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/********************* */
/*! \file bool_to_bv_mode.h
** \verbatim
** Top contributors (to current version):
** Makai Mann
** This file is part of the CVC4 project.
** Copyright (c) 2009-2018 by the authors listed in the file AUTHORS
** in the top-level source directory) and their institutional affiliations.
** All rights reserved. See the file COPYING in the top-level source
** directory for licensing information.\endverbatim
**
** \brief Modes for bool-to-bv preprocessing pass
**
** Modes for bool-to-bv preprocessing pass which tries to lower booleans
** to bit-vectors of width 1 at various levels of aggressiveness.
**/
#include "cvc4_private.h"
#ifndef __CVC4__PREPROCESSING__PASSES__BOOL_TO_BV_MODE_H
#define __CVC4__PREPROCESSING__PASSES__BOOL_TO_BV_MODE_H
#include <iosfwd>
namespace CVC4 {
namespace preprocessing {
namespace passes {
/** Enumeration of bool-to-bv modes */
enum BoolToBVMode
{
/**
* No bool-to-bv pass
*/
BOOL_TO_BV_OFF,
/**
* Only lower bools in condition of ITEs
* Tries to give more info to bit-vector solver
* by using bit-vector-ITEs when possible
*/
BOOL_TO_BV_ITE,
/**
* Lower every bool beneath the top layer to be a
* bit-vector
*/
BOOL_TO_BV_ALL
};
}
}
std::ostream& operator<<(std::ostream& out, preprocessing::passes::BoolToBVMode mode);
}
#endif /* __CVC4__PREPROCESSING__PASSES__BOOL_TO_BV_MODE_H */
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