Public Types | Public Member Functions | Private Types | Private Attributes | List of all members
blaze::TSMatTDMatMultExpr< MT1, MT2 > Class Template Reference

Expression object for transpose sparse matrix-transpose dense matrix multiplications.The TSMatTDMatMultExpr class represents the compile time expression for multiplications between a column-major sparse matrix and a column-major dense matrix. More...

#include <TSMatTDMatMultExpr.h>

Inherits blaze::DenseMatrix< TSMatTDMatMultExpr< MT1, MT2 >, true >, blaze::MatMatMultExpr, and blaze::Computation.

Public Types

enum  { vectorizable = 0 }
 Compilation switch for the expression template evaluation strategy.
 
enum  { smpAssignable }
 Compilation switch for the expression template assignment strategy.
 
typedef TSMatTDMatMultExpr< MT1, MT2 > This
 Type of this TSMatTDMatMultExpr instance.
 
typedef MultTrait< RT1, RT2 >::Type ResultType
 Result type for expression template evaluations.
 
typedef ResultType::OppositeType OppositeType
 Result type with opposite storage order for expression template evaluations.
 
typedef ResultType::TransposeType TransposeType
 Transpose type for expression template evaluations.
 
typedef ResultType::ElementType ElementType
 Resulting element type.
 
typedef const ElementType ReturnType
 Return type for expression template evaluations.
 
typedef const ResultType CompositeType
 Data type for composite expression templates.
 
typedef SelectType< IsExpression< MT1 >::value, const MT1, const MT1 & >::Type LeftOperand
 Composite type of the left-hand side sparse matrix expression.
 
typedef SelectType< IsExpression< MT2 >::value, const MT2, const MT2 & >::Type RightOperand
 Composite type of the right-hand side dense matrix expression.
 
typedef SelectType< evaluateLeft, const RT1, CT1 >::Type LT
 Type for the assignment of the left-hand side sparse matrix operand.
 
typedef SelectType< evaluateRight, const RT2, CT2 >::Type RT
 Type for the assignment of the right-hand side dense matrix operand.
 
typedef MT MatrixType
 Type of the matrix.
 

Public Member Functions

 TSMatTDMatMultExpr (const MT1 &lhs, const MT2 &rhs)
 Constructor for the TSMatTDMatMultExpr class. More...
 
ReturnType operator() (size_t i, size_t j) const
 2D-access to the matrix elements. More...
 
ReturnType at (size_t i, size_t j) const
 Checked access to the matrix elements. More...
 
size_t rows () const
 Returns the current number of rows of the matrix. More...
 
size_t columns () const
 Returns the current number of columns of the matrix. More...
 
LeftOperand leftOperand () const
 Returns the left-hand side transpose sparse matrix operand. More...
 
RightOperand rightOperand () const
 Returns the right-hand side transpose dense matrix operand. More...
 
template<typename T >
bool canAlias (const T *alias) const
 Returns whether the expression can alias with the given address alias. More...
 
template<typename T >
bool isAliased (const T *alias) const
 Returns whether the expression is aliased with the given address alias. More...
 
bool isAligned () const
 Returns whether the operands of the expression are properly aligned in memory. More...
 
bool canSMPAssign () const
 Returns whether the expression can be used in SMP assignments. More...
 
BLAZE_ALWAYS_INLINE MatrixTypeoperator~ ()
 Conversion operator for non-constant matrices. More...
 
BLAZE_ALWAYS_INLINE const MatrixTypeoperator~ () const
 Conversion operator for constant matrices. More...
 

Private Types

enum  { evaluateLeft = IsComputation<MT1>::value || RequiresEvaluation<MT1>::value }
 Compilation switch for the composite type of the left-hand side sparse matrix expression.
 
enum  { evaluateRight = IsComputation<MT2>::value || RequiresEvaluation<MT2>::value }
 Compilation switch for the composite type of the right-hand side dense matrix expression.
 
typedef MT1::ResultType RT1
 Result type of the left-hand side sparse matrix expression.
 
typedef MT2::ResultType RT2
 Result type of the right-hand side dense matrix expression.
 
typedef RT1::ElementType ET1
 Element type of the left-hand side dense matrix expression.
 
typedef RT2::ElementType ET2
 Element type of the right-hand side sparse matrix expression.
 
typedef MT1::CompositeType CT1
 Composite type of the left-hand side sparse matrix expression.
 
typedef MT2::CompositeType CT2
 Composite type of the right-hand side dense matrix expression.
 

Private Attributes

LeftOperand lhs_
 Left-hand side sparse matrix of the multiplication expression.
 
