org.nd4j.linalg.api.ops.impl.controlflow.WhileDerivative Maven / Gradle / Ivy
/*******************************************************************************
* 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.impl.controlflow;
import lombok.NoArgsConstructor;
import org.nd4j.autodiff.samediff.SDVariable;
import org.nd4j.autodiff.samediff.SameDiff;
import org.nd4j.autodiff.samediff.SameDiffConditional;
import org.nd4j.autodiff.samediff.SameDiffFunctionDefinition;
import org.nd4j.imports.NoOpNameFoundException;
import org.nd4j.linalg.api.ops.Op;
/**
* While loop derivative
* @author Adam Gibson
*/
@NoArgsConstructor
public class WhileDerivative extends While {
private While delegate;
public WhileDerivative(While delegate) {
super(delegate);
this.delegate = delegate;
}
@Override
public SameDiffFunctionDefinition getTrueBody() {
return delegate.trueBody;
}
@Override
public String getTrueBodyName() {
return delegate.getTrueBodyName();
}
@Override
public SameDiffConditional getPredicate() {
return delegate.getPredicate();
}
@Override
public SameDiff getPredicateExecution() {
return delegate.getPredicateExecution();
}
@Override
public SDVariable[] getInputVars() {
return delegate.getInputVars();
}
@Override
public String getBlockName() {
return delegate.getBlockName();
}
@Override
public SameDiff getLoopBodyExecution() {
return delegate.getLoopBodyExecution();
}
@Override
public int getNumLooped() {
return delegate.getNumLooped();
}
@Override
public String opName() {
return "while_bp";
}
@Override
public Op.Type opType() {
return Op.Type.CONDITIONAL;
}
@Override
public String tensorflowName() {
throw new NoOpNameFoundException("No tensorflow name for while backprop");
}
}