35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_
88 template<
typename VT1
91 class SVecDVecMultExpr :
public SparseVector< SVecDVecMultExpr<VT1,VT2,TF>, TF >
92 ,
private VecVecMultExpr
131 template<
typename VT >
134 enum { value = useAssign };
161 enum { smpAssignable = 0 };
354 return lhs_.nonZeros();
420 template<
typename T >
422 return (
lhs_.canAlias( alias ) ) || (
rhs_.canAlias( alias ) );
432 template<
typename T >
434 return (
lhs_.isAliased( alias ) ) || (
rhs_.isAliased( alias ) );
458 template<
typename VT >
475 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
476 (~lhs)[element->index()] = element->value() * y[element->index()];
495 template<
typename VT >
512 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
513 (~lhs).append( element->index(), element->value() * y[element->index()] );
532 template<
typename VT >
533 friend inline typename EnableIf< UseAssign<VT> >::Type
549 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
550 (~lhs)[element->index()] += element->value() * y[element->index()];
573 template<
typename VT >
574 friend inline typename EnableIf< UseAssign<VT> >::Type
590 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
591 (~lhs)[element->index()] -= element->value() * y[element->index()];
614 template<
typename VT >
615 friend inline typename EnableIf< UseAssign<VT> >::Type
631 const ConstIterator
end( x.end() );
632 ConstIterator
begin( x.begin() );
637 for( ; i<index; ++i )
643 for( ; i<rhs.size(); ++i )
701 template<
typename T1
704 inline const SVecDVecMultExpr<T1,T2,TF>
709 if( (~lhs).
size() != (~rhs).
size() )
710 throw std::invalid_argument(
"Vector sizes do not match" );
727 template<
typename VT1,
typename VT2,
bool TF >
729 :
public Max< Size<VT1>, Size<VT2> >::Type
745 template<
typename VT1,
typename VT2,
bool TF,
bool AF >
750 typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
751 ,
typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: SVecDVecMultExpr.h:181
Pointer difference type of the Blaze library.
Header file for the Max class template.
ValueType & ReferenceType
Reference return type.
Definition: SVecDVecMultExpr.h:180
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecDVecMultExpr.h:353
BLAZE_ALWAYS_INLINE void multAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the multiplication assignment of a matrix to a matrix.
Definition: Matrix.h:879
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
LeftOperand leftOperand() const
Returns the left-hand side sparse vector operand.
Definition: SVecDVecMultExpr.h:399
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: SVecDVecMultExpr.h:364
const DMatDMatMultExpr< T1, T2 > operator*(const DenseMatrix< T1, false > &lhs, const DenseMatrix< T2, false > &rhs)
Multiplication operator for the multiplication of two row-major dense matrices ( ).
Definition: DMatDMatMultExpr.h:4838
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:323
Header file for the SparseVector base class.
ConstIterator lowerBound(size_t index) const
Returns an iterator to the first index not less then the given index.
Definition: SVecDVecMultExpr.h:376
RightOperand vec_
Right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:287
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:205
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:268
size_t index() const
Access to the current index of the sparse element.
Definition: SVecDVecMultExpr.h:246
VT1::TransposeType TT1
Transpose type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:103
IteratorCategory iterator_category
The iterator category.
Definition: SVecDVecMultExpr.h:184
MultExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecMultExpr.h:117
RightOperand rhs_
Right-hand side dense vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:441
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2478
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:257
VT2::CompositeType CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:102
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:695
Header file for the Computation base class.
ValueType value_type
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:185
SVecDVecMultExpr< VT1, VT2, TF > This
Type of this SVecDVecMultExpr instance.
Definition: SVecDVecMultExpr.h:141
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecMultExpr.h:433
size_t size() const
Returns the current size/dimension of the vector.
Definition: SVecDVecMultExpr.h:343
Constraint on the data type.
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:156
RemoveReference< LeftOperand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:175
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecMultExpr.h:143
VT1::CompositeType CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:101
Header file for the MultExprTrait class template.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecDVecMultExpr.h:312
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:90
ResultType::ElementType ElementType
Resulting element type.
Definition: SVecDVecMultExpr.h:144
Header file for the ValueIndexPair class.
Compile time type selection.The SelectType class template selects one of the two given types T1 and T...
Definition: SelectType.h:59
Header file for the IsTemporary type trait class.
Header file for the multiplication trait.
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2482
BLAZE_ALWAYS_INLINE void assign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the assignment of a matrix to a matrix.
Definition: Matrix.h:635
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecMultExpr.h:421
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:153
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:79
LeftOperand lhs_
Left-hand side sparse vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:440
Constraint on the data type.
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2475
Constraint on the data type.
Header file for the VecVecMultExpr base class.
Constraint on the data type.
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
VT2::ResultType RT2
Result type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:98
Iterator over the elements of the sparse vector-dense vector multiplication expression.
Definition: SVecDVecMultExpr.h:167
Header file for the EnableIf class template.
VT2::ReturnType RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:100
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: SVecDVecMultExpr.h:409
Header file for the serial shim.
SVecDVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the SVecDVecMultExpr class.
Definition: SVecDVecMultExpr.h:298
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecDVecMultExpr.h:236
ValueType * PointerType
Pointer return type.
Definition: SVecDVecMultExpr.h:179
DifferenceType difference_type
Difference between two iterators.
Definition: SVecDVecMultExpr.h:188
VT1::ResultType RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:97
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SVecDVecMultExpr.h:142
SelectType< useAssign, const ResultType, const SVecDVecMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SVecDVecMultExpr.h:150
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2477
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
VT1::ReturnType RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:99
Header file for run time assertion macros.
Base template for the MultTrait class.
Definition: MultTrait.h:142
BLAZE_ALWAYS_INLINE void addAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the addition assignment of a matrix to a matrix.
Definition: Matrix.h:742
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:172
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
Header file for the reset shim.
ConstIterator upperBound(size_t index) const
Returns an iterator to the first index greater then the given index.
Definition: SVecDVecMultExpr.h:388
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecDVecMultExpr.h:279
BLAZE_ALWAYS_INLINE void reset(const NonNumericProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: NonNumericProxy.h:833
#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:118
Header file for the RemoveReference type trait.
ElementType ValueType
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:178
#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
IteratorType it_
Iterator over the elements of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:286
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:70
Constraint on the data type.
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecDVecMultExpr.h:147
#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:165
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecDVecMultExpr.h:205
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:108
#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:2473
PointerType pointer
Pointer return type.
Definition: SVecDVecMultExpr.h:186
Header file for basic type definitions.
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:216
Header file for the SubvectorExprTrait class template.
ConstIterator(IteratorType it, RightOperand vec)
Constructor for the ConstIterator class.
Definition: SVecDVecMultExpr.h:194
VT2::TransposeType TT2
Transpose type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:104
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:333
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:257
Header file for the Size type trait.
Evaluation of the resulting expression type of a multiplication.Via this type trait it is possible to...
Definition: MultExprTrait.h:137
#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:238
#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
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecDVecMultExpr.h:177
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:226
ReferenceType reference
Reference return type.
Definition: SVecDVecMultExpr.h:187
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
BLAZE_ALWAYS_INLINE void subAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the subtraction assignment of a matrix to matrix.
Definition: Matrix.h:849
Expression object for sparse vector-dense vector multiplications.The SVecDVecMultExpr class represent...
Definition: Forward.h:111