35 #ifndef _BLAZE_MATH_EXPRESSIONS_TSVECTDMATMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_TSVECTDMATMULTEXPR_H_
89 class TSVecTDMatMultExpr :
public DenseVector< TSVecTDMatMultExpr<VT,MT>, true >
90 ,
private TVecMatMultExpr
114 template<
typename VT2 >
117 enum { value = useAssign };
148 enum { vectorizable = 0 };
151 enum { smpAssignable = 0 };
183 const ConstIterator end( x.end() );
184 ConstIterator element( x.begin() );
187 if( element != end ) {
188 res = element->value() *
mat_( element->index(), index );
190 for( ; element!=end; ++element )
191 res += element->value() *
mat_( element->index(), index );
207 return mat_.columns();
237 template<
typename T >
239 return vec_.isAliased( alias ) ||
mat_.isAliased( alias );
249 template<
typename T >
251 return vec_.isAliased( alias ) ||
mat_.isAliased( alias );
277 template<
typename VT2 >
289 if( x.nonZeros() == 0UL ) {
304 const ConstIterator end( x.end() );
306 for(
size_t i=0UL; i<(~lhs).
size(); ++i )
308 ConstIterator element( x.begin() );
310 (~lhs)[i] = element->value() * A(element->index(),i);
312 for( ; element!=end; ++element ) {
313 (~lhs)[i] += element->value() * A(element->index(),i);
333 template<
typename VT2 >
344 const ResultType tmp( rhs );
362 template<
typename VT2 >
373 if( x.nonZeros() == 0UL )
return;
385 const ConstIterator end( x.end() );
386 ConstIterator element( x.begin() );
388 for( ; element!=end; ++element ) {
389 for(
size_t i=0UL; i<A.columns(); ++i ) {
390 (~lhs)[i] += element->value() * A(element->index(),i);
412 template<
typename VT2 >
423 if( x.nonZeros() == 0UL )
return;
435 const ConstIterator end( x.end() );
436 ConstIterator element( x.begin() );
438 for( ; element!=end; ++element ) {
439 for(
size_t i=0UL; i<A.columns(); ++i ) {
440 (~lhs)[i] -= element->value() * A(element->index(),i);
462 template<
typename VT2 >
473 const ResultType tmp( rhs );
533 template<
typename T1,
typename T2 >
534 inline const typename DisableIf< IsMatMatMultExpr<T2>, TSVecTDMatMultExpr<T1,T2> >::Type
539 if( (~vec).
size() != (~mat).
rows() )
540 throw std::invalid_argument(
"Vector and matrix sizes do not match" );
557 template<
typename VT,
typename MT >
562 typedef typename MultExprTrait< VT, typename SubmatrixExprTrait<const MT>::Type >::Type Type;
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:89
void reset(DynamicMatrix< Type, SO > &m)
Resetting the given dense matrix.
Definition: DynamicMatrix.h:4512
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: TSVecTDMatMultExpr.h:238
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
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:196
#define BLAZE_CONSTRAINT_MUST_BE_DENSE_MATRIX_TYPE(T)
Constraint on the data type.In case the given data type T is not a dense, N-dimensional matrix type...
Definition: DenseMatrix.h:79
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: TSVecTDMatMultExpr.h:137
MT::ResultType MRT
Result type of the right-hand side dense matrix expression.
Definition: TSVecTDMatMultExpr.h:96
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2375
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:248
Header file for the DenseVector base class.
ResultType::ElementType ElementType
Resulting element type.
Definition: TSVecTDMatMultExpr.h:127
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
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.
VT::ResultType VRT
Result type of the left-hand side sparse vector expression.
Definition: TSVecTDMatMultExpr.h:95
Constraint on the data type.
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
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.
Header file for the multiplication trait.
RightOperand rightOperand() const
Returns the right-hand side transpose dense matrix operand.
Definition: TSVecTDMatMultExpr.h:226
#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
VT::CompositeType VCT
Composite type of the left-hand side sparse vector expression.
