35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECDVECSUBEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_DVECDVECSUBEXPR_H_ 93 template<
typename VT1
97 :
public VecVecSubExpr< DenseVector< DVecDVecSubExpr<VT1,VT2,TF>, TF > >
136 template<
typename VT >
139 enum :
bool { value = useAssign };
152 template<
typename VT >
153 struct UseSMPAssign {
154 enum :
bool { value = ( !VT1::smpAssignable || !VT2::smpAssignable ) && useAssign };
294 return (*left_) - (*right_);
303 inline auto load() const noexcept {
304 return left_.load() - right_.load();
315 return left_ == rhs.
left_;
326 return left_ != rhs.
left_;
337 return left_ < rhs.
left_;
348 return left_ > rhs.
left_;
359 return left_ <= rhs.
left_;
370 return left_ >= rhs.
left_;
381 return left_ - rhs.
left_;
431 enum :
bool { simdEnabled = VT1::simdEnabled && VT2::simdEnabled &&
435 enum :
bool { smpAssignable = VT1::smpAssignable && VT2::smpAssignable };
477 if( index >=
lhs_.size() ) {
480 return (*
this)[index];
493 return lhs_.load( index ) -
rhs_.load( index );
522 inline size_t size() const noexcept {
553 template<
typename T >
554 inline bool canAlias(
const T* alias )
const noexcept {
566 template<
typename T >
567 inline bool isAliased(
const T* alias )
const noexcept {
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 >
678 template<
typename VT >
686 addAssign( ~lhs, rhs.
lhs_ );
687 subAssign( ~lhs, rhs.
rhs_ );
710 template<
typename VT >
718 subAssign( ~lhs, rhs.
lhs_ );
719 addAssign( ~lhs, rhs.
rhs_ );
742 template<
typename VT >
755 multAssign( ~lhs, tmp );
778 template<
typename VT >
791 divAssign( ~lhs, tmp );
814 template<
typename VT >
847 template<
typename VT >
879 template<
typename VT >
911 template<
typename VT >
943 template<
typename VT >
979 template<
typename VT >
1046 template<
typename VT1
1049 inline decltype(
auto)
1054 if( (~lhs).
size() != (~rhs).
size() ) {
1074 template<
typename VT1,
typename VT2,
bool TF >
1075 struct Size< DVecDVecSubExpr<VT1,VT2,TF> >
1076 :
public Maximum< Size<VT1>, Size<VT2> >
1092 template<
typename VT1,
typename VT2,
bool TF >
1093 struct IsAligned< DVecDVecSubExpr<VT1,VT2,TF> >
1094 :
public BoolConstant< And< IsAligned<VT1>, IsAligned<VT2> >::value >
1110 template<
typename VT1,
typename VT2,
bool TF >
1111 struct IsPadded< DVecDVecSubExpr<VT1,VT2,TF> >
1112 :
public BoolConstant< And< IsPadded<VT1>, IsPadded<VT2> >::value >
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:325
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecSubExpr.h:424
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Pointer difference type of the Blaze library.
Header file for auxiliary alias declarations.
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:72
Availability of a SIMD subtraction for the given data types.Depending on the available instruction se...
Definition: HasSIMDSub.h:171
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:70
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecSubExpr.h:577
If_< IsExpression< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:173
Header file for the subtraction trait.
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense vector operand.
Definition: DVecDVecSubExpr.h:532
BLAZE_ALWAYS_INLINE bool isSame(const Matrix< MT1, SO1 > &a, const Matrix< MT2, SO2 > &b) noexcept
Returns whether the two given matrices represent the same observable state.
Definition: Matrix.h:786
Header file for basic type definitions.
ElementType_< VT1 > ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:108
bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:347
const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecSubExpr.h:261
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecSubExpr.h:186
EnableIf_< IsDenseMatrix< MT1 > > 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:164
ElementType_< VT2 > ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:109
Header file for the serial shim.
Generic wrapper for a compile time constant integral value.The IntegralConstant class template repres...
Definition: IntegralConstant.h:71
ConstIterator begin() const
Returns an iterator to the first non-zero element of the dense vector.
Definition: DVecDVecSubExpr.h:502
ConstIterator end() const
Returns an iterator just past the last non-zero element of the dense vector.
Definition: DVecDVecSubExpr.h:512
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecSubExpr.h:392
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecSubExpr.h:193
SubTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecDVecSubExpr.h:162
EnableIf_< IsDenseVector< VT1 > > 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:193
Header file for the And class template.
Compile time value evaluation.The Maximum alias declaration selects the larger of the two given templ...
Definition: Maximum.h:73
Header file for the DenseVector base class.
ValueType value_type
Type of the underlying elements.
Definition: DVecDVecSubExpr.h:194
ResultType_< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:102
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DVecDVecSubExpr.h:237
auto load() const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecSubExpr.h:303
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:314
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:343
EnableIf_< IsDenseMatrix< MT1 > > 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:133
ReturnType_< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:104
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecSubExpr.h:163
typename IfTrue< Condition, T1, T2 >::Type IfTrue_
Auxiliary alias declaration for the IfTrue class template.The IfTrue_ alias declaration provides a co...
