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TensorSyclExtractFunctors.h
1// This file is part of Eigen, a lightweight C++ template library
2// for linear algebra.
3//
4// Mehdi Goli Codeplay Software Ltd.
5// Ralph Potter Codeplay Software Ltd.
6// Luke Iwanski Codeplay Software Ltd.
7// Contact: <eigen@codeplay.com>
8//
9// This Source Code Form is subject to the terms of the Mozilla
10// Public License v. 2.0. If a copy of the MPL was not distributed
11// with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
12
13/*****************************************************************
14 * TensorSyclextractFunctors.h
15 *
16 * \brief:
17 * Used to extract all the functors allocated to each node of the expression
18*tree.
19 *
20*****************************************************************/
21
22#ifndef UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_EXTRACT_FUNCTORS_HPP
23#define UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_EXTRACT_FUNCTORS_HPP
24
25namespace Eigen {
26namespace TensorSycl {
27namespace internal {
35// This struct is used for leafNode (TensorMap) and nodes behaving like leafNode (TensorForcedEval).
36template <typename Evaluator> struct FunctorExtractor{
37 typedef typename Evaluator::Dimensions Dimensions;
38 const Dimensions m_dimensions;
39 const Dimensions& dimensions() const { return m_dimensions; }
40 FunctorExtractor(const Evaluator& expr)
41 : m_dimensions(expr.dimensions()) {}
42
43};
44
47template <template <class, class> class UnaryCategory, typename OP, typename RHSExpr, typename Dev>
48struct FunctorExtractor<TensorEvaluator<const UnaryCategory<OP, RHSExpr>, Dev> > {
49 FunctorExtractor<TensorEvaluator<RHSExpr, Dev> > rhsExpr;
50 OP func;
51 FunctorExtractor(const TensorEvaluator<const UnaryCategory<OP, RHSExpr>, Dev>& expr)
52 : rhsExpr(expr.impl()), func(expr.functor()) {}
53};
56template <template <class, class> class UnaryCategory, typename OP, typename RHSExpr, typename Dev>
57struct FunctorExtractor<TensorEvaluator<UnaryCategory<OP, RHSExpr>, Dev> >
58: FunctorExtractor<TensorEvaluator<const UnaryCategory<OP, RHSExpr>, Dev> >{};
59
62template <template<class, class, class> class BinaryCategory, typename OP, typename LHSExpr, typename RHSExpr, typename Dev>
63struct FunctorExtractor<TensorEvaluator<const BinaryCategory<OP, LHSExpr, RHSExpr>, Dev> > {
64 FunctorExtractor<TensorEvaluator<LHSExpr, Dev> > lhsExpr;
65 FunctorExtractor<TensorEvaluator<RHSExpr, Dev> > rhsExpr;
66 OP func;
67 FunctorExtractor(const TensorEvaluator<const BinaryCategory<OP, LHSExpr, RHSExpr>, Dev>& expr)
68 : lhsExpr(expr.left_impl()),rhsExpr(expr.right_impl()),func(expr.functor()) {}
69};
70
73template <template <class, class, class> class BinaryCategory, typename OP, typename LHSExpr, typename RHSExpr, typename Dev>
74struct FunctorExtractor<TensorEvaluator<BinaryCategory<OP, LHSExpr, RHSExpr>, Dev> >
75: FunctorExtractor<TensorEvaluator<const BinaryCategory<OP, LHSExpr, RHSExpr>, Dev> >{};
76
79template <template <class, class, class, class> class TernaryCategory, typename OP, typename Arg1Expr, typename Arg2Expr, typename Arg3Expr,typename Dev>
80struct FunctorExtractor<TensorEvaluator<const TernaryCategory<OP, Arg1Expr, Arg2Expr, Arg3Expr>, Dev> > {
81 FunctorExtractor<TensorEvaluator<Arg1Expr, Dev> > arg1Expr;
82 FunctorExtractor<TensorEvaluator<Arg2Expr, Dev> > arg2Expr;
83 FunctorExtractor<TensorEvaluator<Arg3Expr, Dev> > arg3Expr;
84 OP func;
85 FunctorExtractor(const TensorEvaluator<const TernaryCategory<OP, Arg1Expr, Arg2Expr, Arg3Expr>, Dev>& expr)
86 : arg1Expr(expr.arg1Impl()), arg2Expr(expr.arg2Impl()), arg3Expr(expr.arg3Impl()), func(expr.functor()) {}
87};
88
91template <template <class, class, class, class> class TernaryCategory, typename OP, typename Arg1Expr, typename Arg2Expr, typename Arg3Expr, typename Dev>
92struct FunctorExtractor<TensorEvaluator< TernaryCategory<OP, Arg1Expr, Arg2Expr, Arg3Expr>, Dev> >
93:FunctorExtractor<TensorEvaluator<const TernaryCategory<OP, Arg1Expr, Arg2Expr, Arg3Expr>, Dev> >{};
