content: 
  //----------------------------------------------------
  // The following code was generated by CUP v0.11a beta 20060608
  // Mon Apr 26 10:55:03 NZST 2010
  //----------------------------------------------------
  
  package weka.core.mathematicalexpression;
  
  import java_cup.runtime.*;
  import java.io.*;
  import java.util.*;
  
  /** CUP v0.11a beta 20060608 generated parser.
    * @version Mon Apr 26 10:55:03 NZST 2010
    */
  public class Parser extends java_cup.runtime.lr_parser {
  
    /** Default constructor. */
    public Parser() {super();}
  
    /** Constructor which sets the default scanner. */
    public Parser(java_cup.runtime.Scanner s) {super(s);}
  
    /** Constructor which sets the default scanner. */
    public Parser(java_cup.runtime.Scanner s, java_cup.runtime.SymbolFactory sf) {super(s,sf);}
  
    /** Production table. */
    protected static final short _production_table[][] = 
      unpackFromStrings(new String[] {
      "\000\046\000\002\002\004\000\002\002\004\000\002\002" +
      "\003\000\002\003\003\000\002\004\003\000\002\004\005" +
      "\000\002\004\003\000\002\004\003\000\002\004\003\000" +
      "\002\005\005\000\002\005\005\000\002\005\005\000\002" +
      "\005\005\000\002\006\003\000\002\007\006\000\002\007" +
      "\006\000\002\007\006\000\002\007\006\000\002\007\006" +
      "\000\002\007\006\000\002\007\006\000\002\007\006\000" +
      "\002\007\006\000\002\007\010\000\002\007\006\000\002" +
      "\007\012\000\002\010\003\000\002\010\003\000\002\010" +
      "\003\000\002\010\005\000\002\010\005\000\002\010\005" +
      "\000\002\010\005\000\002\010\005\000\002\010\005\000" +
      "\002\010\004\000\002\010\005\000\002\010\005" });
  
    /** Access to production table. */
    public short[][] production_table() {return _production_table;}
  
