src/main/java/org/apache/datasketches/characterization/quantiles/MSketchStreamAProfile.java [150:189]:
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  private static double[] buildRanksArr(final int numRanks) {
    final int numRM1 = numRanks - 1;
    final double[] fractions = new double[numRanks];
    final double delta = 1.0 / numRM1;
    double d = 0.0;
    for (int i = 0; i < numRanks; i++) {
      fractions[i] = d;
      d += delta;
      d = rint(d * numRM1) / numRM1;
    }
    return fractions;
  }

  private void checkIfZipped(final String srcFileName) {
    final File file = new File(srcFileName);
    if (!file.exists()) {
      final String srcZipFile = srcFileName + ".zip";
      final File zipFile = new File(srcZipFile);
      if (!zipFile.exists()) {
        throw new IllegalArgumentException("Neither file nor zipFile exists.");
      }
      final String parent = zipFile.getParent();
      job.println("Unzipping data file: " + srcZipFile + "...");
      UnzipFiles.unzip(srcZipFile, parent);
      if (!zipFile.exists()) {
        throw new IllegalArgumentException("Unsuccessful Unzip.");
      }
      job.println(srcZipFile + " unzipped!");
      dataWasZipped = true;
    }
  }

  @Override
  public void shutdown() {}

  @Override
  public void cleanup() {}

  // Callback
  class Process implements ProcessLine {
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src/main/java/org/apache/datasketches/characterization/quantiles/QuantilesStreamAProfile.java [168:208]:
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  private static double[] buildRanksArr(final int numRanks) {
    final int numRM1 = numRanks - 1;
    final double[] fractions = new double[numRanks];
    final double delta = 1.0 / numRM1;
    double d = 0.0;
    for (int i = 0; i < numRanks; i++) {
      fractions[i] = d;
      d += delta;
      d = rint(d * numRM1) / numRM1;
    }
    return fractions;
  }

  private void checkIfZipped(final String srcFileName) {
    final File file = new File(srcFileName);
    if (!file.exists()) {
      final String srcZipFile = srcFileName + ".zip";
      final File zipFile = new File(srcZipFile);
      if (!zipFile.exists()) {
        throw new IllegalArgumentException("Neither file nor zipFile exists.");
      }
      final String parent = zipFile.getParent();
      job.println("Unzipping data file: " + srcZipFile + "...");
      UnzipFiles.unzip(srcZipFile, parent);
      if (!zipFile.exists()) {
        throw new IllegalArgumentException("Unsuccessful Unzip.");
      }
      job.println(srcZipFile + " unzipped!");
      dataWasZipped = true;
    }
  }

  //JobProfile
  @Override
  public void shutdown() {}

  @Override
  public void cleanup() {}

  // Callback
  class Process implements ProcessLine {
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