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:

  • 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.