35 #ifndef _BLAZE_MATH_EXPRESSIONS_SVECSVECOUTEREXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_SVECSVECOUTEREXPR_H_ 85 template<
typename VT1
87 class SVecSVecOuterExpr
88 :
public VecTVecMultExpr< SparseMatrix< SVecSVecOuterExpr<VT1,VT2>, false > >
143 enum :
bool { smpAssignable =
false };
182 if( i >=
lhs_.size() ) {
185 if( j >=
rhs_.size() ) {
197 inline size_t rows() const noexcept {
218 return lhs_.nonZeros() *
rhs_.nonZeros();
259 template<
typename T >
260 inline bool canAlias(
const T* alias )
const noexcept {
261 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
271 template<
typename T >
272 inline bool isAliased(
const T* alias )
const noexcept {
273 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
295 template<
typename MT >
314 const LeftIterator lend( x.end() );
315 const RightIterator rend( y.end() );
317 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
319 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
320 (~lhs)(lelem->index(),relem->index()) = lelem->value() * relem->value();
341 template<
typename MT >
362 const LeftIterator lend( x.end() );
363 const RightIterator rend( y.end() );
365 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
367 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
368 (~lhs)(lelem->index(),relem->index()) = lelem->value() * relem->value();
388 template<
typename MT >
409 (~lhs).reserve( x.nonZeros() * y.nonZeros() );
412 const LeftIterator lend( x.end() );
413 const RightIterator rend( y.end() );
416 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
418 for( ; index < lelem->index(); ++index ) {
419 (~lhs).finalize( index );
421 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
422 (~lhs).append( lelem->index(), relem->index(), lelem->value() * relem->value() );
424 (~lhs).finalize( index++ );
428 for( ; index < x.size(); ++index ) {
429 (~lhs).finalize( index );
448 template<
typename MT >
470 const LeftIterator lend( x.end() );
471 const RightIterator rend( y.end() );
474 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
476 for( ; index < relem->index(); ++index ) {
477 (~lhs).finalize( index );
479 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
480 (~lhs).append( lelem->index(), relem->index(), lelem->value() * relem->value() );
482 (~lhs).finalize( index++ );
486 for( ; index < y.size(); ++index ) {
487 (~lhs).finalize( index );
506 template<
typename MT >
525 const LeftIterator lend( x.end() );
526 const RightIterator rend( y.end() );
528 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
530 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
531 (~lhs)(lelem->index(),relem->index()) += lelem->value() * relem->value();
552 template<
typename MT >
573 const LeftIterator lend( x.end() );
574 const RightIterator rend( y.end() );
576 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
578 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
579 (~lhs)(lelem->index(),relem->index()) += lelem->value() * relem->value();
604 template<
typename MT >
623 const LeftIterator lend( x.end() );
624 const RightIterator rend( y.end() );
626 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
628 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
629 (~lhs)(lelem->index(),relem->index()) -= lelem->value() * relem->value();
650 template<
typename MT >
671 const LeftIterator lend( x.end() );
672 const RightIterator rend( y.end() );
674 for( RightIterator relem=y.begin(); relem!=rend; ++relem ) {
676 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem ) {
677 (~lhs)(lelem->index(),relem->index()) -= lelem->value() * relem->value();
702 template<
typename MT >
721 const LeftIterator lend( x.end() );
722 const RightIterator rend( y.end() );
726 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem )
728 if(
isDefault( lelem->value() ) )
continue;
730 for( ; i<lelem->index(); ++i ) {
731 for(
size_t j=0UL; j<y.size(); ++j )
732 reset( (~lhs)(i,j) );
737 for( RightIterator relem=y.begin(); relem!=rend; ++relem, ++j ) {
738 for( ; j<relem->index(); ++j )
739 reset( (~lhs)(i,j) );
740 (~lhs)(lelem->index(),relem->index()) *= lelem->value() * relem->value();
743 for( ; j<y.size(); ++j ) {
744 reset( (~lhs)(i,j) );
750 for( ; i<x.size(); ++i ) {
