1 // Copyright (c) 2019 Intel Corporation
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
15 ///////////////////////////////////////////////////////////////////////////////////////////////////
18 #include "../C/contract.h"
19 #include "primitive.hpp"
24 /// @addtogroup cpp_api C++ API
26 /// @addtogroup cpp_topology Network Topology
28 /// @addtogroup cpp_primitives Primitives
31 /// @brief Select mode for the @ref contract layer.
32 enum class contract_mode : int32_t
34 /// @brief Sum reduction.
35 sum = cldnn_contract_sum,
36 /// @brief Product reduction.
37 prod = cldnn_contract_product,
38 /// @brief All reduction.
39 all = cldnn_contract_all,
40 /// @brief Any reduction.
41 any = cldnn_contract_any,
42 /// @brief Max reduction.
43 max = cldnn_contract_max
46 /// @brief Reduces input with an operation defined by @p mode along defined
47 /// by @p reduction_axes dimensions.
49 /// @details Reduces the input using the binary operation determined by
50 /// @p mode. The @p reduction_axes determine the final shape of the
51 /// output, which is calculated based on the input shape by
52 /// collapsing the dimensions along which the reduction happens.
53 /// For example, for the input with
54 /// @n <tt>input_sizes = (in_b, in_f, in_y, in_x)</tt>
55 /// @n a reduction with
56 /// @n <tt>reduction_axes = (2)</tt>
57 /// @n would collapse the Y dimension, producing
58 /// @n <tt>output_shape = (1, in_b, in_f, in_x)</tt>
59 /// @n where every element is a @p mode reduction of the input elements with
60 /// @n the same B, F and X coordinates.
62 /// @n@b Requirements:
63 /// @n - @p reduction_axes size (dimensions count) must be within (inclusive) range
65 /// @n - @p reduction_axes mustn't have duplicate values.
66 /// @n - Values of @p reduction_axes must be within (inclusive) range 0 - 3
67 /// @n Breaking any of these conditions will raise an exception.
68 struct contract : public primitive_base<contract, CLDNN_PRIMITIVE_DESC(contract)>
70 CLDNN_DECLARE_PRIMITIVE(contract)
72 /// @brief Constructs contract primitive / layer.
74 /// @param id An identifier of new primitive.
75 /// @param input An identifier of primitive which is an input for newly created
76 /// contract primitive.
77 /// @param mode Reduction mode.
78 /// @param reduction_axes Axes positions (0-based, from left to right) in input_shape
79 /// that are being reduced.
80 /// @param output_padding Optional padding for output from primitive.
82 const primitive_id& id,
83 const primitive_id& input,
85 const std::vector<uint16_t>& reduction_axes = {},
86 const padding& output_padding = padding()
88 : primitive_base(id, { input }, output_padding),
90 reduction_axes(reduction_axes)
94 /// @brief Constructs a copy from C API @CLDNN_PRIMITIVE_DESC{contract}
95 contract(const dto* dto)
96 : primitive_base(dto),
97 mode(static_cast<contract_mode>(dto->mode)),
98 reduction_axes(uint16_t_arr_to_vector(dto->reduction_axes))
103 /// @param mode Contract mode.
105 /// @brief Array of axes positions from input shape (0-based, from left to right)
106 /// along which reduction should happen.
107 std::vector<uint16_t> reduction_axes;
110 void update_dto(dto& dto) const override
112 dto.mode = static_cast<cldnn_contract_mode>(mode);
113 dto.reduction_axes = uint16_t_vector_to_arr(reduction_axes);