Class Sign

java.lang.Object
org.moeaframework.util.tree.Node
org.moeaframework.util.tree.Sign
All Implemented Interfaces:
Serializable

public class Sign extends Node
The node for calculating the sign of a number. The sign of a number is 1 if the number is greater than zero, -1 if the number is less than zero, and 0 if the number is equal to zero.
Node signature:
Name Type Description
Argument 1 Number The number
Return Value Number The sign of the number
See Also:
  • Constructor Details

    • Sign

      public Sign()
      Constructs a new node for calculating the sign of a number.
  • Method Details

    • copyNode

      public Sign copyNode()
      Description copied from class: Node
      Returns a copy of this node, but without any children or parents assigned.
      Specified by:
      copyNode in class Node
      Returns:
      a copy of this node, but without any children or parents assigned
    • evaluate

      public Number evaluate(Environment environment)
      Description copied from class: Node
      Evaluates this node in the context of the specified environment.
      Specified by:
      evaluate in class Node
      Parameters:
      environment - the execution environment
      Returns:
      the result of evaluating this node