751 for(
size_t j=0UL; j<y.size(); ++j )
752 reset( (~lhs)(i,j) );
771 template<
typename MT >
792 const LeftIterator lend( x.end() );
793 const RightIterator rend( y.end() );
797 for( RightIterator relem=y.begin(); relem!=rend; ++relem )
799 if(
isDefault( relem->value() ) )
continue;
801 for( ; j<relem->index(); ++j ) {
802 for(
size_t i=0UL; i<x.size(); ++i )
803 reset( (~lhs)(i,j) );
808 for( LeftIterator lelem=x.begin(); lelem!=lend; ++lelem, ++i ) {
809 for( ; i<lelem->index(); ++i )
810 reset( (~lhs)(i,j) );
811 (~lhs)(lelem->index(),relem->index()) *= lelem->value() * relem->value();
814 for( ; i<x.size(); ++i ) {
815 reset( (~lhs)(i,j) );
821 for( ; j<y.size(); ++j ) {
822 for(
size_t i=0UL; i<x.size(); ++i )
823 reset( (~lhs)(i,j) );
889 template<
typename VT1
891 inline decltype(
auto)
912 template<
typename VT1,
typename VT2 >
913 struct Size< SVecSVecOuterExpr<VT1,VT2>, 0UL >
914 :
public Size<VT1,0UL>
917 template<
typename VT1,
typename VT2 >
918 struct Size< SVecSVecOuterExpr<VT1,VT2>, 1UL >
919 :
public Size<VT2,0UL>
OppositeType_< ResultType > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: SVecSVecOuterExpr.h:118
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse vector operand.
Definition: SVecSVecOuterExpr.h:238
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: SVecSVecOuterExpr.h:119
Header file for auxiliary alias declarations.
Compile time check whether the given type is a temporary vector or matrix type.This type trait class ...
Definition: IsTemporary.h:69
ReturnType_< VT2 > RN2
Return type of the right-hand side sparse vector expression.
Definition: SVecSVecOuterExpr.h:96
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: SVecSVecOuterExpr.h:165
BLAZE_ALWAYS_INLINE size_t capacity(const Matrix< MT, SO > &matrix) noexcept
Returns the maximum capacity of the matrix.
Definition: Matrix.h:522
Header file for basic type definitions.
Expression object for sparse vector-sparse vector outer products.The SVecSVecOuterExpr class represen...
Definition: Forward.h:144
#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: ColumnVector.h:61
Header file for the serial shim.
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:588
typename MultTrait< T1, T2 >::Type MultTrait_
Auxiliary alias declaration for the MultTrait class template.The MultTrait_ alias declaration provide...
Definition: MultTrait.h:291
size_t rows() const noexcept
Returns the current number of rows of the matrix.
Definition: SVecSVecOuterExpr.h:197
Header file for the Computation base class.
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse vector operand.
Definition: SVecSVecOuterExpr.h:248
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:343
CompositeType_< VT1 > CT1
Composite type of the left-hand side sparse vector expression.
Definition: SVecSVecOuterExpr.h:97
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:80
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:129
typename IfTrue< Condition, T1, T2 >::Type IfTrue_
Auxiliary alias declaration for the IfTrue class template.The IfTrue_ alias declaration provides a co...
Definition: If.h:109
typename T::ReturnType ReturnType_
Alias declaration for nested ReturnType type definitions.The ReturnType_ alias declaration provides a...
Definition: Aliases.h:363
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: SVecSVecOuterExpr.h:228
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: SVecSVecOuterExpr.h:217
const IfTrue_< returnExpr, ExprReturnType, ElementType > ReturnType
Return type for expression template evaluations.
Definition: SVecSVecOuterExpr.h:123
Header file for the SparseMatrix base class.
Constraint on the transpose flag of vector types.
RightOperand rhs_
Right-hand side sparse vector of the multiplication expression.
Definition: SVecSVecOuterExpr.h:280
Constraint on the data type.
typename MultExprTrait< T1, T2 >::Type MultExprTrait_
Auxiliary alias declaration for the MultExprTrait class template.The MultExprTrait_ alias declaration...
Definition: MultExprTrait.h:112
Header file for the MultExprTrait class template.
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
ResultType_< VT1 > RT1
Result type of the left-hand side sparse vector expression.
