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Diffstat (limited to 'unsupported/Eigen/CXX11/src/Tensor/TensorSyclPlaceHolderExpr.h')
| -rw-r--r-- | unsupported/Eigen/CXX11/src/Tensor/TensorSyclPlaceHolderExpr.h | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/unsupported/Eigen/CXX11/src/Tensor/TensorSyclPlaceHolderExpr.h b/unsupported/Eigen/CXX11/src/Tensor/TensorSyclPlaceHolderExpr.h new file mode 100644 index 000000000..f456c35aa --- /dev/null +++ b/unsupported/Eigen/CXX11/src/Tensor/TensorSyclPlaceHolderExpr.h @@ -0,0 +1,158 @@ +// 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/. + +/***************************************************************** + * TensorSyclPlaceHolderExpr.h + * + * \brief: + * This is the specialisation of the placeholder expression based on the + * operation type + * +*****************************************************************/ + +#ifndef UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_PLACEHOLDER_EXPR_HPP +#define UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_PLACEHOLDER_EXPR_HPP + +namespace Eigen { +namespace TensorSycl { +namespace internal { +/// \sttruct PlaceHolderExpression +/// \brief it is used to create the PlaceHolder expression. The PlaceHolder +/// expression is a copy of expression type in which the TensorMap of the has +/// been replaced with PlaceHolder. +template <typename Expr, size_t N> +struct PlaceHolderExpression; + +template<size_t N, typename... Args> +struct CalculateIndex; + +template<size_t N, typename Arg> +struct CalculateIndex<N, Arg>{ + typedef typename PlaceHolderExpression<Arg, N>::Type ArgType; + typedef utility::tuple::Tuple<ArgType> ArgsTuple; +}; + +template<size_t N, typename Arg1, typename Arg2> +struct CalculateIndex<N, Arg1, Arg2>{ + static const size_t Arg2LeafCount = LeafCount<Arg2>::Count; + typedef typename PlaceHolderExpression<Arg1, N - Arg2LeafCount>::Type Arg1Type; + typedef typename PlaceHolderExpression<Arg2, N>::Type Arg2Type; + typedef utility::tuple::Tuple<Arg1Type, Arg2Type> ArgsTuple; +}; + +template<size_t N, typename Arg1, typename Arg2, typename Arg3> +struct CalculateIndex<N, Arg1, Arg2, Arg3> { + static const size_t Arg3LeafCount = LeafCount<Arg3>::Count; + static const size_t Arg2LeafCount = LeafCount<Arg2>::Count; + typedef typename PlaceHolderExpression<Arg1, N - Arg3LeafCount - Arg2LeafCount>::Type Arg1Type; + typedef typename PlaceHolderExpression<Arg2, N - Arg3LeafCount>::Type Arg2Type; + typedef typename PlaceHolderExpression<Arg3, N>::Type Arg3Type; + typedef utility::tuple::Tuple<Arg1Type, Arg2Type, Arg3Type> ArgsTuple; +}; + +template<template<class...> class Category , class OP, class TPL> +struct CategoryHelper; + +template<template<class...> class Category , class OP, class ...T > +struct CategoryHelper<Category, OP, utility::tuple::Tuple<T...> > { + typedef Category<OP, T... > Type; +}; + +template<template<class...> class Category , class ...T > +struct CategoryHelper<Category, NoOP, utility::tuple::Tuple<T...> > { + typedef Category<T... > Type; +}; + +/// specialisation of the \ref PlaceHolderExpression when the node is +/// TensorCwiseNullaryOp, TensorCwiseUnaryOp, TensorBroadcastingOp, TensorCwiseBinaryOp, TensorCwiseTernaryOp +#define OPEXPRCATEGORY(CVQual)\ +template <template <class, class... > class Category, typename OP, typename... SubExpr, size_t N>\ +struct PlaceHolderExpression<CVQual Category<OP, SubExpr...>, N>{\ + typedef CVQual typename CategoryHelper<Category, OP, typename CalculateIndex<N, SubExpr...>::ArgsTuple>::Type Type;\ +}; + +OPEXPRCATEGORY(const) +OPEXPRCATEGORY() +#undef OPEXPRCATEGORY + +/// specialisation of the \ref PlaceHolderExpression when the node is +/// TensorCwiseSelectOp +#define SELECTEXPR(CVQual)\ +template <typename IfExpr, typename ThenExpr, typename ElseExpr, size_t N>\ +struct PlaceHolderExpression<CVQual TensorSelectOp<IfExpr, ThenExpr, ElseExpr>, N> {\ + typedef CVQual typename CategoryHelper<TensorSelectOp, NoOP, typename CalculateIndex<N, IfExpr, ThenExpr, ElseExpr>::ArgsTuple>::Type Type;\ +}; + +SELECTEXPR(const) +SELECTEXPR() +#undef SELECTEXPR + +/// specialisation of the \ref PlaceHolderExpression when the node is +/// TensorAssignOp +#define ASSIGNEXPR(CVQual)\ +template <typename LHSExpr, typename RHSExpr, size_t N>\ +struct PlaceHolderExpression<CVQual TensorAssignOp<LHSExpr, RHSExpr>, N> {\ + typedef CVQual typename CategoryHelper<TensorAssignOp, NoOP, typename CalculateIndex<N, LHSExpr, RHSExpr>::ArgsTuple>::Type Type;\ +}; + +ASSIGNEXPR(const) +ASSIGNEXPR() +#undef ASSIGNEXPR + +/// specialisation of the \ref PlaceHolderExpression when the node is +/// TensorMap +#define TENSORMAPEXPR(CVQual)\ +template <typename Scalar_, int Options_, int Options2_, int NumIndices_, typename IndexType_, template <class> class MakePointer_, size_t N>\ +struct PlaceHolderExpression< CVQual TensorMap< Tensor<Scalar_, NumIndices_, Options_, IndexType_>, Options2_, MakePointer_>, N> {\ + typedef CVQual Eigen::internal::PlaceHolder<CVQual TensorMap<Tensor<Scalar_, NumIndices_, Options_, IndexType_>, Options2_, MakePointer_>, N> Type;\ +}; + +TENSORMAPEXPR(const) +TENSORMAPEXPR() +#undef TENSORMAPEXPR + +/// specialisation of the \ref PlaceHolderExpression when the node is +/// TensorForcedEvalOp +#define FORCEDEVAL(CVQual)\ +template <typename Expr, size_t N>\ +struct PlaceHolderExpression<CVQual TensorForcedEvalOp<Expr>, N> {\ + typedef CVQual Eigen::internal::PlaceHolder<CVQual TensorForcedEvalOp<Expr>, N> Type;\ +}; + +FORCEDEVAL(const) +FORCEDEVAL() +#undef FORCEDEVAL + +/// specialisation of the \ref PlaceHolderExpression when the node is +/// TensorEvalToOp +#define EVALTO(CVQual)\ +template <typename Expr, size_t N>\ +struct PlaceHolderExpression<CVQual TensorEvalToOp<Expr>, N> {\ + typedef CVQual TensorEvalToOp<typename CalculateIndex <N, Expr>::ArgType> Type;\ +}; + +EVALTO(const) +EVALTO() +#undef EVALTO + +/// template deduction for \ref PlaceHolderExpression struct +template <typename Expr> +struct createPlaceHolderExpression { + static const size_t TotalLeaves = LeafCount<Expr>::Count; + typedef typename PlaceHolderExpression<Expr, TotalLeaves - 1>::Type Type; +}; + +} +} +} // namespace Eigen + +#endif // UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_PLACEHOLDER_EXPR_HPP |