35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECSVECSUBEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_DVECSVECSUBEXPR_H_ 86 template<
typename VT1
90 :
public VecVecSubExpr< DenseVector< DVecSVecSubExpr<VT1,VT2,TF>, TF > >
112 static constexpr
bool returnExpr = !IsTemporary_v<RN1> && !IsTemporary_v<RN2>;
125 template<
typename VT >
126 static constexpr
bool UseSMPAssign_v = ( !VT1::smpAssignable || !VT2::smpAssignable );
193 if( index >=
lhs_.size() ) {
196 return (*
this)[index];
205 inline size_t size() const noexcept {
236 template<
typename T >
237 inline bool canAlias(
const T* alias )
const noexcept {
238 return ( IsExpression_v<VT1> &&
lhs_.canAlias( alias ) ) ||
239 (
rhs_.canAlias( alias ) );
249 template<
typename T >
250 inline bool isAliased(
const T* alias )
const noexcept {
251 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
273 template<
typename VT >
280 if( !IsComputation_v<VT1> &&
isSame( ~lhs, rhs.
lhs_ ) ) {
281 subAssign( ~lhs, rhs.
rhs_ );
284 assign ( ~lhs, rhs.
lhs_ );
285 subAssign( ~lhs, rhs.
rhs_ );
303 template<
typename VT >
332 template<
typename VT >
333 friend inline void addAssign( DenseVector<VT,TF>& lhs,
const DVecSVecSubExpr& rhs )
339 addAssign( ~lhs, rhs.lhs_ );
340 subAssign( ~lhs, rhs.rhs_ );
361 template<
typename VT >
362 friend inline void subAssign( DenseVector<VT,TF>& lhs,
const DVecSVecSubExpr& rhs )
368 subAssign( ~lhs, rhs.lhs_ );
369 addAssign( ~lhs, rhs.rhs_ );
390 template<
typename VT >
391 friend inline void multAssign( DenseVector<VT,TF>& lhs,
const DVecSVecSubExpr& rhs )
402 multAssign( ~lhs, tmp );
423 template<
typename VT >
424 friend inline void divAssign( DenseVector<VT,TF>& lhs,
const DVecSVecSubExpr& rhs )
435 divAssign( ~lhs, tmp );
458 template<
typename VT >
460 -> EnableIf_t< UseSMPAssign_v<VT> >
466 if( !IsComputation_v<VT1> &&
isSame( ~lhs, rhs.lhs_ ) ) {
491 template<
typename VT >
493 -> EnableIf_t< UseSMPAssign_v<VT> >
523 template<
typename VT >
525 -> EnableIf_t< UseSMPAssign_v<VT> >
556 template<
typename VT >
558 -> EnableIf_t< UseSMPAssign_v<VT> >
589 template<
typename VT >
591 -> EnableIf_t< UseSMPAssign_v<VT> >
625 template<
typename VT >
627 -> EnableIf_t< UseSMPAssign_v<VT> >
681 template<
typename VT1
684 , DisableIf_t< IsZero_v<VT2> &&
685 IsSame_v< ElementType_t<VT1>, ElementType_t<VT2> > >* =
nullptr >
686 inline const DVecSVecSubExpr<VT1,VT2,TF>
687 dvecsvecsub(
const DenseVector<VT1,TF>& lhs,
const SparseVector<VT2,TF>& rhs )
693 return DVecSVecSubExpr<VT1,VT2,TF>( ~lhs, ~rhs );
712 template<
typename VT1
715 , EnableIf_t< IsZero_v<VT2> &&
716 IsSame_v< ElementType_t<VT1>, ElementType_t<VT2> > >* =
nullptr >
718 dvecsvecsub(
const DenseVector<VT1,TF>& lhs,
const SparseVector<VT2,TF>& rhs )
758 template<
typename VT1
761 inline decltype(
auto)
766 if( (~lhs).
size() != (~rhs).
size() ) {
770 return dvecsvecsub( ~lhs, ~rhs );
796 template<
typename VT1
800 inline decltype(
auto)
801 operator+( const DVecSVecSubExpr<VT1,VT2,TF>& lhs, const DenseVector<VT3,TF>& rhs )
805 return ( lhs.leftOperand() + (~rhs) ) - lhs.rightOperand();
824 template<
typename VT1
828 inline decltype(
auto)
829 operator-( const DVecSVecSubExpr<VT1,VT2,TF>& lhs, const DenseVector<VT3,TF>& rhs )
833 return ( lhs.leftOperand() - (~rhs) ) - lhs.rightOperand();
#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
Header file for auxiliary alias declarations.
