cavis/libnd4j/include/helpers/ConstantTadHelper.h

57 lines
2.0 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_CONSTANTTADHELPER_H
#define DEV_TESTS_CONSTANTTADHELPER_H
#include <dll.h>
#include <pointercast.h>
#include <map>
#include <vector>
#include <mutex>
#include <array/ShapeDescriptor.h>
#include <array/TadDescriptor.h>
#include <array/TadPack.h>
namespace nd4j {
class ND4J_EXPORT ConstantTadHelper {
private:
static ConstantTadHelper *_INSTANCE;
std::mutex _mutex;
std::vector<std::map<TadDescriptor, TadPack>> _cache;
ConstantTadHelper();
public:
~ConstantTadHelper() = default;
static ConstantTadHelper* getInstance();
TadPack& tadForDimensions(const Nd4jLong *originalShape, const std::vector<int> &dimensions, const bool keepUnitiesInShape = false);
TadPack& tadForDimensions(const Nd4jLong *originalShape, int* dimensions, int dimLength, const bool keepUnitiesInShape = false);
TadPack& tadForDimensions(const Nd4jLong *originalShape, int dimensions, const bool keepUnitiesInShape = false);
TadPack& tadForDimensions(ShapeDescriptor &descriptor, std::vector<int> &dimensions, const bool keepUnitiesInShape = false);
TadPack& tadForDimensions(TadDescriptor &descriptor);
};
}
#endif //DEV_TESTS_CONSTANTTADHELPER_H