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-rw-r--r--unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h b/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
index 4ca6b3d8c..05c684ff9 100644
--- a/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
+++ b/unsupported/Eigen/CXX11/src/Tensor/TensorEvaluator.h
@@ -95,6 +95,18 @@ struct TensorEvaluator
return internal::ploadt<PacketReturnType, LoadMode>(m_data + index);
}
+ // Return a packet starting at `index` where `umask` specifies which elements
+ // have to be loaded. Type/size of mask depends on PacketReturnType, e.g. for
+ // Packet16f, `umask` is of type uint16_t and if a bit is 1, corresponding
+ // float element will be loaded, otherwise 0 will be loaded.
+ // Function has been templatized to enable Sfinae.
+ template <typename PacketReturnTypeT = PacketReturnType> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
+ typename internal::enable_if<internal::unpacket_traits<PacketReturnTypeT>::masked_load_available, PacketReturnTypeT>::type
+ partialPacket(Index index, typename internal::unpacket_traits<PacketReturnTypeT>::mask_t umask) const
+ {
+ return internal::ploadu<PacketReturnTypeT>(m_data + index, umask);
+ }
+
template <int StoreMode> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
void writePacket(Index index, const PacketReturnType& x)
{
@@ -244,6 +256,18 @@ struct TensorEvaluator<const Derived, Device>
return internal::ploadt_ro<PacketReturnType, LoadMode>(m_data + index);
}
+ // Return a packet starting at `index` where `umask` specifies which elements
+ // have to be loaded. Type/size of mask depends on PacketReturnType, e.g. for
+ // Packet16f, `umask` is of type uint16_t and if a bit is 1, corresponding
+ // float element will be loaded, otherwise 0 will be loaded.
+ // Function has been templatized to enable Sfinae.
+ template <typename PacketReturnTypeT = PacketReturnType> EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
+ typename internal::enable_if<internal::unpacket_traits<PacketReturnTypeT>::masked_load_available, PacketReturnTypeT>::type
+ partialPacket(Index index, typename internal::unpacket_traits<PacketReturnTypeT>::mask_t umask) const
+ {
+ return internal::ploadu<PacketReturnTypeT>(m_data + index, umask);
+ }
+
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE CoeffReturnType coeff(const array<DenseIndex, NumCoords>& coords) const {
eigen_assert(m_data);
const Index index = (static_cast<int>(Layout) == static_cast<int>(ColMajor)) ? m_dims.IndexOfColMajor(coords)