35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECTSVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_SVECTSVECMULTEXPR_H_
83 template<
typename VT1
85 class SVecTSVecMultExpr :
public SparseMatrix< SVecTSVecMultExpr<VT1,VT2>, false >
86 ,
private VecTVecMultExpr
141 enum { smpAssignable = 0 };
197 return lhs_.nonZeros() *
rhs_.nonZeros();
238 template<
typename T >
240 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
250 template<
typename T >
252 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
274 template<
typename MT >
293 const LeftIterator lend( x.end() );
294 const RightIterator rend( y.end() );
296 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
298 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
299 (~lhs)(lelem->index(),relem->index()) = lelem->value() * relem->value();
320 template<
typename MT >
339 const LeftIterator lend( x.end() );
340 const RightIterator rend( y.end() );
342 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
344 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
345 (~lhs)(lelem->index(),relem->index()) = lelem->value() * relem->value();
365 template<
typename MT >
384 const LeftIterator lend( x.end() );
385 const RightIterator rend( y.end() );
387 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
389 (~lhs).reserve( lelem->index(), y.nonZeros() );
390 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
391 (~lhs).append( lelem->index(), relem->index(), lelem->value() * relem->value() );
412 template<
typename MT >
431 const LeftIterator lend( x.end() );
432 const RightIterator rend( y.end() );
434 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
436 (~lhs).reserve( relem->index(), x.nonZeros() );
437 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
438 (~lhs).append( lelem->index(), relem->index(), lelem->value() * relem->value() );
459 template<
typename MT >
478 const LeftIterator lend( x.end() );
479 const RightIterator rend( y.end() );
481 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
483 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
484 (~lhs)(lelem->index(),relem->index()) += lelem->value() * relem->value();
505 template<
typename MT >
524 const LeftIterator lend( x.end() );
525 const RightIterator rend( y.end() );
527 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
529 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
530 (~lhs)(lelem->index(),relem->index()) += lelem->value() * relem->value();
555 template<
typename MT >
574 const LeftIterator lend( x.end() );
575 const RightIterator rend( y.end() );
577 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
579 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
580 (~lhs)(lelem->index(),relem->index()) -= lelem->value() * relem->value();
601 template<
typename MT >
620 const LeftIterator lend( x.end() );
621 const RightIterator rend( y.end() );
623 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
625 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
626 (~lhs)(lelem->index(),relem->index()) -= lelem->value() * relem->value();
693 template<
typename T1
695 inline const SVecTSVecMultExpr<T1,T2>
715 template<
typename VT1,
typename VT2,
bool AF >
716 struct SubmatrixExprTrait< SVecTSVecMultExpr<VT1,VT2>, AF >
720 typedef typename MultExprTrait< typename SubvectorExprTrait<const VT1,AF>::Type
721 ,
typename SubvectorExprTrait<const VT2,AF>::Type >::Type Type;
730 template<
typename VT1,
typename VT2 >
731 struct RowExprTrait< SVecTSVecMultExpr<VT1,VT2> >
735 typedef typename MultExprTrait< typename VT1::ReturnType, VT2 >::Type Type;
744 template<
typename VT1,
typename VT2 >
745 struct ColumnExprTrait< SVecTSVecMultExpr<VT1,VT2> >
749 typedef typename MultExprTrait< VT1, typename VT2::ReturnType >::Type Type;
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:4075
#define BLAZE_CONSTRAINT_MUST_BE_COLUMN_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a column dense or sparse vector type...
Definition: TransposeFlag.h:159
bool isDefault(const DynamicMatrix< Type, SO > &m)
Returns whether the given dense matrix is in default state.
Definition: DynamicMatrix.h:4622
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:197
Header file for the ColumnExprTrait class template.
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SVecTSVecMultExpr.h:163
SelectType< IsComputation< VT1 >::value, const RT1, CT1 >::Type LT
Type for the assignment of the left-hand side dense vector operand.
Definition: SVecTSVecMultExpr.h:133
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2384
SVecTSVecMultExpr(const VT1 &lhs, const VT2 &rhs)
Constructor for the SVecTSVecMultExpr class.
Definition: SVecTSVecMultExpr.h:150
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:249
VT1::ResultType RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecTSVecMultExpr.h:91
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: SVecTSVecMultExpr.h:251
Header file for the Computation base class.
size_t columns() const
Returns the current number of columns of the matrix.
