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The tensor assignment code now resizes the destination tensor as needed.

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This commit is contained in:
Benoit Steiner 2014-07-31 17:39:04 -07:00
parent 2116e261fb
commit 647622281e
1 changed files with 3 additions and 6 deletions
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9
unsupported/Eigen/CXX11/src/Tensor/Tensor.h
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@ -79,6 +79,7 @@ class Tensor : public TensorBase<Tensor<Scalar_, NumIndices_, Options_> >
};
static const int Options = Options_;
static const std::size_t NumIndices = NumIndices_;
typedef DSizes<DenseIndex, NumIndices_> Dimensions;
@ -232,11 +233,9 @@ class Tensor : public TensorBase<Tensor<Scalar_, NumIndices_, Options_> >
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE Tensor& operator=(const Tensor& other)
{
// FIXME: we need to resize the tensor to fix the dimensions of the other.
// Unfortunately this isn't possible yet when the rhs is an expression.
// resize(other.dimensions());
typedef TensorAssignOp<Tensor, const Tensor> Assign;
Assign assign(*this, other);
resize(TensorEvaluator<const Assign, DefaultDevice>(assign, DefaultDevice()).dimensions());
internal::TensorExecutor<const Assign, DefaultDevice>::run(assign, DefaultDevice());
return *this;
}
@ -244,11 +243,9 @@ class Tensor : public TensorBase<Tensor<Scalar_, NumIndices_, Options_> >
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE Tensor& operator=(const OtherDerived& other)
{
// FIXME: we need to resize the tensor to fix the dimensions of the other.
// Unfortunately this isn't possible yet when the rhs is an expression.
// resize(other.dimensions());
typedef TensorAssignOp<Tensor, const OtherDerived> Assign;
Assign assign(*this, other);
resize(TensorEvaluator<const Assign, DefaultDevice>(assign, DefaultDevice()).dimensions());
internal::TensorExecutor<const Assign, DefaultDevice>::run(assign, DefaultDevice());
return *this;
}