//==============================================================================
//
//	File:		dd_vars.h
//	Date:		17/9/99
//	Author:		Dave Parker
//	Desc:		DD variable functions - prototypes
//
//------------------------------------------------------------------------------
//
//	Copyright (c) 2002, Dave Parker
//
//	This file is part of PRISM.
//
//	PRISM is free software; you can redistribute it and/or modify
//	it under the terms of the GNU General Public License as published by
//	the Free Software Foundation; either version 2 of the License, or
//	(at your option) any later version.
//
//	PRISM 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 PRISM; if not, write to the Free Software Foundation,
//	Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//    
//==============================================================================

#include <util.h>
#include <cudd.h>

//------------------------------------------------------------------------------

DdNode *DD_PermuteVariables(DdManager *ddman, DdNode *dd, DdNode **old_vars, DdNode **new_vars, int num_vars);
DdNode *DD_SwapVariables(DdManager *ddman, DdNode *dd, DdNode **old_vars, DdNode **new_vars, int num_vars);
DdNode *DD_VariablesGreaterThan(DdManager *ddman, DdNode **x_vars, DdNode **y_vars, int num_vars);
DdNode *DD_VariablesGreaterThanEquals(DdManager *ddman, DdNode **x_vars, DdNode **y_vars, int num_vars);
DdNode *DD_VariablesLessThan(DdManager *ddman, DdNode **x_vars, DdNode **y_vars, int num_vars);
DdNode *DD_VariablesLessThanEquals(DdManager *ddman, DdNode **x_vars, DdNode **y_vars, int num_vars);
DdNode *DD_VariablesEquals(DdManager *ddman, DdNode **x_vars, DdNode **y_vars, int num_vars);

//------------------------------------------------------------------------------