Definition: If.h:109
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:363
ElementType * PointerType
Pointer return type.
Definition: DVecDVecSubExpr.h:188
CompositeType_< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:106
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DVecDVecSubExpr.h:416
Compile time check for the alignment of data types.This type trait tests whether the given data type ...
Definition: IsAligned.h:87
typename SubExprTrait< T1, T2 >::Type SubExprTrait_
Auxiliary alias declaration for the SubExprTrait class template.The SubExprTrait_ alias declaration p...
Definition: SubExprTrait.h:112
Header file for the Maximum class template.
bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:369
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:72
ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DVecDVecSubExpr.h:224
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
Header file for the IsTemporary type trait class.
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecSubExpr.h:380
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
Header file for the If class template.
ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecSubExpr.h:271
Compile time check for data types with padding.This type trait tests whether the given data type empl...
Definition: IsPadded.h:76
EnableIf_< IsDenseMatrix< MT1 > > 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:102
Iterator over the elements of the dense vector.
Definition: DVecDVecSubExpr.h:182
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: DVecDVecSubExpr.h:542
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.This macro encapsulates the default way of Bl...
Definition: Exception.h:331
ConstIterator_< VT1 > LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:200
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DVecDVecSubExpr.h:293
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3087
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecSubExpr.h:554
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
Header file for all SIMD functionality.
ElementType_< ResultType > ElementType
Resulting element type.
Definition: DVecDVecSubExpr.h:164
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
SubExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecSubExpr.h:122
ElementType & ReferenceType
Reference return type.
Definition: DVecDVecSubExpr.h:189
PointerType pointer
Pointer return type.
Definition: DVecDVecSubExpr.h:195
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecDVecSubExpr.h:167
Header file for the IsAligned type trait.
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:358
Constraint on the data type.
Constraint on the data type.
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecDVecSubExpr.h:476
Header file for the exception macros of the math module.
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecSubExpr.h:423
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DVecDVecSubExpr.h:404
Header file for the VecVecSubExpr base class.
Constraint on the data type.
Header file for all forward declarations for expression class templates.
Header file for the EnableIf class template.
Header file for the IsPadded type trait.
ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecSubExpr.h:212
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecDVecSubExpr.h:522
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecSubExpr.h:567
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecSubExpr.h:187
Header file for run time assertion macros.
ConstIterator_< VT2 > RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:203
typename If< T1, T2, T3 >::Type If_
Auxiliary alias declaration for the If class template.The If_ alias declaration provides a convenient...
Definition: If.h:154
EnableIf_< IsDenseVector< VT1 > > smpDivAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP division assignment of a vector to a dense vector.
Definition: DenseVector.h:222
DVecDVecSubExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecDVecSubExpr class.
Definition: DVecDVecSubExpr.h:449
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecDVecSubExpr.h:249
SIMD characteristics of data types.The SIMDTrait class template provides the SIMD characteristics of ...
Definition: SIMDTrait.h:296
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
Header file for the HasSIMDSub type trait.
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:819
#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:81
BLAZE_ALWAYS_INLINE auto load(size_t index) const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecSubExpr.h:490
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:224
RightOperand rhs_
Right-hand side dense vector of the subtraction expression.
Definition: DVecDVecSubExpr.h:596
ReferenceType reference
Reference return type.
Definition: DVecDVecSubExpr.h:196
Constraint on the data type.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3082
typename T::ConstIterator ConstIterator_
Alias declaration for nested ConstIterator type definitions.The ConstIterator_ alias declaration prov...
Definition: Aliases.h:103
#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:61
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecSubExpr.h:587
#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:108
Header file for the IsComputation type trait class.
IfTrue_< useAssign, const ResultType, const DVecDVecSubExpr &> CompositeType
Data type for composite expression templates.
Definition: DVecDVecSubExpr.h:170
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:66
typename SubTrait< T1, T2 >::Type SubTrait_
Auxiliary alias declaration for the SubTrait class template.The SubTrait_ alias declaration provides ...
Definition: SubTrait.h:250
Compile time evaluation of the size of a vector.The Size type trait evaluates the size of the given v...
Definition: Size.h:74
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecSubExpr.h:336
Header file for the IntegralConstant class template.
If_< IsExpression< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:176
ReturnType_< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:105
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
CompositeType_< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:107
Base class for all vector/vector subtraction expression templates.The VecVecSubExpr class serves as a...
Definition: VecVecSubExpr.h:66
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:283
Header file for the SubExprTrait class template.
Expression object for dense vector-dense vector subtractions.The DVecDVecSubExpr class represents the...
Definition: DVecDVecSubExpr.h:96
System settings for the inline keywords.
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:63
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
#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:95
Header file for the IsExpression type trait class.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecSubExpr.h:463
Header file for the function trace functionality.
ResultType_< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecSubExpr.h:103