Definition: SVecSVecOuterExpr.h:93
Header file for the IsTemporary type trait class.
Header file for the multiplication trait.
If_< IsComputation< VT1 >, const RT1, CT1 > LT
Type for the assignment of the left-hand side dense vector operand.
Definition: SVecSVecOuterExpr.h:135
Namespace of the Blaze C++ math library.
Definition: Blaze.h:58
Header file for the If class template.
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_VECTVECMULTEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/vector ...
Definition: VecTVecMultExpr.h:104
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.This macro encapsulates the default way of Bl...
Definition: Exception.h:331
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
#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:61
SVecSVecOuterExpr(const VT1 &lhs, const VT2 &rhs) noexcept
Constructor for the SVecSVecOuterExpr class.
Definition: SVecSVecOuterExpr.h:152
If_< IsComputation< VT2 >, const RT2, CT2 > RT
Type for the assignment of the right-hand side dense vector operand.
Definition: SVecSVecOuterExpr.h:138
MultTrait_< RT1, RT2 > ResultType
Result type for expression template evaluations.
Definition: SVecSVecOuterExpr.h:117
Header file for the exception macros of the math module.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
Header file for the VecTVecMultExpr base class.
If_< IsExpression< VT2 >, const VT2, const VT2 &> RightOperand
Composite type of the right-hand side sparse vector expression.
Definition: SVecSVecOuterExpr.h:132
#define BLAZE_CONSTRAINT_MUST_NOT_BE_SYMMETRIC_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is a symmetric matrix type, a compilation error is created.
Definition: Symmetric.h:79
Header file for run time assertion macros.
MultExprTrait_< RN1, RN2 > ExprReturnType
Expression return type for the subscript operator.
Definition: SVecSVecOuterExpr.h:111
CompositeType_< VT2 > CT2
Composite type of the right-hand side sparse vector expression.
Definition: SVecSVecOuterExpr.h:98
typename If< T1, T2, T3 >::Type If_
Auxiliary alias declaration for the If class template.The If_ alias declaration provides a convenient...
Definition: If.h:154
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
Header file for the isDefault shim.
Constraint on the data type.
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:816
Constraint on the data type.
ReturnType_< VT1 > RN1
Return type of the left-hand side sparse vector expression.
Definition: SVecSVecOuterExpr.h:95
Header file for the RemoveReference type trait.
size_t columns() const noexcept
Returns the current number of columns of the matrix.
Definition: SVecSVecOuterExpr.h:207
typename T::OppositeType OppositeType_
Alias declaration for nested OppositeType type definitions.The OppositeType_ alias declaration provid...
Definition: Aliases.h:263
ReturnType at(size_t i, size_t j) const
Checked access to the matrix elements.
Definition: SVecSVecOuterExpr.h:181
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3080
typename T::ConstIterator ConstIterator_
Alias declaration for nested ConstIterator type definitions.The ConstIterator_ alias declaration prov...
Definition: Aliases.h:103
const ResultType CompositeType
Data type for composite expression templates.
Definition: SVecSVecOuterExpr.h:126
Header file for the IsComputation type trait class.
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: SVecSVecOuterExpr.h:260
Compile time evaluation of the size of vectors and matrices.The Size type trait evaluates the size of...
Definition: Size.h:80
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
ElementType_< ResultType > ElementType
Resulting element type.
Definition: SVecSVecOuterExpr.h:120
ResultType_< VT2 > RT2
Result type of the right-hand side sparse vector expression.
Definition: SVecSVecOuterExpr.h:94
#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: RowVector.h:61
bool isDefault(const DiagonalProxy< MT > &proxy)
Returns whether the represented element is in default state.
Definition: DiagonalProxy.h:628
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: SVecSVecOuterExpr.h:272
Header file for the Size type trait.
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
Constraint on the transpose flag of vector types.
Header file for the IsExpression type trait class.
Header file for the function trace functionality.
If_< IsExpression< VT1 >, const VT1, const VT1 &> LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: SVecSVecOuterExpr.h:129
LeftOperand lhs_
Left-hand side sparse vector of the multiplication expression.
Definition: SVecSVecOuterExpr.h:279