35 #ifndef _BLAZE_MATH_EXPRESSIONS_TSVECTSMATMULTEXPR_H_ 36 #define _BLAZE_MATH_EXPRESSIONS_TSVECTSMATMULTEXPR_H_ 95 class TSVecTSMatMultExpr :
public SparseVector< TSVecTSMatMultExpr<VT,MT>, true >
96 ,
private TVecMatMultExpr
123 template<
typename T1 >
124 struct UseSMPAssign {
125 enum :
bool { value = ( evaluateVector || evaluateMatrix ) };
154 enum :
bool { smpAssignable = !evaluateVector && VT::smpAssignable &&
155 !evaluateMatrix && MT::smpAssignable };
191 inline ReturnType
at(
size_t index )
const {
192 if( index >=
mat_.columns() ) {
195 return (*
this)[index];
204 inline size_t size() const noexcept {
205 return mat_.columns();
215 return mat_.columns();
245 template<
typename T >
246 inline bool canAlias(
const T* alias )
const noexcept {
247 return (
vec_.isAliased( alias ) ||
mat_.isAliased( alias ) );
257 template<
typename T >
258 inline bool isAliased(
const T* alias )
const noexcept {
259 return (
vec_.isAliased( alias ) ||
mat_.isAliased( alias ) );
269 return (
size() > SMP_TSVECSMATMULT_THRESHOLD );
292 template<
typename VT1 >
303 LT x(
serial( rhs.vec_ ) );
304 if( x.nonZeros() == 0UL )
return;
307 RT A(
serial( rhs.mat_ ) );
316 TSVecTSMatMultExpr::selectAssignKernel( ~lhs, x, A );
335 template<
typename VT1
338 static inline void selectAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
343 const VectorIterator vend( x.end() );
345 for(
size_t j=0UL; j<A.columns(); ++j )
347 const MatrixIterator mend ( A.end(j) );
348 MatrixIterator melem( A.begin(j) );
350 if( melem == mend )
continue;
352 VectorIterator velem( x.begin() );
355 if( velem->index() < melem->index() ) {
357 if( velem == vend )
break;
359 else if( melem->index() < velem->index() ) {
361 if( melem == mend )
break;
364 y[j] = velem->value() * melem->value();
371 if( velem != vend && melem != mend )
374 if( velem->index() < melem->index() ) {
376 if( velem == vend )
break;
378 else if( melem->index() < velem->index() ) {
380 if( melem == mend )
break;
383 y[j] += velem->value() * melem->value();
385 if( velem == vend )
break;
387 if( melem == mend )
break;
409 template<
typename VT1 >
420 LT x(
serial( rhs.vec_ ) );
421 if( x.nonZeros() == 0UL )
return;
424 RT A(
serial( rhs.mat_ ) );
434 const VectorIterator vend( x.end() );
436 for(
size_t j=0UL; j<A.columns(); ++j )
438 const MatrixIterator mend ( A.end(j) );
439 MatrixIterator melem( A.begin(j) );
441 if( melem == mend )
continue;
443 VectorIterator velem( x.begin() );
448 if( velem->index() < melem->index() ) {
450 if( velem == vend )
break;
452 else if( melem->index() < velem->index() ) {
454 if( melem == mend )
break;
457 accu = velem->value() * melem->value();
464 if( velem != vend && melem != mend )
467 if( velem->index() < melem->index() ) {
469 if( velem == vend )
break;
471 else if( melem->index() < velem->index() ) {
473 if( melem == mend )
break;
476 accu += velem->value() * melem->value();
478 if( velem == vend )
break;
480 if( melem == mend )
break;
486 (~lhs).insert( j, accu );
505 template<
typename VT1 >
513 LT x(
serial( rhs.vec_ ) );
514 if( x.nonZeros() == 0UL )
return;
517 RT A(
serial( rhs.mat_ ) );
526 TSVecTSMatMultExpr::selectAddAssignKernel( ~lhs, x, A );
545 template<
typename VT1
548 static inline void selectAddAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
553 const VectorIterator vend( x.end() );
555 for(
size_t j=0UL; j<A.columns(); ++j )
557 const MatrixIterator mend ( A.end(j) );
558 MatrixIterator melem( A.begin(j) );
560 if( melem == mend )
continue;
562 VectorIterator velem( x.begin() );
565 if( velem->index() < melem->index() ) {
567 if( velem == vend )
break;
569 else if( melem->index() < velem->index() ) {
571 if( melem == mend )
break;
574 y[j] += velem->value() * melem->value();
576 if( velem == vend )
break;
578 if( melem == mend )
break;
603 template<
typename VT1 >
611 LT x(
serial( rhs.vec_ ) );
612 if( x.nonZeros() == 0UL )
return;
615 RT A(
serial( rhs.mat_ ) );
624 TSVecTSMatMultExpr::selectSubAssignKernel( ~lhs, x, A );
643 template<
typename VT1
646 static inline void selectSubAssignKernel( VT1& y,
const VT2& x,
const MT1& A )
651 const VectorIterator vend( x.end() );
653 for(
size_t j=0UL; j<A.columns(); ++j )
655 const MatrixIterator mend ( A.end(j) );
656 MatrixIterator melem( A.begin(j) );
658 if( melem == mend )
continue;
660 VectorIterator velem( x.begin() );
663 if( velem->index() < melem->index() ) {
665 if( velem == vend )
break;
667 else if( melem->index() < velem->index() ) {
669 if( melem == mend )
break;
672 y[j] -= velem->value() * melem->value();
674 if( velem == vend )
break;
676 if( melem == mend )
break;
701 template<
typename VT1 >
712 const ResultType tmp(
serial( rhs ) );
713 multAssign( ~lhs, tmp );
737 template<
typename VT1 >
750 if( x.nonZeros() == 0UL )
return;
786 template<
typename VT1 >
796 if( x.nonZeros() == 0UL )
return;
832 template<
typename VT1 >
842 if( x.nonZeros() == 0UL )
return;
878 template<
typename VT1 >
890 const ResultType tmp( rhs );
953 template<
typename T1
960 if( (~vec).