    /** Parse-action table. */
    protected static final short[][] _action_table = 
      unpackFromStrings(new String[] {
      "\000\144\000\040\005\016\013\025\014\011\015\021\016" +
      "\020\017\005\020\010\021\030\022\015\023\014\024\012" +
      "\025\017\026\004\041\023\043\013\001\002\000\004\005" +
      "\110\001\002\000\004\005\105\001\002\000\052\002\ufffe" +
      "\005\ufffe\007\036\010\034\011\037\012\035\013\ufffe\014" +
      "\ufffe\015\ufffe\016\ufffe\017\ufffe\020\ufffe\021\ufffe\022\ufffe" +
      "\023\ufffe\024\ufffe\025\ufffe\026\ufffe\041\ufffe\043\ufffe\001" +
      "\002\000\074\002\ufffa\004\ufffa\005\ufffa\006\ufffa\007\ufffa" +
      "\010\ufffa\011\ufffa\012\ufffa\013\ufffa\014\ufffa\015\ufffa\016" +
      "\ufffa\017\ufffa\020\ufffa\021\ufffa\022\ufffa\023\ufffa\024\ufffa" +
      "\025\ufffa\026\ufffa\031\ufffa\032\ufffa\033\ufffa\034\ufffa\035" +
      "\ufffa\037\ufffa\040\ufffa\041\ufffa\043\ufffa\001\002\000\004" +
      "\005\102\001\002\000\004\005\077\001\002\000\004\005" +
      "\072\001\002\000\074\002\ufff4\004\ufff4\005\ufff4\006\ufff4" +
      "\007\ufff4\010\ufff4\011\ufff4\012\ufff4\013\ufff4\014\ufff4\015" +
      "\ufff4\016\ufff4\017\ufff4\020\ufff4\021\ufff4\022\ufff4\023\ufff4" +
      "\024\ufff4\025\ufff4\026\ufff4\031\ufff4\032\ufff4\033\ufff4\034" +
      "\ufff4\035\ufff4\037\ufff4\040\ufff4\041\ufff4\043\ufff4\001\002" +
      "\000\004\005\067\001\002\000\004\005\064\001\002\000" +
      "\040\005\016\013\025\014\011\015\021\016\020\017\005" +
      "\020\010\021\030\022\015\023\014\024\012\025\017\026" +
      "\004\041\023\043\013\001\002\000\004\005\057\001\002" +
      "\000\004\005\054\001\002\000\004\005\051\001\002\000" +
      "\042\002\uffff\005\uffff\013\uffff\014\uffff\015\uffff\016\uffff" +
      "\017\uffff\020\uffff\021\uffff\022\uffff\023\uffff\024\uffff\025" +
      "\uffff\026\uffff\041\uffff\043\uffff\001\002\000\074\002\ufffd" +
      "\004\ufffd\005\ufffd\006\ufffd\007\ufffd\010\ufffd\011\ufffd\012" +
      "\ufffd\013\ufffd\014\ufffd\015\ufffd\016\ufffd\017\ufffd\020\ufffd" +
      "\021\ufffd\022\ufffd\023\ufffd\024\ufffd\025\ufffd\026\ufffd\031" +
      "\ufffd\032\ufffd\033\ufffd\034\ufffd\035\ufffd\037\ufffd\040\ufffd" +
      "\041\ufffd\043\ufffd\001\002\000\074\002\ufff9\004\ufff9\005" +
      "\ufff9\006\ufff9\007\ufff9\010\ufff9\011\ufff9\012\ufff9\013\ufff9" +
      "\014\ufff9\015\ufff9\016\ufff9\017\ufff9\020\ufff9\021\ufff9\022" +
      "\ufff9\023\ufff9\024\ufff9\025\ufff9\026\ufff9\031\ufff9\032\ufff9" +
      "\033\ufff9\034\ufff9\035\ufff9\037\ufff9\040\ufff9\041\ufff9\043" +
      "\ufff9\001\002\000\004\005\046\001\002\000\042\002\045" +
      "\005\016\013\025\014\011\015\021\016\020\017\005\020" +
      "\010\021\030\022\015\023\014\024\012\025\017\026\004" +
      "\041\023\043\013\001\002\000\074\002\ufffb\004\ufffb\005" +
      "\ufffb\006\ufffb\007\ufffb\010\ufffb\011\ufffb\012\ufffb\013\ufffb" +
      "\014\ufffb\015\ufffb\016\ufffb\017\ufffb\020\ufffb\021\ufffb\022" +
      "\ufffb\023\ufffb\024\ufffb\025\ufffb\026\ufffb\031\ufffb\032\ufffb" +
      "\033\ufffb\034\ufffb\035\ufffb\037\ufffb\040\ufffb\041\ufffb\043" +
      "\ufffb\001\002\000\004\005\031\001\002\000\040\005\016" +
      "\013\025\014\011\015\021\016\020\017\005\020\010\021" +
      "\030\022\015\023\014\024\012\025\017\026\004\041\023" +
      "\043\013\001\002\000\014\006\033\007\036\010\034\011" +
      "\037\012\035\001\002\000\074\002\uffed\004\uffed\005\uffed" +
      "\006\uffed\007\uffed\010\uffed\011\uffed\012\uffed\013\uffed\014" +
      "\uffed\015\uffed\016\uffed\017\uffed\020\uffed\021\uffed\022\uffed" +
      "\023\uffed\024\uffed\025\uffed\026\uffed\031\uffed\032\uffed\033" +
      "\uffed\034\uffed\035\uffed\037\uffed\040\uffed\041\uffed\043\uffed" +
      "\001\002\000\040\005\016\013\025\014\011\015\021\016" +
      "\020\017\005\020\010\021\030\022\015\023\014\024\012" +
      "\025\017\026\004\041\023\043\013\001\002\000\040\005" +
      "\016\013\025\014\011\015\021\016\020\017\005\020\010" +
      "\021\030\022\015\023\014\024\012\025\017\026\004\041" +
      "\023\043\013\001\002\000\040\005\016\013\025\014\011" +
