cavis/libnd4j/include/helpers/AveragingArrayProxy.h

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2019-06-06 14:21:15 +02:00
/*******************************************************************************
* Copyright (c) 2015-2018 Skymind, Inc.
*
* This program and the accompanying materials are made available under the
* terms of the Apache License, Version 2.0 which is available at
* https://www.apache.org/licenses/LICENSE-2.0.
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
* SPDX-License-Identifier: Apache-2.0
******************************************************************************/
//
// @author raver119@gmail.com
//
#ifndef DEV_TESTS_AVERAGINGARRAYPROXY_H
#define DEV_TESTS_AVERAGINGARRAYPROXY_H
#include "NDArray.h"
#include <utility>
#include <map>
#include <vector>
#include <mutex>
namespace nd4j {
class ND4J_EXPORT AveragingArrayProxy {
protected:
NDArray *_original;
std::map<std::pair<int,int>, NDArray*> _writeables;
std::map<int, std::vector<NDArray*>> _writeablesLinear;
std::vector<int> _rows;
std::vector<NDArray*> _references;
std::mutex _lock;
public:
explicit AveragingArrayProxy(NDArray *original);
~AveragingArrayProxy();
NDArray* readable(int row, int key);
NDArray* writeable(int row, int key);
bool isEmpty();
bool writeableExists(std::pair<int, int> &key);
bool writeableExists(int row, int key);
bool collapseWrites();
};
}
#endif //DEV_TESTS_AVERAGINGARRAYPROXY_H