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/*-----------------------------------------------------------------------
File : ccl_clausefunc.h
Author: Stephan Schulz
Contents
Clause and formula functions that need to know about sets (and
similar stuff (ccl_clauses.c is to big anyways).
Copyright 1998-2018 by the author.
This code is released under the GNU General Public Licence and
the GNU Lesser General Public License.
See the file COPYING in the main E directory for details..
Run "eprover -h" for contact information.
Changes
Created: Tue Aug 7 00:02:44 CEST 2001
-----------------------------------------------------------------------*/
#ifndef CCL_CLAUSEFUNC
#define CCL_CLAUSEFUNC
#include <ccl_clausesets.h>
#include <ccl_formula_wrapper.h>
/*---------------------------------------------------------------------*/
/* Data type declarations */
/*---------------------------------------------------------------------*/
/*---------------------------------------------------------------------*/
/* Exported Functions and Variables */
/*---------------------------------------------------------------------*/
void ClauseRemoveLiteralRef(Clause_p clause, Eqn_p *lit);
void ClauseRemoveLiteral(Clause_p clause, Eqn_p lit);
void ClauseFlipLiteralSign(Clause_p clause, Eqn_p lit);
int ClauseRemoveSuperfluousLiterals(Clause_p clause);
long ClauseSetRemoveSuperfluousLiterals(ClauseSet_p set);
void ClauseSetCanonize(ClauseSet_p set);
int ClauseRemoveACResolved(Clause_p clause);
bool ClauseUnitSimplifyTest(Clause_p clause, Clause_p simplifier);
int ClauseCanonCompareRef(const void *clause1ref, const void* clause2ref);
Clause_p ClauseArchive(ClauseSet_p archive, Clause_p clause);
Clause_p ClauseArchiveCopy(ClauseSet_p archive, Clause_p clause);
void ClauseSetArchiveCopy(ClauseSet_p archive, ClauseSet_p set);
bool ClauseIsOrphaned(Clause_p clause);
long ClauseSetDeleteOrphans(ClauseSet_p set);
bool ClauseEliminateNakedBooleanVariables(Clause_p clause);
Clause_p ClauseRecognizeInjectivity(TB_p terms, Clause_p clause);
long ClauseSetReplaceInjectivityDefs(ClauseSet_p set, ClauseSet_p archive, TB_p terms);
void PStackClausePrint(FILE* out, PStack_p stack, char* extra);
#endif
/*---------------------------------------------------------------------*/
/* End of File */
/*---------------------------------------------------------------------*/
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