size() != (~mat).
rows() ) {
992 template<
typename T1
1001 if( (~vec).
size() != (~mat).
rows() ) {
1005 return (~vec) *
trans( ~mat );
1021 template<
typename VT,
typename MT >
1022 struct Size< TSVecTSMatMultExpr<VT,MT> > :
public Columns<MT>
1038 template<
typename VT,
typename MT,
bool AF >
typename SubmatrixExprTrait< MT, AF >::Type SubmatrixExprTrait_
Auxiliary alias declaration for the SubmatrixExprTrait type trait.The SubmatrixExprTrait_ alias decla...
Definition: SubmatrixExprTrait.h:134
#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
size_t nonZeros() const
Returns an estimation for the number of non-zero elements in the sparse vector.
Definition: TSVecTSMatMultExpr.h:214
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
Evaluation of the expression type type of a subvector operation.Via this type trait it is possible to...
Definition: SubvectorExprTrait.h:79
Header file for basic type definitions.
Header file for the SparseVector base class.
ResultType_< MT > MRT
Result type of the right-hand side sparse matrix expression.
Definition: TSVecTSMatMultExpr.h:102
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:160
Header file for the serial shim.
CompositeType_< VT > VCT
Composite type of the left-hand side sparse vector expression.
Definition: TSVecTSMatMultExpr.h:103
const ElementType ReturnType
Return type for expression template evaluations.
Definition: TSVecTSMatMultExpr.h:136
bool canSMPAssign() const noexcept
Returns whether the expression can be used in SMP assignments.
Definition: TSVecTSMatMultExpr.h:268
void reset(const DiagonalProxy< MT > &proxy)
Resetting the represented element to the default initial values.
Definition: DiagonalProxy.h:533
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
typename DisableIf< Condition, T >::Type DisableIf_
Auxiliary type for the DisableIf class template.The DisableIf_ alias declaration provides a convenien...
Definition: DisableIf.h:223
MultTrait_< VRT, MRT > ResultType
Result type for expression template evaluations.
Definition: TSVecTSMatMultExpr.h:133
const DMatSerialExpr< MT, SO > serial(const DenseMatrix< MT, SO > &dm)
Forces the serial evaluation of the given dense matrix expression dm.
Definition: DMatSerialExpr.h:721
typename MultTrait< T1, T2 >::Type MultTrait_
Auxiliary alias declaration for the MultTrait class template.The MultTrait_ alias declaration provide...
Definition: MultTrait.h:245
Header file for the Computation base class.
RightOperand rightOperand() const noexcept
Returns the right-hand side transpose sparse matrix operand.
Definition: TSVecTSMatMultExpr.h:234
Header file for the RequiresEvaluation type trait.
typename T::ResultType ResultType_
Alias declaration for nested ResultType type definitions.The ResultType_ alias declaration provides a...
Definition: Aliases.h:323
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:129
ResultType_< VT > VRT
Result type of the left-hand side sparse vector expression.
Definition: TSVecTSMatMultExpr.h:101
Base class for sparse matrices.The SparseMatrix class is a base class for all sparse matrix classes...
Definition: Forward.h:119
Constraint on the data type.
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
bool isAliased(const T *alias) const noexcept
Returns whether the expression is aliased with the given address alias.
Definition: TSVecTSMatMultExpr.h:258
Constraint on the data type.
typename MultExprTrait< T1, T2 >::Type MultExprTrait_
Auxiliary alias declaration for the MultExprTrait class template.The MultExprTrait_ alias declaration...
Definition: MultExprTrait.h:344
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
RightOperand mat_
Right-hand side sparse matrix of the multiplication expression.
Definition: TSVecTSMatMultExpr.h:276
Header file for the DisableIf class template.
Header file for the multiplication trait.
Header file for the IsSymmetric type trait.
Namespace of the Blaze C++ math library.
Definition: Blaze.h:57
Header file for the If class template.
#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: ColumnMajorMatrix.h:61
CompositeType_< MT > MCT
Composite type of the right-hand side sparse matrix expression.
Definition: TSVecTSMatMultExpr.h:104
Expression object for sparse vector-sparse matrix multiplications.The TSVecTSMatMultExpr class repres...
