35 #ifndef _BLAZE_MATH_EXPRESSIONS_SMATABSEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SMATABSEXPR_H_
104 template<
typename MT
106 class SMatAbsExpr :
public SparseMatrix< SMatAbsExpr<MT,SO>, SO >
108 ,
private Computation
141 template<
typename MT2 >
144 enum { value = useAssign };
157 template<
typename MT2 >
158 struct UseSMPAssign {
159 enum { value = ( !MT2::smpAssignable || !MT::smpAssignable ) && useAssign };
235 return Element(
abs( it_->value() ), it_->index() );
256 return abs( it_->value() );
277 return it_ == rhs.
it_;
288 return it_ != rhs.
it_;
299 return it_ - rhs.
it_;
312 enum { smpAssignable = MT::smpAssignable };
348 inline ReturnType
at(
size_t i,
size_t j )
const {
349 if( i >=
sm_.rows() ) {
352 if( j >=
sm_.columns() ) {
397 return sm_.columns();
407 return sm_.nonZeros();
418 return sm_.nonZeros(i);
477 template<
typename T >
479 return sm_.canAlias( alias );
489 template<
typename T >
491 return sm_.isAliased( alias );
501 return sm_.canSMPAssign();
524 template<
typename MT2
536 assign( ~lhs, rhs.sm_ );
537 assign( ~lhs,
abs( ~lhs ) );
556 template<
typename MT2 >
569 assign( ~lhs, rhs.sm_ );
571 const size_t m( rhs.rows() );
573 for(
size_t i=0UL; i<m; ++i ) {
574 const Iterator
end( (~lhs).
end(i) );
575 for( Iterator element=(~lhs).
begin(i); element!=
end; ++element ) {
576 element->value() =
abs( element->value() );
597 template<
typename MT2 >
598 friend inline typename EnableIf< UseAssign<MT2> >::Type
599 assign( SparseMatrix<MT2,true>& lhs,
const SMatAbsExpr& rhs )
610 assign( ~lhs, rhs.sm_ );
612 const size_t n( rhs.columns() );
614 for(
size_t j=0UL; j<n; ++j ) {
615 const Iterator
end( (~lhs).
end(j) );
616 for( Iterator element=(~lhs).
begin(j); element!=
end; ++element ) {
617 element->value() =
abs( element->value() );
638 template<
typename MT2
640 friend inline typename EnableIf< UseAssign<MT2> >::Type
641 addAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatAbsExpr& rhs )
651 const ResultType tmp(
serial( rhs ) );
652 addAssign( ~lhs, tmp );
675 template<
typename MT2
677 friend inline typename EnableIf< UseAssign<MT2> >::Type
678 subAssign( DenseMatrix<MT2,SO2>& lhs,
const SMatAbsExpr& rhs )
688 const ResultType tmp(
serial( rhs ) );
689 subAssign( ~lhs, tmp );
720 template<
typename MT2
722 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
754 template<
typename MT2
756 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
767 const ResultType tmp( rhs );
791 template<
typename MT2
793 friend inline typename EnableIf< UseSMPAssign<MT2> >::Type
804 const ResultType tmp( rhs );
857 template<
typename MT
887 template<
typename MT
889 inline const SMatAbsExpr<MT,TF>&
abs(
const SMatAbsExpr<MT,TF>& sm )
909 template<
typename MT,
bool SO >
910 struct Rows<
SMatAbsExpr<MT,SO> > :
public Rows<MT>
926 template<
typename MT,
bool SO >
927 struct Columns<
SMatAbsExpr<MT,SO> > :
public Columns<MT>
943 template<
typename MT,
bool SO >
944 struct IsSymmetric<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsSymmetric<MT>::value >
960 template<
typename MT,
bool SO >
961 struct IsHermitian<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsHermitian<MT>::value >
977 template<
typename MT,
bool SO >
978 struct IsLower<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsLower<MT>::value >
994 template<
typename MT,
bool SO >
995 struct IsUniLower<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsUniLower<MT>::value >
1011 template<
typename MT,
bool SO >
1012 struct IsStrictlyLower<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsStrictlyLower<MT>::value >
1028 template<
typename MT,
bool SO >
1029 struct IsUpper<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsUpper<MT>::value >
1045 template<
typename MT,
bool SO >
1046 struct IsUniUpper<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsUniUpper<MT>::value >
1062 template<
typename MT,
bool SO >
1063 struct IsStrictlyUpper<
SMatAbsExpr<MT,SO> > :
public IsTrue< IsStrictlyUpper<MT>::value >
1079 template<
typename MT >
1084 typedef typename SelectType< IsSparseMatrix<MT>::value && IsRowMajorMatrix<MT>::value
1085 , SMatAbsExpr<MT,false>
1086 , INVALID_TYPE >::Type Type;
1095 template<
typename MT >
1100 typedef typename SelectType< IsSparseMatrix<MT>::value && IsColumnMajorMatrix<MT>::value
1101 , SMatAbsExpr<MT,true>
1102 , INVALID_TYPE >::Type Type;
1111 template<
typename MT,
bool SO,
bool AF >
1112 struct SubmatrixExprTrait<
SMatAbsExpr<MT,SO>, AF >
1116 typedef typename AbsExprTrait< typename SubmatrixExprTrait<const MT,AF>::Type >::Type Type;
1125 template<
typename MT,
bool SO >
1130 typedef typename AbsExprTrait< typename RowExprTrait<const MT>::Type >::Type Type;
1139 template<
typename MT,
bool SO >
1144 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:455
MT::ReturnType RN
Return type of the sparse matrix expression.
