35 #ifndef _BLAZE_MATH_EXPRESSIONS_TSVECSMATMULTEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_TSVECSMATMULTEXPR_H_ 94 class TSVecSMatMultExpr
95 :
public TVecMatMultExpr< SparseVector< TSVecSMatMultExpr<VT,MT>, true > >
122 template<
typename T1 >
123 struct UseSMPAssign {
124 enum :
bool { value = ( evaluateVector || evaluateMatrix ) };
153 enum :
bool { smpAssignable = !evaluateVector && VT::smpAssignable &&
154 !evaluateMatrix && MT::smpAssignable };
182 return vec_[index] *
mat_(index,index);
210 if( index >=
mat_.columns() ) {
213 return (*
this)[index];
222 inline size_t size() const noexcept {
223 return mat_.columns();
233 return mat_.columns();
263 template<
typename T >
264 inline bool canAlias(
const T* alias )
const noexcept {
265 return (
vec_.isAliased( alias ) ||
mat_.isAliased( alias ) );
275 template<
typename T >
276 inline bool isAliased(
const T* alias )
const noexcept {
277 return (
vec_.isAliased( alias ) ||
mat_.isAliased( alias ) );
287 return (
size() > SMP_TSVECSMATMULT_THRESHOLD );
310 template<
typename VT1 >
322 if( x.nonZeros() == 0UL )
return;
334 TSVecSMatMultExpr::selectAssignKernel( ~lhs, x, A );
353 template<
typename VT1
356 static inline void selectAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
361 const VectorIterator vend( x.end() );
362 VectorIterator velem( x.begin() );
364 for( ; velem!=vend; ++velem )
366 const MatrixIterator mend( A.end( velem->index() ) );
367 MatrixIterator melem( A.begin( velem->index() ) );
369 for( ; melem!=mend; ++melem ) {
372 y[melem->index()] = velem->value() * melem->value();
374 y[melem->index()] += velem->value() * melem->value();
393 template<
typename VT1 >
419 template<
typename VT1 >
428 if( x.nonZeros() == 0UL )
return;
440 TSVecSMatMultExpr::selectAddAssignKernel( ~lhs, x, A );
459 template<
typename VT1
462 static inline void selectAddAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
467 const VectorIterator vend( x.end() );
468 VectorIterator velem( x.begin() );
470 for( ; velem!=vend; ++velem )
472 const MatrixIterator mend( A.end( velem->index() ) );
473 MatrixIterator melem( A.begin( velem->index() ) );
475 for( ; melem!=mend; ++melem ) {
476 y[melem->index()] += velem->value() * melem->value();
500 template<
typename VT1 >
509 if( x.nonZeros() == 0UL )
return;
521 TSVecSMatMultExpr::selectSubAssignKernel( ~lhs, x, A );
540 template<
typename VT1
543 static inline void selectSubAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
548 const VectorIterator vend( x.end() );
549 VectorIterator velem( x.begin() );
551 for( ; velem!=vend; ++velem )
553 const MatrixIterator mend( A.end( velem->index() ) );
554 MatrixIterator melem( A.begin( velem->index() ) );
556 for( ; melem!=mend; ++melem ) {
557 y[melem->index()] -= velem->value() * melem->value();
581 template<
typename VT1 >
593 multAssign( ~lhs, tmp );
617 template<
typename VT1 >
630 if( x.nonZeros() == 0UL )
return;
666 template<
typename VT1 >
676 if( x.nonZeros() == 0UL )
return;
712 template<
typename VT1 >
722 if( x.nonZeros() == 0UL )
return;
758 template<
typename VT1 >
832 template<
typename VT
834 inline decltype(
auto)
841 if( (~vec).
size() != (~mat).
rows() ) {
861 template<
typename VT,
typename MT >
862 struct Size< TSVecSMatMultExpr<VT,MT> >
#define BLAZE_THROW_INVALID_ARGUMENT(MESSAGE)
Macro for the emission of a std::invalid_argument exception.This macro encapsulates the default way o...