      "\015\021\016\020\017\005\020\010\021\030\022\015\023" +
      "\014\024\012\025\017\026\004\041\023\043\013\001\002" +
      "\000\040\005\016\013\025\014\011\015\021\016\020\017" +
      "\005\020\010\021\030\022\015\023\014\024\012\025\017" +
      "\026\004\041\023\043\013\001\002\000\074\002\ufff6\004" +
      "\ufff6\005\ufff6\006\ufff6\007\ufff6\010\ufff6\011\ufff6\012\ufff6" +
      "\013\ufff6\014\ufff6\015\ufff6\016\ufff6\017\ufff6\020\ufff6\021" +
      "\ufff6\022\ufff6\023\ufff6\024\ufff6\025\ufff6\026\ufff6\031\ufff6" +
      "\032\ufff6\033\ufff6\034\ufff6\035\ufff6\037\ufff6\040\ufff6\041" +
      "\ufff6\043\ufff6\001\002\000\074\002\ufff7\004\ufff7\005\ufff7" +
      "\006\ufff7\007\ufff7\010\ufff7\011\037\012\035\013\ufff7\014" +
      "\ufff7\015\ufff7\016\ufff7\017\ufff7\020\ufff7\021\ufff7\022\ufff7" +
      "\023\ufff7\024\ufff7\025\ufff7\026\ufff7\031\ufff7\032\ufff7\033" +
      "\ufff7\034\ufff7\035\ufff7\037\ufff7\040\ufff7\041\ufff7\043\ufff7" +
      "\001\002\000\074\002\ufff5\004\ufff5\005\ufff5\006\ufff5\007" +
      "\ufff5\010\ufff5\011\ufff5\012\ufff5\013\ufff5\014\ufff5\015\ufff5" +
      "\016\ufff5\017\ufff5\020\ufff5\021\ufff5\022\ufff5\023\ufff5\024" +
      "\ufff5\025\ufff5\026\ufff5\031\ufff5\032\ufff5\033\ufff5\034\ufff5" +
      "\035\ufff5\037\ufff5\040\ufff5\041\ufff5\043\ufff5\001\002\000" +
      "\074\002\ufff8\004\ufff8\005\ufff8\006\ufff8\007\ufff8\010\ufff8" +
      "\011\037\012\035\013\ufff8\014\ufff8\015\ufff8\016\ufff8\017" +
      "\ufff8\020\ufff8\021\ufff8\022\ufff8\023\ufff8\024\ufff8\025\ufff8" +
      "\026\ufff8\031\ufff8\032\ufff8\033\ufff8\034\ufff8\035\ufff8\037" +
      "\ufff8\040\ufff8\041\ufff8\043\ufff8\001\002\000\042\002\001" +
      "\005\001\013\001\014\001\015\001\016\001\017\001\020" +
      "\001\021\001\022\001\023\001\024\001\025\001\026\001" +
      "\041\001\043\001\001\002\000\004\002\000\001\002\000" +
      "\040\005\016\013\025\014\011\015\021\016\020\017\005" +
      "\020\010\021\030\022\015\023\014\024\012\025\017\026" +
      "\004\041\023\043\013\001\002\000\014\006\050\007\036" +
      "\010\034\011\037\012\035\001\002\000\074\002\ufff3\004" +
      "\ufff3\005\ufff3\006\ufff3\007\ufff3\010\ufff3\011\ufff3\012\ufff3" +
      "\013\ufff3\014\ufff3\015\ufff3\016\ufff3\017\ufff3\020\ufff3\021" +
      "\ufff3\022\ufff3\023\ufff3\024\ufff3\025\ufff3\026\ufff3\031\ufff3" +
      "\032\ufff3\033\ufff3\034\ufff3\035\ufff3\037\ufff3\040\ufff3\041" +
      "\ufff3\043\ufff3\001\002\000\040\005\016\013\025\014\011" +
      "\015\021\016\020\017\005\020\010\021\030\022\015\023" +
      "\014\024\012\025\017\026\004\041\023\043\013\001\002" +
      "\000\014\006\053\007\036\010\034\011\037\012\035\001" +
      "\002\000\074\002\ufff1\004\ufff1\005\ufff1\006\ufff1\007\ufff1" +
      "\010\ufff1\011\ufff1\012\ufff1\013\ufff1\014\ufff1\015\ufff1\016" +
      "\ufff1\017\ufff1\020\ufff1\021\ufff1\022\ufff1\023\ufff1\024\ufff1" +
      "\025\ufff1\026\ufff1\031\ufff1\032\ufff1\033\ufff1\034\ufff1\035" +
      "\ufff1\037\ufff1\040\ufff1\041\ufff1\043\ufff1\001\002\000\040" +
      "\005\016\013\025\014\011\015\021\016\020\017\005\020" +
      "\010\021\030\022\015\023\014\024\012\025\017\026\004" +
      "\041\023\043\013\001\002\000\014\006\056\007\036\010" +
      "\034\011\037\012\035\001\002\000\074\002\ufff0\004\ufff0" +
      "\005\ufff0\006\ufff0\007\ufff0\010\ufff0\011\ufff0\012\ufff0\013" +
      "\ufff0\014\ufff0\015\ufff0\016\ufff0\017\ufff0\020\ufff0\021\ufff0" +
      "\022\ufff0\023\ufff0\024\ufff0\025\ufff0\026\ufff0\031\ufff0\032" +
      "\ufff0\033\ufff0\034\ufff0\035\ufff0\037\ufff0\040\ufff0\041\ufff0" +
      "\043\ufff0\001\002\000\040\005\016\013\025\014\011\015" +
      "\021\016\020\017\005\020\010\021\030\022\015\023\014" +
      "\024\012\025\017\026\004\041\023\043\013\001\002\000" +
      "\014\006\061\007\036\010\034\011\037\012\035\001\002" +
      "\000\074\002\uffe9\004\uffe9\005\uffe9\006\uffe9\007\uffe9\010" +
      "\uffe9\011\uffe9\012\uffe9\013\uffe9\014\uffe9\015\uffe9\016\uffe9" +
      "\017\uffe9\020\uffe9\021\uffe9\022\uffe9\023\uffe9\024\uffe9\025" +
