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Diffstat (limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorSyclTuple.h')
| -rw-r--r-- | unsupported/Eigen/CXX11/src/Tensor/TensorSyclTuple.h | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorSyclTuple.h b/unsupported/Eigen/CXX11/src/Tensor/TensorSyclTuple.h deleted file mode 100644 index 5385c7eac..000000000 --- a/unsupported/Eigen/CXX11/src/Tensor/TensorSyclTuple.h +++ /dev/null @@ -1,239 +0,0 @@ -// This file is part of Eigen, a lightweight C++ template library -// for linear algebra. -// -// Mehdi Goli Codeplay Software Ltd. -// Ralph Potter Codeplay Software Ltd. -// Luke Iwanski Codeplay Software Ltd. -// Contact: <eigen@codeplay.com> -// -// 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/. - -/***************************************************************** - * TensroSyclTuple.h - * - * \brief: - * Minimal implementation of std::tuple that can be used inside a SYCL kernel. - * -*****************************************************************/ - -#ifndef UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_TUPLE_HPP -#define UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_TUPLE_HPP - -namespace utility { -namespace tuple { -/// \struct StaticIf -/// \brief The StaticIf struct is used to statically choose the type based on the -/// condition. -template <bool, typename T = void> struct StaticIf; -/// \brief specialisation of the \ref StaticIf when the condition is true -template <typename T> -struct StaticIf<true, T> { - typedef T type; -}; - -/// \struct Tuple -/// \brief is a fixed-size collection of heterogeneous values -/// \tparam Ts... - the types of the elements that the tuple stores. -/// Empty list is supported. -template <class... Ts> -struct Tuple {}; - -/// \brief specialisation of the \ref Tuple class when the tuple has at least -/// one element. -/// \tparam T : the type of the first element in the tuple. -/// \tparam Ts... the rest of the elements in the tuple. Ts... can be empty. -template <class T, class... Ts> -struct Tuple<T, Ts...> { - Tuple(T t, Ts... ts) : head(t), tail(ts...) {} - T head; - Tuple<Ts...> tail; -}; - -///\ struct ElemTypeHolder -/// \brief ElemTypeHolder class is used to specify the types of the -/// elements inside the tuple -/// \tparam size_t the number of elements inside the tuple -/// \tparam class the tuple class -template <size_t, class> -struct ElemTypeHolder; - -/// \brief specialisation of the \ref ElemTypeHolder class when the number of -/// elements inside the tuple is 1 -template <class T, class... Ts> -struct ElemTypeHolder<0, Tuple<T, Ts...> > { - typedef T type; -}; - -/// \brief specialisation of the \ref ElemTypeHolder class when the number of -/// elements inside the tuple is bigger than 1. It recursively calls itself to -/// detect the type of each element in the tuple -/// \tparam T : the type of the first element in the tuple. -/// \tparam Ts... the rest of the elements in the tuple. Ts... can be empty. -/// \tparam K is the Kth element in the tuple -template <size_t k, class T, class... Ts> -struct ElemTypeHolder<k, Tuple<T, Ts...> > { - typedef typename ElemTypeHolder<k - 1, Tuple<Ts...> >::type type; -}; - -/// get -/// \brief Extracts the first element from the tuple. -/// K=0 represents the first element of the tuple. The tuple cannot be empty. -/// \tparam Ts... are the type of the elements in the tuple. -/// \param t is the tuple whose contents to extract -/// \return typename ElemTypeHolder<0, Tuple<Ts...> >::type &>::type - -#define TERMINATE_CONDS_TUPLE_GET(CVQual) \ -template <size_t k, class... Ts> \ -typename StaticIf<k == 0, CVQual typename ElemTypeHolder<0, Tuple<Ts...> >::type &>::type \ -get(CVQual Tuple<Ts...> &t) { \ - static_assert(sizeof...(Ts)!=0, "The requseted value is bigger than the size of the tuple"); \ - return t.head; \ -} - -TERMINATE_CONDS_TUPLE_GET(const) -TERMINATE_CONDS_TUPLE_GET() -#undef TERMINATE_CONDS_TUPLE_GET -/// get -/// \brief Extracts the Kth element from the tuple. -///\tparam K is an integer value in [0,sizeof...(Types)). -/// \tparam T is the (sizeof...(Types) -(K+1)) element in the tuple -/// \tparam Ts... are the type of the elements in the tuple. -/// \param t is the tuple whose contents to extract -/// \return typename ElemTypeHolder<K, Tuple<Ts...> >::type &>::type -#define RECURSIVE_TUPLE_GET(CVQual) \ -template <size_t k, class T, class... Ts> \ -typename StaticIf<k != 0, CVQual typename ElemTypeHolder<k, Tuple<T, Ts...> >::type &>::type \ -get(CVQual Tuple<T, Ts...> &t) { \ - return utility::tuple::get<k - 1>(t.tail); \ -} -RECURSIVE_TUPLE_GET(const) -RECURSIVE_TUPLE_GET() -#undef RECURSIVE_TUPLE_GET - -/// make_tuple -/// \brief Creates a tuple object, deducing the target type from the types of -/// arguments. -/// \tparam Args the type of the arguments to construct the tuple from -/// \param args zero or more arguments to construct the tuple from -/// \return Tuple<Args...> -template <typename... Args> -Tuple<Args...> make_tuple(Args... args) { - return Tuple<Args...