35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_ 88 template<
typename VT1
91 class SVecDVecMultExpr
92 :
public VecVecMultExpr< SparseVector< SVecDVecMultExpr<VT1,VT2,TF>, TF > >
129 template<
typename VT >
132 enum :
bool { value = useAssign };
159 enum :
bool { smpAssignable =
false };
215 return Element( it_->value() * vec_[it_->index()], it_->index() );
235 return it_->value() * vec_[it_->index()];
256 return it_ == rhs.
it_;
267 return it_ != rhs.
it_;
278 return it_ - rhs.
it_;
324 if( index >=
lhs_.size() ) {
327 return (*
this)[index];
356 inline size_t size() const noexcept {
367 return lhs_.nonZeros();
433 template<
typename T >
434 inline bool canAlias(
const T* alias )
const noexcept {
435 return (
lhs_.canAlias( alias ) ) || (
rhs_.canAlias( alias ) );
445 template<
typename T >
446 inline bool isAliased(
const T* alias )
const noexcept {
447 return (
lhs_.isAliased( alias ) ) || (
rhs_.isAliased( alias ) );
471 template<
typename VT >
488 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
489 (~lhs)[element->index()] = element->value() * y[element->index()];
508 template<
typename VT >
525 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
526 (~lhs).append( element->index(), element->value() * y[element->index()] );
545 template<
typename VT >
562 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
563 (~lhs)[element->index()] += element->value() * y[element->index()];
586 template<
typename VT >
603 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
604 (~lhs)[element->index()] -= element->value() * y[element->index()];
627 template<
typename VT >
644 const ConstIterator
end( x.end() );
645 ConstIterator
begin( x.begin() );
650 for( ; i<index; ++i )
656 for( ; i<rhs.size(); ++i )
714 template<
typename VT1
717 inline decltype(
auto)
722 if( (~lhs).
size() != (~rhs).
size() ) {
742 template<
typename VT1,
typename VT2,
bool TF >
743 struct Size< SVecDVecMultExpr<VT1,VT2,TF> >
744 :
public Maximum< Size<VT1>, Size<VT2> >
#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.
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecDVecMultExpr.h:277
RightOperand rightOperand() const noexcept
Returns the right-hand side dense vector operand.
Definition: SVecDVecMultExpr.h:422
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:266
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:70
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecMultExpr.h:434
Header file for basic type definitions.
Header file for the SparseVector base class.
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: SVecDVecMultExpr.h:377
PointerType pointer
Pointer return type.
Definition: SVecDVecMultExpr.h:184
MultExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecMultExpr.h:115
Header file for the serial shim.
ElementType ValueType
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:176
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:560
RightOperand rhs_
Right-hand side dense vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:454
ValueType & ReferenceType
Reference return type.
Definition: SVecDVecMultExpr.h:178
Compile time value evaluation.The Maximum alias declaration selects the larger of the two given templ...
Definition: Maximum.h:73
ResultType_< VT2 > RT2
Result type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:98
typename MultTrait< T1, T2 >::Type MultTrait_
Auxiliary alias declaration for the MultTrait class template.The MultTrait_ alias declaration provide...
Definition: MultTrait.h:250
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:343
size_t index() const
Access to the current index of the sparse element.
Definition: SVecDVecMultExpr.h:244
ElementType_< ResultType > ElementType
Resulting element type.
Definition: SVecDVecMultExpr.h:142
CompositeType_< VT2 > CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:102
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:214
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
ConstIterator(IteratorType it, RightOperand vec)
Constructor for the ConstIterator class.
Definition: SVecDVecMultExpr.h:192
MultTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: SVecDVecMultExpr.h:140
Header file for the Maximum class template.
typename MultExprTrait< T1, T2 >::Type MultExprTrait_
Auxiliary alias declaration for the MultExprTrait class template.The MultExprTrait_ alias declaration...
Definition: MultExprTrait.h:112
Header file for the MultExprTrait class template.
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:72
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:224
Header file for the ValueIndexPair class.
If_< IsExpression< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:154
Header file for the IsTemporary type trait class.
Header file for the multiplication trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the If class template.
#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
IteratorType it_
Iterator over the elements of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:284
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:3087
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
ReturnType_< VT1 > RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:99
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
#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.
Header file for the exception macros of the math module.
SVecDVecMultExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the SVecDVecMultExpr class.
Definition: SVecDVecMultExpr.h:296
Header file for the VecVecMultExpr base class.
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecMultExpr.h:141
Constraint on the data type.
Header file for all forward declarations for expression class templates.
ValueType value_type
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:183
Constraint on the data type.
Iterator over the elements of the sparse vector-dense vector multiplication expression.
Definition: SVecDVecMultExpr.h:165
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecDVecMultExpr.h:203
Header file for the EnableIf class template.
LeftOperand lhs_
Left-hand side sparse vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:453
IteratorCategory iterator_category
The iterator category.
Definition: SVecDVecMultExpr.h:182
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecDVecMultExpr.h:175
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:346
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: SVecDVecMultExpr.h:356
Header file for run time assertion macros.
ConstIterator upperBound(size_t index) const
Returns an iterator to the first index greater then the given index.
Definition: SVecDVecMultExpr.h:401
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
Header file for the reset shim.
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:336
#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
ValueType * PointerType
Pointer return type.
Definition: SVecDVecMultExpr.h:177
IfTrue_< useAssign, const ResultType, const SVecDVecMultExpr &> CompositeType
Data type for composite expression templates.
Definition: SVecDVecMultExpr.h:148
If_< IsExpression< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:151
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecMultExpr.h:446
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
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse vector operand.
Definition: SVecDVecMultExpr.h:412
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:255
Header file for the RemoveReference type trait.
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:224
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
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecDVecMultExpr.h:234
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:73
ConstIterator lowerBound(size_t index) const
Returns an iterator to the first index not less then the given index.
Definition: SVecDVecMultExpr.h:389
ReferenceType reference
Reference return type.
Definition: SVecDVecMultExpr.h:185
Constraint on the data type.
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECVECMULTEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecVecMultExpr.h:108
Compile time evaluation of the size of a vector.The Size type trait evaluates the size of the given v...
Definition: Size.h:74
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: SVecDVecMultExpr.h:145
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SVecDVecMultExpr.h:323
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecDVecMultExpr.h:366
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecDVecMultExpr.h:310
CompositeType_< VT1 > CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:101
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
RightOperand vec_
Right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:285
ReturnType_< VT2 > RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:100
ResultType_< VT1 > RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:97
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
#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
Header file for the IsExpression type trait class.
ConstIterator_< RemoveReference_< LeftOperand > > IteratorType
Iterator type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:173
Header file for the function trace functionality.
Expression object for sparse vector-dense vector multiplications.The SVecDVecMultExpr class represent...
Definition: Forward.h:133