code: /*
   * This file is part of a Java port of the program ltl2dstar
   * (http://www.ltl2dstar.de/) for PRISM (http://www.prismmodelchecker.org/)
   * Copyright (C) 2005-2007 Joachim Klein <j.klein@ltl2dstar.de>
   * Copyright (c) 2007 Carlos Bederian
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as 
   *  published by the Free Software Foundation.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   *
   * You should have received a copy of the GNU General Public License
   * along with this program; if not, write to the Free Software
   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   */
  
  package jltl2dstar;
  
  /**
   * Options for Safra's algorithm
   */
  
  public class Options_Safra implements Cloneable {
  	/** Optimize accepting true loops */
  	public boolean opt_accloop; 
  	/** Optimize all successor accepting */
  	public boolean opt_accsucc; 
  	/** Renaming optimization (templates) */
  	public boolean opt_rename;  
  	/** Try to reorder Safra trees */
  	public boolean opt_reorder; 
  	/** Use stuttering */
  	public boolean stutter;
  	/** Check for stutter insensitive */
  	public boolean partial_stutter_check;
  	/** Perform stutter closure on NBA before conversion */
  	public boolean stutter_closure;
  	/** Check for DBA */
  	public boolean dba_check;
  	/** Provide statistics */
  	public boolean stat;
  	/** Optimize accepting true loops in union construction */
  	public boolean union_trueloop;
  
  	/** Constructor */
  	public Options_Safra() {
  		opt_none();
  
  		dba_check=false;
  		//    tree_verbose=false;
  		stat=false;
  		union_trueloop=true;
  
  		stutter=false;
  		partial_stutter_check=false;
  		stutter_closure=false;
  	}
  	
  	public Options_Safra clone()
  	{
  		Options_Safra rv = new Options_Safra();
  		
  		rv.opt_accloop = opt_accloop; 
  		rv.opt_accsucc = opt_accsucc; 
  		rv.opt_rename = opt_rename;  
  		rv.opt_reorder = opt_reorder; 
  		rv.stutter = stutter;
  		rv.partial_stutter_check = partial_stutter_check;
  		rv.stutter_closure = stutter_closure;
  		rv.dba_check = dba_check;
  		rv.stat = stat;
  		rv.union_trueloop = union_trueloop;
  		return rv;
  	}
  
  	/** Enable all opt_ options */
  	public void opt_all() {
  		opt_accloop
  		=opt_accsucc
  		=opt_rename
  		=opt_reorder
  		=true;
  	}
  
  	/** Disable all opt_ options */
  	public void opt_none() {
  		opt_accloop
  		=opt_accsucc
  		=opt_rename
  		=opt_reorder
  		=false;
  	}
  }
  