94 lines
3.7 KiB
C++
94 lines
3.7 KiB
C++
/*******************************************************************************
|
|
* 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_SHAPEDESCRIPTOR_H
|
|
#define DEV_TESTS_SHAPEDESCRIPTOR_H
|
|
|
|
#include <unordered_map>
|
|
#include <vector>
|
|
#include <dll.h>
|
|
#include <pointercast.h>
|
|
#include <DataType.h>
|
|
#include <initializer_list>
|
|
|
|
namespace nd4j {
|
|
|
|
class ND4J_EXPORT ShapeDescriptor {
|
|
|
|
private:
|
|
int _rank = 0;
|
|
std::vector<Nd4jLong> _shape;
|
|
std::vector<Nd4jLong> _strides;
|
|
Nd4jLong _ews = 1;
|
|
char _order = 'c';
|
|
DataType _dataType;
|
|
bool _empty = false;
|
|
|
|
public:
|
|
ShapeDescriptor(const ShapeDescriptor &other);
|
|
ShapeDescriptor(const Nd4jLong *shapeInfo, bool inheritDtype = true);
|
|
explicit ShapeDescriptor(const Nd4jLong *shapeInfo, const nd4j::DataType dtypeOverride);
|
|
explicit ShapeDescriptor(const Nd4jLong *shapeInfo, const Nd4jLong *dtypeOverride);
|
|
explicit ShapeDescriptor(const Nd4jLong *shapeInfo, const Nd4jLong *dtypeOverride, const Nd4jLong *orderOverride);
|
|
explicit ShapeDescriptor(const DataType type, const Nd4jLong length);
|
|
explicit ShapeDescriptor(const DataType type, const char order, const Nd4jLong *shape, const int rank);
|
|
explicit ShapeDescriptor(const DataType type, const char order, const Nd4jLong *shape, const Nd4jLong *strides, const int rank, Nd4jLong ews, const bool empty);
|
|
explicit ShapeDescriptor(const DataType type, const char order, const std::initializer_list<Nd4jLong> &shape);
|
|
explicit ShapeDescriptor(const DataType type, const char order, const std::vector<Nd4jLong> &shape);
|
|
explicit ShapeDescriptor(const DataType type, const char order, const std::vector<Nd4jLong> &shape, const std::vector<Nd4jLong> &strides);
|
|
explicit ShapeDescriptor(const DataType type, const char order, const std::vector<Nd4jLong> &shape, const std::vector<Nd4jLong> &strides, const Nd4jLong ews);
|
|
ShapeDescriptor() = default;
|
|
~ShapeDescriptor() = default;
|
|
|
|
int rank() const;
|
|
Nd4jLong ews() const;
|
|
Nd4jLong arrLength() const;
|
|
char order() const;
|
|
DataType dataType() const;
|
|
bool isEmpty() const;
|
|
std::vector<Nd4jLong>& shape();
|
|
std::vector<Nd4jLong>& strides();
|
|
|
|
// we use default copy assignment operator
|
|
ShapeDescriptor& operator=(const ShapeDescriptor& other) = default;
|
|
|
|
// we use default move assignment operator
|
|
ShapeDescriptor& operator=(ShapeDescriptor&& other) noexcept = default;
|
|
|
|
// equal to operator
|
|
bool operator==(const ShapeDescriptor &other) const;
|
|
|
|
// less than operator
|
|
bool operator<(const ShapeDescriptor &other) const;
|
|
|
|
Nd4jLong* toShapeInfo() const;
|
|
|
|
|
|
static ShapeDescriptor emptyDescriptor(const DataType type);
|
|
static ShapeDescriptor scalarDescriptor(const DataType type);
|
|
static ShapeDescriptor vectorDescriptor(const Nd4jLong length, const DataType type);
|
|
};
|
|
|
|
|
|
}
|
|
|
|
|
|
#endif //DEV_TESTS_SHAPEDESCRIPTOR_H
|