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| author |  Benoit Steiner <benoit.steiner.goog@gmail.com> | 2015-10-20 11:41:22 -0700 |
|---|---|---|
| committer | Benoit Steiner <benoit.steiner.goog@gmail.com> | 2015-10-20 11:41:22 -0700 |
| commit | eaf4b98180d7606abba69133e39e23537ced79e5 (patch) | |
| tree | a9f9adc1fc6dfa452e3dc1393371096b5c668c6b /unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h | |
| parent | f5c1587e4e7d9e3e5a57deedff8d27b866a0a47b (diff) | |
Added support for boolean reductions (ie 'and' & 'or' reductions)
Diffstat (limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h')
| -rw-r--r-- | unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h b/unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h index ed259399b..a98c6a2e3 100644 --- a/unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h +++ b/unsupported/Eigen/CXX11/src/Tensor/TensorFunctors.h @@ -219,6 +219,33 @@ template <typename T> struct ProdReducer }; +struct AndReducer +{ + static const bool PacketAccess = false; + EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(bool t, bool* accum) const { + *accum = *accum && t; + } + EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE bool initialize() const { + return true; + } + EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE bool finalize(bool accum) const { + return accum; + } +}; + +struct OrReducer { + static const bool PacketAccess = false; + EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE void reduce(bool t, bool* accum) const { + *accum = *accum || t; + } + EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE bool initialize() const { + return false; + } + EIGEN_DEVICE_FUNC EIGEN_STRONG_INLINE bool finalize(bool accum) const { + return accum; + } +}; + // Argmin/Argmax reducers template <typename T> struct ArgMaxTupleReducer { |