org.apache.commons.math3.analysis.function

## Class Signum

- java.lang.Object
- - org.apache.commons.math3.analysis.function.Signum

- All Implemented Interfaces:
    UnivariateFunction

      public class Signum
      extends Object
      implements UnivariateFunction

  `signum` function.
  Since:
    3.0

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `Signum()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `double` | `value(double x)` Compute the value of the function.

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

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

- - ### Constructor Detail

    - #### Signum

          public Signum()

  - ### Method Detail

    - #### value

          public double value(double x)

      Compute the value of the function.
      Specified by:
        `value` in interface `UnivariateFunction`
      Parameters:
        `x` - Point at which the function value should be computed.
      Returns:
        the value of the function.

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