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/********************* */
/*! \file unsat_core.h
** \verbatim
** Original author: Morgan Deters
** Major contributors: none
** Minor contributors (to current version): none
** 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 [[ Add one-line brief description here ]]
**
** [[ Add lengthier description here ]]
** \todo document this file
**/
#include "cvc4_public.h"
#ifndef __CVC4__UNSAT_CORE_H
#define __CVC4__UNSAT_CORE_H
#include <iosfwd>
#include <vector>
#include "expr/expr.h"
namespace CVC4 {
class SmtEngine;
class UnsatCore;
std::ostream& operator<<(std::ostream& out, const UnsatCore& core) CVC4_PUBLIC;
class CVC4_PUBLIC UnsatCore {
friend std::ostream& operator<<(std::ostream&, const UnsatCore&);
/** The SmtEngine we're associated with */
SmtEngine* d_smt;
std::vector<Expr> d_core;
void initMessage() const;
public:
UnsatCore() : d_smt(NULL) {}
template <class T>
UnsatCore(SmtEngine* smt, T begin, T end) : d_smt(smt), d_core(begin, end) {
initMessage();
}
~UnsatCore() {}
/** get the smt engine that this unsat core is hooked up to */
SmtEngine* getSmtEngine() { return d_smt; }
size_t size() const { return d_core.size(); }
typedef std::vector<Expr>::const_iterator iterator;
typedef std::vector<Expr>::const_iterator const_iterator;
const_iterator begin() const;
const_iterator end() const;
void toStream(std::ostream& out) const;
void toStream(std::ostream& out, const std::map<Expr, std::string>& names) const;
};/* class UnsatCore */
}/* CVC4 namespace */
#endif /* __CVC4__UNSAT_CORE_H */
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