org.apache.commons.math3.util

## Class IntegerSequence

- java.lang.Object
- - org.apache.commons.math3.util.IntegerSequence

-     public class IntegerSequence
      extends Object

  Provides a sequence of integers.
  Since:
    3.6

- - ### Nested Class Summary

    Nested Classes
    Modifier and Type | Class and Description
    --- | ---
    `static class` | `IntegerSequence.Incrementor` Utility that increments a counter until a maximum is reached, at which point, the instance will by default throw a `MaxCountExceededException`.
    `static class` | `IntegerSequence.Range` Generates a sequence of integers.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `static IntegerSequence.Range` | `range(int start, int end)` Creates a sequence {@code [start ..
    `static IntegerSequence.Range` | `range(int start, int max, int step)` Creates a sequence \( a_i, i < 0 <= n \) where \( a_i = start + i * step \) and \( n \) is such that \( a_n <= max \) and \( a_{n+1} > max \).

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

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

- - ### Method Detail

    - #### range

          public static IntegerSequence.Range range(int start,
                                    int end)

      Creates a sequence `[start .. end]`. It calls `range(start, end, 1)`.
      Parameters:
        `start` - First value of the range.
        `end` - Last value of the range.
      Returns:
        a range.

    - #### range

          public static IntegerSequence.Range range(int start,
                                    int max,
                                    int step)

      Creates a sequence \( a_i, i < 0 <= n \) where \( a_i = start + i * step \) and \( n \) is such that \( a_n <= max \) and \( a_{n+1} > max \).
      Parameters:
        `start` - First value of the range.
        `max` - Last value of the range that satisfies the above construction rule.
        `step` - Increment.
      Returns:
        a range.

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