35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECDVECSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DVECDVECSUBEXPR_H_
84 template<
typename VT1
127 template<
typename VT >
130 enum { value = useAssign };
143 template<
typename VT >
144 struct UseSMPAssign {
145 enum { value = ( !VT1::smpAssignable || !VT2::smpAssignable ) && useAssign };
286 return (*left_) - (*right_);
296 return left_.load() - right_.load();
307 return left_ == rhs.
left_;
318 return left_ != rhs.
left_;
329 return left_ < rhs.
left_;
340 return left_ > rhs.
left_;
351 return left_ <= rhs.
left_;
362 return left_ >= rhs.
left_;
373 return left_ - rhs.
left_;
423 enum { vectorizable = VT1::vectorizable && VT2::vectorizable &&
428 enum { smpAssignable = VT1::smpAssignable && VT2::smpAssignable };
529 template<
typename T >
542 template<
typename T >
544 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
554 return lhs_.isAligned() &&
rhs_.isAligned();
564 return lhs_.canSMPAssign() ||
rhs_.canSMPAssign() ||
589 template<
typename VT >
622 template<
typename VT >
654 template<
typename VT >
655 friend inline typename EnableIf< UseAssign<VT> >::Type
686 template<
typename VT >
687 friend inline typename EnableIf< UseAssign<VT> >::Type
718 template<
typename VT >
719 friend inline typename EnableIf< UseAssign<VT> >::Type
754 template<
typename VT >
755 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
762 if( !IsComputation<VT1>::value &&
isSame( ~lhs, rhs.lhs_ ) ) {
787 template<
typename VT >
788 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
819 template<
typename VT >
820 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
851 template<
typename VT >
852 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
883 template<
typename VT >
884 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
949 template<
typename T1
952 inline const DVecDVecSubExpr<T1,T2,TF>
957 if( (~lhs).
size() != (~rhs).
size() )
958 throw std::invalid_argument(
"Vector sizes do not match" );
975 template<
typename VT1,
typename VT2,
bool TF,
bool AF >
980 typedef typename SubExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
981 ,
typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecDVecSubExpr.h:182
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecSubExpr.h:416
PointerType pointer
Pointer return type.
Definition: DVecDVecSubExpr.h:187
Pointer difference type of the Blaze library.
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:89
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
ValueType value_type
Type of the underlying elements.
Definition: DVecDVecSubExpr.h:186
Header file for the subtraction trait.
ReferenceType reference
Reference return type.
Definition: DVecDVecSubExpr.h:188
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.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:152
const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecSubExpr.h:253
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecSubExpr.h:451
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:199
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:165
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
Header file for the IsSame and IsStrictlySame type traits.
DVecDVecSubExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the DVecDVecSubExpr class.
Definition: DVecDVecSubExpr.h:437
VT1::ReturnType RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:95
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecSubExpr.h:384
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2408
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:251
VT2::ReturnType RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:96
Header file for the DenseVector base class.
VT1::ElementType ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:99
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.
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
bool isAligned() const
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecSubExpr.h:553
Header file for the RequiresEvaluation type trait.
ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DVecDVecSubExpr.h:229
bool isSame(const Matrix< MT1, SO1 > &a, const Matrix< MT2, SO2 > &b)
Returns whether the two given matrices represent the same observable state.
Definition: Matrix.h:409
DVecDVecSubExpr< VT1, VT2, TF > This
Type of this DVecDVecSubExpr instance.
Definition: DVecDVecSubExpr.h:152
ElementType * PointerType
Pointer return type.
Definition: DVecDVecSubExpr.h:180
Constraint on the data type.
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DVecDVecSubExpr.h:408
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
ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DVecDVecSubExpr.h:216
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:253
IntrinsicTrait< ElementType >::Type IntrinsicType
Resulting intrinsic element type.
Definition: DVecDVecSubExpr.h:156
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DVecDVecSubExpr.h:285
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:350
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
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:361
Header file for the IsTemporary type trait class.