Definition: SMatAbsExpr.h:113
const Element operator*() const
Direct access to the sparse matrix element at the current iterator position.
Definition: SMatAbsExpr.h:233
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SMatAbsExpr.h:173
SMatAbsExpr< MT, SO > This
Type of this SMatAbsExpr instance.
Definition: SMatAbsExpr.h:166
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:406
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SMatAbsExpr.h:478
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SMatAbsExpr.h:287
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type Operand
Composite data type of the sparse matrix expression.
Definition: SMatAbsExpr.h:179
#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:81
Header file for the ColumnExprTrait class template.
ReferenceType reference
Reference return type.
Definition: SMatAbsExpr.h:205
Header file for the IsColumnMajorMatrix type trait.
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2588
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:442
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:938
ConstIterator find(size_t i, size_t j) const
Searches for a specific matrix element.
Definition: SMatAbsExpr.h:429
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:721
Header file for the Computation base class.
Element ValueType
Type of the underlying pointers.
Definition: SMatAbsExpr.h:196
MT::CompositeType CT
Composite type of the sparse matrix expression.
Definition: SMatAbsExpr.h:114
Header file for the RequiresEvaluation type trait.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SMatAbsExpr.h:276
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SMatAbsExpr.h:396
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row i.
Definition: SMatAbsExpr.h:376
const ConstIterator * operator->() const
Direct access to the sparse matrix element at the current iterator position.
Definition: SMatAbsExpr.h:244
Header file for the IsUniLower type trait.
CompressedMatrix< Type, false > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: CompressedMatrix.h:2584
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:117
ValueType * PointerType
Pointer return type.
Definition: SMatAbsExpr.h:197
ValueType & ReferenceType
Reference return type.
Definition: SMatAbsExpr.h:198
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:859
Header file for the SparseMatrix base class.
DifferenceType difference_type
Difference between two iterators.
Definition: SMatAbsExpr.h:206
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: SMatAbsExpr.h:348
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:261
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:190
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:490
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2592
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exceptionThis macro encapsulates the default way of Bla...
Definition: Exception.h:331
Header file for the Columns type trait.
SelectType< useAssign, const ResultType, const SMatAbsExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SMatAbsExpr.h:176
size_t index() const
Access to the current index of the sparse element.
Definition: SMatAbsExpr.h:265
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:185
#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:2585
Constraints on the storage order of matrix types.
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2586
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:199
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SMatAbsExpr.h:417
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:2587
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:222
MT::ResultType RT
Result type of the sparse matrix expression.
Definition: SMatAbsExpr.h:112
MT::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SMatAbsExpr.h:169
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:2591
AbsExprTrait< RN >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SMatAbsExpr.h:127
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: SMatAbsExpr.h:500
ValueType value_type
Type of the underlying pointers.
Definition: SMatAbsExpr.h:203
#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:365
IteratorType it_
Iterator over the elements of the sparse matrix expression.
Definition: SMatAbsExpr.h:305
Header file for the RemoveReference type trait.
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SMatAbsExpr.h:386
Header file for the SMatAbsExprTrait class template.
MT::ElementType ElementType
Resulting element type.
Definition: SMatAbsExpr.h:170
PointerType pointer
Pointer return type.
Definition: SMatAbsExpr.h:204
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:70
Header file for the IsRowMajorMatrix type trait.
Header file for the IsComputation type trait class.
IteratorCategory iterator_category
The iterator category.
Definition: SMatAbsExpr.h:202
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:193
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SMatAbsExpr.h:332
#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:2583
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:298
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SMatAbsExpr.h:195
Expression object for the sparse matrix abs() function.The SMatAbsExpr class represents the compile t...
Definition: Forward.h:95
Operand operand() const
Returns the sparse matrix operand.
Definition: SMatAbsExpr.h:466
Header file for the IsUpper type trait.
Header file for exception macros.
MT::ResultType ResultType
Result type for expression template evaluations.
Definition: SMatAbsExpr.h:167
Header file for the AbsExprTrait class template.
Operand sm_
Sparse matrix of the absolute value expression.
Definition: SMatAbsExpr.h:507
Evaluation of the return type of an absolute value expression.Via this type trait it is possible to e...
Definition: AbsExprTrait.h:88
SMatAbsExpr(const MT &sm)
Constructor for the SMatAbsExpr class.
Definition: SMatAbsExpr.h:320
Header file for the IsHermitian type trait.
ConstIterator(IteratorType it)
Constructor for the ConstIterator class.
Definition: SMatAbsExpr.h:212
#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:168
#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.
ReturnType value() const
Access to the current value of the sparse element.
Definition: SMatAbsExpr.h:254