35 #ifndef _BLAZE_MATH_EXPRESSIONS_DVECSVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_DVECSVECMULTEXPR_H_
89 template<
typename VT1
132 template<
typename VT >
135 enum { value = useAssign };
162 enum { smpAssignable = 0 };
355 return rhs_.nonZeros();
421 template<
typename T >
423 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
433 template<
typename T >
435 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
459 template<
typename VT >
476 for( ConstIterator element=y.begin(); element!=y.end(); ++element )
477 (~lhs)[element->index()] = x[element->index()] * element->value();
496 template<
typename VT >
513 for( ConstIterator element=y.begin(); element!=y.end(); ++element )
514 (~lhs).append( element->index(), x[element->index()] * element->value() );
533 template<
typename VT >
534 friend inline typename EnableIf< UseAssign<VT> >::Type
543 CT1 x(
serial( rhs.lhs_ ) );
544 CT2 y(
serial( rhs.rhs_ ) );
550 for( ConstIterator element=y.begin(); element!=y.end(); ++element )
551 (~lhs)[element->index()] += x[element->index()] * element->value();
574 template<
typename VT >
575 friend inline typename EnableIf< UseAssign<VT> >::Type
584 CT1 x(
serial( rhs.lhs_ ) );
585 CT2 y(
serial( rhs.rhs_ ) );
591 for( ConstIterator element=y.begin(); element!=y.end(); ++element )
592 (~lhs)[element->index()] -= x[element->index()] * element->value();
615 template<
typename VT >
616 friend inline typename EnableIf< UseAssign<VT> >::Type
625 CT1 x(
serial( rhs.lhs_ ) );
626 CT2 y(
serial( rhs.rhs_ ) );
632 const ConstIterator
end( y.end() );
633 ConstIterator
begin( y.begin() );
638 for( ; i<index; ++i )
644 for( ; i<(~lhs).
size(); ++i )
702 template<
typename T1
705 inline const DVecSVecMultExpr<T1,T2,TF>
710 if( (~lhs).
size() != (~rhs).
size() )
711 throw std::invalid_argument(
"Vector sizes do not match" );
728 template<
typename VT1,
typename VT2,
bool TF >
730 :
public Max< Size<VT1>, Size<VT2> >::Type
746 template<
typename VT1,
typename VT2,
bool TF,
bool AF >
751 typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
752 ,
typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecSVecMultExpr.h:182
Pointer difference type of the Blaze library.
LeftOperand vec_
Left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:287
Header file for the Max class template.
VT2::TransposeType TT2
Transpose type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:105
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
ConstIterator(LeftOperand vec, IteratorType it)
Constructor for the ConstIterator class.
Definition: DVecSVecMultExpr.h:195
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: DVecSVecMultExpr.h:217
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:8247
Header file for basic type definitions.
size_t index() const
Access to the current index of the sparse element.
Definition: DVecSVecMultExpr.h:247
Header file for the SparseVector base class.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: DVecSVecMultExpr.h:354
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:154
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:209
Element ValueType
Type of the underlying pointers.
Definition: DVecSVecMultExpr.h:179
RightOperand rightOperand() const
Returns the right-hand side sparse vector operand.
Definition: DVecSVecMultExpr.h:410
VT1::CompositeType CT1
Composite type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:102
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:821
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2507
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:261
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:699
Expression object for dense vector-sparse vector multiplications.The DVecSVecMultExpr class represent...
Definition: DVecSVecMultExpr.h:92
Header file for the Computation base class.
ValueType value_type
Type of the underlying pointers.
Definition: DVecSVecMultExpr.h:186
Header file for the RequiresEvaluation type trait.
VT1::TransposeType TT1
Transpose type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:104
IteratorCategory iterator_category
The iterator category.
Definition: DVecSVecMultExpr.h:185
RightOperand rhs_
Right-hand side sparse vector of the multiplication expression.
Definition: DVecSVecMultExpr.h:442
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: DVecSVecMultExpr.h:365
Constraint on the data type.
