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bug #875: remove broken SparseMatrixBase::nonZeros and introduce a nonZerosEstimate() method to sparse evaluators for internal uses.

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Factorize some code in SparseCompressedBase.
This commit is contained in:
Gael Guennebaud
2015-04-01 22:27:34 +02:00
parent 39dcd01b0a
commit 3105986e71
13 changed files with 90 additions and 59 deletions
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8
Eigen/src/SparseCore/SparseTranspose.h
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@@ -40,15 +40,11 @@ namespace internal {
};
}
// Implement nonZeros() for transpose. I'm not sure that's the best approach for that.
// Perhaps it should be implemented in Transpose<> itself.
template<typename MatrixType> class TransposeImpl<MatrixType,Sparse>
: public internal::SparseTransposeImpl<MatrixType>
{
protected:
typedef internal::SparseTransposeImpl<MatrixType> Base;
public:
inline Index nonZeros() const { return Base::derived().nestedExpression().nonZeros(); }
};
namespace internal {
@@ -61,6 +57,10 @@ struct unary_evaluator<Transpose<ArgType>, IteratorBased>
typedef typename evaluator<ArgType>::ReverseInnerIterator EvalReverseIterator;
public:
typedef Transpose<ArgType> XprType;
inline Index nonZerosEstimate() const {
return m_argImpl.nonZerosEstimate();
}
class InnerIterator : public EvalIterator
{