cavis/libnd4j/include/ops/declarable/LegacyOp.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
******************************************************************************/
//
// Created by raver119 on 16.10.2017.
//
#ifndef LIBND4J_LEGACYOP_H
#define LIBND4J_LEGACYOP_H
#include <ops/declarable/DeclarableOp.h>
#include <PointersManager.h>
namespace nd4j {
namespace ops {
/**
* This class is root abstraction for legacy XYZ ops wrappers.
* All wrappers for specific op groups (i.e. LegacyTransformOp for Transform ops) are inheriting this class.
*
*
*/
class ND4J_EXPORT LegacyOp : public DeclarableOp {
protected:
// this field is mainly for debugging
// it defines, which legacy op should be invoked on a given data
int _opNum = -1;
int _numInputs = 0;
// All Op classes provide own specific implementation for this method
Nd4jStatus validateAndExecute(Context& block) override = 0;
public:
LegacyOp(int numInputs);
LegacyOp(int numInputs, int opNum);
// All Op classes provide own specific implementation for this method
ShapeList* calculateOutputShape(ShapeList* inputShape, nd4j::graph::Context& block) override = 0;
virtual LegacyOp* clone() = 0;
};
}
}
#endif //LIBND4J_LEGACYOP_H