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Advertize the packet api of the tensor reducers iff the corresponding packet primitives are available.

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This commit is contained in:
Benoit Steiner 2016-05-18 14:52:49 -07:00
parent 84df9142e7
commit bb3ff8e9d9
1 changed files with 5 additions and 5 deletions
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10
unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h
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@ -87,7 +87,7 @@ struct functor_traits<scalar_sigmoid_op<T> > {
// Standard reduction functors
template <typename T> struct SumReducer
{
static const bool PacketAccess = true;
static const bool PacketAccess = packet_traits<T>::HasAdd;
static const bool IsStateful = false;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) const {
@ -121,7 +121,7 @@ template <typename T> struct SumReducer
template <typename T> struct MeanReducer
{
static const bool PacketAccess = !NumTraits<T>::IsInteger;
static const bool PacketAccess = packet_traits<T>::HasAdd && !NumTraits<T>::IsInteger;
static const bool IsStateful = true;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE
@ -164,7 +164,7 @@ template <typename T> struct MeanReducer
template <typename T> struct MaxReducer
{
static const bool PacketAccess = true;
static const bool PacketAccess = packet_traits<T>::HasMax;
static const bool IsStateful = false;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) const {
@ -197,7 +197,7 @@ template <typename T> struct MaxReducer
template <typename T> struct MinReducer
{
static const bool PacketAccess = true;
static const bool PacketAccess = packet_traits<T>::HasMin;
static const bool IsStateful = false;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) const {
@ -231,7 +231,7 @@ template <typename T> struct MinReducer
template <typename T> struct ProdReducer
{
static const bool PacketAccess = true;
static const bool PacketAccess = packet_traits<T>::HasMul;
static const bool IsStateful = false;
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(const T t, T* accum) const {