Package org.jfree.data.function

Class LineFunction2D

java.lang.Object
org.jfree.data.function.LineFunction2D
All Implemented Interfaces:
Serializable, Function2D
public class LineFunction2D
extends Object
implements Function2D, Serializable
A function in the form y = a + bx.
See Also:
Serialized Form

  • Constructor Summary

    Constructors
    Constructor Description
    LineFunction2D​(double a, double b)
    Constructs a new line function.

  • Method Summary

    Modifier and Type Method Description
    boolean equals​(Object obj)
    Tests this function for equality with an arbitrary object.
    double getIntercept()
    Returns the 'a' coefficient that was specified in the constructor.
    double getSlope()
    Returns the 'b' coefficient that was specified in the constructor.
    double getValue​(double x)
    Returns the function value.
    int hashCode()
    Returns a hash code for this instance.

    Methods inherited from class java.lang.Object

    clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • LineFunction2D

      public LineFunction2D​(double a, double b)
      Constructs a new line function.
      Parameters:
      a - the intercept.
      b - the slope.

  • Method Details

    • getIntercept

      public double getIntercept()
      Returns the 'a' coefficient that was specified in the constructor.
      Returns:
      The 'a' coefficient.

    • getSlope

      public double getSlope()
      Returns the 'b' coefficient that was specified in the constructor.
      Returns:
      The 'b' coefficient.

    • getValue

      public double getValue​(double x)
      Returns the function value.
      Specified by:
      getValue in interface Function2D
      Parameters:
      x - the x-value.
      Returns:
      The value.

    • equals

      public boolean equals​(Object obj)
      Tests this function for equality with an arbitrary object.
      Overrides:
      equals in class Object
      Parameters:
      obj - the object (null permitted).
      Returns:
      A boolean.

    • hashCode

      public int hashCode()
      Returns a hash code for this instance.
      Overrides:
      hashCode in class Object
      Returns:
      A hash code.