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/********************* */
/*! \file constraint_forward.h
** \verbatim
** Original author: Tim King
** Major contributors: none
** Minor contributors (to current version): Morgan Deters
** This file is part of the CVC4 project.
** Copyright (c) 2009-2014 New York University and The University of Iowa
** See the file COPYING in the top-level source directory for licensing
** information.\endverbatim
**
** \brief Forward declarations of the ConstraintValue and ConstraintDatabase classes.
**
** This is the forward declarations of the ConstraintValue and ConstraintDatabase
** and the typedef for Constraint. This is used to break circular dependencies and
** minimize interaction between header files.
**/
#ifndef __CVC4__THEORY__ARITH__CONSTRAINT_FORWARD_H
#define __CVC4__THEORY__ARITH__CONSTRAINT_FORWARD_H
#include "cvc4_private.h"
#include <vector>
namespace CVC4 {
namespace theory {
namespace arith {
class Constraint;
typedef Constraint* ConstraintP;
typedef const Constraint* ConstraintCP;
static const ConstraintP NullConstraint = NULL;
class ConstraintDatabase;
typedef std::vector<ConstraintCP> ConstraintCPVec;
typedef std::vector<Rational> RationalVector;
typedef RationalVector* RationalVectorP;
typedef const RationalVector* RationalVectorCP;
static const RationalVectorCP RationalVectorCPSentinel = NULL;
static const RationalVectorP RationalVectorPSentinel = NULL;
}/* CVC4::theory::arith namespace */
}/* CVC4::theory namespace */
}/* CVC4 namespace */
#endif /* __CVC4__THEORY__ARITH__CONSTRAINT_FORWARD_H */
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