Definition: SVecTSVecMultExpr.h:186
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: SVecTSVecMultExpr.h:196
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: SVecTSVecMultExpr.h:117
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: SVecTSVecMultExpr.h:239
ResultType::ElementType ElementType
Resulting element type.
Definition: SVecTSVecMultExpr.h:118
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
Constraint on the data type.
Header file for the SparseMatrix base class.
Constraint on the data type.
Header file for the MultExprTrait class template.
Compile time type selection.The SelectType class template selects one of the two given types T1 and T...
Definition: SelectType.h:59
VT2::CompositeType CT2
Composite type of the right-hand side sparse vector expression.
Definition: SVecTSVecMultExpr.h:96
Header file for the IsTemporary type trait class.
Header file for the multiplication trait.
size_t rows() const
Returns the current number of rows of the matrix.
Definition: SVecTSVecMultExpr.h:176
SelectType< IsExpression< VT2 >::value, const VT2, const VT2 & >::Type RightOperand
Composite type of the right-hand side sparse vector expression.
Definition: SVecTSVecMultExpr.h:130
LeftOperand lhs_
Left-hand side sparse vector of the multiplication expression.
Definition: SVecTSVecMultExpr.h:258
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SVecTSVecMultExpr.h:207
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2388
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
#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
Constraint on the data type.
Expression object for sparse vector-sparse vector outer products.The SVecTSVecMultExpr class represen...
Definition: Forward.h:120
MultExprTrait< RN1, RN2 >::Type ExprReturnType
Expression return type for the subscript operator.
Definition: SVecTSVecMultExpr.h:109
Header file for the SelectType class template.
Header file for the RowExprTrait class template.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
Header file for the VecTVecMultExpr base class.
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SVecTSVecMultExpr.h:116
Header file for the SubmatrixExprTrait class template.
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:2383
Removal of reference modifiers.The RemoveCV type trait removes any reference modifiers from the given...
Definition: RemoveReference.h:69
Header file for run time assertion macros.
Base template for the MultTrait class.
Definition: MultTrait.h:141
RightOperand rhs_
Right-hand side sparse vector of the multiplication expression.
Definition: SVecTSVecMultExpr.h:259
VT1::CompositeType CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecTSVecMultExpr.h:95
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
VT2::ReturnType RN2
Return type of the right-hand side sparse vector expression.
Definition: SVecTSVecMultExpr.h:94
RightOperand rightOperand() const
Returns the right-hand side sparse vector operand.
Definition: SVecTSVecMultExpr.h:227
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
SelectType< IsExpression< VT1 >::value, const VT1, const VT1 & >::Type LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecTSVecMultExpr.h:127
Header file for the isDefault shim.
const ResultType CompositeType
Data type for composite expression templates.
Definition: SVecTSVecMultExpr.h:124
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: SVecTSVecMultExpr.h:115
Header file for the RemoveReference type trait.
VT1::ReturnType RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecTSVecMultExpr.h:93
SVecTSVecMultExpr< VT1, VT2 > This
Type of this SVecTSVecMultExpr instance.
Definition: SVecTSVecMultExpr.h:114
Header file for the IsComputation type trait class.
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:2379
Header file for basic type definitions.
#define BLAZE_CONSTRAINT_MUST_BE_ROW_VECTOR_TYPE(T)
Constraint on the data type.In case the given data type T is not a row dense or sparse vector type (i...
Definition: TransposeFlag.h:81
Header file for the SubvectorExprTrait class template.
VT2::ResultType RT2
Result type of the right-hand side sparse vector expression.
Definition: SVecTSVecMultExpr.h:92
const SelectType< returnExpr, ExprReturnType, ElementType >::Type ReturnType
Return type for expression template evaluations.
Definition: SVecTSVecMultExpr.h:121
Evaluation of the resulting expression type of a multiplication.Via this type trait it is possible to...
Definition: MultExprTrait.h:137
Size type of the Blaze library.
#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
LeftOperand leftOperand() const
Returns the left-hand side sparse vector operand.
Definition: SVecTSVecMultExpr.h:217
SelectType< IsComputation< VT2 >::value, const RT2, CT2 >::Type RT
Type for the assignment of the right-hand side dense vector operand.
Definition: SVecTSVecMultExpr.h:136
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.