35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATABSEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATABSEXPR_H_
100 class SMatAbsExpr :
public SparseMatrix< SMatAbsExpr<MT,SO>, SO >
102 ,
private Computation
135 template<
typename MT2 >
138 enum { value = useAssign };
151 template<
typename MT2 >
152 struct UseSMPAssign {
153 enum { value = ( !MT2::smpAssignable || !MT::smpAssignable ) && useAssign };
229 return Element(
abs( it_->value() ), it_->index() );
250 return abs( it_->value() );
271 return it_ == rhs.
it_;
282 return it_ != rhs.
it_;
293 return it_ - rhs.
it_;
306 enum { smpAssignable = MT::smpAssignable };
372 return sm_.columns();
382 return sm_.nonZeros();
393 return sm_.nonZeros(i);
452 template<
typename T >
454 return sm_.canAlias( alias );
464 template<
typename T >
466 return sm_.isAliased( alias );
476 return sm_.canSMPAssign();
499 template<
typename MT2
531 template<
typename MT2 >
546 const size_t m( rhs.rows() );
548 for(
size_t i=0UL; i<m; ++i ) {
549 const Iterator
end( (~lhs).
end(i) );
550 for( Iterator element=(~lhs).
begin(i); element!=
end; ++element ) {
551 element->value() =
abs( element->value() );
572 template<
typename MT2 >
573 friend inline typename EnableIf< UseAssign<MT2> >::Type
587 const size_t n( rhs.columns() );
589 for(
size_t j=0UL; j<n; ++j ) {
590 const Iterator
end( (~lhs).
end(j) );
591 for( Iterator element=(~lhs).
begin(j); element!=
end; ++element ) {
592 element->value() =
abs( element->value() );
613 template<
typename MT2
615 friend inline typename EnableIf< UseAssign<MT2> >::Type
650 template<
typename MT2
652 friend inline typename EnableIf< UseAssign<MT2> >::Type
695 template<
typename MT2
697 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
729 template<
typename MT2
731 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
766 template<
typename MT2
768 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
832 template<
typename MT
862 template<
typename MT
864 inline const SMatAbsExpr<MT,TF>&
abs(
const SMatAbsExpr<MT,TF>& sm )
884 template<
typename MT,
bool SO >
885 struct Rows<
SMatAbsExpr<MT,SO> > :
public Rows<MT>
901 template<
typename MT,
bool SO >
902 struct Columns<
SMatAbsExpr<MT,SO> > :
public Columns<MT>
918 template<
typename MT,
bool SO >
919 struct IsSymmetric<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsSymmetric<MT>::value >
935 template<
typename MT,
bool SO >
936 struct IsLower<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsLower<MT>::value >
952 template<
typename MT,
bool SO >
953 struct IsUpper<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsUpper<MT>::value >
969 template<
typename MT >
974 typedef typename SelectType< IsSparseMatrix<MT>::value && IsRowMajorMatrix<MT>::value
975 , SMatAbsExpr<MT,false>
976 , INVALID_TYPE >::Type Type;
985 template<
typename MT >
990 typedef typename SelectType< IsSparseMatrix<MT>::value && IsColumnMajorMatrix<MT>::value
991 , SMatAbsExpr<MT,true>
992 , INVALID_TYPE >::Type Type;
1001 template<
typename MT,
bool SO,
bool AF >
1002 struct SubmatrixExprTrait<
SMatAbsExpr<MT,SO>, AF >
1006 typedef typename AbsExprTrait< typename SubmatrixExprTrait<const MT,AF>::Type >::Type Type;
1015 template<
typename MT,
bool SO >
1020 typedef typename AbsExprTrait< typename RowExprTrait<const MT>::Type >::Type Type;
1029 template<
typename MT,
bool SO >
1034 typedef typename AbsExprTrait< typename ColumnExprTrait<const MT>::Type >::Type Type;
IteratorCategory iterator_category
The iterator category.
Definition: SMatAbsExpr.h:196
Pointer difference type of the Blaze library.
MT::ResultType ResultType
Result type for expression template evaluations.
Definition: SMatAbsExpr.h:161
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
Header file for the Rows type trait.
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SMatAbsExpr.h:167
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: SMatAbsExpr.h:193
ReferenceType reference
Reference return type.
Definition: SMatAbsExpr.h:199
RemoveReference< Operand >::Type::ConstIterator IteratorType
Iterator type of the sparse matrix expression.
Definition: SMatAbsExpr.h:187
PointerType pointer
Pointer return type.
Definition: SMatAbsExpr.h:198
MT::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatAbsExpr.h:162
ConstIterator find(size_t i, size_t j) const
Searches for a specific matrix element.
Definition: SMatAbsExpr.h:404
#define BLAZE_CONSTRAINT_MUST_BE_MATRIX_WITH_STORAGE_ORDER(T, SO)
Constraint on the data type.In case the given data type T is not a dense or sparse matrix type and in...
Definition: StorageOrder.h:242
ReturnType value() const
Access to the current value of the sparse element.
Definition: SMatAbsExpr.h:248
Header file for the ColumnExprTrait class template.
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2478
Header file for the IsRowVector type trait.
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:909
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: SMatAbsExpr.h:475
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row i.
Definition: SMatAbsExpr.h:340
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:695
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SMatAbsExpr.h:465
ValueType & ReferenceType
Reference return type.
Definition: SMatAbsExpr.h:192
MT::ElementType ElementType
Resulting element type.
Definition: SMatAbsExpr.h:164
CompressedMatrix< Type, false > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: CompressedMatrix.h:2474
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
ConstIterator upperBound(size_t i, size_t j) const
Returns an iterator to the first index greater then the given index.
Definition: SMatAbsExpr.h:430
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:107
Constraint on the data type.
Operand operand() const
Returns the sparse matrix operand.
Definition: SMatAbsExpr.h:441
const SMatAbsExpr< MT, SO > abs(const SparseMatrix< MT, SO > &sm)
Returns a matrix containing the absolute values of each single element of sm.
Definition: SMatAbsExpr.h:834
Header file for the SparseMatrix base class.
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SMatAbsExpr.h:392
ConstIterator(IteratorType it)
Constructor for the ConstIterator class.
Definition: SMatAbsExpr.h:206
Constraint on the data type.
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:259
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
Header file for the IsTemporary type trait class.
Header file for the IsSymmetric type trait.
Element ValueType
Type of the underlying pointers.
Definition: SMatAbsExpr.h:190
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SMatAbsExpr.h:281
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatAbsExpr.h:326
ValueType * PointerType
Pointer return type.
Definition: SMatAbsExpr.h:191
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2482
size_t index() const
Access to the current index of the sparse element.
Definition: SMatAbsExpr.h:259
BLAZE_ALWAYS_INLINE 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:635
Header file for the Columns type trait.
SMatAbsExpr(const MT &sm)
Constructor for the SMatAbsExpr class.
Definition: SMatAbsExpr.h:314
Header file for the MatAbsExpr base class.
Header file for the IsLower type trait.
Iterator over the elements of the sparse matrix absolute value expression.
Definition: SMatAbsExpr.h:179
#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:2475
Constraints on the storage order of matrix types.
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2476
Constraint on the data type.
Header file for the SelectType class template.
Header file for the RowExprTrait class template.
Header file for all forward declarations for expression class templates.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SMatAbsExpr.h:270
const ConstIterator * operator->() const
Direct access to the sparse matrix element at the current iterator position.
Definition: SMatAbsExpr.h:238
const Element operator*() const
Direct access to the sparse matrix element at the current iterator position.
Definition: SMatAbsExpr.h:227
Header file for the EnableIf class template.
Header file for the serial shim.
MT::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SMatAbsExpr.h:163
Header file for the TSMatAbsExprTrait class template.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: SMatAbsExpr.h:381
EnableIf< IsDenseMatrix< MT1 > >::Type smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:160
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SMatAbsExpr.h:453
Header file for the IsSparseVector type trait.
Header file for the SubmatrixExprTrait class template.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2477
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SMatAbsExpr.h:361
Header file for run time assertion macros.
EnableIf< IsDenseMatrix< MT1 > >::Type smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:98
Utility type for generic codes.
BLAZE_ALWAYS_INLINE 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:742
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
Element * Iterator
Iterator over non-constant elements.
Definition: CompressedMatrix.h:2481
ConstIterator lowerBound(size_t i, size_t j) const
Returns an iterator to the first index not less then the given index.
Definition: SMatAbsExpr.h:417
#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:118
Header file for the RemoveReference type trait.
IteratorType it_
Iterator over the elements of the sparse matrix expression.
Definition: SMatAbsExpr.h:299
ConstIterator & operator++()
Pre-increment operator.
Definition: SMatAbsExpr.h:216
Header file for the SMatAbsExprTrait class template.
SelectType< useAssign, const ResultType, const SMatAbsExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SMatAbsExpr.h:170
MT::ResultType RT
Result type of the sparse matrix expression.
Definition: SMatAbsExpr.h:106
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row i.
Definition: SMatAbsExpr.h:351
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SMatAbsExpr.h:189
ValueType value_type
Type of the underlying pointers.
Definition: SMatAbsExpr.h:197
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:70
ValueIndexPair< ElementType > Element
Element type of the sparse matrix expression.
Definition: SMatAbsExpr.h:184
AbsExprTrait< RN >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SMatAbsExpr.h:121
Header file for the IsComputation type trait class.
EnableIf< IsDenseMatrix< MT1 > >::Type smpAddAssign(Matrix< 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:129
DifferenceType difference_type
Difference between two iterators.
Definition: SMatAbsExpr.h:200
MT::CompositeType CT
Composite type of the sparse matrix expression.
Definition: SMatAbsExpr.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:2473
Header file for the IsTrue value trait.
Header file for basic type definitions.
Expression object for the sparse matrix abs() function.The SMatAbsExpr class represents the compile t...
Definition: Forward.h:88
MT::ReturnType RN
Return type of the sparse matrix expression.
Definition: SMatAbsExpr.h:107
Header file for the IsUpper type trait.
Header file for the AbsExprTrait class template.
Header file for the IsColumnVector type trait.
Operand sm_
Sparse matrix of the absolute value expression.
Definition: SMatAbsExpr.h:482
Evaluation of the return type of an absolute value expression.Via this type trait it is possible to e...
Definition: AbsExprTrait.h:87
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SMatAbsExpr.h:371
#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
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SMatAbsExpr.h:292
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional matrix type...
Definition: SparseMatrix.h:79
SMatAbsExpr< MT, SO > This
Type of this SMatAbsExpr instance.
Definition: SMatAbsExpr.h:160
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type Operand
Composite data type of the sparse matrix expression.
Definition: SMatAbsExpr.h:173
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
BLAZE_ALWAYS_INLINE 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:849