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 };
144 template<
typename VT2 >
145 struct UseSMPAssign {
146 enum { value = ( !VT2::smpAssignable || !VT::smpAssignable ) && useAssign };
170 enum { smpAssignable = VT::smpAssignable };
226 return Element(
abs( it_->value() ), it_->index() );
247 return abs( it_->value() );
268 return it_ == rhs.
it_;
279 return it_ != rhs.
it_;
290 return it_ - rhs.
it_;
360 return sv_.nonZeros();
380 template<
typename T >
382 return sv_.canAlias( alias );
392 template<
typename T >
394 return sv_.isAliased( alias );
404 return sv_.canSMPAssign();
427 template<
typename VT2 >
457 template<
typename VT2 >
471 const Iterator
end( (~lhs).
end() );
472 for( Iterator element=(~lhs).
begin(); element!=
end; ++element ) {
473 element->value() =
abs( element->value() );
493 template<
typename VT2 >
494 friend inline typename EnableIf< UseAssign<VT2> >::Type
529 template<
typename VT2 >
530 friend inline typename EnableIf< UseAssign<VT2> >::Type
565 template<
typename VT2 >
566 friend inline typename EnableIf< UseAssign<VT2> >::Type
601 template<
typename VT2 >
602 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
633 template<
typename VT2 >
634 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
669 template<
typename VT2 >
670 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
705 template<
typename VT2 >
706 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
762 template<
typename VT
792 template<
typename VT
794 inline const SVecAbsExpr<VT,TF>&
abs(
const SVecAbsExpr<VT,TF>& sv )
814 template<
typename VT >
819 typedef typename SelectType< IsSparseVector<VT>::value && IsColumnVector<VT>::value
820 , SVecAbsExpr<VT,false>
821 , INVALID_TYPE >::Type Type;
830 template<
typename VT >
835 typedef typename SelectType< IsSparseVector<VT>::value && IsRowVector<VT>::value
836 , SVecAbsExpr<VT,true>
837 , INVALID_TYPE >::Type Type;
846 template<
typename VT,
bool TF,
bool AF >
847 struct SubvectorExprTrait<
SVecAbsExpr<VT,TF>, AF >
851 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:190
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:152
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:179
const SVecAbsExpr< VT, TF > abs(const SparseVector< VT, TF > &sv)
Returns a vector containing the absolute values of each single element of sv.
Definition: SVecAbsExpr.h:764
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2408
SelectType< useAssign, const ResultType, const SVecAbsExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SVecAbsExpr.h:162
Header file for the IsRowVector type trait.
IteratorCategory iterator_category
The iterator category.
Definition: SVecAbsExpr.h:193
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:903
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecAbsExpr.h:245
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:690
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:188
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecAbsExpr.h:289
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:109
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecAbsExpr.h:159
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecAbsExpr.h:329
Constraint on the data type.
RT ResultType
Result type for expression template evaluations.
Definition: SVecAbsExpr.h:154
ValueType value_type
Type of the underlying pointers.
Definition: SVecAbsExpr.h:194
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:122
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:253
ValueType & ReferenceType
Reference return type.
Definition: SVecAbsExpr.h:189
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:278
Header file for the IsTemporary type trait class.
IteratorType it_
Iterator over the elements of the sparse vector expression.
Definition: SVecAbsExpr.h:296
ConstIterator(IteratorType it)
Constructor for the ConstIterator class.
Definition: SVecAbsExpr.h:203
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecAbsExpr.h:359
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2412
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:271
size_t index() const
Access to the current index of the sparse element.
Definition: SVecAbsExpr.h:256
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:156
#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:187
#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:2405
DifferenceType difference_type
Difference between two iterators.
Definition: SVecAbsExpr.h:197
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2406
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:361
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: SVecAbsExpr.h:181
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:196
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
Header file for the serial shim.
RemoveReference< Operand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: SVecAbsExpr.h:184
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:92
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecAbsExpr.h:339
Operand sv_
Sparse vector of the absolute value expression.
Definition: SVecAbsExpr.h:410
Header file for the IsSparseVector type trait.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2407
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:176
SVecAbsExpr< VT, TF > This
Type of this SVecAbsExpr instance.
Definition: SVecAbsExpr.h:153
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:317
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:301
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecAbsExpr.h:393
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:331
Element * Iterator
Iterator over non-constant elements.
Definition: CompressedMatrix.h:2411
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecAbsExpr.h:186
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:381
VT::CompositeType CT
Composite type of the sparse vector expression.
Definition: SVecAbsExpr.h:99
PointerType pointer
Pointer return type.
Definition: SVecAbsExpr.h:195
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:403
TT TransposeType
Transpose type for expression template evaluations.
Definition: SVecAbsExpr.h:155
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:108
#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:2403
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:224
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:165
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:235
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecAbsExpr.h:213
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecAbsExpr.h:267
#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:349
Operand operand() const
Returns the sparse vector operand.
Definition: SVecAbsExpr.h:369
SVecAbsExpr(const VT &sv)
Constructor for the SVecAbsExpr class.
Definition: SVecAbsExpr.h:306