RightOperand rhs_
 Right-hand side dense matrix of the multiplication expression.
 

Detailed Description

template<typename MT1, typename MT2>
class blaze::TSMatTDMatMultExpr< MT1, MT2 >

Expression object for transpose sparse matrix-transpose dense matrix multiplications.

The TSMatTDMatMultExpr class represents the compile time expression for multiplications between a column-major sparse matrix and a column-major dense matrix.

Constructor & Destructor Documentation

template<typename MT1 , typename MT2 >
blaze::TSMatTDMatMultExpr< MT1, MT2 >::TSMatTDMatMultExpr ( const MT1 &  lhs,
const MT2 &  rhs 
)
inlineexplicit

Constructor for the TSMatTDMatMultExpr class.

Parameters
lhsThe left-hand side sparse matrix operand of the multiplication expression.
rhsThe right-hand side dense matrix operand of the multiplication expression.

Member Function Documentation

template<typename MT1 , typename MT2 >
ReturnType blaze::TSMatTDMatMultExpr< MT1, MT2 >::at ( size_t  i,
size_t  j 
) const
inline

Checked access to the matrix elements.

Parameters
iAccess index for the row. The index has to be in the range $[0..M-1]$.
jAccess index for the column. The index has to be in the range $[0..N-1]$.
Returns
The resulting value.
Exceptions
std::out_of_rangeInvalid matrix access index.
template<typename MT1 , typename MT2 >
template<typename T >
bool blaze::TSMatTDMatMultExpr< MT1, MT2 >::canAlias ( const T *  alias) const
inline

Returns whether the expression can alias with the given address alias.

Parameters
aliasThe alias to be checked.
Returns
true in case the expression can alias, false otherwise.
template<typename MT1 , typename MT2 >
bool blaze::TSMatTDMatMultExpr< MT1, MT2 >::canSMPAssign ( ) const
inline

Returns whether the expression can be used in SMP assignments.

Returns
true in case the expression can be used in SMP assignments, false if not.
template<typename MT1 , typename MT2 >
size_t blaze::TSMatTDMatMultExpr< MT1, MT2 >::columns ( ) const
inline

Returns the current number of columns of the matrix.

Returns
The number of columns of the matrix.
template<typename MT1 , typename MT2 >
template<typename T >
bool blaze::TSMatTDMatMultExpr< MT1, MT2 >::isAliased ( const T *  alias) const
inline

Returns whether the expression is aliased with the given address alias.

Parameters
aliasThe alias to be checked.
Returns
true in case an alias effect is detected, false otherwise.
template<typename MT1 , typename MT2 >
bool blaze::TSMatTDMatMultExpr< MT1, MT2 >::isAligned ( ) const
inline

Returns whether the operands of the expression are properly aligned in memory.

Returns
true in case the operands are aligned, false if not.
template<typename MT1 , typename MT2 >
LeftOperand blaze::TSMatTDMatMultExpr< MT1, MT2 >::leftOperand ( ) const
inline

Returns the left-hand side transpose sparse matrix operand.

Returns
The left-hand side transpose sparse matrix operand.
template<typename MT1 , typename MT2 >
ReturnType blaze::TSMatTDMatMultExpr< MT1, MT2 >::operator() ( size_t  i,
size_t  j 
) const
inline

2D-access to the matrix elements.

Parameters
iAccess index for the row. The index has to be in the range $[0..M-1]$.
jAccess index for the column. The index has to be in the range $[0..N-1]$.
Returns
The resulting value.
template<typename MT, bool SO>
BLAZE_ALWAYS_INLINE MatrixType& blaze::Matrix< MT, SO >::operator~ ( )
inlineinherited

Conversion operator for non-constant matrices.

Returns
Reference of the actual type of the matrix.
template<typename MT, bool SO>
BLAZE_ALWAYS_INLINE const MatrixType& blaze::Matrix< MT, SO >::operator~ ( ) const
inlineinherited

Conversion operator for constant matrices.

Returns
Constant reference of the actual type of the matrix.
template<typename MT1 , typename MT2 >
RightOperand blaze::TSMatTDMatMultExpr< MT1, MT2 >::rightOperand ( ) const
inline

Returns the right-hand side transpose dense matrix operand.

Returns
The right-hand side transpose dense matrix operand.
template<typename MT1 , typename MT2 >
size_t blaze::TSMatTDMatMultExpr< MT1, MT2 >::rows ( ) const
inline

Returns the current number of rows of the matrix.

Returns
The number of rows of the matrix.

The documentation for this class was generated from the following files: