35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECDVECDIVEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_DVECDVECDIVEXPR_H_ 90 template<
typename VT1
94 :
public VecVecDivExpr< DenseVector< DVecDVecDivExpr<VT1,VT2,TF>, TF > >
116 static constexpr
bool returnExpr = ( !IsTemporary_v<RN1> && !IsTemporary_v<RN2> );
131 ( RequiresEvaluation_v<VT1> || RequiresEvaluation_v<VT2> || !
returnExpr );
134 template<
typename VT >
136 static constexpr
bool UseAssign_v =
useAssign;
148 template<
typename VT >
149 static constexpr
bool UseSMPAssign_v =
290 return (*
left_) / (*right_);
299 inline auto load() const noexcept {
428 ( VT1::simdEnabled && VT2::simdEnabled && HasSIMDDiv_v<ET1,ET2> );
473 if( index >=
lhs_.size() ) {
476 return (*
this)[index];
489 return lhs_.load( index ) /
rhs_.load( index );
518 inline size_t size() const noexcept {
549 template<
typename T >
550 inline bool canAlias(
const T* alias )
const noexcept {
551 return ( IsExpression_v<VT1> && ( RequiresEvaluation_v<VT1> ?
lhs_.isAliased( alias ) :
lhs_.canAlias( alias ) ) ) ||
552 ( IsExpression_v<VT2> && ( RequiresEvaluation_v<VT2> ?
rhs_.isAliased( alias ) :
rhs_.canAlias( alias ) ) );
562 template<
typename T >
563 inline bool isAliased(
const T* alias )
const noexcept {
564 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
574 return lhs_.isAligned() &&
rhs_.isAligned();
584 return lhs_.canSMPAssign() ||
rhs_.canSMPAssign() ||
585 (
size() > SMP_DVECDVECDIV_THRESHOLD );
609 template<
typename VT >
623 if( !IsComputation_v<VT1> &&
isSame( ~lhs, rhs.lhs_ ) ) {
624 divAssign( ~lhs, rhs.rhs_ );
626 else if( ( IsSame_v<VT,ResultType> || IsSame_v<ET,ET1> ) && !rhs.rhs_.isAliased( &(~lhs) ) ) {
627 assign ( ~lhs, rhs.lhs_ );
628 divAssign( ~lhs, rhs.rhs_ );
652 template<
typename VT >
684 template<
typename VT >
685 friend inline auto addAssign( DenseVector<VT,TF>& lhs,
const DVecDVecDivExpr& rhs )
686 -> EnableIf_t< UseAssign_v<VT> >
697 addAssign( ~lhs, tmp );
720 template<
typename VT >
721 friend inline auto subAssign( DenseVector<VT,TF>& lhs,
const DVecDVecDivExpr& rhs )
722 -> EnableIf_t< UseAssign_v<VT> >
733 subAssign( ~lhs, tmp );
756 template<
typename VT >
757 friend inline auto multAssign( DenseVector<VT,TF>& lhs,
const DVecDVecDivExpr& rhs )
758 -> EnableIf_t< UseAssign_v<VT> >
769 multAssign( ~lhs, tmp );
792 template<
typename VT >
793 friend inline auto divAssign( DenseVector<VT,TF>& lhs,
const DVecDVecDivExpr& rhs )
794 -> EnableIf_t< UseAssign_v<VT> >
805 divAssign( ~lhs, tmp );
828 template<
typename VT >
830 -> EnableIf_t< UseSMPAssign_v<VT> >
834 using ET = ElementType_t<VT>;
842 if( !IsComputation_v<VT1> &&
isSame( ~lhs, rhs.lhs_ ) ) {
845 else if( ( IsSame_v<VT,ResultType> || IsSame_v<ET,ET1> ) && !rhs.rhs_.isAliased( &(~lhs) ) ) {
871 template<
typename VT >
873 -> EnableIf_t< UseSMPAssign_v<VT> >
903 template<
typename VT >
905 -> EnableIf_t< UseSMPAssign_v<VT> >
939 template<
typename VT >
941 -> EnableIf_t< UseSMPAssign_v<VT> >
975 template<
typename VT >
977 -> EnableIf_t< UseSMPAssign_v<VT> >
1011 template<
typename VT >
1013 -> EnableIf_t< UseSMPAssign_v<VT> >
1079 template<
typename VT1
1082 inline decltype(
auto)
1087 if( (~lhs).
size() != (~rhs).
size() ) {
1107 template<
typename VT1,
typename VT2,
bool TF >
1108 struct IsAligned< DVecDVecDivExpr<VT1,VT2,TF> >
1109 :
public BoolConstant< IsAligned_v<VT1> && IsAligned_v<VT2> >
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DVecDVecDivExpr.h:427
#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.
bool operator>(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:343
Header file for auxiliary alias declarations.
