35 #ifndef _BLAZE_MATH_EXPRESSIONS_TSMATSMATMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_TSMATSMATMULTEXPR_H_
107 template<
typename MT1
109 class TSMatSMatMultExpr :
public SparseMatrix< TSMatSMatMultExpr<MT1,MT2>, true >
110 ,
private MatMatMultExpr
111 ,
private Computation
165 if(
lhs_.columns() != 0UL ) {
167 for(
size_t k=1UL; k<
lhs_.columns(); ++k ) {
192 return rhs_.columns();
244 template<
typename T >
246 return (
lhs_.canAlias( alias ) ||
rhs_.canAlias( alias ) );
256 template<
typename T >
258 return (
lhs_.isAliased( alias ) ||
rhs_.isAliased( alias ) );
282 template<
typename MT
305 for(
size_t j=0UL; j<A.columns(); ++j ) {
306 const LeftIterator lend( A.end(j) );
307 for( LeftIterator lelem=A.begin(j); lelem!=lend; ++lelem ) {
308 const RightIterator rend( B.end(j) );
309 for( RightIterator relem=B.begin(j); relem!=rend; ++relem )
311 if(
isDefault( (~lhs)(lelem->index(),relem->index()) ) ) {
312 (~lhs)(lelem->index(),relem->index()) = lelem->value() * relem->value();
315 (~lhs)(lelem->index(),relem->index()) += lelem->value() * relem->value();
338 template<
typename MT
361 for(
size_t j=0UL; j<A.columns(); ++j ) {
362 const LeftIterator lend( A.end(j) );
363 for( LeftIterator lelem=A.begin(j); lelem!=lend; ++lelem ) {
364 const RightIterator rend( B.end(j) );
365 for( RightIterator relem=B.begin(j); relem!=rend; ++relem ) {
366 (~lhs)(lelem->index(),relem->index()) += lelem->value() * relem->value();
387 template<
typename MT >
398 assign( ~lhs, tmp * rhs.rhs_ );
416 template<
typename MT >
427 assign( ~lhs, rhs.lhs_ * tmp );
445 template<
typename MT
467 for(
size_t j=0UL; j<A.columns(); ++j ) {
468 const LeftIterator lend( A.end(j) );
469 for( LeftIterator lelem=A.begin(j); lelem!=lend; ++lelem ) {
470 const RightIterator rend( B.end(j) );
471 for( RightIterator relem=B.begin(j); relem!=rend; ++relem ) {
472 (~lhs)(lelem->index(),relem->index()) += lelem->value() * relem->value();
497 template<
typename MT
519 for(
size_t j=0UL; j<A.columns(); ++j ) {
520 const LeftIterator lend( A.end(j) );
521 for( LeftIterator lelem=A.begin(j); lelem!=lend; ++lelem ) {
522 const RightIterator rend( B.end(j) );
523 for( RightIterator relem=B.begin(j); relem!=rend; ++relem ) {
524 (~lhs)(lelem->index(),relem->index()) -= lelem->value() * relem->value();
594 template<
typename T1
596 inline const TSMatSMatMultExpr<T1,T2>
602 throw std::invalid_argument(
"Matrix sizes do not match" );
619 template<
typename MT1,
typename MT2,
typename VT >
620 struct TSMatDVecMultExprTrait< TSMatSMatMultExpr<MT1,MT2>, VT >
624 typedef typename SelectType< IsSparseMatrix<MT1>::value && IsColumnMajorMatrix<MT1>::value &&
625 IsSparseMatrix<MT2>::value && IsRowMajorMatrix<MT2>::value &&
626 IsDenseVector<VT>::value && IsColumnVector<VT>::value
627 ,
typename TSMatDVecMultExprTrait< MT1, typename SMatDVecMultExprTrait<MT2,VT>::Type >::Type
628 , INVALID_TYPE >::Type Type;
637 template<
typename MT1,
typename MT2,
typename VT >
638 struct TSMatSVecMultExprTrait< TSMatSMatMultExpr<MT1,MT2>, VT >
642 typedef typename SelectType< IsSparseMatrix<MT1>::value && IsColumnMajorMatrix<MT1>::value &&
643 IsSparseMatrix<MT2>::value && IsRowMajorMatrix<MT2>::value &&
644 IsSparseVector<VT>::value && IsColumnVector<VT>::value
645 ,
typename TSMatDVecMultExprTrait< MT1, typename SMatDVecMultExprTrait<MT2,VT>::Type >::Type
646 , INVALID_TYPE >::Type Type;
655 template<
typename VT,
typename MT1,
typename MT2 >
656 struct TDVecTSMatMultExprTrait< VT, TSMatSMatMultExpr<MT1,MT2> >
660 typedef typename SelectType< IsDenseVector<VT>::value && IsRowVector<VT>::value &&
661 IsSparseMatrix<MT1>::value && IsColumnMajorMatrix<MT1>::value &&