      "\uffe9\026\uffe9\031\uffe9\032\uffe9\033\uffe9\034\uffe9\035\uffe9" +
      "\037\uffe9\040\uffe9\041\uffe9\043\uffe9\001\002\000\014\006" +
      "\063\007\036\010\034\011\037\012\035\001\002\000\074" +
      "\002\ufffc\004\ufffc\005\ufffc\006\ufffc\007\ufffc\010\ufffc\011" +
      "\ufffc\012\ufffc\013\ufffc\014\ufffc\015\ufffc\016\ufffc\017\ufffc" +
      "\020\ufffc\021\ufffc\022\ufffc\023\ufffc\024\ufffc\025\ufffc\026" +
      "\ufffc\031\ufffc\032\ufffc\033\ufffc\034\ufffc\035\ufffc\037\ufffc" +
      "\040\ufffc\041\ufffc\043\ufffc\001\002\000\040\005\016\013" +
      "\025\014\011\015\021\016\020\017\005\020\010\021\030" +
      "\022\015\023\014\024\012\025\017\026\004\041\023\043" +
      "\013\001\002\000\014\006\066\007\036\010\034\011\037" +
      "\012\035\001\002\000\074\002\uffec\004\uffec\005\uffec\006" +
      "\uffec\007\uffec\010\uffec\011\uffec\012\uffec\013\uffec\014\uffec" +
      "\015\uffec\016\uffec\017\uffec\020\uffec\021\uffec\022\uffec\023" +
      "\uffec\024\uffec\025\uffec\026\uffec\031\uffec\032\uffec\033\uffec" +
      "\034\uffec\035\uffec\037\uffec\040\uffec\041\uffec\043\uffec\001" +
      "\002\000\040\005\016\013\025\014\011\015\021\016\020" +
      "\017\005\020\010\021\030\022\015\023\014\024\012\025" +
      "\017\026\004\041\023\043\013\001\002\000\014\006\071" +
      "\007\036\010\034\011\037\012\035\001\002\000\074\002" +
      "\uffeb\004\uffeb\005\uffeb\006\uffeb\007\uffeb\010\uffeb\011\uffeb" +
      "\012\uffeb\013\uffeb\014\uffeb\015\uffeb\016\uffeb\017\uffeb\020" +
      "\uffeb\021\uffeb\022\uffeb\023\uffeb\024\uffeb\025\uffeb\026\uffeb" +
      "\031\uffeb\032\uffeb\033\uffeb\034\uffeb\035\uffeb\037\uffeb\040" +
      "\uffeb\041\uffeb\043\uffeb\001\002\000\040\005\016\013\025" +
      "\014\011\015\021\016\020\017\005\020\010\021\030\022" +
      "\015\023\014\024\012\025\017\026\004\041\023\043\013" +
      "\001\002\000\014\004\074\007\036\010\034\011\037\012" +
      "\035\001\002\000\040\005\016\013\025\014\011\015\021" +
      "\016\020\017\005\020\010\021\030\022\015\023\014\024" +
      "\012\025\017\026\004\041\023\043\013\001\002\000\014" +
      "\006\076\007\036\010\034\011\037\012\035\001\002\000" +
      "\074\002\uffea\004\uffea\005\uffea\006\uffea\007\uffea\010\uffea" +
      "\011\uffea\012\uffea\013\uffea\014\uffea\015\uffea\016\uffea\017" +
      "\uffea\020\uffea\021\uffea\022\uffea\023\uffea\024\uffea\025\uffea" +
      "\026\uffea\031\uffea\032\uffea\033\uffea\034\uffea\035\uffea\037" +
      "\uffea\040\uffea\041\uffea\043\uffea\001\002\000\040\005\016" +
      "\013\025\014\011\015\021\016\020\017\005\020\010\021" +
      "\030\022\015\023\014\024\012\025\017\026\004\041\023" +
      "\043\013\001\002\000\014\006\101\007\036\010\034\011" +
      "\037\012\035\001\002\000\074\002\ufff2\004\ufff2\005\ufff2" +
      "\006\ufff2\007\ufff2\010\ufff2\011\ufff2\012\ufff2\013\ufff2\014" +
      "\ufff2\015\ufff2\016\ufff2\017\ufff2\020\ufff2\021\ufff2\022\ufff2" +
      "\023\ufff2\024\ufff2\025\ufff2\026\ufff2\031\ufff2\032\ufff2\033" +
      "\ufff2\034\ufff2\035\ufff2\037\ufff2\040\ufff2\041\ufff2\043\ufff2" +
      "\001\002\000\040\005\016\013\025\014\011\015\021\016" +
      "\020\017\005\020\010\021\030\022\015\023\014\024\012" +
      "\025\017\026\004\041\023\043\013\001\002\000\014\006" +
      "\104\007\036\010\034\011\037\012\035\001\002\000\074" +
      "\002\uffee\004\uffee\005\uffee\006\uffee\007\uffee\010\uffee\011" +
      "\uffee\012\uffee\013\uffee\014\uffee\015\uffee\016\uffee\017\uffee" +
      "\020\uffee\021\uffee\022\uffee\023\uffee\024\uffee\025\uffee\026" +
      "\uffee\031\uffee\032\uffee\033\uffee\034\uffee\035\uffee\037\uffee" +
      "\040\uffee\041\uffee\043\uffee\001\002\000\040\005\016\013" +
      "\025\014\011\015\021\016\020\017\005\020\010\021\030" +
      "\022\015\023\014\024\012\025\017\026\004\041\023\043" +
      "\013\001\002\000\014\006\107\007\036\010\034\011\037" +
      "\012\035\001\002\000\074\002\uffef\004\uffef\005\uffef\006" +
      "\uffef\007\uffef\010\uffef\011\uffef\012\uffef\013\uffef\014\uffef" +
      "\015\uffef\016\uffef\017\uffef\020\uffef\021\uffef\022\uffef\023" +
