Name: tb29552 Date: 05/16/98


Using the class below, execute it with the jit
and without. This is the result...

>java TestLargeNegLong
-1729256767
>java -nojit TestLargeNegLong
1


public class TestLargeNegLong {

  public static void main(String[] arg) {
    long l = 0xFFFFFFFFFFFFFFFFL;
    long out = test(l);
    System.out.println(out);
  }

  static long test(long s) {
    long sRaised = s;
    long n = 1799233297L;
    long prod = 1;

    for (int i = 0; i < 3; i++) {
      if (i == 1 || i == 2)
         prod = (prod * sRaised) % n;
      sRaised = (sRaised * sRaised) % n;
    }
    readVal(prod);
    return prod;
  }

  private static void readVal(long l) {
    if (l < 0) l = -l;
  }
}
(Review ID: 30014)
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