662 IsSparseMatrix<MT2>::value && IsRowMajorMatrix<MT2>::value
663 ,
typename TDVecSMatMultExprTrait< typename TDVecTSMatMultExprTrait<VT,MT1>::Type, MT2 >::Type
664 , INVALID_TYPE >::Type Type;
673 template<
typename VT,
typename MT1,
typename MT2 >
674 struct TSVecTSMatMultExprTrait< VT, TSMatSMatMultExpr<MT1,MT2> >
678 typedef typename SelectType< IsSparseVector<VT>::value && IsRowVector<VT>::value &&
679 IsSparseMatrix<MT1>::value && IsColumnMajorMatrix<MT1>::value &&
680 IsSparseMatrix<MT2>::value && IsRowMajorMatrix<MT2>::value
681 ,
typename TDVecSMatMultExprTrait< typename TDVecTSMatMultExprTrait<VT,MT1>::Type, MT2 >::Type
682 , INVALID_TYPE >::Type Type;
691 template<
typename MT1,
typename MT2 >
692 struct SubmatrixExprTrait< TSMatSMatMultExpr<MT1,MT2> >
696 typedef typename MultExprTrait< typename SubmatrixExprTrait<const MT1>::Type
697 ,
typename SubmatrixExprTrait<const MT2>::Type >::Type Type;
706 template<
typename MT1,
typename MT2 >
707 struct RowExprTrait< TSMatSMatMultExpr<MT1,MT2> >
711 typedef typename MultExprTrait< typename RowExprTrait<const MT1>::Type, MT2 >::Type Type;
720 template<
typename MT1,
typename MT2 >
721 struct ColumnExprTrait< TSMatSMatMultExpr<MT1,MT2> >
725 typedef typename MultExprTrait< MT1, typename ColumnExprTrait<const MT2>::Type >::Type Type;
size_t rows() const
Returns the current number of rows of the matrix.
Definition: TSMatSMatMultExpr.h:181
RightOperand rhs_
Right-hand side sparse matrix of the multiplication expression.
Definition: TSMatSMatMultExpr.h:265
Header file for the SMatDVecMultExprTrait class template.
RightOperand rightOperand() const
Returns the right-hand side sparse matrix operand.
Definition: TSMatSMatMultExpr.h:233
Header file for the UNUSED_PARAMETER function template.
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:3703
ResultType::OppositeType OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: TSMatSMatMultExpr.h:125
ReturnType operator()(size_t i, size_t j) const
2D-access to the matrix elements.
Definition: TSMatSMatMultExpr.h:159
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: TSMatSMatMultExpr.h:126
Header file for the IsSparseMatrix type trait.
bool isDefault(const DynamicMatrix< Type, SO > &m)
Returns whether the given dense matrix is in default state.
Definition: DynamicMatrix.h:4555
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:196
Header file for the ColumnExprTrait class template.
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: TSMatSMatMultExpr.h:257
Header file for the IsColumnMajorMatrix type trait.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: TSMatSMatMultExpr.h:245
Header file for the TSVecTSMatMultExprTrait class template.
MT2::ResultType RT2
Result type of the right-hand side sparse matrix expression.
Definition: TSMatSMatMultExpr.h:116
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2375
Header file for the IsRowVector type trait.
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:248
void UNUSED_PARAMETER(const T1 &)
Suppression of unused parameter warnings.
Definition: Unused.h:84
Header file for the TDVecSMatMultExprTrait class template.
SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatSMatMultExpr.h:132
Header file for the Computation base class.
Header file for the MatMatMultExpr base class.
Header file for the RequiresEvaluation type trait.
Header file for the TSVecSMatMultExprTrait class template.
const ResultType CompositeType
Data type for composite expression templates.
Definition: TSMatSMatMultExpr.h:129
CompressedMatrix< Type, false > OppositeType
Result type with opposite storage order for expression template evaluations.
