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make ei_traist<Select> honors nested types

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This commit is contained in:
Gael Guennebaud 2009-01-12 15:55:56 +00:00
parent a7554023a4
commit b26e12abcf
1 changed files with 6 additions and 3 deletions
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9
Eigen/src/Array/Select.h
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@ -45,15 +45,18 @@ template<typename ConditionMatrixType, typename ThenMatrixType, typename ElseMat
struct ei_traits<Select<ConditionMatrixType, ThenMatrixType, ElseMatrixType> >
{
typedef typename ei_traits<ThenMatrixType>::Scalar Scalar;
typedef typename ConditionMatrixType::Nested ConditionMatrixNested;
typedef typename ThenMatrixType::Nested ThenMatrixNested;
typedef typename ElseMatrixType::Nested ElseMatrixNested;
enum {
RowsAtCompileTime = ConditionMatrixType::RowsAtCompileTime,
ColsAtCompileTime = ConditionMatrixType::ColsAtCompileTime,
MaxRowsAtCompileTime = ConditionMatrixType::MaxRowsAtCompileTime,
MaxColsAtCompileTime = ConditionMatrixType::MaxColsAtCompileTime,
Flags = (unsigned int)ThenMatrixType::Flags & ElseMatrixType::Flags & HereditaryBits,
CoeffReadCost = ei_traits<ConditionMatrixType>::CoeffReadCost
+ EIGEN_ENUM_MAX(ei_traits<ThenMatrixType>::CoeffReadCost,
ei_traits<ElseMatrixType>::CoeffReadCost)
CoeffReadCost = ei_traits<typename ei_cleantype<ConditionMatrixNested>::type>::CoeffReadCost
+ EIGEN_ENUM_MAX(ei_traits<typename ei_cleantype<ThenMatrixNested>::type>::CoeffReadCost,
ei_traits<typename ei_cleantype<ElseMatrixNested>::type>::CoeffReadCost)
};
};