35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_
82 template<
typename VT1
85 class SVecDVecMultExpr :
public SparseVector< SVecDVecMultExpr<VT1,VT2,TF>, TF >
86 ,
private VecVecMultExpr
125 template<
typename VT >
128 enum { value = useAssign };
343 return lhs_.nonZeros();
373 template<
typename T >
375 return (
lhs_.canAlias( alias ) ) || (
rhs_.canAlias( alias ) );
385 template<
typename T >
387 return (
lhs_.isAliased( alias ) ) || (
rhs_.isAliased( alias ) );
411 template<
typename VT >
428 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
429 (~lhs)[element->index()] = element->value() * y[element->index()];
448 template<
typename VT >
465 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
466 (~lhs).append( element->index(), element->value() * y[element->index()] );
485 template<
typename VT >
486 friend inline typename EnableIf< UseAssign<VT> >::Type
502 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
503 (~lhs)[element->index()] += element->value() * y[element->index()];
526 template<
typename VT >
527 friend inline typename EnableIf< UseAssign<VT> >::Type
543 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
544 (~lhs)[element->index()] -= element->value() * y[element->index()];
567 template<
typename VT >
568 friend inline typename EnableIf< UseAssign<VT> >::Type
584 const ConstIterator
end( x.end() );
585 ConstIterator
begin( x.begin() );
590 for( ; i<index; ++i )
596 for( ; i<rhs.size(); ++i )
653 template<
typename T1
656 inline const SVecDVecMultExpr<T1,T2,TF>
661 if( (~lhs).
size() != (~rhs).
size() )
662 throw std::invalid_argument(
"Vector sizes do not match" );
679 template<
typename VT1,
typename VT2,
bool TF >
684 typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1>::Type
685 ,
typename SubvectorExprTrait<const VT2>::Type >::Type Type;
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: SVecDVecMultExpr.h:170
Pointer difference type of the Blaze library.
ValueType & ReferenceType
Reference return type.
Definition: SVecDVecMultExpr.h:169
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecDVecMultExpr.h:342
void reset(DynamicMatrix< Type, SO > &m)
Resetting the given dense matrix.
Definition: DynamicMatrix.h:4512
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:352
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:3703
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:312
Header file for the SparseVector base class.
RightOperand vec_
Right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:276
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:196
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:257
size_t index() const
Access to the current index of the sparse element.
Definition: SVecDVecMultExpr.h:235
VT1::TransposeType TT1
Transpose type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:97
IteratorCategory iterator_category
The iterator category.
Definition: SVecDVecMultExpr.h:173
MultExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecMultExpr.h:111
RightOperand rhs_
Right-hand side dense vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:394
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2375
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:248
VT2::CompositeType CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:96
Header file for the Computation base class.
ValueType value_type
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:174
SVecDVecMultExpr< VT1, VT2, TF > This
Type of this SVecDVecMultExpr instance.
Definition: SVecDVecMultExpr.h:135
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecMultExpr.h:386
size_t size() const
Returns the current size/dimension of the vector.
Definition: SVecDVecMultExpr.h:332
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:150
RemoveReference< LeftOperand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:164
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecMultExpr.h:137
VT1::CompositeType CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:95
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:301
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:138
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:2379
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecMultExpr.h:374
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:179
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:147
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:393
Constraint on the data type.
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2372
Constraint on the data type.
Header file for the VecVecMultExpr base class.
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:269
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:92
Iterator over the elements of the sparse vector-dense vector multiplication expression.
Definition: SVecDVecMultExpr.h:156
Header file for the EnableIf class template.
VT2::ReturnType RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:94
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: SVecDVecMultExpr.h:362
SVecDVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the SVecDVecMultExpr class.
Definition: SVecDVecMultExpr.h:287
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecDVecMultExpr.h:225
ValueType * PointerType
Pointer return type.
Definition: SVecDVecMultExpr.h:168
DifferenceType difference_type
Difference between two iterators.
Definition: SVecDVecMultExpr.h:177
VT1::ResultType RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:91
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SVecDVecMultExpr.h:136
SelectType< useAssign, const ResultType, const SVecDVecMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SVecDVecMultExpr.h:144
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2374
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:93
Header file for run time assertion macros.
Base template for the MultTrait class.
Definition: MultTrait.h:141
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:209
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:161
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
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:239
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecDVecMultExpr.h:268
Header file for the RemoveReference type trait.
ElementType ValueType
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:167
#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:275
Index-value-pair for sparse vectors and matrices.The ValueIndexPair class represents a single index-v...
Definition: ValueIndexPair.h:69
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecDVecMultExpr.h:141
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecDVecMultExpr.h:194
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:105
#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:2370
PointerType pointer
Pointer return type.
Definition: SVecDVecMultExpr.h:175
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:205
Header file for the SubvectorExprTrait class template.
ConstIterator(IteratorType it, RightOperand vec)
Constructor for the ConstIterator class.
Definition: SVecDVecMultExpr.h:183
VT2::TransposeType TT2
Transpose type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:98
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:322
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:246
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:166
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:215
ReferenceType reference
Reference return type.
Definition: SVecDVecMultExpr.h:176
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.
Expression object for sparse vector-dense vector multiplications.The SVecDVecMultExpr class represent...
Definition: Forward.h:108