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecSubExpr.h:185
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecSubExpr.h:372
VT1::CompositeType CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:97
ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecSubExpr.h:263
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2412
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecSubExpr.h:178
Iterator over the elements of the dense vector.
Definition: DVecDVecSubExpr.h:174
ResultType::ElementType ElementType
Resulting element type.
Definition: DVecDVecSubExpr.h:155
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:317
DifferenceType difference_type
Difference between two iterators.
Definition: DVecDVecSubExpr.h:189
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
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
const size_t SMP_DVECDVECSUB_THRESHOLD
SMP dense vector/dense vector subtraction threshold.This threshold specifies when a dense vector/dens...
Definition: Thresholds.h:253
SelectType< useAssign, const ResultType, const DVecDVecSubExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: DVecDVecSubExpr.h:162
Constraint on the data type.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecSubExpr.h:154
#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
Constraint on the data type.
VT2::ElementType ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:100
Evaluation of the return type of a subtraction expression.Via this type trait it is possible to evalu...
Definition: SubExprTrait.h:103
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecSubExpr.h:415
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2406
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DVecDVecSubExpr.h:396
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
Header file for the VecVecSubExpr base class.
Header file for the SelectType class template.
ConstIterator end() const
Returns an iterator just past the last non-zero element of the dense vector.
Definition: DVecDVecSubExpr.h:488
Header file for all forward declarations for expression class templates.
ConstIterator begin() const
Returns an iterator to the first non-zero element of the dense vector.
Definition: DVecDVecSubExpr.h:478
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecSubExpr.h:179
Header file for the EnableIf class template.
Header file for the serial shim.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecSubExpr.h:563
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(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecSubExpr.h:204
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:328
VT1::ConstIterator LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:192
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2407
Intrinsic characteristics of data types.The IntrinsicTrait class template provides the intrinsic char...
Definition: IntrinsicTrait.h:748
Header file for run time assertion macros.
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: DVecDVecSubExpr.h:159
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
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
ElementType & ReferenceType
Reference return type.
Definition: DVecDVecSubExpr.h:181
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecSubExpr.h:543
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecDVecSubExpr.h:241
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
SubTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: DVecDVecSubExpr.h:153
VT2::ConstIterator RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:195
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:306
IntrinsicType load() const
Access to the intrinsic elements of the vector.
Definition: DVecDVecSubExpr.h:295
RightOperand rhs_
Right-hand side dense vector of the subtraction expression.
Definition: DVecDVecSubExpr.h:572
SubExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecSubExpr.h:113
Header file for all intrinsic functionality.
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional vector type...
Definition: DenseVector.h:79
VT2::CompositeType CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:98
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecSubExpr.h:530
Header file for the IsComputation type trait class.
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 vector operand.
Definition: DVecDVecSubExpr.h:508
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
VT2::ResultType RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:94
Header file for basic type definitions.
IntrinsicType load(size_t index) const
Access to the intrinsic elements of the vector.
Definition: DVecDVecSubExpr.h:463
Header file for the SubvectorExprTrait class template.
Base template for the SubTrait class.
Definition: SubTrait.h:141
VT1::ResultType RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:93
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: DVecDVecSubExpr.h:518
Base class for all vector/vector subtraction expression templates.The VecVecSubExpr class serves as a...
Definition: VecVecSubExpr.h:65
LeftOperand lhs_
Left-hand side dense vector of the subtraction expression.
Definition: DVecDVecSubExpr.h:571
const ConstIterator operator--(int)
Post-decrement operator.
Definition: DVecDVecSubExpr.h:275
Header file for the SubExprTrait class template.
size_t size() const
Returns the current size/dimension of the vector.
Definition: DVecDVecSubExpr.h:498
Expression object for dense vector-dense vector subtractions.The DVecDVecSubExpr class represents the...
Definition: DVecDVecSubExpr.h:87
#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
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:339
#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.