      "\uffef\024\uffef\025\uffef\026\uffef\031\uffef\032\uffef\033\uffef" +
      "\034\uffef\035\uffef\037\uffef\040\uffef\041\uffef\043\uffef\001" +
      "\002\000\050\005\114\013\025\014\011\015\021\016\020" +
      "\017\005\020\010\021\030\022\015\023\014\024\012\025" +
      "\017\026\004\027\113\030\117\036\112\041\023\042\115" +
      "\043\013\001\002\000\024\007\036\010\034\011\037\012" +
      "\035\031\140\032\136\033\137\034\134\035\135\001\002" +
      "\000\050\005\114\013\025\014\011\015\021\016\020\017" +
      "\005\020\010\021\030\022\015\023\014\024\012\025\017" +
      "\026\004\027\113\030\117\036\112\041\023\042\115\043" +
      "\013\001\002\000\012\004\uffe6\006\uffe6\037\uffe6\040\uffe6" +
      "\001\002\000\050\005\114\013\025\014\011\015\021\016" +
      "\020\017\005\020\010\021\030\022\015\023\014\024\012" +
      "\025\017\026\004\027\113\030\117\036\112\041\023\042" +
      "\115\043\013\001\002\000\012\004\uffe7\006\uffe7\037\uffe7" +
      "\040\uffe7\001\002\000\010\004\120\037\121\040\122\001" +
      "\002\000\012\004\uffe5\006\uffe5\037\uffe5\040\uffe5\001\002" +
      "\000\040\005\016\013\025\014\011\015\021\016\020\017" +
      "\005\020\010\021\030\022\015\023\014\024\012\025\017" +
      "\026\004\041\023\043\013\001\002\000\050\005\114\013" +
      "\025\014\011\015\021\016\020\017\005\020\010\021\030" +
      "\022\015\023\014\024\012\025\017\026\004\027\113\030" +
      "\117\036\112\041\023\042\115\043\013\001\002\000\050" +
      "\005\114\013\025\014\011\015\021\016\020\017\005\020" +
      "\010\021\030\022\015\023\014\024\012\025\017\026\004" +
      "\027\113\030\117\036\112\041\023\042\115\043\013\001" +
      "\002\000\012\004\uffdc\006\uffdc\037\uffdc\040\uffdc\001\002" +
      "\000\012\004\uffdd\006\uffdd\037\uffdd\040\uffdd\001\002\000" +
      "\014\004\126\007\036\010\034\011\037\012\035\001\002" +
      "\000\040\005\016\013\025\014\011\015\021\016\020\017" +
      "\005\020\010\021\030\022\015\023\014\024\012\025\017" +
      "\026\004\041\023\043\013\001\002\000\014\006\130\007" +
      "\036\010\034\011\037\012\035\001\002\000\074\002\uffe8" +
      "\004\uffe8\005\uffe8\006\uffe8\007\uffe8\010\uffe8\011\uffe8\012" +
      "\uffe8\013\uffe8\014\uffe8\015\uffe8\016\uffe8\017\uffe8\020\uffe8" +
      "\021\uffe8\022\uffe8\023\uffe8\024\uffe8\025\uffe8\026\uffe8\031" +
      "\uffe8\032\uffe8\033\uffe8\034\uffe8\035\uffe8\037\uffe8\040\uffe8" +
      "\041\uffe8\043\uffe8\001\002\000\026\006\063\007\036\010" +
      "\034\011\037\012\035\031\140\032\136\033\137\034\134" +
      "\035\135\001\002\000\010\006\133\037\121\040\122\001" +
      "\002\000\012\004\uffdf\006\uffdf\037\uffdf\040\uffdf\001\002" +
      "\000\040\005\016\013\025\014\011\015\021\016\020\017" +
      "\005\020\010\021\030\022\015\023\014\024\012\025\017" +
      "\026\004\041\023\043\013\001\002\000\040\005\016\013" +
      "\025\014\011\015\021\016\020\017\005\020\010\021\030" +
      "\022\015\023\014\024\012\025\017\026\004\041\023\043" +
      "\013\001\002\000\040\005\016\013\025\014\011\015\021" +
      "\016\020\017\005\020\010\021\030\022\015\023\014\024" +
      "\012\025\017\026\004\041\023\043\013\001\002\000\040" +
      "\005\016\013\025\014\011\015\021\016\020\017\005\020" +
      "\010\021\030\022\015\023\014\024\012\025\017\026\004" +
      "\041\023\043\013\001\002\000\040\005\016\013\025\014" +
      "\011\015\021\016\020\017\005\020\010\021\030\022\015" +
      "\023\014\024\012\025\017\026\004\041\023\043\013\001" +
      "\002\000\022\004\uffe4\006\uffe4\007\036\010\034\011\037" +
      "\012\035\037\uffe4\040\uffe4\001\002\000\022\004\uffe2\006" +
      "\uffe2\007\036\010\034\011\037\012\035\037\uffe2\040\uffe2" +
      "\001\002\000\022\004\uffe3\006\uffe3\007\036\010\034\011" +
      "\037\012\035\037\uffe3\040\uffe3\001\002\000\022\004\uffe0" +
      "\006\uffe0\007\036\010\034\011\037\012\035\037\uffe0\040" +
      "\uffe0\001\002\000\022\004\uffe1\006\uffe1\007\036\010\034" +
      "\011\037\012\035\037\uffe1\040\uffe1\001\002\000\012\004" +
      "\uffde\006\uffde\037\uffde\040\uffde\001\002" });
  
