cavis/libnd4j/include/array/TadDescriptor.h

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/*******************************************************************************
* 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_TADDESCRIPTOR_H
#define DEV_TESTS_TADDESCRIPTOR_H
#include "ShapeDescriptor.h"
#include <dll.h>
namespace nd4j {
class ND4J_EXPORT TadDescriptor {
private:
ShapeDescriptor _originalShape;
std::vector<int> _axis;
bool _unitiesInShape;
public:
explicit TadDescriptor(const Nd4jLong *originalShape, const int *dimensions, const int length, const bool keepUnitiesInShape = false);
explicit TadDescriptor(const ShapeDescriptor &descriptor, const std::vector<int> &dimensions, const bool keepUnitiesInShape = false);
explicit TadDescriptor(const TadDescriptor &other);
~TadDescriptor() = default;
// we use default copy assignment operator
TadDescriptor& operator=(const TadDescriptor& other) = default;
// we use default move assignment operator
TadDescriptor& operator=(TadDescriptor&& other) noexcept = default;
// equal to operator
bool operator==(const TadDescriptor &other) const;
// less than operator
bool operator<(const TadDescriptor &other) const;
std::vector<int>& axis();
ShapeDescriptor& originalShape();
ShapeDescriptor const& originalShapeConst() const;
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bool areUnitiesinShape() const;
};
}
#ifndef __JAVACPP_HACK__
namespace std {
template<>
class ND4J_EXPORT hash<nd4j::TadDescriptor> {
public:
size_t operator()(const nd4j::TadDescriptor &k) const;
};
}
#endif
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#endif //DEV_TESTS_TADDESCRIPTOR_H