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// 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_TENSORYSYCL_PLACEHOLDER_EXPR_HPP
#define UNSUPPORTED_EIGEN_CXX11_SRC_TENSORYSYCL_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;
/// specialisation of the \ref PlaceHolderExpression when the node is TensorMap
template <typename Scalar_, int Options_, int Options2_, int NumIndices_,
typename IndexType_, template <class> class MakePointer_, size_t N>
struct PlaceHolderExpression<
Eigen::TensorMap<Eigen::Tensor<Scalar_, NumIndices_, Options_, IndexType_>,
Options2_, MakePointer_>,
N> {
using Type = Eigen::internal::PlaceHolder<
Eigen::TensorMap<Tensor<Scalar_, NumIndices_, Options_, IndexType_>,
Options2_, MakePointer_>,
N>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorMap
template <typename Scalar_, int Options_, int Options2_, int NumIndices_,
typename IndexType_, template <class> class MakePointer_, size_t N>
struct PlaceHolderExpression<
const Eigen::TensorMap<Tensor<Scalar_, NumIndices_, Options_, IndexType_>,
Options2_, MakePointer_>,
N> {
using Type = const Eigen::internal::PlaceHolder<
const TensorMap<Tensor<Scalar_, NumIndices_, Options_, IndexType_>,
Options2_, MakePointer_>,
N>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorCwiseNullaryOp
template <typename OP, typename RHSExpr, size_t N>
struct PlaceHolderExpression<TensorCwiseNullaryOp<OP, RHSExpr>, N> {
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = TensorCwiseNullaryOp<OP, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorCwiseNullaryOp
template <typename OP, typename RHSExpr, size_t N>
struct PlaceHolderExpression<const TensorCwiseNullaryOp<OP, RHSExpr>, N> {
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = const TensorCwiseNullaryOp<OP, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorBroadcastingOp
template <typename OP, typename RHSExpr, size_t N>
struct PlaceHolderExpression<TensorBroadcastingOp<OP, RHSExpr>, N> {
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = TensorBroadcastingOp<OP, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorBroadcastingOp
template <typename OP, typename RHSExpr, size_t N>
struct PlaceHolderExpression<const TensorBroadcastingOp<OP, RHSExpr>, N> {
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = const TensorBroadcastingOp<OP, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorCwiseUnaryOp
template <typename OP, typename RHSExpr, size_t N>
struct PlaceHolderExpression<TensorCwiseUnaryOp<OP, RHSExpr>, N> {
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = TensorCwiseUnaryOp<OP, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorCwiseUnaryOp
template <typename OP, typename RHSExpr, size_t N>
struct PlaceHolderExpression<const TensorCwiseUnaryOp<OP, RHSExpr>, N> {
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = const TensorCwiseUnaryOp<OP, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorCwiseBinaryOp
template <typename OP, typename LHSExpr, typename RHSExpr, size_t N>
struct PlaceHolderExpression<TensorCwiseBinaryOp<OP, LHSExpr, RHSExpr>, N> {
static const size_t RHSLeafCount = LeafCount<RHSExpr>::Count;
using LHSPlaceHolderType =
typename PlaceHolderExpression<LHSExpr, N - RHSLeafCount>::Type;
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = TensorCwiseBinaryOp<OP, LHSPlaceHolderType, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorCwiseBinaryOp
template <typename OP, typename LHSExpr, typename RHSExpr, size_t N>
struct PlaceHolderExpression<const TensorCwiseBinaryOp<OP, LHSExpr, RHSExpr>,
N> {
static const size_t RHSLeafCount = LeafCount<RHSExpr>::Count;
using LHSPlaceHolderType =
typename PlaceHolderExpression<LHSExpr, N - RHSLeafCount>::Type;
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type =
const TensorCwiseBinaryOp<OP, LHSPlaceHolderType, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorCwiseSelectOp
template <typename OP, typename Arg1Expr, typename Arg2Expr, typename Arg3Expr,
size_t N>
struct PlaceHolderExpression<
const TensorCwiseTernaryOp<OP, Arg1Expr, Arg2Expr, Arg3Expr>, N> {
static const size_t Arg3LeafCount = LeafCount<Arg3Expr>::Count;
static const size_t Arg2LeafCount = LeafCount<Arg2Expr>::Count;
using Arg1PlaceHolderType =
typename PlaceHolderExpression<Arg1Expr,
N - Arg3LeafCount - Arg2LeafCount>::Type;
using Arg2PlaceHolderType =
typename PlaceHolderExpression<Arg2Expr, N - Arg3LeafCount>::Type;
using Arg3PlaceHolderType = typename PlaceHolderExpression<Arg3Expr, N>::Type;
using Type =
const TensorCwiseTernaryOp<OP, Arg1PlaceHolderType, Arg2PlaceHolderType,
Arg3PlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorCwiseSelectOp
template <typename OP, typename Arg1Expr, typename Arg2Expr, typename Arg3Expr,
size_t N>
struct PlaceHolderExpression<
TensorCwiseTernaryOp<OP, Arg1Expr, Arg2Expr, Arg3Expr>, N> {
static const size_t Arg3LeafCount = LeafCount<Arg3Expr>::Count;
static const size_t Arg2LeafCount = LeafCount<Arg2Expr>::Count;
using Arg1PlaceHolderType =
typename PlaceHolderExpression<Arg1Expr,
N - Arg3LeafCount - Arg2LeafCount>::Type;
using Arg2PlaceHolderType =
typename PlaceHolderExpression<Arg2Expr, N - Arg3LeafCount>::Type;
using Arg3PlaceHolderType = typename PlaceHolderExpression<Arg3Expr, N>::Type;
using Type = TensorCwiseTernaryOp<OP, Arg1PlaceHolderType,
Arg2PlaceHolderType, Arg3PlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorCwiseSelectOp
template <typename IfExpr, typename ThenExpr, typename ElseExpr, size_t N>
struct PlaceHolderExpression<const TensorSelectOp<IfExpr, ThenExpr, ElseExpr>,
N> {
static const size_t ElseLeafCount = LeafCount<ElseExpr>::Count;
static const size_t ThenLeafCount = LeafCount<ThenExpr>::Count;
using IfPlaceHolderType =
typename PlaceHolderExpression<IfExpr,
N - ElseLeafCount - ThenLeafCount>::Type;
using ThenPlaceHolderType =
typename PlaceHolderExpression<ThenExpr, N - ElseLeafCount>::Type;
using ElsePlaceHolderType = typename PlaceHolderExpression<ElseExpr, N>::Type;
using Type = const TensorSelectOp<IfPlaceHolderType, ThenPlaceHolderType,
ElsePlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorCwiseSelectOp
template <typename IfExpr, typename ThenExpr, typename ElseExpr, size_t N>
struct PlaceHolderExpression<TensorSelectOp<IfExpr, ThenExpr, ElseExpr>, N> {
static const size_t ElseLeafCount = LeafCount<ElseExpr>::Count;
static const size_t ThenLeafCount = LeafCount<ThenExpr>::Count;
using IfPlaceHolderType =
typename PlaceHolderExpression<IfExpr,
N - ElseLeafCount - ThenLeafCount>::Type;
using ThenPlaceHolderType =
typename PlaceHolderExpression<ThenExpr, N - ElseLeafCount>::Type;
using ElsePlaceHolderType = typename PlaceHolderExpression<ElseExpr, N>::Type;
using Type = TensorSelectOp<IfPlaceHolderType, ThenPlaceHolderType,
ElsePlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorAssignOp
template <typename LHSExpr, typename RHSExpr, size_t N>
struct PlaceHolderExpression<TensorAssignOp<LHSExpr, RHSExpr>, N> {
static const size_t RHSLeafCount = LeafCount<RHSExpr>::Count;
using LHSPlaceHolderType =
typename PlaceHolderExpression<LHSExpr, N - RHSLeafCount>::Type;
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = TensorAssignOp<LHSPlaceHolderType, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorAssignOp
template <typename LHSExpr, typename RHSExpr, size_t N>
struct PlaceHolderExpression<const TensorAssignOp<LHSExpr, RHSExpr>, N> {
static const size_t RHSLeafCount = LeafCount<RHSExpr>::Count;
using LHSPlaceHolderType =
typename PlaceHolderExpression<LHSExpr, N - RHSLeafCount>::Type;
using RHSPlaceHolderType = typename PlaceHolderExpression<RHSExpr, N>::Type;
using Type = const TensorAssignOp<LHSPlaceHolderType, RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorForcedEvalOp
template <typename Expr, size_t N>
struct PlaceHolderExpression<const TensorForcedEvalOp<Expr>, N> {
using Type =
const Eigen::internal::PlaceHolder<const TensorForcedEvalOp<Expr>, N>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorForcedEvalOp
template <typename Expr, size_t N>
struct PlaceHolderExpression<TensorForcedEvalOp<Expr>, N> {
using Type = Eigen::internal::PlaceHolder<TensorForcedEvalOp<Expr>, N>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is const
/// TensorEvalToOp
template <typename Expr, size_t N>
struct PlaceHolderExpression<const TensorEvalToOp<Expr>, N> {
static const size_t RHSLeafCount = LeafCount<Expr>::Count;
using RHSPlaceHolderType = typename PlaceHolderExpression<Expr, N>::Type;
using Type = const TensorEvalToOp<RHSPlaceHolderType>;
};
/// specialisation of the \ref PlaceHolderExpression when the node is
/// TensorEvalToOp
template <typename Expr, size_t N>
struct PlaceHolderExpression<TensorEvalToOp<Expr>, N> {
static const size_t RHSLeafCount = LeafCount<Expr>::Count;
using RHSPlaceHolderType = typename PlaceHolderExpression<Expr, N>::Type;
using Type = TensorEvalToOp<RHSPlaceHolderType>;
};
/// template deduction for \ref PlaceHolderExpression struct
template <typename Expr>
struct createPlaceHolderExpression {
static const size_t TotalLeaves = LeafCount<Expr>::Count;
using Type = typename PlaceHolderExpression<Expr, TotalLeaves - 1>::Type;
};
}
}
} // namespace Eigen
#endif // UNSUPPORTED_EIGEN_CXX11_SRC_TENSORYSYCL_PLACEHOLDER_EXPR_HPP
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