adapt CwiseUnaryOp and CwiseUnaryView

This commit is contained in:
Gael Guennebaud
2009-11-16 19:39:29 +01:00
parent 2a3a6fe45e
commit 1c9a2d246f
6 changed files with 341 additions and 311 deletions

View File

@@ -25,55 +25,42 @@
#ifndef EIGEN_SPARSE_CWISE_UNARY_OP_H
#define EIGEN_SPARSE_CWISE_UNARY_OP_H
template<typename UnaryOp, typename MatrixType>
struct ei_traits<SparseCwiseUnaryOp<UnaryOp, MatrixType> > : ei_traits<MatrixType>
{
typedef typename ei_result_of<
UnaryOp(typename MatrixType::Scalar)
>::type Scalar;
typedef typename MatrixType::Nested MatrixTypeNested;
typedef typename ei_unref<MatrixTypeNested>::type _MatrixTypeNested;
enum {
CoeffReadCost = _MatrixTypeNested::CoeffReadCost + ei_functor_traits<UnaryOp>::Cost
};
};
// template<typename UnaryOp, typename MatrixType>
// struct ei_traits<SparseCwiseUnaryOp<UnaryOp, MatrixType> > : ei_traits<MatrixType>
// {
// typedef typename ei_result_of<
// UnaryOp(typename MatrixType::Scalar)
// >::type Scalar;
// typedef typename MatrixType::Nested MatrixTypeNested;
// typedef typename ei_unref<MatrixTypeNested>::type _MatrixTypeNested;
// enum {
// CoeffReadCost = _MatrixTypeNested::CoeffReadCost + ei_functor_traits<UnaryOp>::Cost
// };
// };
template<typename UnaryOp, typename MatrixType>
class SparseCwiseUnaryOp : ei_no_assignment_operator,
public SparseMatrixBase<SparseCwiseUnaryOp<UnaryOp, MatrixType> >
class CwiseUnaryOpImp<UnaryOp,MatrixType,Sparse>
: public SparseMatrixBase<CwiseUnaryOp<UnaryOp, MatrixType> >
{
public:
class InnerIterator;
// typedef typename ei_unref<LhsNested>::type _LhsNested;
EIGEN_SPARSE_GENERIC_PUBLIC_INTERFACE(SparseCwiseUnaryOp)
inline SparseCwiseUnaryOp(const MatrixType& mat, const UnaryOp& func = UnaryOp())
: m_matrix(mat), m_functor(func) {}
EIGEN_STRONG_INLINE int rows() const { return m_matrix.rows(); }
EIGEN_STRONG_INLINE int cols() const { return m_matrix.cols(); }
// EIGEN_STRONG_INLINE const typename MatrixType::Nested& _matrix() const { return m_matrix; }
// EIGEN_STRONG_INLINE const UnaryOp& _functor() const { return m_functor; }
protected:
const typename MatrixType::Nested m_matrix;
const UnaryOp m_functor;
typedef CwiseUnaryOp<UnaryOp, MatrixType> Derived;
EIGEN_SPARSE_PUBLIC_INTERFACE(Derived)
};
template<typename UnaryOp, typename MatrixType>
class SparseCwiseUnaryOp<UnaryOp,MatrixType>::InnerIterator
class CwiseUnaryOpImpl<UnaryOp,MatrixType,Sparse>::InnerIterator
{
typedef typename SparseCwiseUnaryOp::Scalar Scalar;
typedef typename ei_traits<SparseCwiseUnaryOp>::_MatrixTypeNested _MatrixTypeNested;
typedef typename CwiseUnaryOpImpl::Scalar Scalar;
typedef typename ei_traits<CwiseUnaryOpImpl>::_MatrixTypeNested _MatrixTypeNested;
typedef typename _MatrixTypeNested::InnerIterator MatrixTypeIterator;
public:
EIGEN_STRONG_INLINE InnerIterator(const SparseCwiseUnaryOp& unaryOp, int outer)
: m_iter(unaryOp.m_matrix,outer), m_functor(unaryOp.m_functor)
: m_iter(unaryOp.nestedExpression(),outer), m_functor(unaryOp._functor())
{}
EIGEN_STRONG_INLINE InnerIterator& operator++()
@@ -92,6 +79,49 @@ class SparseCwiseUnaryOp<UnaryOp,MatrixType>::InnerIterator
const UnaryOp m_functor;
};
template<typename ViewOp, typename MatrixType>
class CwiseUnaryOpImp<ViewOp,MatrixType,Sparse>
: public SparseMatrixBase<CwiseUnaryView<ViewOp, MatrixType> >
{
public:
class InnerIterator;
// typedef typename ei_unref<LhsNested>::type _LhsNested;
typedef CwiseUnaryView<ViewOp, MatrixType> Derived;
EIGEN_SPARSE_PUBLIC_INTERFACE(Derived)
};
template<typename ViewOp, typename MatrixType>
class CwiseUnaryViewImpl<ViewOp,MatrixType,Sparse>::InnerIterator
{
typedef typename CwiseUnaryViewImpl::Scalar Scalar;
typedef typename ei_traits<SparseCwiseUnaryOp>::_MatrixTypeNested _MatrixTypeNested;
typedef typename _MatrixTypeNested::InnerIterator MatrixTypeIterator;
public:
EIGEN_STRONG_INLINE InnerIterator(const CwiseUnaryViewImpl& unaryView, int outer)
: m_iter(unaryView.nestedExpression(),outer), m_functor(unaryView._functor())
{}
EIGEN_STRONG_INLINE InnerIterator& operator++()
{ ++m_iter; return *this; }
EIGEN_STRONG_INLINE Scalar value() const { return m_functor(m_iter.value()); }
EIGEN_STRONG_INLINE int index() const { return m_iter.index(); }
EIGEN_STRONG_INLINE int row() const { return m_iter.row(); }
EIGEN_STRONG_INLINE int col() const { return m_iter.col(); }
EIGEN_STRONG_INLINE operator bool() const { return m_iter; }
protected:
MatrixTypeIterator m_iter;
const UnaryOp m_functor;
};
/*
template<typename Derived>
template<typename CustomUnaryOp>
EIGEN_STRONG_INLINE const SparseCwiseUnaryOp<CustomUnaryOp, Derived>
@@ -178,6 +208,6 @@ SparseMatrixBase<Derived>::operator/=(const Scalar& other)
for (typename Derived::InnerIterator i(derived(),j); i; ++i)
i.valueRef() /= other;
return derived();
}
}*/
#endif // EIGEN_SPARSE_CWISE_UNARY_OP_H