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Reorganizing source code. Created util dir

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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
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Leonardo de Moura 2012-10-20 10:19:38 -07:00
parent 630ba0c675
commit 2c464d413d
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42
lib/lbool.h
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@ -1,42 +0,0 @@
/*++
Copyright (c) 2006 Microsoft Corporation
Module Name:
lbool.h
Abstract:
Lifted boolean
Author:
Leonardo de Moura (leonardo) 2008-02-08.
Revision History:
--*/
#ifndef _LBOOL_H_
#define _LBOOL_H_
#include"util.h"
typedef enum { l_false = -1, l_undef, l_true } lbool;
inline lbool operator~(lbool lb) {
return static_cast<lbool>(-static_cast<int>(lb));
}
inline lbool to_lbool(bool b) {
return static_cast<lbool>(static_cast<int>(b)*2-1);
}
std::ostream & operator<<(std::ostream & out, lbool b);
/**
\brief Convert l_true -> satisfiable, l_false -> unsatisfiable, and l_undef -> unknown.
*/
char const * to_sat_str(lbool l);
#endif /* _LBOOL_H_ */