rustsat-cadical 0.7.5

Interface to the SAT solver CaDiCaL for the RustSAT library.
Documentation 
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#ifndef _drattracer_h_INCLUDED
#define _drattracer_h_INCLUDED

#include "file.hpp"
#include "tracer.hpp"

namespace CaDiCaL {

class DratTracer : public FileTracer {

  Internal *internal;
  File *file;
  bool binary;
#ifndef QUIET
  int64_t added, deleted;
#endif
  void put_binary_zero ();
  void put_binary_lit (int external_lit);

  // support DRAT
  void drat_add_clause (const std::vector<int> &);
  void drat_delete_clause (const std::vector<int> &);

public:
  // own and delete 'file'
  DratTracer (Internal *, File *file, bool binary);
  ~DratTracer ();

  void connect_internal (Internal *i) override;
  void begin_proof (int64_t) override {} // skip

  void add_original_clause (int64_t, bool, const std::vector<int> &,
                            bool = false) override {} // skip

  void add_derived_clause (int64_t, bool, int, const std::vector<int> &,
                           const std::vector<int64_t> &) override;

  void delete_clause (int64_t, bool, const std::vector<int> &) override;

  void finalize_clause (int64_t, const std::vector<int> &) override {
  } // skip

  void report_status (int, int64_t) override {} // skip

#ifndef QUIET
  void print_statistics ();
#endif
  bool closed () override;
  void close (bool) override;
  void flush (bool) override;
};

} // namespace CaDiCaL

#endif