35 #ifndef _BLAZE_MATH_EXPRESSIONS_TDVECTSMATMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_TDVECTSMATMULTEXPR_H_
88 class TDVecTSMatMultExpr :
public DenseVector< TDVecTSMatMultExpr<VT,MT>, true >
89 ,
private TVecMatMultExpr
113 template<
typename VT2 >
116 enum { value = useAssign };
147 enum { vectorizable = 0 };
150 enum { smpAssignable = 0 };
182 const ConstIterator end( A.end(index) );
183 ConstIterator element( A.begin(index) );
186 if( element != end ) {
187 res = x[element->index()] * element->value();
189 for( ; element!=end; ++element )
190 res += x[element->index()] * element->value();
206 return mat_.columns();
236 template<
typename T >
238 return (
vec_.isAliased( alias ) ||
mat_.isAliased( alias ) );
248 template<
typename T >
250 return (
vec_.isAliased( alias ) ||
mat_.isAliased( alias ) );
275 template<
typename VT2 >
285 if( rhs.mat_.rows() == 0UL ) {
298 for(
size_t j=0UL; j<A.columns(); ++j )
300 const ConstIterator end( A.end(j) );
301 ConstIterator element( A.begin(j) );
303 if( element == end ) {
308 (~lhs)[j] = x[element->index()] * element->value();
310 for( ; element!=end; ++element ) {
311 (~lhs)[j] += x[element->index()] * element->value();
332 template<
typename VT2 >
344 const ResultType tmp( rhs );
364 template<
typename VT2 >
374 if( rhs.mat_.rows() == 0UL ) {
386 for(
size_t j=0UL; j<A.columns(); ++j ) {
387 const ConstIterator end( A.end(j) );
388 ConstIterator element( A.begin(j) );
390 for( ; element!=end; ++element ) {
391 (~lhs)[j] += x[element->index()] * element->value();
416 template<
typename VT2 >
426 if( rhs.mat_.rows() == 0UL ) {
438 for(
size_t j=0UL; j<A.columns(); ++j ) {
439 const ConstIterator end( A.end(j) );
440 ConstIterator element( A.begin(j) );
442 for( ; element!=end; ++element ) {
443 (~lhs)[j] -= x[element->index()] * element->value();
468 template<
typename VT2 >
480 const ResultType tmp( rhs );
540 template<
typename T1
542 inline const typename DisableIf< IsMatMatMultExpr<T2>, TDVecTSMatMultExpr<T1,T2> >::Type
547 if( (~vec).
size() != (~mat).
rows() )
548 throw std::invalid_argument(
"Vector and matrix sizes do not match" );
565 template<
typename VT,
typename MT >
570 typedef typename MultExprTrait< VT, typename SubmatrixExprTrait<const MT>::Type >::Type Type;
LeftOperand vec_
Left-hand side dense vector of the multiplication expression.
Definition: TDVecTSMatMultExpr.h:256
LeftOperand leftOperand() const
Returns the left-hand side dense vector operand.
Definition: TDVecTSMatMultExpr.h:215
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 isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: TDVecTSMatMultExpr.h:249
VT::ResultType VRT
Result type of the left-hand side dense vector expression.
Definition: TDVecTSMatMultExpr.h:94
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
TDVecTSMatMultExpr(const VT &vec, const MT &mat)
Constructor for the TDVecTSMatMultExpr class.
Definition: TDVecTSMatMultExpr.h:156
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:196
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: TDVecTSMatMultExpr.h:125
Expression object for transpose dense vector-transpose sparse matrix multiplications.The TDVecTSMatMultExpr class represents the compile time expression for multiplications between transpose dense vectors and column-major sparse matrices.
Definition: Forward.h:132
SelectType< useAssign, const ResultType, const TDVecTSMatMultExpr & >::Type CompositeType
Data type for composite expression templates.
Definition: TDVecTSMatMultExpr.h:130
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.
