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/********************* -*- C++ -*- */
/** cnf_conversion.h
** Original author: taking
** Major contributors: none
** Minor contributors (to current version): dejan
** This file is part of the CVC4 prototype.
** Copyright (c) 2009, 2010 The Analysis of Computer Systems Group (ACSys)
** Courant Institute of Mathematical Sciences
** New York University
** See the file COPYING in the top-level source directory for licensing
** information.
**
** A type for describing possible CNF conversions.
**/
#ifndef __CVC4__CNF_CONVERSION_H
#define __CVC4__CNF_CONVERSION_H
namespace CVC4 {
enum CnfConversion {
/** TODO: explanation of DIRECT_EXPONENTIAL (is this implemented?) */
CNF_DIRECT_EXPONENTIAL = 0,
/** Explanation of CNF_VAR_INTRODUCTION */
CNF_VAR_INTRODUCTION = 1
};
inline std::ostream& operator<<(std::ostream&, CVC4::CnfConversion) CVC4_PUBLIC;
inline std::ostream& operator<<(std::ostream& out, CVC4::CnfConversion c) {
using namespace CVC4;
switch(c) {
case CNF_DIRECT_EXPONENTIAL:
out << "CNF_DIRECT_EXPONENTIAL";
break;
case CNF_VAR_INTRODUCTION:
out << "CNF_VAR_INTRODUCTION";
break;
default:
out << "UNKNOWN-CONVERTER!" << int(c);
}
return out;
}
}/* CVC4 namespace */
#endif /* __CVC4__CNF_CONVERSION_H */
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