35 #ifndef _BLAZE_MATH_EXPRESSIONS_DMATDMATSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DMATDMATSUBEXPR_H_
86 template<
typename MT1
129 template<
typename VT >
132 enum { value = useAssign };
274 return (*
left_) - (*right_);
411 enum { vectorizable = MT1::vectorizable && MT2::vectorizable &&
416 enum { smpAssignable = MT1::smpAssignable && MT2::smpAssignable };
505 return lhs_.columns();
535 template<
typename T >
548 template<
typename T >
550 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
560 return lhs_.isAligned() &&
rhs_.isAligned();
570 return lhs_.canSMPAssign() ||
rhs_.canSMPAssign() ||
595 template<
typename MT
630 template<
typename MT
649 const TmpType tmp( rhs );
669 template<
typename MT
671 friend inline typename EnableIf< UseAssign<MT> >::Type
703 template<
typename MT
705 friend inline typename EnableIf< UseAssign<MT> >::Type
774 template<
typename T1
777 inline const DMatDMatSubExpr<T1,T2,SO>
783 throw std::invalid_argument(
"Matrix sizes do not match" );
800 template<
typename MT1,
typename MT2,
bool SO,
bool AF >
801 struct SubmatrixExprTrait< DMatDMatSubExpr<MT1,MT2,SO>, AF >
805 typedef typename SubExprTrait< typename SubmatrixExprTrait<const MT1,AF>::Type
806 ,
typename SubmatrixExprTrait<const MT2,AF>::Type >::Type Type;
815 template<
typename MT1,
typename MT2,
bool SO >
816 struct RowExprTrait< DMatDMatSubExpr<MT1,MT2,SO> >
820 typedef typename SubExprTrait< typename RowExprTrait<const MT1>::Type
821 ,
typename RowExprTrait<const MT2>::Type >::Type Type;
830 template<
typename MT1,
typename MT2,
bool SO >
831 struct ColumnExprTrait< DMatDMatSubExpr<MT1,MT2,SO> >
835 typedef typename SubExprTrait< typename ColumnExprTrait<const MT1>::Type
836 ,
typename ColumnExprTrait<const MT2>::Type >::Type Type;
Pointer difference type of the Blaze library.
const ConstIterator operator++(int)
Post-increment operator.
Definition: DMatDMatSubExpr.h:241
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DMatDMatSubExpr.h:273
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
ConstIterator & operator++()
Pre-increment operator.
Definition: DMatDMatSubExpr.h:229
Header file for the subtraction trait.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: DMatDMatSubExpr.h:536
bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DMatDMatSubExpr.h:327
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: DMatDMatSubExpr.h:147
ElementType * PointerType
Pointer return type.
Definition: DMatDMatSubExpr.h:168
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
IntrinsicTrait< ElementType >::Type IntrinsicType
Resulting intrinsic element type.
Definition: DMatDMatSubExpr.h:144
#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
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:197
DMatDMatSubExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the DMatDMatSubExpr class.
Definition: DMatDMatSubExpr.h:425
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional matrix type...
Definition: DenseMatrix.h:79
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: DMatDMatSubExpr.h:441
Header file for the ColumnExprTrait class template.
Header file for the IsSame and IsStrictlySame type traits.
IntrinsicType load() const
Access to the intrinsic elements of the matrix.
Definition: DMatDMatSubExpr.h:283
Header file for the sparse matrix SMP implementation.
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2384
MT1::ReturnType RN1
Return type of the left-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:97
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:249
ConstIterator & operator--()
Pre-decrement operator.
Definition: DMatDMatSubExpr.h:251
PointerType pointer
Pointer return type.
Definition: DMatDMatSubExpr.h:175
Header file for the Computation base class.
Type relationship analysis.This class tests if the two data types A and B are equal. For this type comparison, the cv-qualifiers of both data types are ignored. If A and B are the same data type (ignoring the cv-qualifiers), then the value member enumeration is set to 1, the nested type definition Type is TrueType, and the class derives from TrueType. Otherwise value is set to 0, Type is FalseType, and the class derives from FalseType.
Definition: IsSame.h:158
MT2::ConstIterator RightIteratorType
ConstIterator type of the right-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:183
Header file for the RequiresEvaluation type trait.
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
Iterator over the elements of the dense matrix.
Definition: DMatDMatSubExpr.h:162
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:104
Constraint on the data type.
ResultType::ElementType ElementType
Resulting element type.
Definition: DMatDMatSubExpr.h:143
MT1::CompositeType CT1
Composite type of the left-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:99
Constraint on the data type.
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
DifferenceType difference_type
Difference between two iterators.
Definition: DMatDMatSubExpr.h:177
RightOperand rhs_
Right-hand side dense matrix of the subtraction expression.
Definition: DMatDMatSubExpr.h:578
Expression object for dense matrix-dense matrix subtractions.The DMatDMatSubExpr class represents the...
Definition: DMatDMatSubExpr.h:89
Compile time type selection.The SelectType class template selects one of the two given types T1 and T...
Definition: SelectType.h:59
size_t rows() const
Returns the current number of rows of the matrix.
Definition: DMatDMatSubExpr.h:494
Header file for the IsTemporary type trait class.
SubTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: DMatDMatSubExpr.h:140
Base class for all matrix/matrix subtraction expression templates.The MatMatSubExpr class serves as a...