94
97template <typename IfExpr, typename ThenExpr, typename ElseExpr, typename Dev>
98struct FunctorExtractor< TensorEvaluator<const TensorSelectOp<IfExpr, ThenExpr, ElseExpr>, Dev> > {
99 FunctorExtractor<TensorEvaluator<IfExpr, Dev> > ifExpr;
100 FunctorExtractor<TensorEvaluator<ThenExpr, Dev> > thenExpr;
101 FunctorExtractor<TensorEvaluator<ElseExpr, Dev> > elseExpr;
102 FunctorExtractor(const TensorEvaluator<const TensorSelectOp<IfExpr, ThenExpr, ElseExpr>, Dev>& expr)
103 : ifExpr(expr.cond_impl()), thenExpr(expr.then_impl()), elseExpr(expr.else_impl()) {}
104};
105
108template <typename IfExpr, typename ThenExpr, typename ElseExpr, typename Dev>
109struct FunctorExtractor<TensorEvaluator<TensorSelectOp<IfExpr, ThenExpr, ElseExpr>, Dev> >
110:FunctorExtractor< TensorEvaluator<const TensorSelectOp<IfExpr, ThenExpr, ElseExpr>, Dev> > {};
111
114template <typename LHSExpr, typename RHSExpr, typename Dev>
115struct FunctorExtractor<TensorEvaluator<const TensorAssignOp<LHSExpr, RHSExpr>, Dev> > {
116 FunctorExtractor<TensorEvaluator<LHSExpr, Dev> > lhsExpr;
117 FunctorExtractor<TensorEvaluator<RHSExpr, Dev> > rhsExpr;
118 FunctorExtractor(const TensorEvaluator<const TensorAssignOp<LHSExpr, RHSExpr>, Dev>& expr)
119 : lhsExpr(expr.left_impl()), rhsExpr(expr.right_impl()) {}
120};
121
124template <typename LHSExpr, typename RHSExpr, typename Dev>
125struct FunctorExtractor<TensorEvaluator<TensorAssignOp<LHSExpr, RHSExpr>, Dev> >
126:FunctorExtractor<TensorEvaluator<const TensorAssignOp<LHSExpr, RHSExpr>, Dev> >{};
127
128
131template <typename RHSExpr, typename Dev>
132struct FunctorExtractor<TensorEvaluator<const TensorEvalToOp<RHSExpr>, Dev> > {
133 FunctorExtractor<TensorEvaluator<RHSExpr, Dev> > rhsExpr;
134 FunctorExtractor(const TensorEvaluator<const TensorEvalToOp<RHSExpr>, Dev>& expr)
135 : rhsExpr(expr.impl()) {}
136};
137
140template <typename RHSExpr, typename Dev>
141struct FunctorExtractor<TensorEvaluator<TensorEvalToOp<RHSExpr>, Dev> >
142: FunctorExtractor<TensorEvaluator<const TensorEvalToOp<RHSExpr>, Dev> > {};
143
144template<typename Dim, size_t NumOutputDim> struct DimConstr {
145template<typename InDim>
146 static inline Dim getDim(InDim dims ) {return dims;}
147};
148
149template<typename Dim> struct DimConstr<Dim, 0> {
150 template<typename InDim>
151 static inline Dim getDim(InDim dims ) {return Dim(dims.TotalSize());}
152};
153
154template<typename Op, typename Dims, typename ArgType, template <class> class MakePointer_, typename Device>
155struct FunctorExtractor<TensorEvaluator<const TensorReductionOp<Op, Dims, ArgType, MakePointer_>, Device>>{
156 typedef TensorEvaluator<const TensorReductionOp<Op, Dims, ArgType, MakePointer_>, Device> Evaluator;
157 typedef typename Eigen::internal::conditional<Evaluator::NumOutputDims==0, DSizes<typename Evaluator::Index, 1>, typename Evaluator::Dimensions >::type Dimensions;
158 const Dimensions m_dimensions;
159 const Dimensions& dimensions() const { return m_dimensions; }
160 FunctorExtractor(const TensorEvaluator<const TensorReductionOp<Op, Dims, ArgType, MakePointer_>, Device>& expr)
161 : m_dimensions(DimConstr<Dimensions, Evaluator::NumOutputDims>::getDim(expr.dimensions())) {}
162};
163
164
165template<typename Op, typename Dims, typename ArgType, template <class> class MakePointer_, typename Device>
166struct FunctorExtractor<TensorEvaluator<TensorReductionOp<Op, Dims, ArgType, MakePointer_>, Device>>
167: FunctorExtractor<TensorEvaluator<const TensorReductionOp<Op, Dims, ArgType, MakePointer_>, Device>>{};
169template <typename Evaluator>
170auto inline extractFunctors(const Evaluator& evaluator)-> FunctorExtractor<Evaluator> {
171 return FunctorExtractor<Evaluator>(evaluator);
172}
173} // namespace internal
174} // namespace TensorSycl
175} // namespace Eigen
176
177#endif // UNSUPPORTED_EIGEN_CXX11_SRC_TENSOR_TENSORSYCL_EXTRACT_FUNCTORS_HPP
Namespace containing all symbols from the Eigen library.
Definition: AdolcForward:45