35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECDVECSUBEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DVECDVECSUBEXPR_H_
93 template<
typename VT1
136 template<
typename VT >
139 enum { value = useAssign };
152 template<
typename VT >
153 struct UseSMPAssign {
154 enum { value = ( !VT1::smpAssignable || !VT2::smpAssignable ) && useAssign };
213 explicit inline ConstIterator( LeftIteratorType left, RightIteratorType right )
295 return (*left_) - (*right_);
304 inline IntrinsicType
load()
const {
305 return left_.load() - right_.load();
316 return left_ == rhs.
left_;
327 return left_ != rhs.
left_;
338 return left_ < rhs.
left_;
349 return left_ > rhs.
left_;
360 return left_ <= rhs.
left_;
371 return left_ >= rhs.
left_;
382 return left_ - rhs.
left_;
432 enum { vectorizable = VT1::vectorizable && VT2::vectorizable &&
437 enum { smpAssignable = VT1::smpAssignable && VT2::smpAssignable };
473 inline ReturnType
at(
size_t index )
const {
474 if( index >=
lhs_.size() ) {
477 return (*
this)[index];
491 const IntrinsicType xmm1(
lhs_.load( index ) );
492 const IntrinsicType xmm2(
rhs_.load( index ) );
553 template<
typename T >
566 template<
typename T >
568 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
578 return lhs_.isAligned() &&
rhs_.isAligned();
588 return lhs_.canSMPAssign() ||
rhs_.canSMPAssign() ||
589 (
size() > SMP_DVECDVECSUB_THRESHOLD );
613 template<
typename VT >
622 subAssign( ~lhs, rhs.
rhs_ );
625 assign ( ~lhs, rhs.
lhs_ );
626 subAssign( ~lhs, rhs.
rhs_ );
646 template<
typename VT >
658 const ResultType tmp(
serial( rhs ) );
678 template<
typename VT >
679 friend inline typename EnableIf< UseAssign<VT> >::Type
686 addAssign( ~lhs, rhs.lhs_ );
687 subAssign( ~lhs, rhs.rhs_ );
710 template<
typename VT >
711 friend inline typename EnableIf< UseAssign<VT> >::Type
718 subAssign( ~lhs, rhs.lhs_ );
719 addAssign( ~lhs, rhs.rhs_ );
742 template<
typename VT >
743 friend inline typename EnableIf< UseAssign<VT> >::Type
754 const ResultType tmp(
serial( rhs ) );
755 multAssign( ~lhs, tmp );
778 template<
typename VT >
779 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
786 if( !IsComputation<VT1>::value &&
isSame( ~lhs, rhs.lhs_ ) ) {
811 template<
typename VT >
812 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
823 const ResultType tmp( rhs );
843 template<
typename VT >
844 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
875 template<
typename VT >
876 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
907 template<
typename VT >
908 friend inline typename EnableIf< UseSMPAssign<VT> >::Type
919 const ResultType tmp( rhs );
974 template<
typename T1
977 inline const DVecDVecSubExpr<T1,T2,TF>
982 if( (~lhs).
size() != (~rhs).
size() ) {
1001 template<
typename VT1,
typename VT2,
bool TF >
1003 :
public Max< Size<VT1>, Size<VT2> >
1019 template<
typename VT1,
typename VT2,
bool TF >
1021 :
public IsTrue< And< IsAligned<VT1>, IsAligned<VT2> >::value >
1037 template<
typename VT1,
typename VT2,
bool TF >
1039 :
public IsTrue< And< IsPadded<VT1>, IsPadded<VT2> >::value >
1055 template<
typename VT1,
typename VT2,
bool TF,
bool AF >
1060 typedef typename SubExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
1061 ,
typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecDVecSubExpr.h:191
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecSubExpr.h:425
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exceptionThis macro encapsulates the default way of...
Definition: Exception.h:187
PointerType pointer
Pointer return type.
Definition: DVecDVecSubExpr.h:196
Pointer difference type of the Blaze library.
Header file for the Max class template.
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:195
Header file for the subtraction trait.
Header file for basic type definitions.
BLAZE_ALWAYS_INLINE IntrinsicType load(size_t index) const
Access to the intrinsic elements of the vector.
Definition: DVecDVecSubExpr.h:487
ReferenceType reference
Reference return type.
Definition: DVecDVecSubExpr.h:197
BLAZE_ALWAYS_INLINE size_t size(const Vector< VT, TF > &vector)
Returns the current size/dimension of the vector.