>(args...); -} - -/// size -/// \brief Provides access to the number of elements in a tuple as a -/// compile-time constant expression. -/// \tparam Args the type of the arguments to construct the tuple from -/// \return size_t -template <typename... Args> -static constexpr size_t size(Tuple<Args...> &) { - return sizeof...(Args); -} - -/// \struct IndexList -/// \brief Creates a list of index from the elements in the tuple -/// \tparam Is... a list of index from [0 to sizeof...(tuple elements)) -template <size_t... Is> -struct IndexList {}; - -/// \struct RangeBuilder -/// \brief Collects internal details for generating index ranges [MIN, MAX) -/// Declare primary template for index range builder -/// \tparam MIN is the starting index in the tuple -/// \tparam N represents sizeof..(elements)- sizeof...(Is) -/// \tparam Is... are the list of generated index so far -template <size_t MIN, size_t N, size_t... Is> -struct RangeBuilder; - -// FIXME Doxygen has problems with recursive inheritance -#ifndef EIGEN_PARSED_BY_DOXYGEN -/// \brief base Step: Specialisation of the \ref RangeBuilder when the -/// MIN==MAX. In this case the Is... is [0 to sizeof...(tuple elements)) -/// \tparam MIN is the starting index of the tuple -/// \tparam Is is [0 to sizeof...(tuple elements)) -template <size_t MIN, size_t... Is> -struct RangeBuilder<MIN, MIN, Is...> { - typedef IndexList<Is...> type; -}; - -/// Induction step: Specialisation of the RangeBuilder class when N!=MIN -/// in this case we are recursively subtracting N by one and adding one -/// index to Is... list until MIN==N -/// \tparam MIN is the starting index in the tuple -/// \tparam N represents sizeof..(elements)- sizeof...(Is) -/// \tparam Is... are the list of generated index so far -template <size_t MIN, size_t N, size_t... Is> -struct RangeBuilder : public RangeBuilder<MIN, N - 1, N - 1, Is...> {}; -#endif // EIGEN_PARSED_BY_DOXYGEN - -/// \brief IndexRange that returns a [MIN, MAX) index range -/// \tparam MIN is the starting index in the tuple -/// \tparam MAX is the size of the tuple -template <size_t MIN, size_t MAX> -struct IndexRange: RangeBuilder<MIN, MAX>::type {}; - -/// append_base -/// \brief unpacking the elements of the input tuple t and creating a new tuple -/// by adding element a at the end of it. -///\tparam Args... the type of the elements inside the tuple t -/// \tparam T the type of the new element going to be added at the end of tuple -/// \tparam I... is the list of index from [0 to sizeof...(t)) -/// \param t the tuple on which we want to append a. -/// \param a the new elements going to be added to the tuple -/// \return Tuple<Args..., T> -template <typename... Args, typename T, size_t... I> -Tuple<Args..., T> append_base(Tuple<Args...> t, T a,IndexList<I...>) { - return utility::tuple::make_tuple(get<I>(t)..., a); -} - -/// append -/// \brief the deduction function for \ref append_base that automatically -/// generate the \ref IndexRange -///\tparam Args... the type of the elements inside the tuple t -/// \tparam T the type of the new element going to be added at the end of tuple -/// \param t the tuple on which we want to append a. -/// \param a the new elements going to be added to the tuple -/// \return Tuple<Args..., T> -template <typename... Args, typename T> -Tuple<Args..., T> append(Tuple<Args...> t, T a) { - return utility::tuple::append_base(t, a, IndexRange<0, sizeof...(Args)>()); -} - -/// append_base -/// \brief This is a specialisation of \ref append_base when we want to -/// concatenate -/// tuple t2 at the end of the tuple t1. Here we unpack both tuples, generate the -/// IndexRange for each of them and create an output tuple T that contains both -/// elements of t1 and t2. -///\tparam Args1... the type of the elements inside the tuple t1 -///\tparam Args2... the type of the elements inside the tuple t2 -/// \tparam I1... is the list of index from [0 to sizeof...(t1)) -/// \tparam I2... is the list of index from [0 to sizeof...(t2)) -/// \param t1 is the tuple on which we want to append t2. -/// \param t2 is the tuple that is going to be added on t1. -/// \return Tuple<Args1..., Args2...> -template <typename... Args1, typename... Args2, size_t... I1, size_t... I2> -Tuple<Args1..., Args2...> append_base(Tuple<Args1...> t1, Tuple<Args2...> t2, IndexList<I1...>, IndexList<I2...>) { - return utility::tuple::make_tuple(get<I1>(t1)...,get<I2>(t2)...); -} - -/// append -/// \brief deduction function for \ref append_base when we are appending tuple -/// t1 by tuple t2. In this case the \ref IndexRange for both tuple are -/// automatically generated. -///\tparam Args1... the type of the elements inside the tuple t1 -///\tparam Args2... the type of the elements inside the tuple t2 -/// \param t1 is the tuple on which we want to append t2. -/// \param t2 is the tuple that is going to be added on t1. -/// \return Tuple<Args1..., Args2...> -template <typename... Args1, typename... Args2> -Tuple<Args1..., Args2...> append(Tuple<Args1...> t1,Tuple<Args2...> t2) { - return utility::tuple::append_base(t1, t2, IndexRange<0, sizeof...(Args1)>(), IndexRange<0, sizeof...(Args2)>()); -} -} // tuple -} // utility - -#endif // UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_TUPLE_HPP |