35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECDVECMULTEXPR_H_
89 template<
typename VT1
92 class SVecDVecMultExpr :
public SparseVector< SVecDVecMultExpr<VT1,VT2,TF>, TF >
93 ,
private VecVecMultExpr
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 lhs_.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 >
484 CT1 x(
serial( rhs.lhs_ ) );
485 CT2 y(
serial( rhs.rhs_ ) );
491 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
492 (~lhs)[element->index()] = element->value() * y[element->index()];
511 template<
typename VT >
521 CT1 x(
serial( rhs.lhs_ ) );
522 CT2 y(
serial( rhs.rhs_ ) );
528 for( ConstIterator element=x.begin(); element!=x.end(); ++element )
529 (~lhs).append( element->index(), element->value() * y[element->index()] );
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=x.begin(); element!=x.end(); ++element )
566 (~lhs)[element->index()] += element->value() * y[element->index()];
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=x.begin(); element!=x.end(); ++element )
607 (~lhs)[element->index()] -= element->value() * y[element->index()];
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( x.end() );
648 ConstIterator
begin( x.begin() );
653 for( ; i<index; ++i )
659 for( ; i<rhs.size(); ++i )
717 template<
typename T1
720 inline const SVecDVecMultExpr<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;
#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.
Header file for the Max class template.
ValueIndexPair< ElementType > Element
Element type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:173
ValueType value_type
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:186
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:87
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
ConstIterator end() const
Returns an iterator just past the last non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:349
Header file for basic type definitions.
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: SVecDVecMultExpr.h:425
Header file for the SparseVector base class.
size_t size() const
Returns the current size/dimension of the vector.
Definition: SVecDVecMultExpr.h:359
ConstIterator upperBound(size_t index) const
Returns an iterator to the first index greater then the given index.
Definition: SVecDVecMultExpr.h:404
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: SVecDVecMultExpr.h:313
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: SVecDVecMultExpr.h:326
size_t nonZeros() const
Returns the number of non-zero elements in the sparse vector.
Definition: SVecDVecMultExpr.h:369
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:207
PointerType pointer
Pointer return type.
Definition: SVecDVecMultExpr.h:187
bool operator==(const ConstIterator &rhs) const
Equality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:258
ReturnType value() const
Access to the current value of the sparse element.
Definition: SVecDVecMultExpr.h:237
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:507
RightOperand rhs_
Right-hand side dense vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:457
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
SVecDVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the SVecDVecMultExpr class.
Definition: SVecDVecMultExpr.h:299
ReferenceType reference
Reference return type.
Definition: SVecDVecMultExpr.h:188
const Element operator*() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:217
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
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
VT2::CompositeType CT2
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:103
ResultType::ElementType ElementType
Resulting element type.
Definition: SVecDVecMultExpr.h:145
Constraint on the data type.
ConstIterator(IteratorType it, RightOperand vec)
Constructor for the ConstIterator class.
Definition: SVecDVecMultExpr.h:195
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
VT2::ResultType RT2
Result type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:99
ValueType & ReferenceType
Reference return type.
Definition: SVecDVecMultExpr.h:181
Header file for the ValueIndexPair class.
ConstIterator lowerBound(size_t index) const
Returns an iterator to the first index not less then the given index.
Definition: SVecDVecMultExpr.h:392
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.
SelectType< useAssign, const ResultType, const SVecDVecMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: SVecDVecMultExpr.h:151
Header file for the multiplication trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
DifferenceType difference_type
Difference between two iterators.
Definition: SVecDVecMultExpr.h:189
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SVecDVecMultExpr.h:144
ptrdiff_t DifferenceType
Difference between two iterators.
Definition: SVecDVecMultExpr.h:182
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
IteratorType it_
Iterator over the elements of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:287
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
std::forward_iterator_tag IteratorCategory
The iterator category.
Definition: SVecDVecMultExpr.h:178
Constraint on the data type.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SVecDVecMultExpr.h:437
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:157
DifferenceType operator-(const ConstIterator &rhs) const
Calculating the number of elements between two expression iterators.
Definition: SVecDVecMultExpr.h:280
bool operator!=(const ConstIterator &rhs) const
Inequality comparison between two ConstIterator objects.
Definition: SVecDVecMultExpr.h:269
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.
ConstIterator find(size_t index) const
Searches for a specific vector element.
Definition: SVecDVecMultExpr.h:380
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::TransposeType TT2
Transpose type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:105
Iterator over the elements of the sparse vector-dense vector multiplication expression.
Definition: SVecDVecMultExpr.h:168
ConstIterator & operator++()
Pre-increment operator.
Definition: SVecDVecMultExpr.h:206
Header file for the EnableIf class template.
Header file for the serial shim.
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecDVecMultExpr.h:148
LeftOperand lhs_
Left-hand side sparse vector of the multiplication expression.
Definition: SVecDVecMultExpr.h:456
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
VT1::CompositeType CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:102
Header file for run time assertion macros.
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.
ConstIterator begin() const
Returns an iterator to the first non-zero element of the sparse vector.
Definition: SVecDVecMultExpr.h:339
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecDVecMultExpr.h:449
size_t index() const
Access to the current index of the sparse element.
Definition: SVecDVecMultExpr.h:247
#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.
SVecDVecMultExpr< VT1, VT2, TF > This
Type of this SVecDVecMultExpr instance.
Definition: SVecDVecMultExpr.h:142
RemoveReference< LeftOperand >::Type::ConstIterator IteratorType
Iterator type of the sparse vector expression.
Definition: SVecDVecMultExpr.h:176
#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
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.
LeftOperand leftOperand() const
Returns the left-hand side sparse vector operand.
Definition: SVecDVecMultExpr.h:415
#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
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
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:154
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2583
MultExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SVecDVecMultExpr.h:118
ElementType ValueType
Type of the underlying pointers.
Definition: SVecDVecMultExpr.h:179
Header file for the SubvectorExprTrait class template.
const ConstIterator * operator->() const
Direct access to the sparse vector element at the current iterator position.
Definition: SVecDVecMultExpr.h:227
Header file for exception macros.
ValueType * PointerType
Pointer return type.
Definition: SVecDVecMultExpr.h:180
RightOperand vec_
Right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:288
IteratorCategory iterator_category
The iterator category.
Definition: SVecDVecMultExpr.h:185
VT1::ReturnType RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:100
VT2::ReturnType RN2
Return type of the right-hand side dense vector expression.
Definition: SVecDVecMultExpr.h:101
VT1::TransposeType TT1
Transpose type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:104
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
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SVecDVecMultExpr.h:143
#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.
VT1::ResultType RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecDVecMultExpr.h:98
Header file for the FunctionTrace class.
Expression object for sparse vector-dense vector multiplications.The SVecDVecMultExpr class represent...
Definition: Forward.h:122