Definition: TSVecTDMatMultExpr.h:97
const Element * ConstIterator
Iterator over constant elements.
Definition: CompressedMatrix.h:2379
MultTrait< VRT, MRT >::Type ResultType
Result type for expression template evaluations.
Definition: TSVecTDMatMultExpr.h:125
Header file for the IsMatMatMultExpr type trait class.
LeftOperand vec_
Left-hand side sparse vector of the multiplication expression.
Definition: TSVecTDMatMultExpr.h:257
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
LeftOperand leftOperand() const
Returns the left-hand side sparse vector operand.
Definition: TSVecTDMatMultExpr.h:216
SelectType< useAssign, const ResultType, const TSVecTDMatMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: TSVecTDMatMultExpr.h:131
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TSVecTDMatMultExpr.h:128
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
SelectType< IsComputation< VT >::value, const VRT, VCT >::Type LT
Type for the assignment of the left-hand side sparse vector operand.
Definition: TSVecTDMatMultExpr.h:140
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: TSVecTDMatMultExpr.h:250
Constraint on the data type.
#define BLAZE_CONSTRAINT_MUST_BE_REFERENCE_TYPE(T)
Constraint on the data type.In case the given data type T is not a reference type, a compilation error is created.
Definition: Reference.h:78
Constraints on the storage order of matrix types.
Constraint on the data type.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: TSVecTDMatMultExpr.h:126
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
Header file for the EnableIf class template.
RightOperand mat_
Right-hand side dense matrix of the multiplication expression.
Definition: TSVecTDMatMultExpr.h:258
SelectType< IsExpression< VT >::value, const VT, const VT & >::Type LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: TSVecTDMatMultExpr.h:134
Header file for the SubmatrixExprTrait class template.
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
MT::CompositeType MCT
Composite type of the right-hand side dense matrix expression.
Definition: TSVecTDMatMultExpr.h:98
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.
Header file for the TVecMatMultExpr base class.
friend void addAssign(DenseVector< VT2, true > &lhs, const TSVecTDMatMultExpr &rhs)
Addition assignment of a transpose sparse vector-transpose dense matrix multiplication to a dense vec...
Definition: TSVecTDMatMultExpr.h:363
TSVecTDMatMultExpr(const VT &vec, const MT &mat)
Constructor for the TSVecTDMatMultExpr class.
Definition: TSVecTDMatMultExpr.h:160
Header file for the RemoveReference type trait.
MCT RT
Type for the assignment of the left-hand side dense matrix operand.
Definition: TSVecTDMatMultExpr.h:143
Expression object for transpose sparse vector-transpose dense matrix multiplications.The TSVecTDMatMultExpr class represents the compile time expression for multiplications between transpose sparse vectors and column-major dense matrices.
Definition: Forward.h:145
#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
TSVecTDMatMultExpr< VT, MT > This
Type of this TSVecTDMatMultExpr instance.
Definition: TSVecTDMatMultExpr.h:124
Header file for the IsComputation type trait class.
friend void multAssign(DenseVector< VT2, true > &lhs, const TSVecTDMatMultExpr &rhs)
Multiplication assignment of a transpose sparse vector-transpose dense matrix multiplication to a den...
Definition: TSVecTDMatMultExpr.h:463
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
friend void subAssign(DenseVector< VT2, true > &lhs, const TSVecTDMatMultExpr &rhs)
Subtraction assignment of a transpose sparse vector-transpose dense matrix multiplication to a dense ...
Definition: TSVecTDMatMultExpr.h:413
This ResultType
Result type for expression template evaluations.
Definition: CompressedMatrix.h:2370
size_t size() const
Returns the current size/dimension of the vector.
Definition: TSVecTDMatMultExpr.h:206
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: TSVecTDMatMultExpr.h:174
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.
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
Header file for the IsExpression type trait class.
Header file for the FunctionTrace class.