35 #ifndef _BLAZE_MATH_EXPRESSIONS_TSMATDVECMULTEXPR_H_
36 #define _BLAZE_MATH_EXPRESSIONS_TSMATDVECMULTEXPR_H_
98 class TSMatDVecMultExpr :
public DenseVector< TSMatDVecMultExpr<MT,VT>, false >
99 ,
private MatVecMultExpr
100 ,
private Computation
126 template<
typename T1 >
127 struct UseSMPAssign {
128 enum { value = ( evaluateMatrix || evaluateVector ) };
157 enum { vectorizable = 0 };
160 enum { smpAssignable = !evaluateMatrix && MT::smpAssignable &&
161 !evaluateVector && VT::smpAssignable };
189 if(
vec_.size() > 0UL ) {
191 for(
size_t j=1UL; j<
vec_.size(); ++j )
238 template<
typename T >
240 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
250 template<
typename T >
252 return (
mat_.isAliased( alias ) ||
vec_.isAliased( alias ) );
262 return vec_.isAligned();
295 template<
typename VT2 >
304 if( rhs.mat_.columns() == 0UL )
return;
306 LT A(
serial( rhs.mat_ ) );
307 RT x(
serial( rhs.vec_ ) );
314 TSMatDVecMultExpr::selectAssignKernel( ~lhs, A, x );
333 template<
typename VT1
336 static inline void selectAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
340 for(
size_t j=0UL; j<A.columns(); ++j )
342 ConstIterator element( A.begin(j) );
343 const ConstIterator
end( A.end(j) );
345 for( ; element!=
end; ++element ) {
348 y[element->index()] = element->value() * x[j];
350 y[element->index()] += element->value() * x[j];
370 template<
typename VT2 >
381 const ResultType tmp(
serial( rhs ) );
400 template<
typename VT2 >
407 if( rhs.mat_.columns() == 0UL )
return;
409 LT A(
serial( rhs.mat_ ) );
410 RT x(
serial( rhs.vec_ ) );
417 TSMatDVecMultExpr::selectAddAssignKernel( ~lhs, A, x );
436 template<
typename VT1
439 static inline void selectAddAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
443 for(
size_t j=0UL; j<A.columns(); ++j )
445 ConstIterator element( A.begin(j) );
446 const ConstIterator
end( A.end(j) );
448 for( ; element!=
end; ++element ) {
449 y[element->index()] += element->value() * x[j];
473 template<
typename VT2 >
482 if( rhs.mat_.columns() == 0UL )
return;
484 LT A(
serial( rhs.mat_ ) );
485 RT x(
serial( rhs.vec_ ) );
492 TSMatDVecMultExpr::selectSubAssignKernel( ~lhs, A, x );
511 template<
typename VT1
514 static inline void selectSubAssignKernel( VT1& y,
const MT1& A,
const VT2& x )
518 for(
size_t j=0UL; j<A.columns(); ++j )
520 ConstIterator element( A.begin(j) );
521 const ConstIterator
end( A.end(j) );
523 for( ; element!=
end; ++element ) {
524 y[element->index()] -= element->value() * x[j];
548 template<
typename VT2 >
559 const ResultType tmp(
serial( rhs ) );
584 template<
typename VT2 >
585 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
594 if( rhs.mat_.columns() == 0UL )
return;
624 template<
typename VT2 >
625 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
636 const ResultType tmp( rhs );
657 template<
typename VT2 >
658 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
665 if( rhs.mat_.columns() == 0UL )
return;
699 template<
typename VT2 >
700 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
709 if( rhs.mat_.columns() == 0UL )
return;
743 template<
typename VT2 >
744 friend inline typename EnableIf< UseSMPAssign<VT2> >::Type
755 const ResultType tmp( rhs );
818 template<
typename T1
820 inline const typename DisableIf< Or< IsSymmetric<T1>, IsMatMatMultExpr<T1> >
821 , TSMatDVecMultExpr<T1,T2> >::Type
827 throw std::invalid_argument(
"Matrix and vector sizes do not match" );
857 template<
typename T1
859 inline const typename EnableIf< IsSymmetric<T1>,
typename MultExprTrait<T1,T2>::Type >::Type
860 operator*(
const SparseMatrix<T1,true>& mat,
const DenseVector<T2,false>& vec )
867 throw std::invalid_argument(
"Matrix and vector sizes do not match" );
869 return trans( ~mat ) * (~vec);
885 template<
typename MT,
typename VT >
903 template<
typename MT,
typename VT,
bool AF >
908 typedef typename MultExprTrait< typename SubmatrixExprTrait<const MT,AF>::Type
909 ,
typename SubvectorExprTrait<const VT,AF>::Type >::Type Type;
LeftOperand mat_
Left-hand side sparse matrix of the multiplication expression.
Definition: TSMatDVecMultExpr.h:278
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:89
BLAZE_ALWAYS_INLINE 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:879
Expression object for transpose sparse matrix-dense vector multiplications.The TSMatDVecMultExpr clas...
Definition: Forward.h:139
Header file for the Rows type trait.
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:8247
Header file for basic type definitions.
BLAZE_ALWAYS_INLINE MT::Iterator end(Matrix< MT, SO > &matrix, size_t i)
Returns an iterator just past the last element of row/column i.
Definition: Matrix.h:258
#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
Efficient implementation of a compressed matrix.The CompressedMatrix class template is the represent...
Definition: CompressedMatrix.h:209
const ResultType CompositeType
Data type for composite expression templates.
Definition: TSMatDVecMultExpr.h:140
TSMatDVecMultExpr< MT, VT > This
Type of this TSMatDVecMultExpr instance.
Definition: TSMatDVecMultExpr.h:135
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:821
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:2507
ResultType::TransposeType TransposeType
Transpose type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:137
Type ElementType
Type of the sparse matrix elements.
Definition: CompressedMatrix.h:261
bool canAlias(const T *alias) const
Returns whether the expression can alias with the given address alias.
Definition: TSMatDVecMultExpr.h:239
Header file for the DenseVector base class.
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:699
Header file for the Computation base class.
MT::ResultType MRT
Result type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:104
Header file for the RequiresEvaluation type trait.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: TSMatDVecMultExpr.h:184
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:107
bool isDefault(const DiagonalProxy< MT > &proxy)
Returns whether the represented element is in default state.
Definition: DiagonalProxy.h:861
SelectType< evaluateVector, const VRT, VCT >::Type RT
Type for the assignment of the right-hand side dense vector operand.
Definition: TSMatDVecMultExpr.h:152
Constraint on the data type.
Constraint on the data type.
RightOperand vec_
Right-hand side dense vector of the multiplication expression.
Definition: TSMatDVecMultExpr.h:279
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< VT >::value, const VT, const VT & >::Type RightOperand
Composite type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:146
const This & CompositeType
Data type for composite expression templates.
Definition: CompressedMatrix.h:263
TSMatDVecMultExpr(const MT &mat, const VT &vec)
Constructor for the TSMatDVecMultExpr class.
Definition: TSMatDVecMultExpr.h:170
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.
size_t size() const
Returns the current size/dimension of the vector.
Definition: TSMatDVecMultExpr.h:207
Header file for the IsSymmetric type trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
#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:2511
Header file for the Or class template.
Header file for the IsMatMatMultExpr type trait class.
BLAZE_ALWAYS_INLINE 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:635
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_NOT_BE_MATMATMULTEXPR_TYPE(T)
Constraint on the data type.In case the given data type T is a matrix/matrix multiplication expressio...
Definition: MatMatMultExpr.h:126
#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
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_MATVECMULTEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid matrix/vector ...
Definition: MatVecMultExpr.h:166
LeftOperand leftOperand() const
Returns the left-hand side transpose sparse matrix operand.
Definition: TSMatDVecMultExpr.h:217
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.
VT::ResultType VRT
Result type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:105
Header file for the EnableIf class template.
Header file for the serial shim.
bool isAliased(const T *alias) const
Returns whether the expression is aliased with the given address alias.
Definition: TSMatDVecMultExpr.h:251
Compile time check for resizable data types.This type trait tests whether the given data type is a re...
Definition: IsResizable.h:75
VT::CompositeType VCT
Composite type of the right-hand side dense vector expression.
Definition: TSMatDVecMultExpr.h:107
EnableIf< IsDenseMatrix< MT1 > >::Type smpSubAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP subtraction assignment of a matrix to dense matrix.
Definition: DenseMatrix.h:160
#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:116
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.
EnableIf< IsDenseMatrix< MT1 > >::Type smpAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:98
Base template for the MultTrait class.
Definition: MultTrait.h:150
BLAZE_ALWAYS_INLINE 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:742
bool isAligned() const
Returns whether the operands of the expression are properly aligned in memory.
Definition: TSMatDVecMultExpr.h:261
Header file for the reset shim.
bool canSMPAssign() const
Returns whether the expression can be used in SMP assignments.
Definition: TSMatDVecMultExpr.h:271
Header file for the isDefault shim.
SelectType< IsExpression< MT >::value, const MT, const MT & >::Type LeftOperand
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:143
MultTrait< MRT, VRT >::Type ResultType
Result type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:136
const size_t SMP_TSMATDVECMULT_THRESHOLD
SMP column-major sparse matrix/dense vector multiplication threshold.This threshold specifies when a ...
Definition: Thresholds.h:529
ResultType::ElementType ElementType
Resulting element type.
Definition: TSMatDVecMultExpr.h:138
Header file for the RemoveReference type trait.
MT::CompositeType MCT
Composite type of the left-hand side sparse matrix expression.
Definition: TSMatDVecMultExpr.h:106
SelectType< evaluateMatrix, const MRT, MCT >::Type LT
Type for the assignment of the left-hand side sparse matrix operand.
Definition: TSMatDVecMultExpr.h:149
#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
RightOperand rightOperand() const
Returns the right-hand side dense vector operand.
Definition: TSMatDVecMultExpr.h:227
const DMatTransExpr< MT,!SO > trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:937
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TSMatDVecMultExpr.h:139
Header file for the IsComputation type trait class.
EnableIf< IsDenseMatrix< MT1 > >::Type smpAddAssign(Matrix< MT1, SO1 > &lhs, const Matrix< MT2, SO2 > &rhs)
Default implementation of the SMP addition assignment of a matrix to a dense matrix.
Definition: DenseMatrix.h:129
#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:2502
BLAZE_ALWAYS_INLINE size_t columns(const Matrix< MT, SO > &matrix)
Returns the current number of columns of the matrix.
Definition: Matrix.h:332
Header file for the SubvectorExprTrait class template.
Constraint on the data type.
Header file for the MatVecMultExpr base class.
Constraint on the data type.
Header file for the IsResizable type trait.
EnableIf< IsDenseVector< VT1 > >::Type smpMultAssign(Vector< VT1, TF1 > &lhs, const Vector< VT2, TF2 > &rhs)
Default implementation of the SMP multiplication assignment of a vector to a dense vector...
Definition: DenseVector.h:189
Header file for the Size type trait.
Header file for the thresholds for matrix/vector and matrix/matrix multiplications.
#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.
BLAZE_ALWAYS_INLINE 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:849