Definition: Exception.h:235
Header file for auxiliary alias declarations.
Compile time check whether the given type is a computational expression template.This type trait clas...
Definition: IsComputation.h:72
MultTrait_< VRT, MRT > ResultType
Result type for expression template evaluations.
Definition: TSVecSMatMultExpr.h:132
Header file for basic type definitions.
Header file for the SparseVector base class.
Subvector< VT, AF > subvector(Vector< VT, TF > &vector, size_t index, size_t size)
Creating a view on a specific subvector of the given vector.
Definition: Subvector.h:322
EnableIf_< IsDenseMatrix< MT1 > > 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:164
Header file for the serial shim.
IfTrue_< evaluateMatrix, const MRT, MCT > RT
Type for the assignment of the right-hand side sparse matrix operand.
Definition: TSVecSMatMultExpr.h:148
IfTrue_< evaluateVector, const VRT, VCT > LT
Type for the assignment of the left-hand side sparse vector operand.
Definition: TSVecSMatMultExpr.h:145
BLAZE_ALWAYS_INLINE MT::Iterator begin(Matrix< MT, SO > &matrix, size_t i)
Returns an iterator to the first element of row/column i.
Definition: Matrix.h:198
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TSVecSMatMultExpr.h:135
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:560
EnableIf_< IsDenseVector< VT1 > > 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:193
Compile time check for lower triangular matrices.This type trait tests whether or not the given templ...
Definition: IsLower.h:88
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: TSVecSMatMultExpr.h:133
typename MultTrait< T1, T2 >::Type MultTrait_
Auxiliary alias declaration for the MultTrait class template.The MultTrait_ alias declaration provide...
Definition: MultTrait.h:250
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse vector operand.
Definition: TSVecSMatMultExpr.h:242
Column< MT > column(Matrix< MT, SO > &matrix, size_t index)
Creating a view on a specific column of the given matrix.
Definition: Column.h:124
Header file for the Computation base class.
CompositeType_< MT > MCT
Composite type of the right-hand side sparse matrix expression.
Definition: TSVecSMatMultExpr.h:103
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: TSVecSMatMultExpr.h:222
Compile time check for upper triangular matrices.This type trait tests whether or not the given templ...
Definition: IsUpper.h:88
Constraints on the storage order of matrix types.
Efficient implementation of an arbitrary sized vector.The DynamicVector class template is the represe...
Definition: DynamicVector.h:183
RightOperand mat_
Right-hand side sparse matrix of the multiplication expression.
Definition: TSVecSMatMultExpr.h:294
Header file for the RequiresEvaluation type trait.
If_< IsExpression< VT >, const VT, const VT &> LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: TSVecSMatMultExpr.h:139
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: TSVecSMatMultExpr.h:177
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:343
EnableIf_< IsDenseMatrix< MT1 > > 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:133
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: TSVecSMatMultExpr.h:264
Header file for the implementation of an arbitrarily sized vector.
TSVecSMatMultExpr(const VT &vec, const MT &mat) noexcept
Constructor for the TSVecSMatMultExpr class.
Definition: TSVecSMatMultExpr.h:163
ElementType_< ResultType > ElementType
Resulting element type.
Definition: TSVecSMatMultExpr.h:134
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:129
typename IfTrue< Condition, T1, T2 >::Type IfTrue_
Auxiliary alias declaration for the IfTrue class template.The IfTrue_ alias declaration provides a co...
Definition: If.h:109
Constraint on the data type.
Compile time check to query the requirement to evaluate an expression.Via this type trait it is possi...
Definition: RequiresEvaluation.h:72
typename T::CompositeType CompositeType_
Alias declaration for nested CompositeType type definitions.The CompositeType_ alias declaration prov...
Definition: Aliases.h:83
Header file for the DisableIf class template.
Header file for the multiplication trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the If class template.
Expression object for sparse vector-sparse matrix multiplications.The TSVecSMatMultExpr class represe...