    /** Access to parse-action table. */
    public short[][] action_table() {return _action_table;}
  
    /** <code>reduce_goto</code> table. */
    protected static final short[][] _reduce_table = 
      unpackFromStrings(new String[] {
      "\000\144\000\016\002\025\003\021\004\005\005\026\006" +
      "\006\007\023\001\001\000\002\001\001\000\002\001\001" +
      "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
      "\002\001\001\000\002\001\001\000\002\001\001\000\002" +
      "\001\001\000\002\001\001\000\012\004\061\005\026\006" +
      "\006\007\023\001\001\000\002\001\001\000\002\001\001" +
      "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
      "\002\001\001\000\002\001\001\000\014\003\043\004\005" +
      "\005\026\006\006\007\023\001\001\000\002\001\001\000" +
      "\002\001\001\000\012\004\031\005\026\006\006\007\023" +
      "\001\001\000\002\001\001\000\002\001\001\000\012\004" +
      "\042\005\026\006\006\007\023\001\001\000\012\004\041" +
      "\005\026\006\006\007\023\001\001\000\012\004\040\005" +
      "\026\006\006\007\023\001\001\000\012\004\037\005\026" +
      "\006\006\007\023\001\001\000\002\001\001\000\002\001" +
      "\001\000\002\001\001\000\002\001\001\000\002\001\001" +
      "\000\002\001\001\000\012\004\046\005\026\006\006\007" +
      "\023\001\001\000\002\001\001\000\002\001\001\000\012" +
      "\004\051\005\026\006\006\007\023\001\001\000\002\001" +
      "\001\000\002\001\001\000\012\004\054\005\026\006\006" +
      "\007\023\001\001\000\002\001\001\000\002\001\001\000" +
      "\012\004\057\005\026\006\006\007\023\001\001\000\002" +
      "\001\001\000\002\001\001\000\002\001\001\000\002\001" +
      "\001\000\012\004\064\005\026\006\006\007\023\001\001" +
      "\000\002\001\001\000\002\001\001\000\012\004\067\005" +
      "\026\006\006\007\023\001\001\000\002\001\001\000\002" +
      "\001\001\000\012\004\072\005\026\006\006\007\023\001" +
      "\001\000\002\001\001\000\012\004\074\005\026\006\006" +
      "\007\023\001\001\000\002\001\001\000\002\001\001\000" +
      "\012\004\077\005\026\006\006\007\023\001\001\000\002" +
      "\001\001\000\002\001\001\000\012\004\102\005\026\006" +
      "\006\007\023\001\001\000\002\001\001\000\002\001\001" +
      "\000\012\004\105\005\026\006\006\007\023\001\001\000" +
      "\002\001\001\000\002\001\001\000\014\004\110\005\026" +
      "\006\006\007\023\010\115\001\001\000\002\001\001\000" +
      "\014\004\110\005\026\006\006\007\023\010\145\001\001" +
      "\000\002\001\001\000\014\004\130\005\026\006\006\007" +
      "\023\010\131\001\001\000\002\001\001\000\002\001\001" +
      "\000\002\001\001\000\012\004\124\005\026\006\006\007" +
      "\023\001\001\000\014\004\110\005\026\006\006\007\023" +
      "\010\123\001\001\000\014\004\110\005\026\006\006\007" +
      "\023\010\122\001\001\000\002\001\001\000\002\001\001" +
      "\000\002\001\001\000\012\004\126\005\026\006\006\007" +
      "\023\001\001\000\002\001\001\000\002\001\001\000\002" +
      "\001\001\000\002\001\001\000\002\001\001\000\012\004" +
      "\144\005\026\006\006\007\023\001\001\000\012\004\143" +
      "\005\026\006\006\007\023\001\001\000\012\004\142\005" +
      "\026\006\006\007\023\001\001\000\012\004\141\005\026" +
      "\006\006\007\023\001\001\000\012\004\140\005\026\006" +
      "\006\007\023\001\001\000\002\001\001\000\002\001\001" +
      "\000\002\001\001\000\002\001\001\000\002\001\001\000" +
      "\002\001\001" });
  
