Expression object for sparse matrix-sparse vector multiplications.The SMatSVecMultExpr class represents the compile time expression for multiplications between row-major sparse matrices and sparse vectors.
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#include <SMatSVecMultExpr.h>
Inherits blaze::MatVecMultExpr< SparseVector< SMatSVecMultExpr< MT, VT >, false > >, and blaze::Computation.
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using | This = SMatSVecMultExpr< MT, VT > |
| Type of this SMatSVecMultExpr instance.
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using | BaseType = SparseVector< This, false > |
| Base type of this SMatSVecMultExpr instance.
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using | ResultType = MultTrait_t< MRT, VRT > |
| Result type for expression template evaluations.
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using | TransposeType = TransposeType_t< ResultType > |
| Transpose type for expression template evaluations.
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using | ElementType = ElementType_t< ResultType > |
| Resulting element type.
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using | ReturnType = const ElementType |
| Return type for expression template evaluations.
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using | CompositeType = const ResultType |
| Data type for composite expression templates.
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using | LeftOperand = If_t< IsExpression_v< MT >, const MT, const MT & > |
| Composite type of the left-hand side sparse matrix expression.
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using | RightOperand = If_t< IsExpression_v< VT >, const VT, const VT & > |
| Composite type of the right-hand side sparse vector expression.
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using | LT = If_t< evaluateMatrix, const MRT, MCT > |
| Type for the assignment of the left-hand side sparse matrix operand.
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using | RT = If_t< evaluateVector, const VRT, VCT > |
| Type for the assignment of the right-hand side sparse vector operand.
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using | VectorType = SMatSVecMultExpr< MT, VT > |
| Type of the vector.
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static constexpr bool | smpAssignable |
| Compilation switch for the expression template assignment strategy. More...
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static constexpr bool | transposeFlag |
| Transpose flag of the vector.
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using | MRT = ResultType_t< MT > |
| Result type of the left-hand side sparse matrix expression.
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using | VRT = ResultType_t< VT > |
| Result type of the right-hand side sparse vector expression.
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using | MCT = CompositeType_t< MT > |
| Composite type of the left-hand side sparse matrix expression.
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using | VCT = CompositeType_t< VT > |
| Composite type of the right-hand side sparse vector expression.
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LeftOperand | mat_ |
| Left-hand side sparse matrix of the multiplication expression.
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RightOperand | vec_ |
| Right-hand side sparse vector of the multiplication expression.
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template<typename MT, typename VT>
class blaze::SMatSVecMultExpr< MT, VT >
Expression object for sparse matrix-sparse vector multiplications.
The SMatSVecMultExpr class represents the compile time expression for multiplications between row-major sparse matrices and sparse vectors.
◆ SMatSVecMultExpr()
template<typename MT , typename VT >
Constructor for the SMatSVecMultExpr class.
- Parameters
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mat | The left-hand side sparse matrix operand of the multiplication expression. |
vec | The right-hand side sparse vector operand of the multiplication expression. |
◆ at()
template<typename MT , typename VT >
Checked access to the vector elements.
- Parameters
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index | Access index. The index has to be in the range . |
- Returns
- The resulting value.
- Exceptions
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std::out_of_range | Invalid vector access index. |
◆ canAlias()
template<typename MT , typename VT >
template<typename T >
Returns whether the expression can alias with the given address alias.
- Parameters
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alias | The alias to be checked. |
- Returns
- true in case the expression can alias, false otherwise.
◆ canSMPAssign()
template<typename MT , typename VT >
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.
◆ isAliased()
template<typename MT , typename VT >
template<typename T >
Returns whether the expression is aliased with the given address alias.
- Parameters
-
alias | The alias to be checked. |
- Returns
- true in case an alias effect is detected, false otherwise.
◆ leftOperand()
template<typename MT , typename VT >
Returns the left-hand side sparse matrix operand.
- Returns
- The left-hand side sparse matrix operand.
◆ nonZeros()
template<typename MT , typename VT >
Returns an estimation for the number of non-zero elements in the sparse vector.
- Returns
- The estimate for the number of non-zero elements in the sparse vector.
◆ operator[]()
template<typename MT , typename VT >
Subscript operator for the direct access to the vector elements.
- Parameters
-
index | Access index. The index has to be in the range . |
- Returns
- The resulting value.
◆ operator~() [1/2]
Conversion operator for non-constant vectors.
- Returns
- Reference of the actual type of the vector.
◆ operator~() [2/2]
Conversion operator for constant vectors.
- Returns
- Const reference of the actual type of the vector.
◆ rightOperand()
template<typename MT , typename VT >
Returns the right-hand side sparse vector operand.
- Returns
- The right-hand side sparse vector operand.
◆ size()
template<typename MT , typename VT >
Returns the current size/dimension of the vector.
- Returns
- The size of the vector.
◆ smpAssignable
template<typename MT , typename VT >
Initial value:
Compilation switch for the expression template assignment strategy.
The documentation for this class was generated from the following files: