src/main/java/org/apache/datasketches/pig/kll/GetQuantiles.java [59:73]:
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      } else if (arg instanceof Double) { // just one fraction
        return TupleFactory.getInstance().newTuple(Arrays.asList(sketch.getQuantile((double) arg)));
      } else {
        throw new IllegalArgumentException("expected a double value as a fraction or an integer value"
            + " as a number of evenly spaced intervals, got " + arg.getClass().getSimpleName());
      }
    }
    // more than one number - must be double fractions
    final double[] fractions = new double[input.size() - 1];
    for (int i = 1; i < input.size(); i++) {
      if (!(input.get(i) instanceof Double)) {
        throw new IllegalArgumentException("expected a double value as a fraction, got "
            + input.get(i).getClass().getSimpleName());
      }
      fractions[i - 1] = (double) input.get(i);
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src/main/java/org/apache/datasketches/pig/quantiles/GetQuantilesFromDoublesSketch.java [58:72]:
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      } else if (arg instanceof Double) { // just one fraction
        return TupleFactory.getInstance().newTuple(Arrays.asList(sketch.getQuantile((double) arg)));
      } else {
        throw new IllegalArgumentException("expected a double value as a fraction or an integer value"
            + " as a number of evenly spaced intervals, got " + arg.getClass().getSimpleName());
      }
    }
    // more than one number - must be double fractions
    final double[] fractions = new double[input.size() - 1];
    for (int i = 1; i < input.size(); i++) {
      if (!(input.get(i) instanceof Double)) {
        throw new IllegalArgumentException("expected a double value as a fraction, got "
            + input.get(i).getClass().getSimpleName());
      }
      fractions[i - 1] = (double) input.get(i);
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