ReturnType_t< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:102
Header file for the VecVecDivExpr base class.
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two iterators.
Definition: DVecDVecDivExpr.h:376
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:992
Header file for basic type definitions.
static constexpr bool useAssign
Compilation switch for the serial evaluation strategy of the division expression. ...
Definition: DVecDVecDivExpr.h:130
ResultType_t< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:100
ElementType & ReferenceType
Reference return type.
Definition: DVecDVecDivExpr.h:185
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias declaration for the If class template.The If_t alias declaration provides a convenien...
Definition: If.h:109
IteratorCategory iterator_category
The iterator category.
Definition: DVecDVecDivExpr.h:189
typename T::ResultType ResultType_t
Alias declaration for nested ResultType type definitions.The ResultType_t alias declaration provides ...
Definition: Aliases.h:390
Header file for the serial shim.
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:224
typename DivTrait< T1, T2 >::Type DivTrait_t
Auxiliary alias declaration for the DivTrait class template.The DivTrait_t alias declaration provides...
Definition: DivTrait.h:239
ReturnType_t< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:101
Header file for the IsSame and IsStrictlySame type traits.
static constexpr bool smpAssignable
Compilation flag for SMP assignments.
Definition: CompressedMatrix.h:3113
ConstIterator_t< VT1 > LeftIteratorType
ConstIterator type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:196
bool operator<(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:332
ConstIterator begin() const
Returns an iterator to the first non-zero element of the dense vector.
Definition: DVecDVecDivExpr.h:498
Iterator over the elements of the dense vector.
Definition: DVecDVecDivExpr.h:178
Header file for the DenseVector base class.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:310
Header file for the Computation base class.
RightOperand rhs_
Right-hand side dense vector of the division expression.
Definition: DVecDVecDivExpr.h:592
RightIteratorType right_
Iterator to the current right-hand side element.
Definition: DVecDVecDivExpr.h:420
Constraint on the data type.
If_t< IsExpression_v< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:172
Header file for the RequiresEvaluation type trait.
ReferenceType reference
Reference return type.
Definition: DVecDVecDivExpr.h:192
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
bool operator>=(const ConstIterator &rhs) const
Greater-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:365
typename T::ElementType ElementType_t
Alias declaration for nested ElementType type definitions.The ElementType_t alias declaration provide...
Definition: Aliases.h:170
auto smpDivAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs) -> EnableIf_t< IsDenseVector_v< VT1 > >
Default implementation of the SMP division assignment of a vector to a dense vector.
Definition: DenseVector.h:220
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: DVecDVecDivExpr.h:160
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecDVecDivExpr.h:459
std::random_access_iterator_tag IteratorCategory
The iterator category.
Definition: DVecDVecDivExpr.h:182
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecDVecDivExpr.h:518
CompositeType_t< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:103
Expression object for dense vector-dense vector divisions.The DVecDVecDivExpr class represents the co...
Definition: DVecDVecDivExpr.h:93
bool operator<=(const ConstIterator &rhs) const
Less-than comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:354
typename EnableIf< Condition, T >::Type EnableIf_t
Auxiliary type for the EnableIf class template.The EnableIf_t alias declaration provides a convenient...
Definition: EnableIf.h:138
ConstIterator & operator--()
Pre-decrement operator.
Definition: DVecDVecDivExpr.h:267
const ConstIterator operator++(int)
Post-increment operator.
Definition: DVecDVecDivExpr.h:257
Header file for the IsTemporary type trait class.
const ConstIterator operator--(int)
Post-decrement operator.
Definition: DVecDVecDivExpr.h:279
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
#define BLAZE_ALWAYS_INLINE
Platform dependent setup of an enforced inline keyword.
Definition: Inline.h:85
DivTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecDVecDivExpr.h:158
Header file for the If class template.
static constexpr size_t SIMDSIZE
The number of elements packed within a single SIMD element.
Definition: DVecDVecDivExpr.h:436
LeftIteratorType left_
Iterator to the current left-hand side element.
Definition: DVecDVecDivExpr.h:419
ElementType * PointerType
Pointer return type.
Definition: DVecDVecDivExpr.h:184
CompositeType_t< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:104
#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
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense vector operand.
Definition: DVecDVecDivExpr.h:528
Base class for all vector/vector division expression templates.The VecVecDivExpr class serves as a ta...
Definition: VecVecDivExpr.h:66
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecDVecDivExpr.h:159
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3086
friend const ConstIterator operator+(const ConstIterator &it, size_t inc)
Addition between a ConstIterator and an integral value.
Definition: DVecDVecDivExpr.h:388
Header file for all SIMD functionality.
PointerType pointer
Pointer return type.
