package rpi.goldsd.graph;

/**
 * The <tt>InternalGraphError</tt> class is used to provide a mechanism
 * for the graph package classes and methods to abort operation due to an
 * arbitrary error condition.
 *
 * @version 2.0, 4/8/98
 * @author David Goldschmidt
 */
public class InternalGraphError extends Error
{
  /**
   * The default constructor simply calls the default constructor
   * of the parent class <tt>Error</tt>.
   */
  public InternalGraphError()  { super(); }


  /**
   * This constructor calls the corresponding constructor of the
   * parent class <tt>Error</tt> with the <tt>String</tt> argument
   * to be displayed.
   * @param s the <tt>String</tt> object to be displayed.
   */
  public InternalGraphError( String s )  { super( s ); }
}