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Added support for fixed sized tensors of rank 0

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This commit is contained in:
Benoit Steiner 2015-10-29 17:31:03 -07:00
parent 0d7a23d34e
commit 3785c69294
1 changed files with 30 additions and 0 deletions
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30
unsupported/Eigen/CXX11/src/Tensor/TensorFixedSize.h
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@ -90,6 +90,14 @@ class TensorFixedSize : public TensorBase<TensorFixedSize<Scalar_, Dimensions_,
return m_storage.data()[index]; return m_storage.data()[index];
} }
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const Scalar& coeff() const
{
EIGEN_STATIC_ASSERT(NumIndices == 0, YOU_MADE_A_PROGRAMMING_MISTAKE);
return m_storage.data()[0];
}
#ifdef EIGEN_HAS_VARIADIC_TEMPLATES #ifdef EIGEN_HAS_VARIADIC_TEMPLATES
template<typename... IndexTypes> template<typename... IndexTypes>
inline Scalar& coeffRef(Index firstIndex, IndexTypes... otherIndices) inline Scalar& coeffRef(Index firstIndex, IndexTypes... otherIndices)
@ -114,6 +122,14 @@ class TensorFixedSize : public TensorBase<TensorFixedSize<Scalar_, Dimensions_,
return m_storage.data()[index]; return m_storage.data()[index];
} }
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE Scalar& coeffRef()
{
EIGEN_STATIC_ASSERT(NumIndices == 0, YOU_MADE_A_PROGRAMMING_MISTAKE);
return m_storage.data()[0];
}
#ifdef EIGEN_HAS_VARIADIC_TEMPLATES #ifdef EIGEN_HAS_VARIADIC_TEMPLATES
template<typename... IndexTypes> template<typename... IndexTypes>
inline const Scalar& operator()(Index firstIndex, IndexTypes... otherIndices) const inline const Scalar& operator()(Index firstIndex, IndexTypes... otherIndices) const
@ -138,6 +154,13 @@ class TensorFixedSize : public TensorBase<TensorFixedSize<Scalar_, Dimensions_,
return coeff(index); return coeff(index);
} }
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const Scalar& operator()() const
{
EIGEN_STATIC_ASSERT(NumIndices == 0, YOU_MADE_A_PROGRAMMING_MISTAKE);
return coeff();
}
EIGEN_DEVICE_FUNC EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE const Scalar& operator[](Index index) const EIGEN_STRONG_INLINE const Scalar& operator[](Index index) const
{ {
@ -170,6 +193,13 @@ class TensorFixedSize : public TensorBase<TensorFixedSize<Scalar_, Dimensions_,
return coeffRef(index); return coeffRef(index);
} }
EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE Scalar& operator()()
{
EIGEN_STATIC_ASSERT(NumIndices == 0, YOU_MADE_A_PROGRAMMING_MISTAKE);
return coeffRef();
}
EIGEN_DEVICE_FUNC EIGEN_DEVICE_FUNC
EIGEN_STRONG_INLINE Scalar& operator[](Index index) EIGEN_STRONG_INLINE Scalar& operator[](Index index)
{ {