var.hpp

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#ifndef _var_hpp_INCLUDED
#define _var_hpp_INCLUDED
 
#include "global.h"
 
ABC_NAMESPACE_CXX_HEADER_START
 
namespace CaDiCaL {
 
struct Clause;
 
// This structure captures data associated with an assigned variable.
 
struct Var {
 
  // Note that none of these members is valid unless the variable is
  // assigned.  During unassigning a variable we do not reset it.
 
  int level;      // decision level
  int trail;      // trail height at assignment
  Clause *reason; // implication graph edge during search
};
 
} // namespace CaDiCaL
 
ABC_NAMESPACE_CXX_HEADER_END
 
#endif