Definition: DVecDVecDivExpr.h:191
ConstIterator_t< VT2 > RightIteratorType
ConstIterator type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:199
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
Header file for the IsAligned type trait.
ConstIterator & operator-=(size_t dec)
Subtraction assignment operator.
Definition: DVecDVecDivExpr.h:233
Constraint on the data type.
bool isAligned() const noexcept
Returns whether the operands of the expression are properly aligned in memory.
Definition: DVecDVecDivExpr.h:573
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecDVecDivExpr.h:563
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecDVecDivExpr.h:321
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecDVecDivExpr.h:163
Constraint on the data type.
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecDVecDivExpr.h:186
Header file for the exception macros of the math module.
Constraint on the data type.
Header file for all forward declarations for expression class templates.
Header file for the EnableIf class template.
auto load() const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecDivExpr.h:299
decltype(std::declval< RN1 >()/std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DVecDVecDivExpr.h:119
ElementType_t< VT2 > ET2
Element type of the right-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:106
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DVecDVecDivExpr.h:431
If_t< useAssign, const ResultType, const DVecDVecDivExpr &> CompositeType
Data type for composite expression templates.
Definition: DVecDVecDivExpr.h:166
ResultType_t< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:99
friend const ConstIterator operator-(const ConstIterator &it, size_t dec)
Subtraction between a ConstIterator and an integral value.
Definition: DVecDVecDivExpr.h:412
typename T::TransposeType TransposeType_t
Alias declaration for nested TransposeType type definitions.The TransposeType_t alias declaration pro...
Definition: Aliases.h:470
Header file for run time assertion macros.
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.The CompositeType_t alias declaration pro...
Definition: Aliases.h:90
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: DVecDVecDivExpr.h:116
ValueType value_type
Type of the underlying elements.
Definition: DVecDVecDivExpr.h:190
auto smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:131
Header file for the division trait.
friend const ConstIterator operator+(size_t inc, const ConstIterator &it)
Addition between an integral value and a ConstIterator.
Definition: DVecDVecDivExpr.h:400
If_t< IsExpression_v< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:169
ConstIterator & operator+=(size_t inc)
Addition assignment operator.
Definition: DVecDVecDivExpr.h:220
SIMD characteristics of data types.The SIMDTrait class template provides the SIMD characteristics of ...
Definition: SIMDTrait.h:295
#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
constexpr size_t size(const Matrix< MT, SO > &matrix) noexcept
Returns the total number of elements of the matrix.
Definition: Matrix.h:530
auto smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:100
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:808
#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
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecDVecDivExpr.h:245
IntegralConstant< bool, B > BoolConstant
Generic wrapper for a compile time constant boolean value.The BoolConstant class template represents ...
Definition: IntegralConstant.h:101
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecDVecDivExpr.h:472
BLAZE_ALWAYS_INLINE auto load(size_t index) const noexcept
Access to the SIMD elements of the vector.
Definition: DVecDVecDivExpr.h:486
typename T::ConstIterator ConstIterator_t
Alias declaration for nested ConstIterator type definitions.The ConstIterator_t alias declaration pro...
Definition: Aliases.h:110
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: DVecDVecDivExpr.h:583
ElementType_t< VT1 > ET1
Element type of the left-hand side dense vector expression.
Definition: DVecDVecDivExpr.h:105
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3081
#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
ConstIterator end() const
Returns an iterator just past the last non-zero element of the dense vector.
Definition: DVecDVecDivExpr.h:508
LeftOperand lhs_
Left-hand side dense vector of the division expression.
Definition: DVecDVecDivExpr.h:591
Header file for the HasSIMDDiv type trait.
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECDIVEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecDivExpr.h:104
Header file for the IsComputation type trait class.
auto smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs) -> EnableIf_t< IsDenseMatrix_v< MT1 > >
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:162
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:66
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:138
Header file for the IntegralConstant class template.
ConstIterator(LeftIteratorType left, RightIteratorType right)
Constructor for the ConstIterator class.
Definition: DVecDVecDivExpr.h:208
ElementType ValueType
Type of the underlying elements.
Definition: DVecDVecDivExpr.h:183
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: DVecDVecDivExpr.h:538
DVecDVecDivExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecDVecDivExpr class.
Definition: DVecDVecDivExpr.h:445
System settings for the inline keywords.
#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
auto smpMultAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs) -> EnableIf_t< IsDenseVector_v< VT1 > >
Default implementation of the SMP multiplication assignment of a vector to a dense vector...
Definition: DenseVector.h:191
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecDVecDivExpr.h:550
Header file for the IsExpression type trait class.
Header file for the function trace functionality.
ReturnType operator*() const
Direct access to the element at the current iterator position.
Definition: DVecDVecDivExpr.h:289