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author | Yi Kong <yikong@google.com> | 2022-02-25 15:53:09 +0000 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2022-02-25 15:53:09 +0000 |
commit | 10f298fc4175c1b8537c674f654a070c871960e5 (patch) | |
tree | fb979fb4cf4f8052c8cc66b1ec9516d91fcd859b /Eigen/src/Core/util/ReshapedHelper.h | |
parent | 892aea0d75825c43d5b630e2060622cbba23694c (diff) | |
parent | 79df15ea886a5fc1b85de433f9b3518c68934bae (diff) | |
download | eigen-10f298fc4175c1b8537c674f654a070c871960e5.tar.gz |
Merge changes Iee153445,Iee274471 am: 79df15ea88android-games-sdk-games-performance-tuner-releaseandroid-games-sdk-games-memory-advice-releaseandroid-games-sdk-games-frame-pacing-releaseandroid-games-sdk-games-controller-releaseandroid-games-sdk-game-text-input-releaseandroid-games-sdk-game-activity-release
Original change: https://android-review.googlesource.com/c/platform/external/eigen/+/1999079
Change-Id: I0c5108390c595f0d39af8797875f2b88accb7b56
Diffstat (limited to 'Eigen/src/Core/util/ReshapedHelper.h')
-rw-r--r-- | Eigen/src/Core/util/ReshapedHelper.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Eigen/src/Core/util/ReshapedHelper.h b/Eigen/src/Core/util/ReshapedHelper.h new file mode 100644 index 000000000..412432132 --- /dev/null +++ b/Eigen/src/Core/util/ReshapedHelper.h @@ -0,0 +1,51 @@ +// This file is part of Eigen, a lightweight C++ template library +// for linear algebra. +// +// Copyright (C) 2017 Gael Guennebaud <gael.guennebaud@inria.fr> +// +// This Source Code Form is subject to the terms of the Mozilla +// Public License v. 2.0. If a copy of the MPL was not distributed +// with this file, You can obtain one at http://mozilla.org/MPL/2.0/. + + +#ifndef EIGEN_RESHAPED_HELPER_H +#define EIGEN_RESHAPED_HELPER_H + +namespace Eigen { + +enum AutoSize_t { AutoSize }; +const int AutoOrder = 2; + +namespace internal { + +template<typename SizeType,typename OtherSize, int TotalSize> +struct get_compiletime_reshape_size { + enum { value = get_fixed_value<SizeType>::value }; +}; + +template<typename SizeType> +Index get_runtime_reshape_size(SizeType size, Index /*other*/, Index /*total*/) { + return internal::get_runtime_value(size); +} + +template<typename OtherSize, int TotalSize> +struct get_compiletime_reshape_size<AutoSize_t,OtherSize,TotalSize> { + enum { + other_size = get_fixed_value<OtherSize>::value, + value = (TotalSize==Dynamic || other_size==Dynamic) ? Dynamic : TotalSize / other_size }; +}; + +inline Index get_runtime_reshape_size(AutoSize_t /*size*/, Index other, Index total) { + return total/other; +} + +template<int Flags, int Order> +struct get_compiletime_reshape_order { + enum { value = Order == AutoOrder ? Flags & RowMajorBit : Order }; +}; + +} + +} // end namespace Eigen + +#endif // EIGEN_RESHAPED_HELPER_H |