SelectType< IsComputation< VT >::value, const VRT, VCT >::Type LT
Composite type of the left-hand side dense vector expression.
Definition: TDVecTSMatMultExpr.h:139
Header file for the Computation base class.
Header file for the RequiresEvaluation type trait.
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: TDVecTSMatMultExpr.h:237
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.
SelectType< IsExpression< VT >::value, const VT, const VT & >::Type LeftOperand
Composite type of the left-hand side dense vector expression.
Definition: TDVecTSMatMultExpr.h:133
MCT RT
Composite type of the right-hand side sparse matrix expression.
Definition: TDVecTSMatMultExpr.h:142
friend EnableIf< UseAssign< VT2 > >::Type addAssign(DenseVector< VT2, true > &lhs, const TDVecTSMatMultExpr &rhs)
Addition assignment of a transpose dense vector-transpose sparse matrix multiplication to a dense vec...
Definition: TDVecTSMatMultExpr.h:366
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
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: TDVecTSMatMultExpr.h:136
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.
#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 IsMatMatMultExpr type trait class.
size_t size() const
Returns the current size/dimension of the vector.
Definition: TDVecTSMatMultExpr.h:205
friend EnableIf< UseAssign< VT2 > >::Type assign(DenseVector< VT2, true > &lhs, const TDVecTSMatMultExpr &rhs)
Assignment of a transpose dense vector-transpose sparse matrix multiplication to a dense vector ( )...
Definition: TDVecTSMatMultExpr.h:277
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.
Header file for the SelectType class template.
Header file for all forward declarations for expression class templates.
RightOperand mat_
Right-hand side sparse matrix of the multiplication expression.
Definition: TDVecTSMatMultExpr.h:257
Header file for the EnableIf class template.
MT::CompositeType MCT
Composite type of the right-hand side sparse matrix expression.
Definition: TDVecTSMatMultExpr.h:97
friend EnableIf< UseAssign< VT2 > >::Type assign(SparseVector< VT2, true > &lhs, const TDVecTSMatMultExpr &rhs)
Assignment of a transpose dense vector-transpose sparse matrix multiplication to a sparse vector ( )...
Definition: TDVecTSMatMultExpr.h:334
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: TDVecTSMatMultExpr.h:170
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
friend EnableIf< UseAssign< VT2 > >::Type multAssign(DenseVector< VT2, true > &lhs, const TDVecTSMatMultExpr &rhs)
Multiplication assignment of a transpose dense vector-transpose sparse matrix multiplication to a den...
Definition: TDVecTSMatMultExpr.h:470
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.
VT::CompositeType VCT
Composite type of the left-hand side dense vector expression.
Definition: TDVecTSMatMultExpr.h:96
Header file for the TVecMatMultExpr base class.
MultTrait< VRT, MRT >::Type ResultType
Result type for expression template evaluations.
Definition: TDVecTSMatMultExpr.h:124
RightOperand rightOperand() const
Returns the right-hand side transpose sparse matrix operand.
Definition: TDVecTSMatMultExpr.h:225
Header file for the RemoveReference type trait.
ResultType::ElementType ElementType
Resulting element type.
Definition: TDVecTSMatMultExpr.h:126
#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
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:2370
MT::ResultType MRT
Result type of the right-hand side sparse matrix expression.
Definition: TDVecTSMatMultExpr.h:95
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.
TDVecTSMatMultExpr< VT, MT > This
Type of this TDVecTSMatMultExpr instance.
Definition: TDVecTSMatMultExpr.h:123
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.
friend EnableIf< UseAssign< VT2 > >::Type subAssign(DenseVector< VT2, true > &lhs, const TDVecTSMatMultExpr &rhs)
Subtraction assignment of a transpose dense vector-transpose sparse matrix multiplication to a dense ...
Definition: TDVecTSMatMultExpr.h:418
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TDVecTSMatMultExpr.h:127
Header file for the FunctionTrace class.