Definition: CompressedMatrix.h:2371
MT2::CompositeType CT2
Composite type of the right-hand side sparse matrix expression.
Definition: TSMatSMatMultExpr.h:118
Base class for dense matrices.The DenseMatrix class is a base class for all dense matrix classes...
Definition: DenseMatrix.h:70
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:104
Header file for the SparseMatrix base class.
LeftOperand lhs_
Left-hand side sparse matrix of the multiplication expression.
Definition: TSMatSMatMultExpr.h:264
Constraint on the data type.
Header file for the MultExprTrait class template.
MT1::ResultType RT1
Result type of the left-hand side sparse matrix expression.
Definition: TSMatSMatMultExpr.h:115
TSMatSMatMultExpr< MT1, MT2 > This
Type of this TSMatSMatMultExpr instance.
Definition: TSMatSMatMultExpr.h:123
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 DisableIf class template.
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TSMatSMatMultExpr.h:128
Header file for the multiplication trait.
#define BLAZE_CONSTRAINT_MUST_BE_COLUMN_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a column-major dense or sparse matri...
Definition: StorageOrder.h:161
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2379
Header file for the TDVecTSMatMultExprTrait class template.
Header file for the TSMatDVecMultExprTrait class template.
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
Constraint on the data type.
Header file for the SMatSVecMultExprTrait class template.
Constraints on the storage order of matrix types.
Constraint on the data type.
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 complete DynamicVector implementation.
Header file for the EnableIf class template.
size_t nonZeros() const
Returns the number of non-zero elements in the sparse matrix.
Definition: TSMatSMatMultExpr.h:201
SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: TSMatSMatMultExpr.h:135
Header file for the IsSparseVector type trait.
Header file for the SubmatrixExprTrait class template.
#define BLAZE_CONSTRAINT_MUST_BE_ROW_MAJOR_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a row-major dense or sparse matrix t...
Definition: StorageOrder.h:81
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.
Utility type for generic codes.
Base template for the MultTrait class.
Definition: MultTrait.h:141
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
size_t columns() const
Returns the current number of columns of the matrix.
Definition: TSMatSMatMultExpr.h:191
Substitution Failure Is Not An Error (SFINAE) class.The EnableIf class template is an auxiliary tool ...
Definition: EnableIf.h:184
TSMatSMatMultExpr(const MT1 &lhs, const MT2 &rhs)
Constructor for the TSMatSMatMultExpr class.
Definition: TSMatSMatMultExpr.h:144
Header file for the reset shim.
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
MultTrait< RT1, RT2 >::Type ResultType
Result type for expression template evaluations.
Definition: TSMatSMatMultExpr.h:124
size_t nonZeros(size_t i) const
Returns the number of non-zero elements in the specified row.
Definition: TSMatSMatMultExpr.h:212
Header file for the isDefault shim.
LeftOperand leftOperand() const
Returns the left-hand side transpose sparse matrix operand.
Definition: TSMatSMatMultExpr.h:223
Header file for the RemoveReference type trait.
ResultType::ElementType ElementType
Resulting element type.
Definition: TSMatSMatMultExpr.h:127
Expression object for transpose sparse matrix-sparse matrix multiplications.The TSMatSMatMultExpr cla...
Definition: Forward.h:136
Substitution Failure Is Not An Error (SFINAE) class.The DisableIf class template is an auxiliary tool...
Definition: DisableIf.h:184
MT1::CompositeType CT1
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatSMatMultExpr.h:117
Header file for the IsDenseVector type trait.
Header file for the IsRowMajorMatrix type trait.
Header file for the IsComputation type trait class.
#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:2370
size_t columns(const Matrix< MT, SO > &m)
Returns the current number of columns of the matrix.
Definition: Matrix.h:154
Header file for basic type definitions.
Header file for the IsColumnVector type trait.
Header file for the IsResizable type trait.
size_t rows(const Matrix< MT, SO > &m)
Returns the current number of rows of the matrix.
Definition: Matrix.h:138
#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
#define BLAZE_CONSTRAINT_MUST_BE_SPARSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a sparse, N-dimensional matrix type...
Definition: SparseMatrix.h:79
Header file for the IsExpression type trait class.
Header file for the TSMatSVecMultExprTrait class template.
Header file for the FunctionTrace class.