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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
******************************************************************************/
package org.nd4j.linalg.api.ops;
import lombok.extern.slf4j.Slf4j;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.autodiff.util.SameDiffUtils;
import org.nd4j.linalg.api.ndarray.INDArray;
import org.nd4j.linalg.api.shape.LongShapeDescriptor;
import org.nd4j.linalg.util.LinAlgExceptions;
import java.util.List;
/**
* A base op for basic getters and setters
*
* @author Adam Gibson
*/
@Slf4j
public abstract class BaseTransformOp extends BaseOp implements TransformOp {
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v1,
SDVariable i_v2) {
this(sameDiff,i_v1,i_v2,false);
}
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v1,
SDVariable i_v2,
boolean inPlace) {
super(sameDiff,inPlace,new Object[] {i_v2});
if (i_v1 != null && i_v2 != null) {
SameDiffUtils.validateDifferentialFunctionSameDiff(sameDiff, i_v1, this);
SameDiffUtils.validateDifferentialFunctionSameDiff(sameDiff, i_v2, this);
this.sameDiff = sameDiff;
this.inPlace = inPlace;
this.xVertexId = i_v1.name();
this.yVertexId = i_v2.name();
sameDiff.addArgsFor(new SDVariable[]{i_v1,i_v2},this);
} else {
throw new IllegalArgumentException("Input not null variables.");
}
}
public BaseTransformOp(SameDiff sameDiff) {
this.sameDiff = sameDiff;
}
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v1,
SDVariable i_v2,
Object[] extraArgs) {
super(sameDiff,extraArgs);
if (i_v1 != null && i_v2 != null) {
SameDiffUtils.validateDifferentialFunctionSameDiff(sameDiff, i_v1, this);
SameDiffUtils.validateDifferentialFunctionSameDiff(sameDiff, i_v2, this);
this.sameDiff = sameDiff;
this.xVertexId = i_v1.name();
this.yVertexId = i_v2.name();
sameDiff.addArgsFor(new SDVariable[]{i_v1,i_v2},this);
} else {
throw new IllegalArgumentException("Input not null variables.");
}
}
public BaseTransformOp(SameDiff sameDiff,SDVariable i_v,boolean inPlace) {
this(sameDiff,i_v,i_v.getShape(),inPlace,null);
}
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v,
long[] shape,
boolean inPlace,
Object[] extraArgs) {
super(sameDiff,inPlace,extraArgs);
if (i_v != null) {
SameDiffUtils.validateDifferentialFunctionSameDiff(sameDiff, i_v, this);
this.xVertexId = i_v.name();
sameDiff.addArgsFor(new SDVariable[]{i_v},this);
} else {
throw new IllegalArgumentException("Input must not null variable.");
}
}
public BaseTransformOp(SameDiff sameDiff,
SDVariable i_v,
Object[] extraArgs) {
this(sameDiff,i_v,i_v.getShape(),false,extraArgs);
}
public BaseTransformOp(INDArray x, INDArray z) {
super(x, z);
LinAlgExceptions.assertSameShape(x, z);
}
public BaseTransformOp() {}
public BaseTransformOp(INDArray x, INDArray y, INDArray z) {
super(x, y, z);
if (y != null)
LinAlgExceptions.assertSameLength(x, y, z);
else if (z != null)
LinAlgExceptions.assertSameLength(x, z);
}
public BaseTransformOp(INDArray x) {
super(x);
}
public abstract List calculateOutputShape();
@Override
public INDArray z() {
return z;
}
}
