35 #ifndef _BLAZE_MATH_EXPRESSIONS_TSMATDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_TSMATDVECMULTEXPR_H_
90 class TSMatDVecMultExpr :
public DenseVector< TSMatDVecMultExpr<MT,VT>, false >
91 ,
private MatVecMultExpr
136 enum { vectorizable = 0 };
139 enum { smpAssignable = 0 };
167 if(
vec_.size() > 0UL ) {
169 for(
size_t j=1UL; j<
vec_.size(); ++j )
216 template<
typename T >
218 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
228 template<
typename T >
230 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
254 template<
typename VT1 >
266 if( rhs.mat_.columns() == 0UL )
return;
276 for(
size_t j=0UL; j<A.columns(); ++j )
278 ConstIterator element( A.begin(j) );
279 const ConstIterator end( A.end(j) );
281 for( ; element!=end; ++element ) {
282 if(
isDefault( (~lhs)[element->index()] ) )
283 (~lhs)[element->index()] = element->value() * x[j];
285 (~lhs)[element->index()] += element->value() * x[j];
306 template<
typename VT1 >
318 if( rhs.mat_.columns() == 0UL )
return;
328 for(
size_t j=0UL; j<A.columns(); ++j )
330 ConstIterator element( A.begin(j) );
331 const ConstIterator end( A.end(j) );
333 for( ; element!=end; ++element ) {
334 (~lhs)[element->index()] += element->value() * x[j];
354 template<
typename VT1 >
387 template<
typename VT1 >
396 if( rhs.mat_.columns() == 0UL )
return;
406 for(
size_t j=0UL; j<A.columns(); ++j )
408 ConstIterator element( A.begin(j) );
409 const ConstIterator end( A.end(j) );
411 for( ; element!=end; ++element ) {
412 (~lhs)[element->index()] += element->value() * x[j];
439 template<
typename VT1 >
448 if( rhs.mat_.columns() == 0UL )
return;
458 for(
size_t j=0UL; j<A.columns(); ++j )
460 ConstIterator element( A.begin(j) );
461 const ConstIterator end( A.end(j) );
463 for( ; element!=end; ++element ) {
464 (~lhs)[element->index()] -= element->value() * x[j];
491 template<
typename VT1 >
563 template<
typename T1
565 inline const typename DisableIf< IsMatMatMultExpr<T1>, TSMatDVecMultExpr<T1,T2> >::Type
570 if( (~mat).
columns() != (~vec).size() )
571 throw std::invalid_argument(
"Matrix and vector sizes do not match" );
588 template<
typename MT,
typename VT >
589 struct SubvectorExprTrait< TSMatDVecMultExpr<MT,VT> >
593 typedef typename MultExprTrait< typename SubmatrixExprTrait<const MT>::Type, VT >::Type Type;
RightOperand vec_
Right-hand side dense vector of the multiplication expression.
Definition: TSMatDVecMultExpr.h:237
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:89
VT::CompositeType VCT
Composite type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:99
void reset(DynamicMatrix< Type, SO > &m)
Resetting the given dense matrix.
Definition: DynamicMatrix.h:4512
size_t size() const
Returns the current size/dimension of the vector.
Definition: TSMatDVecMultExpr.h:185
Expression object for transpose sparse matrix-dense vector multiplications.The TSMatDVecMultExpr clas...
Definition: Forward.h:135
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
#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:4555
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:196
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.
LeftOperand mat_
Left-hand side sparse matrix of the multiplication expression.
Definition: TSMatDVecMultExpr.h:236
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:104
Constraint on the data type.
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
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:250
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.
const ResultType CompositeType
Data type for composite expression templates.
Definition: TSMatDVecMultExpr.h:119
#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
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: TSMatDVecMultExpr.h:217
MultTrait< MRT, VRT >::Type ResultType
Result type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:115
Header file for the IsMatMatMultExpr type trait class.
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
Base class for N-dimensional dense vectors.The DenseVector class is a base class for all arbitrarily ...
Definition: DenseVector.h:70
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.
void multAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the multiplication assignment of a matrix to a matrix.
Definition: Matrix.h:269
SelectType< evaluateVector, const VRT, VCT >::Type RT
Type for the assignment of the right-hand side dense vector operand.
Definition: TSMatDVecMultExpr.h:131
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
TSMatDVecMultExpr(const MT &mat, const VT &vec)
Constructor for the TSMatDVecMultExpr class.
Definition: TSMatDVecMultExpr.h:148
Header file for the EnableIf class template.
SelectType< IsExpression< VT >::value, const VT, const VT & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:125
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: TSMatDVecMultExpr.h:229
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
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
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.
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
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:118
Header file for the isDefault shim.
VT::ResultType VRT
Result type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:97
TSMatDVecMultExpr< MT, VT > This
Type of this TSMatDVecMultExpr instance.
Definition: TSMatDVecMultExpr.h:114
MT::ResultType MRT
Result type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:96
Header file for the RemoveReference type trait.
Substitution Failure Is Not An Error (SFINAE) class.The DisableIf class template is an auxiliary tool...
Definition: DisableIf.h:184
ResultType::ElementType ElementType
Resulting element type.
Definition: TSMatDVecMultExpr.h:117
LeftOperand leftOperand() const
Returns the left-hand side transpose sparse matrix operand.
Definition: TSMatDVecMultExpr.h:195
#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
MT::CompositeType MCT
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:98
Header file for the IsComputation type trait class.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: TSMatDVecMultExpr.h:162
MCT LT
Type for the assignment of the left-hand side sparse matrix operand.
Definition: TSMatDVecMultExpr.h:128
#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
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: TSMatDVecMultExpr.h:205
Header file for basic type definitions.
Header file for the SubvectorExprTrait class template.
Header file for the MatVecMultExpr base class.
Header file for the IsResizable type trait.
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:116
#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 FunctionTrace class.
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:122