org.rrd4j.data

## Class RpnCalculator

- java.lang.Object
- - org.rrd4j.data.RpnCalculator

-     class RpnCalculator
      extends Object

  Reverse Polish Notation (RPN) expression calculator.
  Evaluates mathematical expressions on RRD data sources using RPN notation for efficient computation.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `RpnCalculator(String rpnExpression, String sourceName, DataProcessor dataProcessor)`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `(package private) double[]` | `calculateValues()`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Constructor Detail

    - #### RpnCalculator

          RpnCalculator(String rpnExpression,
                        String sourceName,
                        DataProcessor dataProcessor)

  - ### Method Detail

    - #### calculateValues

          double[] calculateValues()