Definition: Vector.h:252
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:177
const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecSubExpr.h:262
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecSubExpr.h:460
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:207
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:174
BLAZE_ALWAYS_INLINE 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:647
Header file for the IsSame and IsStrictlySame type traits.
DVecDVecSubExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the DVecDVecSubExpr class.
Definition: DVecDVecSubExpr.h:446
VT1::ReturnType RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:104
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecSubExpr.h:393
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2588
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:259
VT2::ReturnType RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:105
Header file for the And class template.
Header file for the DenseVector base class.
VT1::ElementType ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:108
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.
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:577
Header file for the RequiresEvaluation type trait.
ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DVecDVecSubExpr.h:238
DVecDVecSubExpr< VT1, VT2, TF > This
Type of this DVecDVecSubExpr instance.
Definition: DVecDVecSubExpr.h:161
ElementType * PointerType
Pointer return type.
Definition: DVecDVecSubExpr.h:189
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:417
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:225
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:261
IntrinsicTrait< ElementType >::Type IntrinsicType
Resulting intrinsic element type.
Definition: DVecDVecSubExpr.h:165
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DVecDVecSubExpr.h:294
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:359
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:370
Header file for the IsTemporary type trait class.
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecSubExpr.h:194
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecSubExpr.h:381
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
#define BLAZE_ALWAYS_INLINE
Platform dependent setup of an enforced inline keyword.
Definition: Inline.h:85
VT1::CompositeType CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:106
ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecSubExpr.h:272
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2592
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecSubExpr.h:187
Iterator over the elements of the dense vector.
Definition: DVecDVecSubExpr.h:183
ResultType::ElementType ElementType
Resulting element type.
Definition: DVecDVecSubExpr.h:164
#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
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:326
DifferenceType difference_type
Difference between two iterators.
Definition: DVecDVecSubExpr.h:198
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
SelectType< useAssign, const ResultType, const DVecDVecSubExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: DVecDVecSubExpr.h:171
Header file for the IsAligned type trait.
const DenseIterator< Type, AF > operator-(const DenseIterator< Type, AF > &it, ptrdiff_t inc)
Subtraction between a DenseIterator and an integral value.
Definition: DenseIterator.h:642
Constraint on the data type.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecSubExpr.h:163
#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:109
Evaluation of the return type of a subtraction expression.Via this type trait it is possible to evalu...
Definition: SubExprTrait.h:104
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecSubExpr.h:424
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:2586
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DVecDVecSubExpr.h:405
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:512
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:502
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecSubExpr.h:188
Header file for the EnableIf class template.
Header file for the IsPadded type trait.
Header file for the serial shim.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecSubExpr.h:587
ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecSubExpr.h:213
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:337
VT1::ConstIterator LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:201
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
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2587
Intrinsic characteristics of data types.The IntrinsicTrait class template provides the intrinsic char...
Definition: IntrinsicTrait.h:1232
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
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: DVecDVecSubExpr.h:168
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:190
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecSubExpr.h:567
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecDVecSubExpr.h:250
SubTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: DVecDVecSubExpr.h:162
VT2::ConstIterator RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:204
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:315
IntrinsicType load() const
Access to the intrinsic elements of the vector.
Definition: DVecDVecSubExpr.h:304
RightOperand rhs_
Right-hand side dense vector of the subtraction expression.
Definition: DVecDVecSubExpr.h:596
SubExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecSubExpr.h:122
Header file for all intrinsic functionality.
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecDVecSubExpr.h:473
Constraint on the data type.
#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:107
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecSubExpr.h:554
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECSUBEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecSubExpr.h:165
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
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
LeftOperand leftOperand() const
Returns the left-hand side dense vector operand.
Definition: DVecDVecSubExpr.h:532
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:118
#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.
VT2::ResultType RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:103
Header file for the SubvectorExprTrait class template.
Base template for the SubTrait class.
Definition: SubTrait.h:138
VT1::ResultType RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:102
Header file for exception macros.
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: DVecDVecSubExpr.h:542
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:595
const ConstIterator operator--(int)
Post-decrement operator.
Definition: DVecDVecSubExpr.h:284
Header file for the SubExprTrait class template.
size_t size() const
Returns the current size/dimension of the vector.
Definition: DVecDVecSubExpr.h:522
Expression object for dense vector-dense vector subtractions.The DVecDVecSubExpr class represents the...
Definition: DVecDVecSubExpr.h:96
System settings for the inline keywords.
EnableIf< IsDenseVector< VT1 > >::Type smpMultAssign(Vector< 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:189
Header file for the Size type trait.
#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:81
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:348
#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.