Definition: MatMatSubExpr.h:65
ConstIterator begin(size_t i) const
Returns an iterator to the first non-zero element of row i.
Definition: DMatDMatSubExpr.h:473
ElementType ValueType
Type of the underlying elements.
Definition: DMatDMatSubExpr.h:167
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2388
Header file for the dense matrix SMP implementation.
Header file for the DenseMatrix base class.
DMatDMatSubExpr< MT1, MT2, SO > This
Type of this DMatDMatSubExpr instance.
Definition: DMatDMatSubExpr.h:139
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DMatDMatSubExpr.h:166
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:153
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DMatDMatSubExpr.h:404
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
Header file for the MatMatSubExpr base class.
ReferenceType reference
Reference return type.
Definition: DMatDMatSubExpr.h:176
const size_t SMP_DMATDMATSUB_THRESHOLD
SMP row-major dense matrix/row-major dense matrix subtraction threshold.This threshold represents the...
Definition: Thresholds.h:392
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: DMatDMatSubExpr.h:569
ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DMatDMatSubExpr.h:192
#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
bool isAligned() const
Returns whether the operands of the expression are properly aligned in memory.
Definition: DMatDMatSubExpr.h:559
Constraints on the storage order of matrix types.
MT1::ElementType ET1
Element type of the left-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:101
ConstIterator end(size_t i) const
Returns an iterator just past the last non-zero element of row i.
Definition: DMatDMatSubExpr.h:484
Evaluation of the return type of a subtraction expression.Via this type trait it is possible to evalu...
Definition: SubExprTrait.h:103
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2382
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: DMatDMatSubExpr.h:142
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:156
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.
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DMatDMatSubExpr.h:338
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: DMatDMatSubExpr.h:141
ValueType value_type
Type of the underlying elements.
Definition: DMatDMatSubExpr.h:174
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
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DMatDMatSubExpr.h:305
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DMatDMatSubExpr.h:360
Header file for the SubmatrixExprTrait class template.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2383
MT2::CompositeType CT2
Composite type of the right-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:100
Intrinsic characteristics of data types.The IntrinsicTrait class template provides the intrinsic char...
Definition: IntrinsicTrait.h:748
Header file for run time assertion macros.
MT2::ElementType ET2
Element type of the right-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:102
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 operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DMatDMatSubExpr.h:294
const DenseIterator< Type > operator-(const DenseIterator< Type > &it, ptrdiff_t inc)
Subtraction between a DenseIterator and an integral value.
Definition: DenseIterator.h:585
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DMatDMatSubExpr.h:384
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
MT2::ReturnType RN2
Return type of the right-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:98
ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DMatDMatSubExpr.h:217
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DMatDMatSubExpr.h:396
#define BLAZE_CONSTRAINT_MATRICES_MUST_HAVE_SAME_STORAGE_ORDER(T1, T2)
Constraint on the data type.In case either of the two given data types T1 or T2 is not a matrix type ...
Definition: StorageOrder.h:283
bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DMatDMatSubExpr.h:349
RightOperand rightOperand() const
Returns the right-hand side dense matrix operand.
Definition: DMatDMatSubExpr.h:524
Header file for all intrinsic functionality.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DMatDMatSubExpr.h:170
IntrinsicType load(size_t i, size_t j) const
Access to the intrinsic elements of the matrix.
Definition: DMatDMatSubExpr.h:455
ElementType & ReferenceType
Reference return type.
Definition: DMatDMatSubExpr.h:169
MT2::ResultType RT2
Result type of the right-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:96
const bool rowMajor
Storage order flag for row-major matrices.
Definition: StorageOrder.h:71
SelectType< useAssign, const ResultType, const DMatDMatSubExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: DMatDMatSubExpr.h:150
IteratorCategory iterator_category
The iterator category.
Definition: DMatDMatSubExpr.h:173
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:59
LeftOperand leftOperand() const
Returns the left-hand side dense matrix operand.
Definition: DMatDMatSubExpr.h:514
SubExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: DMatDMatSubExpr.h:115
#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
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DMatDMatSubExpr.h:403
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2379
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: DMatDMatSubExpr.h:549
size_t columns(const Matrix< MT, SO > &m)
Returns the current number of columns of the matrix.
Definition: Matrix.h:154
Header file for basic type definitions.
MT1::ResultType RT1
Result type of the left-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:95
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DMatDMatSubExpr.h:316
MT1::ConstIterator LeftIteratorType
ConstIterator type of the left-hand side dense matrix expression.
Definition: DMatDMatSubExpr.h:180
Base template for the SubTrait class.
Definition: SubTrait.h:141
LeftOperand lhs_
Left-hand side dense matrix of the subtraction expression.
Definition: DMatDMatSubExpr.h:577
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DMatDMatSubExpr.h:372
size_t columns() const
Returns the current number of columns of the matrix.
Definition: DMatDMatSubExpr.h:504
const ConstIterator operator--(int)
Post-decrement operator.
Definition: DMatDMatSubExpr.h:263
Header file for the SubExprTrait class template.
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
size_t rows(const Matrix< MT, SO > &m)
Returns the current number of rows of the matrix.
Definition: Matrix.h:138
#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
Compile time check whether the given type is an expression template.This type trait class tests wheth...
Definition: IsExpression.h:87
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DMatDMatSubExpr.h:204