// This file is part of Eigen, a lightweight C++ template library // for linear algebra. // // Copyright (C) 2014 Benoit Steiner <[email protected]> // // 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_CXX11_TENSOR_TENSOR_MAP_H #define EIGEN_CXX11_TENSOR_TENSOR_MAP_H // IWYU pragma: private #include "./InternalHeaderCheck.h" namespace Eigen { // FIXME use proper doxygen documentation (e.g. \tparam MakePointer_) /** \class TensorMap * \ingroup CXX11_Tensor_Module * * \brief A tensor expression mapping an existing array of data. * */ /// `template <class> class MakePointer_` is added to convert the host pointer to the device pointer. /// It is added due to the fact that for our device compiler `T*` is not allowed. /// If we wanted to use the same Evaluator functions we have to convert that type to our pointer `T`. /// This is done through our `MakePointer_` class. By default the Type in the `MakePointer_<T>` is `T*` . /// Therefore, by adding the default value, we managed to convert the type and it does not break any /// existing code as its default value is `T*`. template <typename PlainObjectType, int Options_, template <class> class MakePointer_> class TensorMap : public TensorBase<TensorMap<PlainObjectType, Options_, MakePointer_> > { … }; } // end namespace Eigen #endif // EIGEN_CXX11_TENSOR_TENSOR_MAP_H
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