ConstIterator lowerBound(size_t index) const
Returns an iterator to the first index not less then the given index.
Definition: DVecSVecMultExpr.h:377
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: DVecSVecMultExpr.h:178
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:90
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: DVecSVecMultExpr.h:280
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: DVecSVecMultExpr.h:148
Header file for the ValueIndexPair class.
ConstIterator & operator++()
Pre-increment operator.
Definition: DVecSVecMultExpr.h:206
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.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2511
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
ResultType::ElementType ElementType
Resulting element type.
Definition: DVecSVecMultExpr.h:145
SelectType< useAssign, const ResultType, const DVecSVecMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: DVecSVecMultExpr.h:151
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
RemoveReference< RightOperand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: DVecSVecMultExpr.h:176
#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
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: DVecSVecMultExpr.h:144
Constraint on the data type.
DifferenceType difference_type
Difference between two iterators.
Definition: DVecSVecMultExpr.h:189
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:157
VT1::ResultType RT1
Result type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:98
CompressedMatrix< Type, false > TransposeType
Transpose type for expression template evaluations.
Definition: CompressedMatrix.h:2504
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.
ReturnType value() const
Access to the current value of the sparse element.
Definition: DVecSVecMultExpr.h:237
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: DVecSVecMultExpr.h:313
Header file for the EnableIf class template.
VT2::ResultType RT2
Result type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:99
Header file for the serial shim.
VT1::ReturnType RN1
Return type of the left-hand side dense vector expression.
Definition: DVecSVecMultExpr.h:100
VT2::CompositeType CT2
Composite type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:103
ConstIterator upperBound(size_t index) const
Returns an iterator to the first index greater then the given index.
Definition: DVecSVecMultExpr.h:389
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: DVecSVecMultExpr.h:269
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2506
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
ReferenceType reference
Reference return type.
Definition: DVecSVecMultExpr.h:188
Iterator over the elements of the dense vector-sparse vector multiplication expression.
Definition: DVecSVecMultExpr.h:168
Header file for run time assertion macros.
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: DVecSVecMultExpr.h:324
Base template for the MultTrait class.
Definition: MultTrait.h:150
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
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.
ValueType & ReferenceType
Reference return type.
Definition: DVecSVecMultExpr.h:181
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: DVecSVecMultExpr.h:334
#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.
PointerType pointer
Pointer return type.
Definition: DVecSVecMultExpr.h:187
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: DVecSVecMultExpr.h:227
VT2::ReturnType RN2
Return type of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:101
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: DVecSVecMultExpr.h:173
LeftOperand leftOperand() const
Returns the left-hand side dense vector operand.
Definition: DVecSVecMultExpr.h:400
#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
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: DVecSVecMultExpr.h:422
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.
ValueType * PointerType
Pointer return type.
Definition: DVecSVecMultExpr.h:180
#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
LeftOperand lhs_
Left-hand side dense vector of the multiplication expression.
Definition: DVecSVecMultExpr.h:441
Base class for all compute expression templates.The Computation class serves as a tag for all computa...
Definition: Computation.h:59
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
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: DVecSVecMultExpr.h:434
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2502
Header file for the SubvectorExprTrait class template.
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: DVecSVecMultExpr.h:258
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: DVecSVecMultExpr.h:143
DVecSVecMultExpr< VT1, VT2, TF > This
Type of this DVecSVecMultExpr instance.
Definition: DVecSVecMultExpr.h:142
IteratorType it_
Iterator over the elements of the right-hand side sparse vector expression.
Definition: DVecSVecMultExpr.h:288
DVecSVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the DVecSVecMultExpr class.
Definition: DVecSVecMultExpr.h:299
MultExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: DVecSVecMultExpr.h:118
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
Base class for all vector/vector multiplication expression templates.The VecVecMultExpr class serves ...
Definition: VecVecMultExpr.h:65
#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.
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
size_t size() const
Returns the current size/dimension of the vector.
Definition: DVecSVecMultExpr.h:344