Definition: Forward.h:163
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:98
Header file for the Or class template.
Header file for the IsMatMatMultExpr type trait class.
#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
Header file for the Columns type trait.
LeftOperand vec_
Left-hand side sparse vector of the multiplication expression.
Definition: TSVecTSMatMultExpr.h:275
typename T::ElementType ElementType_
Alias declaration for nested ElementType type definitions.The ElementType_ alias declaration provides...
Definition: Aliases.h:163
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
#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:89
#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:60
const ResultType CompositeType
Data type for composite expression templates.
Definition: TSVecTSMatMultExpr.h:137
Header file for the exception macros of the math module.
bool canAlias(const T *alias) const noexcept
Returns whether the expression can alias with the given address alias.
Definition: TSVecTSMatMultExpr.h:246
Header file for all forward declarations for expression class templates.
Constraint on the data type.
DisableIf_< Or< IsComputation< MT >, IsTransExpr< MT >, IsDeclExpr< MT > >, ColumnExprTrait_< MT > > column(Matrix< MT, SO > &matrix, size_t index)
Creating a view on a specific column of the given matrix.
Definition: Column.h:128
TSVecTSMatMultExpr< VT, MT > This
Type of this TSVecTSMatMultExpr instance.
Definition: TSVecTSMatMultExpr.h:132
Header file for the EnableIf class template.
TransposeType_< ResultType > TransposeType
Transpose type for expression template evaluations.
Definition: TSVecTSMatMultExpr.h:134
ElementType_< ResultType > ElementType
Resulting element type.
Definition: TSVecTSMatMultExpr.h:135
#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:79
If_< IsExpression< MT >, const MT, const MT &> RightOperand
Composite type of the right-hand side sparse matrix expression.
Definition: TSVecTSMatMultExpr.h:143
Header file for run time assertion macros.
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:160
Header file for the reset shim.
Constraint on the data type.
LeftOperand leftOperand() const noexcept
Returns the left-hand side sparse vector operand.
Definition: TSVecTSMatMultExpr.h:224
#define BLAZE_FUNCTION_TRACE
Function trace macro.This macro can be used to reliably trace function calls. In case function tracin...
Definition: FunctionTrace.h:93
Header file for the isDefault shim.
Header file for the TVecMatMultExpr base class.
Constraints on the storage order of matrix types.
If_< IsExpression< VT >, const VT, const VT &> LeftOperand
Composite type of the left-hand side sparse vector expression.
Definition: TSVecTSMatMultExpr.h:140
IfTrue_< evaluateMatrix, const MRT, MCT > RT
Type for the assignment of the right-hand side sparse matrix operand.
Definition: TSVecTSMatMultExpr.h:149
Header file for the RemoveReference type trait.
ReturnType operator[](size_t index) const
Subscript operator for the direct access to the vector elements.
Definition: TSVecTSMatMultExpr.h:178
typename EnableIf< Condition, T >::Type EnableIf_
Auxiliary alias declaration for the EnableIf class template.The EnableIf_ alias declaration provides ...
Definition: EnableIf.h:223
BLAZE_ALWAYS_INLINE size_t rows(const Matrix< MT, SO > &matrix) noexcept
Returns the current number of rows of the matrix.
Definition: Matrix.h:320
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:110
IfTrue_< evaluateVector, const VRT, VCT > LT
Type for the assignment of the left-hand side sparse vector operand.
Definition: TSVecTSMatMultExpr.h:146
const DMatTransExpr< MT,!SO > trans(const DenseMatrix< MT, SO > &dm)
Calculation of the transpose of the given dense matrix.
Definition: DMatTransExpr.h:733
Header file for the IsComputation type trait class.
size_t size() const noexcept
Returns the current size/dimension of the vector.
Definition: TSVecTSMatMultExpr.h:204
Compile time evaluation of the size of a vector.The Size type trait evaluates the size of the given v...
Definition: Size.h:75
Base class for sparse vectors.The SparseVector class is a base class for all arbitrarily sized (N-dim...
Definition: Forward.h:120
Compile time evaluation of the number of columns of a matrix.The Columns type trait evaluates the num...
Definition: Columns.h:76
#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
Compile time check whether the given type is a matrix/matrix multiplication expression template...
Definition: IsMatMatMultExpr.h:73
bool isDefault(const DiagonalProxy< MT > &proxy)
Returns whether the represented element is in default state.
Definition: DiagonalProxy.h:573
TSVecTSMatMultExpr(const VT &vec, const MT &mat) noexcept
Constructor for the TSVecTSMatMultExpr class.
Definition: TSVecTSMatMultExpr.h:164
typename T::TransposeType TransposeType_
Alias declaration for nested TransposeType type definitions.The TransposeType_ alias declaration prov...
Definition: Aliases.h:403
Constraint on the data type.
const DMatDMatMultExpr< T1, T2, false, false, false, false > 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:7505
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
ReturnType at(size_t index) const
Checked access to the vector elements.
Definition: TSVecTSMatMultExpr.h:191
Constraint on the transpose flag of vector types.
Header file for the IsExpression type trait class.
Header file for the function trace functionality.