    /** Access to <code>reduce_goto</code> table. */
    public short[][] reduce_table() {return _reduce_table;}
  
    /** Instance of action encapsulation class. */
    protected CUP$Parser$actions action_obj;
  
    /** Action encapsulation object initializer. */
    protected void init_actions()
      {
        action_obj = new CUP$Parser$actions(this);
      }
  
    /** Invoke a user supplied parse action. */
    public java_cup.runtime.Symbol do_action(
      int                        act_num,
      java_cup.runtime.lr_parser parser,
      java.util.Stack            stack,
      int                        top)
      throws java.lang.Exception
    {
      /* call code in generated class */
      return action_obj.CUP$Parser$do_action(act_num, parser, stack, top);
    }
  
    /** Indicates start state. */
    public int start_state() {return 0;}
    /** Indicates start production. */
    public int start_production() {return 1;}
  
    /** <code>EOF</code> Symbol index. */
    public int EOF_sym() {return 0;}
  
    /** <code>error</code> Symbol index. */
    public int error_sym() {return 1;}
  
  
  
    /** variable - value relation. */
    protected HashMap m_Symbols = new HashMap();
  
    /** for storing the result of the expresion. */
    protected Double m_Result = null;
  
    /**
     * Sets the variable - value relation to use.
     * 
     * @param value the variable-value relation
     */
    public void setSymbols(HashMap value) {
      m_Symbols = value;
    }
  
    /**
     * Returns the current variable - value relation in use.
     * 
     * @return the variable-value relation
     */
    public HashMap getSymbols() {
      return m_Symbols;
    }
  
    /**
     * Sets the result of the evaluation.
     * 
     * @param value the result
     */
    public void setResult(Double value) {
      m_Result = value;
    }
  
    /**
     * Returns the result of the evaluation.
     * 
     * @return the result
     */
    public Double getResult() {
      return m_Result;
    }
  
    /**
     * Runs the parser from commandline. Either reads lines from System.in
     * or from a provided file (line by line). With 
     * <code>-symbols <semi-colon separated list of variable/value pairs></code>
     * as first parameter one can provide predefined variable values. E.g.:
     * <code>-symbols "Y=10;X=3" "X+Y"</code>
     * 
     * @param args the commandline arguments
     * @throws Exception if something goes wrong
     */
    public static void main(String args[]) throws Exception {
      // read symbols, if present
      HashMap symbols = new HashMap();
      if (args.length > 0) {
        if (args[0].equals("-symbols")) {
          // parse symbols
          String[] pairs = args[1].replaceAll(" ", "").split(";");
          for (int i = 0; i < pairs.length; i++) {
            String[] parts = pairs[i].split("=");
            symbols.put(parts[0], new Double(parts[1]));
          }
          // print symbols
          System.out.println("\nSymbols provided:");
          Iterator iter = symbols.keySet().iterator();
          while (iter.hasNext()) {
            String key = (String) iter.next();
            System.out.println(key + "=" + symbols.get(key));
          }
          // remove symbols from commandline
          String[] argsNew = new String[args.length - 2];
          System.arraycopy(args, 2, argsNew, 0, argsNew.length);
          args = argsNew;
        }
      }
  
      // setup input stream
      int index = -1;
      if (args.length == 1)
        index = 0;
      BufferedReader input = null;
      if (index == -1) {
        System.out.println("\nPlease type in expressions (and press <Enter>), exit with <Ctrl+D>:");
        input = new BufferedReader(new InputStreamReader(System.in));
      }
      else {
        System.out.println("\nReading expressions from file '" + args[index] + "':");
        input = new BufferedReader(new FileReader(args[index]));
      }
  
      // process stream
      SymbolFactory sf = new DefaultSymbolFactory();
      String line;
      while ((line = input.readLine()) != null) {
        ByteArrayInputStream parserInput = new ByteArrayInputStream(line.getBytes());
        Parser parser = new Parser(new Scanner(parserInput,sf), sf);
        parser.setSymbols(symbols);
        parser.parse();
        System.out.println(line + " = " + parser.getResult());
      }
    }
  
  }
  
  /** Cup generated class to encapsulate user supplied action code.*/
  class CUP$Parser$actions {
    private final Parser parser;
  
    /** Constructor */
    CUP$Parser$actions(Parser parser) {
      this.parser = parser;
    }
  
    /** Method with the actual generated action code. */
    public final java_cup.runtime.Symbol CUP$Parser$do_action(
      int                        CUP$Parser$act_num,
      java_cup.runtime.lr_parser CUP$Parser$parser,
      java.util.Stack            CUP$Parser$stack,
      int                        CUP$Parser$top)
      throws java.lang.Exception
      {
        /* Symbol object for return from actions */
        java_cup.runtime.Symbol CUP$Parser$result;
  
        /* select the action based on the action number */
        switch (CUP$Parser$act_num)
          {
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 37: // boolexpr ::= boolexpr OR boolexpr 
              {
                Boolean RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Boolean l = (Boolean)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Boolean r = (Boolean)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = l || r; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 36: // boolexpr ::= boolexpr AND boolexpr 
              {
                Boolean RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Boolean l = (Boolean)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Boolean r = (Boolean)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = l && r; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 35: // boolexpr ::= NOT boolexpr 
              {
                Boolean RESULT =null;
  		int bleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int bright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Boolean b = (Boolean)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = !b; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 34: // boolexpr ::= LPAREN boolexpr RPAREN 
              {
                Boolean RESULT =null;
  		int bleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int bright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Boolean b = (Boolean)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = b; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 33: // boolexpr ::= expr EQ expr 
              {
                Boolean RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Boolean(l.doubleValue() == r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 32: // boolexpr ::= expr GE expr 
              {
                Boolean RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Boolean(l.doubleValue() >= r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 31: // boolexpr ::= expr GT expr 
              {
                Boolean RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Boolean(l.doubleValue() > r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 30: // boolexpr ::= expr LE expr 
              {
                Boolean RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Boolean(l.doubleValue() <= r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 29: // boolexpr ::= expr LT expr 
              {
                Boolean RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Boolean(l.doubleValue() < r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 28: // boolexpr ::= FALSE 
              {
                Boolean RESULT =null;
  		 RESULT = new Boolean(false); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 27: // boolexpr ::= TRUE 
              {
                Boolean RESULT =null;
  		 RESULT = new Boolean(true); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 26: // boolexpr ::= BOOLEAN 
              {
                Boolean RESULT =null;
  		int bleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int bright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Boolean b = (Boolean)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = b; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("boolexpr",6, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 25: // funcexpr ::= IFELSE LPAREN boolexpr COMMA expr COMMA expr RPAREN 
              {
                Double RESULT =null;
  		int bleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-5)).left;
  		int bright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-5)).right;
  		Boolean b = (Boolean)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-5)).value;
  		int e_trueleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)).left;
  		int e_trueright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)).right;
  		Double e_true = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-3)).value;
  		int e_falseleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int e_falseright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e_false = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 if (b) 
                       RESULT = e_true; 
                     else
                       RESULT = e_false; 
                  