TransposeType_t< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: DVecSVecSubExpr.h:135
typename SubTrait< T1, T2 >::Type SubTrait_t
Auxiliary alias declaration for the SubTrait class template.The SubTrait_t alias declaration provides...
Definition: SubTrait.h:238
static constexpr bool returnExpr
Compilation switch for the selection of the subscript operator return type.
Definition: DVecSVecSubExpr.h:112
Header file for the subtraction trait.
const If_t< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: DVecSVecSubExpr.h:139
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.
typename If< Condition, T1, T2 >::Type If_t
Auxiliary alias template for the If class template.The If_t alias template provides a convenient shor...
Definition: If.h:109
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.
CompositeType_t< VT1 > CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:99
Header file for the IsSame and IsStrictlySame type traits.
RightOperand rhs_
Right-hand side sparse vector of the subtraction expression.
Definition: DVecSVecSubExpr.h:258
Header file for the DenseVector base class.
Header file for the MAYBE_UNUSED function template.
Header file for the Computation base class.
typename T::ReturnType ReturnType_t
Alias declaration for nested ReturnType type definitions.The ReturnType_t alias declaration provides ...
Definition: Aliases.h:410
ReturnType_t< VT2 > RN2
Return type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:98
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
TransposeType_t< VT2 > TT2
Transpose type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:102
Expression object for dense vector-sparse vector subtractions.The DVecSVecSubExpr class represents th...
Definition: DVecSVecSubExpr.h:89
Header file for the DisableIf class template.
Header file for the IsTemporary type trait class.
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: DVecSVecSubExpr.h:237
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
CompositeType_t< VT2 > CT2
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:100
Header file for the If class template.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecSVecSubExpr.h:179
#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
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:76
constexpr void MAYBE_UNUSED(const Args &...)
Suppression of unused parameter warnings.
Definition: MaybeUnused.h:81
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional vector type,...
Definition: SparseVector.h:61
Constraint on the data type.
Constraint on the data type.
ResultType_t< VT2 > RT2
Result type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:96
Header file for the exception macros of the math module.
If_t< IsExpression_v< VT1 >, const VT1, const VT1 & > LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:145
Header file for the VecVecSubExpr base class.
ElementType_t< ResultType > ElementType
Resulting element type.
Definition: DVecSVecSubExpr.h:136
Constraint on the data type.
Constraint on the data type.
Header file for the EnableIf class template.
const ResultType CompositeType
Data type for composite expression templates.
Definition: DVecSVecSubExpr.h:142
LeftOperand leftOperand() const noexcept
Returns the left-hand side dense vector operand.
Definition: DVecSVecSubExpr.h:215
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.
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: DVecSVecSubExpr.h:250
typename T::CompositeType CompositeType_t
Alias declaration for nested CompositeType type definitions.The CompositeType_t alias declaration pro...
Definition: Aliases.h:90
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
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecSVecSubExpr.h:192
Header file for the IsZero type trait.
#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 all forward declarations for expression class templates.
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
TransposeType_t< VT1 > TT1
Transpose type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:101
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
Constraint on the data type.
LeftOperand lhs_
Left-hand side dense vector of the subtraction expression.
Definition: DVecSVecSubExpr.h:257
#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
DVecSVecSubExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the DVecSVecSubExpr class.
Definition: DVecSVecSubExpr.h:165
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: DVecSVecSubExpr.h:205
decltype(std::declval< RN1 >() - std::declval< RN2 >()) ExprReturnType
Expression return type for the subscript operator.
Definition: DVecSVecSubExpr.h:115
#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: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:146
SubTrait_t< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: DVecSVecSubExpr.h:134
static constexpr bool simdEnabled
Compilation switch for the expression template evaluation strategy.
Definition: DVecSVecSubExpr.h:153
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse vector operand.
Definition: DVecSVecSubExpr.h:225
Base class for all vector/vector subtraction expression templates.The VecVecSubExpr class serves as a...
Definition: VecVecSubExpr.h:66
#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
#define BLAZE_INTERNAL_ASSERT(expr, msg)
Run time assertion macro for internal checks.In case of an invalid run time expression,...
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
If_t< IsExpression_v< VT2 >, const VT2, const VT2 & > RightOperand
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecSubExpr.h:148
Header file for the IsExpression type trait class.
static constexpr bool smpAssignable
Compilation switch for the expression template assignment strategy.
Definition: DVecSVecSubExpr.h:156
Header file for the function trace functionality.
ResultType_t< VT1 > RT1
Result type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:95
ReturnType_t< VT1 > RN1
Return type of the left-hand side dense vector expression.
Definition: DVecSVecSubExpr.h:97