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/* Copyright (c) 2016 PaddlePaddle Authors. All Rights Reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License. */
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#pragma once
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#include <memory>
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#include <vector>
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#include "paddle/math/Matrix.h"
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#include "paddle/math/SparseRowMatrix.h"
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#include "paddle/parameter/Parameter.h"
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namespace paddle {
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class Weight {
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private:
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MatrixPtr weight_;
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MatrixPtr weightGrad_;
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ParameterPtr parameter_;
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public:
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Weight(size_t height, size_t width, ParameterPtr parameter);
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Weight(size_t height, size_t width, ParameterPtr parameter, size_t offset);
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const MatrixPtr& getW() { return weight_; }
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const MatrixPtr& getWGrad() { return weightGrad_; }
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const ParameterPtr& getParameterPtr();
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void incUpdate(const UpdateCallback& callback) {
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getParameterPtr()->incUpdate(callback);
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}
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void setParameterPtr(ParameterPtr param);
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};
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typedef std::vector<std::unique_ptr<Weight>> WeightList;
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} // namespace paddle
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