
Constructor for the ConstIterator class.
Definition: SVecAbsExpr.h:188
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecAbsExpr.h:344
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2388
void assign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the assignment of a matrix to a matrix.
Definition: Matrix.h:179
size_t index() const
Access to the current index of the sparse element.
Definition: SVecAbsExpr.h:241
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
ET ElementType
Resulting element type.
Definition: SVecAbsExpr.h:141
#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:79
Header file for the VecAbsExpr base class.
Constraint on the data type.
Element ValueType
Type of the underlying pointers.
Definition: SVecAbsExpr.h:172
#define BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE(T)
Constraint on the data type.In case the given data type T is not a reference type, a compilation error is created.
Definition: Reference.h:78
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2381
DifferenceType difference_type
Difference between two iterators.
Definition: SVecAbsExpr.h:182
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2382
void multAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the multiplication assignment of a matrix to a matrix.
Definition: Matrix.h:269
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: SVecAbsExpr.h:166
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
ReferenceType reference
Reference return type.
Definition: SVecAbsExpr.h:181
AbsExprTrait< RN >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SVecAbsExpr.h:114
Header file for the EnableIf class template.
VT::TransposeType TT
Transpose type of the sparse vector expression.
Definition: SVecAbsExpr.h:100
RemoveReference< Operand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: SVecAbsExpr.h:169
void smpAssign(DenseMatrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:91
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecAbsExpr.h:324
Operand sv_
Sparse vector of the absolute value expression.
Definition: SVecAbsExpr.h:395
Header file for the IsSparseVector type trait.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2383
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
Iterator over the elements of the sparse vector absolute value expression.
Definition: SVecAbsExpr.h:161
SVecAbsExpr< VT, TF > This
Type of this SVecAbsExpr instance.
Definition: SVecAbsExpr.h:138
Header file for run time assertion macros.
Utility type for generic codes.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecAbsExpr.h:302
void addAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the addition assignment of a matrix to a matrix.
Definition: Matrix.h:209
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecAbsExpr.h:378
VT::ResultType RT
Result type of the sparse vector expression.
Definition: SVecAbsExpr.h:97
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
void subAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the subtraction assignment of a matrix to matrix.
Definition: Matrix.h:239
Element * Iterator
Iterator over non-constant elements.
Definition: CompressedMatrix.h:2387
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecAbsExpr.h:171
Header file for the RemoveReference type trait.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SVecAbsExpr.h:366
VT::CompositeType CT
Composite type of the sparse vector expression.
Definition: SVecAbsExpr.h:99
PointerType pointer
Pointer return type.
Definition: SVecAbsExpr.h:180
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:69
Header file for the IsComputation type trait class.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: SVecAbsExpr.h:388
TT TransposeType
Transpose type for expression template evaluations.
Definition: SVecAbsExpr.h:140
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:105
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:157
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2379
Header file for basic type definitions.
Header file for the SubvectorExprTrait class template.
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecAbsExpr.h:209
Header file for the AbsExprTrait class template.
SelectType< IsExpression< VT >::value, const VT, const VT & >::Type Operand
Composite data type of the sparse vector expression.
Definition: SVecAbsExpr.h:150
Header file for the IsColumnVector type trait.
Evaluation of the return type of an absolute value expression.Via this type trait it is possible to e...
Definition: AbsExprTrait.h:86
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecAbsExpr.h:220
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecAbsExpr.h:198
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecAbsExpr.h:252
#define BLAZE_CONSTRAINT_MUST_BE_VECTOR_WITH_TRANSPOSE_FLAG(T, TF)
Constraint on the data type.In case the given data type T is not a dense or sparse vector type and in...
Definition: TransposeFlag.h:238
#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
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
size_t size() const
Returns the current size/dimension of the vector.
Definition: SVecAbsExpr.h:334
Operand operand() const
Returns the sparse vector operand.
Definition: SVecAbsExpr.h:354
SVecAbsExpr(const VT &sv)
Constructor for the SVecAbsExpr class.
Definition: SVecAbsExpr.h:291