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 };
326 inline ReturnType
at(
size_t index )
const {
327 if( index >=
lhs_.size() ) {
330 return (*
this)[index];
370 return rhs_.nonZeros();
436 template<
typename T >
438 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
448 template<
typename T >
450 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
474 template<
typename VT >
491 for( ConstIterator element=y.begin(); element!=y.end(); ++element )
492 (~lhs)[element->index()] = x[element->index()] * element->value();
511 template<
typename VT >
528 for( ConstIterator element=y.begin(); element!=y.end(); ++element )
529 (~lhs).append( element->index(), x[element->index()] * element->value() );
548 template<
typename VT >
549 friend inline typename EnableIf< UseAssign<VT> >::Type
558 CT1 x(
serial( rhs.lhs_ ) );
559 CT2 y(
serial( rhs.rhs_ ) );
565 for( ConstIterator element=y.begin(); element!=y.end(); ++element )
566 (~lhs)[element->index()] += x[element->index()] * element->value();
589 template<
typename VT >
590 friend inline typename EnableIf< UseAssign<VT> >::Type
599 CT1 x(
serial( rhs.lhs_ ) );
600 CT2 y(
serial( rhs.rhs_ ) );
606 for( ConstIterator element=y.begin(); element!=y.end(); ++element )
607 (~lhs)[element->index()] -= x[element->index()] * element->value();
630 template<
typename VT >
631 friend inline typename EnableIf< UseAssign<VT> >::Type
640 CT1 x(
serial( rhs.lhs_ ) );
641 CT2 y(
serial( rhs.rhs_ ) );
647 const ConstIterator
end( y.end() );
648 ConstIterator
begin( y.begin() );
653 for( ; i<index; ++i )
659 for( ; i<(~lhs).
size(); ++i )
717 template<
typename T1
720 inline const DVecSVecMultExpr<T1,T2,TF>
725 if( (~lhs).
size() != (~rhs).
size() ) {
744 template<
typename VT1,
typename VT2,
bool TF >
746 :
public Max< Size<VT1>, Size<VT2> >
762 template<
typename VT1,
typename VT2,
bool TF,
bool AF >
767 typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
768 ,
typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: DVecSVecMultExpr.h:182
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exceptionThis macro encapsulates the default way of...
Definition: Exception.h:187
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
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:7820
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:369
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:207
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:425
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:507
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2588
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:259
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:721
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:457
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: DVecSVecMultExpr.h:380
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:392
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:2592
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exceptionThis macro encapsulates the default way of Bla...
Definition: Exception.h:331
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:2585
Constraint on the data type.
Header file for the VecVecMultExpr base class.
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: DVecSVecMultExpr.h:326
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:404
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:2587
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:339
Base template for the MultTrait class.
Definition: MultTrait.h:138
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:349
#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:415
#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:437
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:456
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:118
#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:449
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2583
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
Header file for exception macros.
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:81
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.
size_t size() const
Returns the current size/dimension of the vector.
Definition: DVecSVecMultExpr.h:359