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Fix rule-of-3 for the Tensor module.

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Adds copy constructors to Tensor ops, inherits assignment operators from
`TensorBase`.

Addresses #1863
This commit is contained in:
Antonio Sanchez
2020-11-12 15:59:29 -08:00
committed by Antonio Sánchez
parent 60218829b7
commit 3669498f5a
14 changed files with 110 additions and 263 deletions
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34
unsupported/Eigen/CXX11/src/Tensor/TensorStriding.h
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@@ -54,14 +54,15 @@ template<typename Strides, typename XprType>
class TensorStridingOp : public TensorBase<TensorStridingOp<Strides, XprType> >
{
public:
typedef typename Eigen::internal::traits<TensorStridingOp>::Scalar Scalar;
typedef typename Eigen::NumTraits<Scalar>::Real RealScalar;
typedef typename XprType::CoeffReturnType CoeffReturnType;
typedef typename Eigen::internal::nested<TensorStridingOp>::type Nested;
typedef typename Eigen::internal::traits<TensorStridingOp>::StorageKind StorageKind;
typedef typename Eigen::internal::traits<TensorStridingOp>::Index Index;
typedef TensorBase<TensorStridingOp<Strides, XprType> > Base;
typedef typename Eigen::internal::traits<TensorStridingOp>::Scalar Scalar;
typedef typename Eigen::NumTraits<Scalar>::Real RealScalar;
typedef typename XprType::CoeffReturnType CoeffReturnType;
typedef typename Eigen::internal::nested<TensorStridingOp>::type Nested;
typedef typename Eigen::internal::traits<TensorStridingOp>::StorageKind StorageKind;
typedef typename Eigen::internal::traits<TensorStridingOp>::Index Index;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorStridingOp(const XprType& expr, const Strides& dims)
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE TensorStridingOp(const XprType& expr, const Strides& dims)
: m_xpr(expr), m_dims(dims) {}
EIGEN_DEVICE_FUNC
@@ -71,24 +72,7 @@ class TensorStridingOp : public TensorBase<TensorStridingOp<Strides, XprType> >
const typename internal::remove_all<typename XprType::Nested>::type&
expression() const { return m_xpr; }
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE TensorStridingOp& operator = (const TensorStridingOp& other)
{
typedef TensorAssignOp<TensorStridingOp, const TensorStridingOp> Assign;
Assign assign(*this, other);
internal::TensorExecutor<const Assign, DefaultDevice>::run(assign, DefaultDevice());
return *this;
}
template<typename OtherDerived>
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE TensorStridingOp& operator = (const OtherDerived& other)
{
typedef TensorAssignOp<TensorStridingOp, const OtherDerived> Assign;
Assign assign(*this, other);
internal::TensorExecutor<const Assign, DefaultDevice>::run(assign, DefaultDevice());
return *this;
}
EIGEN_TENSOR_INHERIT_ASSIGNMENT_OPERATORS(TensorStridingOp)
protected:
typename XprType::Nested m_xpr;