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-7)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 24: // funcexpr ::= CEIL LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.ceil(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 23: // funcexpr ::= POW LPAREN expr COMMA expr RPAREN 
              {
                Double RESULT =null;
  		int baseleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)).left;
  		int baseright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)).right;
  		Double base = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-3)).value;
  		int exponentleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int exponentright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double exponent = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.pow(base, exponent)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-5)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 22: // funcexpr ::= FLOOR LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.floor(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 21: // funcexpr ::= RINT LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.rint(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 20: // funcexpr ::= TAN LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.tan(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 19: // funcexpr ::= COS LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.cos(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 18: // funcexpr ::= SIN LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.sin(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 17: // funcexpr ::= EXP LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.exp(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 16: // funcexpr ::= LOG LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.log(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 15: // funcexpr ::= SQRT LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.sqrt(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 14: // funcexpr ::= ABS LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = new Double(Math.abs(e)); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("funcexpr",5, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-3)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 13: // varexpr ::= VARIABLE 
              {
                Double RESULT =null;
  		int vleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int vright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		String v = (String)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 if (parser.getSymbols().containsKey(v)) 
                       RESULT = (Double) parser.getSymbols().get(v); 
                     else 
                       throw new IllegalStateException("Unknown symbol '" + v + "'!"); 
                  
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("varexpr",4, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 12: // opexpr ::= expr DIVISION expr 
              {
                Double RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Double(l.doubleValue() / r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("opexpr",3, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 11: // opexpr ::= expr TIMES expr 
              {
                Double RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Double(l.doubleValue() * r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("opexpr",3, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 10: // opexpr ::= expr MINUS expr 
              {
                Double RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Double(l.doubleValue() - r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("opexpr",3, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 9: // opexpr ::= expr PLUS expr 
              {
                Double RESULT =null;
  		int lleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).left;
  		int lright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)).right;
  		Double l = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-2)).value;
  		int rleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int rright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double r = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = new Double(l.doubleValue() + r.doubleValue()); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("opexpr",3, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 8: // expr ::= funcexpr 
              {
                Double RESULT =null;
  		int fleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int fright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double f = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = f; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("expr",2, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 7: // expr ::= varexpr 
              {
                Double RESULT =null;
  		int vleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int vright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double v = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = v; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("expr",2, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 6: // expr ::= opexpr 
              {
                Double RESULT =null;
  		int oleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int oright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double o = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = o; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("expr",2, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 5: // expr ::= LPAREN expr RPAREN 
              {
                Double RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		 RESULT = e; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("expr",2, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-2)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 4: // expr ::= NUMBER 
              {
                Double RESULT =null;
  		int nleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int nright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double n = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 RESULT = n; 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("expr",2, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 3: // expr_part ::= expr 
              {
                Object RESULT =null;
  		int eleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).left;
  		int eright = ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()).right;
  		Double e = (Double)((java_cup.runtime.Symbol) CUP$Parser$stack.peek()).value;
  		 parser.setResult(e); 
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("expr_part",1, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 2: // expr_list ::= expr_part 
              {
                Object RESULT =null;
  
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("expr_list",0, ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 1: // $START ::= expr_list EOF 
              {
                Object RESULT =null;
  		int start_valleft = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).left;
  		int start_valright = ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)).right;
  		Object start_val = (Object)((java_cup.runtime.Symbol) CUP$Parser$stack.elementAt(CUP$Parser$top-1)).value;
  		RESULT = start_val;
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("$START",0, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            /* ACCEPT */
            CUP$Parser$parser.done_parsing();
            return CUP$Parser$result;
  
            /*. . . . . . . . . . . . . . . . . . . .*/
            case 0: // expr_list ::= expr_list expr_part 
              {
                Object RESULT =null;
  
                CUP$Parser$result = parser.getSymbolFactory().newSymbol("expr_list",0, ((java_cup.runtime.Symbol)CUP$Parser$stack.elementAt(CUP$Parser$top-1)), ((java_cup.runtime.Symbol)CUP$Parser$stack.peek()), RESULT);
              }
            return CUP$Parser$result;
  
            /* . . . . . .*/
            default:
              throw new Exception(
                 "Invalid action number found in internal parse table");
  
          }
      }
  }
  
  