Examples of Summation

Examples of org.apache.hadoop.examples.pi.math.Summation

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  /** {@inheritDoc} */
  @Override
  public void readFields(DataInput in) throws IOException {
    final ArithmeticProgression N = ArithmeticProgressionWritable.read(in);
    final ArithmeticProgression E = ArithmeticProgressionWritable.read(in);
    sigma = new Summation(N, E);

    if (in.readBoolean()) {
      sigma.setValue(in.readDouble());
    }
  }
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Examples of org.apache.hadoop.examples.pi.math.Summation

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      }
    } finally {
      out.close();
    }
    if (combined.size() == 1) {
      final Summation s = combined.get(0).getElement();
      if (sigma.contains(s) && s.contains(sigma))
        sigma.setValue(s.getValue());
    }
  }
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Examples of org.apache.hadoop.examples.pi.math.Summation

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          + "\n  <sigma> The summation."
          + Parameters.DESCRIPTION);

    int i = 0;
    final String name = args[i++];
    final Summation sigma = Summation.valueOf(args[i++]);
    setParameters(DistSum.Parameters.parse(args, i));

    Util.out.println();
    Util.out.println("name  = " + name);
    Util.out.println("sigma = " + sigma);
    Util.out.println(parameters);
    Util.out.println();

    //run jobs
    final Summation result = execute(name, sigma);
    if (result.equals(sigma)) {
      sigma.setValue(result.getValue());
      timer.tick("\n\nDONE\n\nsigma=" + sigma);
      return 0;
    } else {
      timer.tick("\n\nDONE WITH ERROR\n\nresult=" + result);
      return 1;
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