devtools/eigen
1
0
Fork 0
mirror of https://gitlab.com/libeigen/eigen.git synced 2026-04-10 11:34:33 +08:00
Code Issues Packages Projects Releases Wiki Activity

adapt select, replicate and reverse

Browse Source
This commit is contained in:
Gael Guennebaud
2009-12-10 22:00:35 +01:00
parent 8e05f9cfa1
commit 7caf751fdd
12 changed files with 71 additions and 94 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
Eigen/src/Array/Select.h
View File

@@ -36,9 +36,9 @@
* \param ElseMatrixType the type of the \em else expression
*
* This class represents an expression of a coefficient wise version of the C++ ternary operator ?:.
* It is the return type of MatrixBase::select() and most of the time this is the only way it is used.
* It is the return type of DenseBase::select() and most of the time this is the only way it is used.
*
* \sa MatrixBase::select(const MatrixBase<ThenDerived>&, const MatrixBase<ElseDerived>&) const
* \sa DenseBase::select(const DenseBase<ThenDerived>&, const DenseBase<ElseDerived>&) const
*/
template<typename ConditionMatrixType, typename ThenMatrixType, typename ElseMatrixType>
@@ -63,11 +63,12 @@ struct ei_traits<Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> >
template<typename ConditionMatrixType, typename ThenMatrixType, typename ElseMatrixType>
class Select : ei_no_assignment_operator,
public MatrixBase<Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> >
public ConditionMatrixType::template MakeBase< Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> >::Type
{
public:
EIGEN_GENERIC_PUBLIC_INTERFACE(Select)
typedef typename ConditionMatrixType::template MakeBase< Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> >::Type Base;
_EIGEN_GENERIC_PUBLIC_INTERFACE(Select)
Select(const ConditionMatrixType& conditionMatrix,
const ThenMatrixType& thenMatrix,
@@ -117,23 +118,23 @@ class Select : ei_no_assignment_operator,
template<typename Derived>
template<typename ThenDerived,typename ElseDerived>
inline const Select<Derived,ThenDerived,ElseDerived>
MatrixBase<Derived>::select(const MatrixBase<ThenDerived>& thenMatrix,
const MatrixBase<ElseDerived>& elseMatrix) const
DenseBase<Derived>::select(const DenseBase<ThenDerived>& thenMatrix,
const DenseBase<ElseDerived>& elseMatrix) const
{
return Select<Derived,ThenDerived,ElseDerived>(derived(), thenMatrix.derived(), elseMatrix.derived());
}
/** \array_module
*
* Version of MatrixBase::select(const MatrixBase&, const MatrixBase&) with
* Version of DenseBase::select(const DenseBase&, const DenseBase&) with
* the \em else expression being a scalar value.
*
* \sa MatrixBase::select(const MatrixBase<ThenDerived>&, const MatrixBase<ElseDerived>&) const, class Select
* \sa DenseBase::select(const DenseBase<ThenDerived>&, const DenseBase<ElseDerived>&) const, class Select
*/
template<typename Derived>
template<typename ThenDerived>
inline const Select<Derived,ThenDerived, NestByValue<typename ThenDerived::ConstantReturnType> >
MatrixBase<Derived>::select(const MatrixBase<ThenDerived>& thenMatrix,
DenseBase<Derived>::select(const DenseBase<ThenDerived>& thenMatrix,
typename ThenDerived::Scalar elseScalar) const
{
return Select<Derived,ThenDerived,NestByValue<typename ThenDerived::ConstantReturnType> >(
@@ -142,16 +143,16 @@ MatrixBase<Derived>::select(const MatrixBase<ThenDerived>& thenMatrix,
/** \array_module
*
* Version of MatrixBase::select(const MatrixBase&, const MatrixBase&) with
* Version of DenseBase::select(const DenseBase&, const DenseBase&) with
* the \em then expression being a scalar value.
*
* \sa MatrixBase::select(const MatrixBase<ThenDerived>&, const MatrixBase<ElseDerived>&) const, class Select
* \sa DenseBase::select(const DenseBase<ThenDerived>&, const DenseBase<ElseDerived>&) const, class Select
*/
template<typename Derived>
template<typename ElseDerived>
inline const Select<Derived, NestByValue<typename ElseDerived::ConstantReturnType>, ElseDerived >
MatrixBase<Derived>::select(typename ElseDerived::Scalar thenScalar,
const MatrixBase<ElseDerived>& elseMatrix) const
DenseBase<Derived>::select(typename ElseDerived::Scalar thenScalar,
const DenseBase<ElseDerived>& elseMatrix) const
{
return Select<Derived,NestByValue<typename ElseDerived::ConstantReturnType>,ElseDerived>(
derived(), ElseDerived::Constant(rows(),cols(),thenScalar), elseMatrix.derived());