35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATABSEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATABSEXPR_H_
102 template<
typename MT
104 class SMatAbsExpr :
public SparseMatrix< SMatAbsExpr<MT,SO>, SO >
106 ,
private Computation
139 template<
typename MT2 >
142 enum { value = useAssign };
155 template<
typename MT2 >
156 struct UseSMPAssign {
157 enum { value = ( !MT2::smpAssignable || !MT::smpAssignable ) && useAssign };
233 return Element(
abs( it_->value() ), it_->index() );
254 return abs( it_->value() );
275 return it_ == rhs.
it_;
286 return it_ != rhs.
it_;
297 return it_ - rhs.
it_;
310 enum { smpAssignable = MT::smpAssignable };
376 return sm_.columns();
386 return sm_.nonZeros();
397 return sm_.nonZeros(i);
456 template<
typename T >
458 return sm_.canAlias( alias );
468 template<
typename T >
470 return sm_.isAliased( alias );
480 return sm_.canSMPAssign();
503 template<
typename MT2
535 template<
typename MT2 >
550 const size_t m( rhs.rows() );
552 for(
size_t i=0UL; i<m; ++i ) {
553 const Iterator
end( (~lhs).
end(i) );
554 for( Iterator element=(~lhs).
begin(i); element!=
end; ++element ) {
555 element->value() =
abs( element->value() );
576 template<
typename MT2 >
577 friend inline typename EnableIf< UseAssign<MT2> >::Type
591 const size_t n( rhs.columns() );
593 for(
size_t j=0UL; j<n; ++j ) {
594 const Iterator
end( (~lhs).
end(j) );
595 for( Iterator element=(~lhs).
begin(j); element!=
end; ++element ) {
596 element->value() =
abs( element->value() );
617 template<
typename MT2
619 friend inline typename EnableIf< UseAssign<MT2> >::Type
630 const ResultType tmp(
serial( rhs ) );
654 template<
typename MT2
656 friend inline typename EnableIf< UseAssign<MT2> >::Type
667 const ResultType tmp(
serial( rhs ) );
699 template<
typename MT2
701 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
733 template<
typename MT2
735 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
746 const ResultType tmp( rhs );
770 template<
typename MT2
772 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
783 const ResultType tmp( rhs );
836 template<
typename MT
866 template<
typename MT
868 inline const SMatAbsExpr<MT,TF>&
abs(
const SMatAbsExpr<MT,TF>& sm )
888 template<
typename MT,
bool SO >
889 struct Rows<
SMatAbsExpr<MT,SO> > :
public Rows<MT>
905 template<
typename MT,
bool SO >
906 struct Columns<
SMatAbsExpr<MT,SO> > :
public Columns<MT>
922 template<
typename MT,
bool SO >
923 struct IsSymmetric<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsSymmetric<MT>::value >
939 template<
typename MT,
bool SO >
940 struct IsLower<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsLower<MT>::value >
956 template<
typename MT,
bool SO >
957 struct IsUniLower<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsUniLower<MT>::value >
973 template<
typename MT,
bool SO >
974 struct IsStrictlyLower<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsStrictlyLower<MT>::value >
990 template<
typename MT,
bool SO >
991 struct IsUpper<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsUpper<MT>::value >
1007 template<
typename MT,
bool SO >
1008 struct IsUniUpper<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsUniUpper<MT>::value >
1024 template<
typename MT,
bool SO >
1025 struct IsStrictlyUpper<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsStrictlyUpper<MT>::value >
1041 template<
typename MT >
1046 typedef typename SelectType< IsSparseMatrix<MT>::value && IsRowMajorMatrix<MT>::value
1047 , SMatAbsExpr<MT,false>
1048 , INVALID_TYPE >::Type Type;
1057 template<
typename MT >
1062 typedef typename SelectType< IsSparseMatrix<MT>::value && IsColumnMajorMatrix<MT>::value
1063 , SMatAbsExpr<MT,true>
1064 , INVALID_TYPE >::Type Type;
1073 template<
typename MT,
bool SO,
bool AF >
1074 struct SubmatrixExprTrait<
SMatAbsExpr<MT,SO>, AF >
1078 typedef typename AbsExprTrait< typename SubmatrixExprTrait<const MT,AF>::Type >::Type Type;
1087 template<
typename MT,
bool SO >
1092 typedef typename AbsExprTrait< typename RowExprTrait<const MT>::Type >::Type Type;
1101 template<
typename MT,
bool SO >
1106 typedef typename AbsExprTrait< typename ColumnExprTrait<const MT>::Type >::Type Type;
Pointer difference type of the Blaze library.
ConstIterator upperBound(size_t i, size_t j) const
Returns an iterator to the first index greater then the given index.
Definition: SMatAbsExpr.h:434
MT::ReturnType RN
Return type of the sparse matrix expression.
Definition: SMatAbsExpr.h:111
const Element operator*() const
Direct access to the sparse matrix element at the current iterator position.
Definition: SMatAbsExpr.h:231
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SMatAbsExpr.h:171
SMatAbsExpr< MT, SO > This
Type of this SMatAbsExpr instance.
Definition: SMatAbsExpr.h:164
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.
Header file for the IsUniUpper type trait.
Header file for basic type definitions.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: SMatAbsExpr.h:385
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SMatAbsExpr.h:457
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SMatAbsExpr.h:285
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type Operand
Composite data type of the sparse matrix expression.
Definition: SMatAbsExpr.h:177
#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
Header file for the ColumnExprTrait class template.
ReferenceType reference
Reference return type.
Definition: SMatAbsExpr.h:203
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2507
Header file for the IsRowVector type trait.
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:421
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:914
ConstIterator find(size_t i, size_t j) const
Searches for a specific matrix element.
Definition: SMatAbsExpr.h:408
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:699
Header file for the Computation base class.
Element ValueType
Type of the underlying pointers.
Definition: SMatAbsExpr.h:194
MT::CompositeType CT
Composite type of the sparse matrix expression.
Definition: SMatAbsExpr.h:112
Header file for the RequiresEvaluation type trait.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SMatAbsExpr.h:274
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SMatAbsExpr.h:375
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row i.
Definition: SMatAbsExpr.h:355
const ConstIterator * operator->() const
Direct access to the sparse matrix element at the current iterator position.
Definition: SMatAbsExpr.h:242
Header file for the IsUniLower type trait.
CompressedMatrix< Type, false > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: CompressedMatrix.h:2503
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:107
ValueType * PointerType
Pointer return type.
Definition: SMatAbsExpr.h:195
ValueType & ReferenceType
Reference return type.
Definition: SMatAbsExpr.h:196
Constraint on the data type.
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:838
Header file for the SparseMatrix base class.
DifferenceType difference_type
Difference between two iterators.
Definition: SMatAbsExpr.h:204
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:263
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 IsStrictlyUpper type trait.
Header file for the IsSymmetric type trait.
ValueIndexPair< ElementType > Element
Element type of the sparse matrix expression.
Definition: SMatAbsExpr.h:188
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SMatAbsExpr.h:469
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2511
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.
SelectType< useAssign, const ResultType, const SMatAbsExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SMatAbsExpr.h:174
size_t index() const
Access to the current index of the sparse element.
Definition: SMatAbsExpr.h:263
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:183
#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:2504
Constraints on the storage order of matrix types.
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2505
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.
Header file for the EnableIf class template.
Header file for the IsStrictlyLower type trait.
Header file for the serial shim.
Header file for the TSMatAbsExprTrait class template.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: SMatAbsExpr.h:197
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SMatAbsExpr.h:396
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
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:2506
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
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.
ConstIterator & operator++()
Pre-increment operator.
Definition: SMatAbsExpr.h:220
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
MT::ResultType RT
Result type of the sparse matrix expression.
Definition: SMatAbsExpr.h:110
MT::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SMatAbsExpr.h:167
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:2510
AbsExprTrait< RN >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SMatAbsExpr.h:125
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: SMatAbsExpr.h:479
ValueType value_type
Type of the underlying pointers.
Definition: SMatAbsExpr.h:201
#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
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row i.
Definition: SMatAbsExpr.h:344
IteratorType it_
Iterator over the elements of the sparse matrix expression.
Definition: SMatAbsExpr.h:303
Header file for the RemoveReference type trait.
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SMatAbsExpr.h:365
Header file for the SMatAbsExprTrait class template.
MT::ElementType ElementType
Resulting element type.
Definition: SMatAbsExpr.h:168
PointerType pointer
Pointer return type.
Definition: SMatAbsExpr.h:202
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:70
Header file for the IsComputation type trait class.
IteratorCategory iterator_category
The iterator category.
Definition: SMatAbsExpr.h:200
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
RemoveReference< Operand >::Type::ConstIterator IteratorType
Iterator type of the sparse matrix expression.
Definition: SMatAbsExpr.h:191
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatAbsExpr.h:330
#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:2502
Header file for the IsTrue value trait.
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SMatAbsExpr.h:296
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SMatAbsExpr.h:193
Expression object for the sparse matrix abs() function.The SMatAbsExpr class represents the compile t...
Definition: Forward.h:88
Operand operand() const
Returns the sparse matrix operand.
Definition: SMatAbsExpr.h:445
Header file for the IsUpper type trait.
MT::ResultType ResultType
Result type for expression template evaluations.
Definition: SMatAbsExpr.h:165
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:486
Evaluation of the return type of an absolute value expression.Via this type trait it is possible to e...
Definition: AbsExprTrait.h:87
SMatAbsExpr(const MT &sm)
Constructor for the SMatAbsExpr class.
Definition: SMatAbsExpr.h:318
ConstIterator(IteratorType it)
Constructor for the ConstIterator class.
Definition: SMatAbsExpr.h:210
#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
MT::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SMatAbsExpr.h:166
#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
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
ReturnType value() const
Access to the current value of the sparse element.
Definition: SMatAbsExpr.h:252