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Fix bugs to make min- and max reducers with correctly with IEEE infinities.

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This commit is contained in:
Rasmus Munk Larsen 2016-08-31 15:04:16 -07:00
parent 7ae819123c
commit a1e092d1e8
1 changed files with 10 additions and 4 deletions
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10
unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h
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@ -200,9 +200,12 @@ template <typename T> struct MaxReducer
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reducePacket(const Packet& p, Packet* accum) const {
(*accum) = pmax<Packet>(*accum, p);
}
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE T initialize() const {
if (Eigen::NumTraits<T>::IsInteger) {
return Eigen::NumTraits<T>::lowest();
} else {
return -Eigen::NumTraits<T>::infinity();
}
}
template <typename Packet>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet initializePacket() const {
@ -242,9 +245,12 @@ template <typename T> struct MinReducer
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reducePacket(const Packet& p, Packet* accum) const {
(*accum) = pmin<Packet>(*accum, p);
}
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE T initialize() const {
if (Eigen::NumTraits<T>::IsInteger) {
return Eigen::NumTraits<T>::highest();
} else {
return Eigen::NumTraits<T>::infinity();
}
}
template <typename Packet>
EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE Packet initializePacket() const {