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Java example source code file (AssertWeightsDifferentIerationListener.java)

This example Java source code file (AssertWeightsDifferentIerationListener.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

assertweightsdifferentierationlistener, indarray, iterationlistener, override, string

The AssertWeightsDifferentIerationListener.java Java example source code

package org.deeplearning4j.optimizer.listener;

import org.deeplearning4j.nn.api.Model;
import org.deeplearning4j.optimize.api.IterationListener;
import org.nd4j.linalg.api.ndarray.INDArray;

import static org.junit.Assert.*;

/**
 * @author Adam Gibson
 */
public class AssertWeightsDifferentIerationListener implements IterationListener {
    private INDArray lastWeights;
    private String param;
    //forgive 1 time being equal; it could be converged
    private int count = 0;

    public AssertWeightsDifferentIerationListener(String param) {
        this.param = param;
    }

    @Override
    public boolean invoked() {
        return false;
    }

    @Override
    public void invoke() {

    }

    @Override
    public void iterationDone(Model model, int iteration) {
        if(lastWeights == null)
            lastWeights = model.getParam(param).dup();
        else {
            count++;

            if(count < 2)
                return;

            if(count > 2)
                assertNotEquals(lastWeights,model.getParam(param));
            lastWeights = model.getParam(param).dup();
        }
    }
}

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