Definition: Forward.h:174
EnableIf_< IsDenseMatrix< MT1 > > 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:102
#define BLAZE_THROW_OUT_OF_RANGE(MESSAGE)
Macro for the emission of a std::out_of_range exception.This macro encapsulates the default way of Bl...
Definition: Exception.h:331
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: TSVecSMatMultExpr.h:209
Header file for the Columns type trait.
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
size_t nonZeros() const
Returns an estimation for the number of non-zero elements in the sparse vector.
Definition: TSVecSMatMultExpr.h:232
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:61
Compile time check for diagonal matrices.This type trait tests whether or not the given template para...
Definition: IsDiagonal.h:90
#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:88
Header file for the exception macros of the math module.
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: TSVecSMatMultExpr.h:276
Compile time check for strictly upper triangular matrices.This type trait tests whether or not the gi...
Definition: IsStrictlyUpper.h:86
Constraint on the data type.
Header file for all forward declarations for expression class templates.
Constraint on the data type.
If_< IsExpression< MT >, const MT, const MT &> RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: TSVecSMatMultExpr.h:142
Header file for the EnableIf class template.
LeftOperand vec_
Left-hand side sparse vector of the multiplication expression.
Definition: TSVecSMatMultExpr.h:293
Compile time check for resizable data types.This type trait tests whether the given data type is a re...
Definition: IsResizable.h:75
#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: RowMajorMatrix.h:61
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: TSVecSMatMultExpr.h:286
Header file for run time assertion macros.
CompositeType_< VT > VCT
Composite type of the left-hand side sparse vector expression.
Definition: TSVecSMatMultExpr.h:102
typename If< T1, T2, T3 >::Type If_
Auxiliary alias declaration for the If class template.The If_ alias declaration provides a convenient...
Definition: If.h:154
ResultType_< MT > MRT
Result type of the right-hand side sparse matrix expression.
Definition: TSVecSMatMultExpr.h:101
Header file for the reset shim.
Constraint on the data type.
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:94
Header file for the isDefault shim.
Header file for the TVecMatMultExpr base class.
decltype(auto) serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:819
#define BLAZE_CONSTRAINT_MUST_NOT_REQUIRE_EVALUATION(T)
Constraint on the data type.In case the given data type T requires an intermediate evaluation within ...
Definition: RequiresEvaluation.h:81
ResultType_< VT > VRT
Result type of the left-hand side sparse vector expression.
Definition: TSVecSMatMultExpr.h:100
Header file for the RemoveReference type trait.
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:224
Compile time check for strictly lower triangular matrices.This type trait tests whether or not the gi...
Definition: IsStrictlyLower.h:86
BLAZE_ALWAYS_INLINE size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:324
const Type & ReturnType
Return type for expression template evaluations.
Definition: CompressedMatrix.h:3082
typename T::ConstIterator ConstIterator_
Alias declaration for nested ConstIterator type definitions.The ConstIterator_ alias declaration prov...
Definition: Aliases.h:103
#define BLAZE_CONSTRAINT_MUST_FORM_VALID_TVECMATMULTEXPR(T1, T2)
Constraint on the data type.In case the given data types T1 and T2 do not form a valid vector/matrix ...
Definition: TVecMatMultExpr.h:109
RightOperand rightOperand() const noexcept
Returns the right-hand side sparse matrix operand.
Definition: TSVecSMatMultExpr.h:252
Header file for the IsComputation type trait class.
const ResultType CompositeType
Data type for composite expression templates.
Definition: TSVecSMatMultExpr.h:136
Compile time evaluation of the size of a vector.The Size type trait evaluates the size of the given v...
Definition: Size.h:74
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:130
Compile time evaluation of the number of columns of a matrix.The Columns type trait evaluates the num...
Definition: Columns.h:75
#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: RowVector.h:61
bool isDefault(const DiagonalProxy< MT > &proxy)
Returns whether the represented element is in default state.
Definition: DiagonalProxy.h:600
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:423
Constraint on the data type.
Header file for the IsResizable type trait.
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:61
Constraint on the transpose flag of vector types.
Header file for the IsExpression type trait class.
Header file for the function trace functionality.