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SinTable.javaAPI DocExample1419Thu Apr 22 09:10:26 BST 2004javathreads.examples.ch15.example7

SinTable

public class SinTable extends GuidedLoopHandler

Fields Summary
private float[]
lookupValues
public float[]
sumValues
Constructors Summary
public SinTable()

        super(0, 360*100, 100, 12);
        lookupValues = new float [360 * 100];
        sumValues = new float [360 * 100];
Methods Summary
public float[]getValues()

        loopProcess();
        sumValues[0] = lookupValues[0];
        for (int i = 1; i < (360*100); i++) {
            sumValues[i] = lookupValues[i] + lookupValues[i-1];
        }
        return lookupValues;
public voidloopDoRange(int start, int end)

        float sinValue = 0.0f;
        for (int i = start; i < end; i++) {
            sinValue = (float)Math.sin((i % 360)*Math.PI/180.0);
            lookupValues[i] = sinValue * (float)i / 180.0f;
        }
public static voidmain(java.lang.String[] args)

        System.out.println("Starting Example 7 (Shared Variable Example)");

        SinTable st = new SinTable();
        float results[] = st.getValues();

        System.out.println("Results: "+ results[0]+ ", "+
                      results[1]+ ", "+ results[2]+ ", "+ "...");
        System.out.println("Sums: "+ st.sumValues[0]+ ", "+
              st.sumValues[1]+ ", "+ st.sumValues[2]+ ", "+ "...");
        System.out.println("Done");