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/*-----------------------------------------------------------------------
File : che_termweights.h
Author: Stephan Schulz, yan
Contents
Common functions for term-based clause evaluation heuristics.
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.
Created: Wed Nov 7 21:37:27 CET 2018
-----------------------------------------------------------------------*/
#ifndef CHE_TERMWEIGHTS
#define CHE_TERMWEIGHTS
#include <ccl_relevance.h>
#include <che_refinedweight.h>
/*---------------------------------------------------------------------*/
/* Data type declarations */
/*---------------------------------------------------------------------*/
/* Related terms set */
typedef enum
{
RTSConjectureTerms = 0, /* conjecture terms only */
RTSConjectureSubterms = 1, /* conjecture terms and subterms */
RTSConjectureSubtermsTopGens = 2, /* subterms and top-level gens */
RTSConjectureSubtermsAllGens = 3 /* all substerms generalizations */
}RelatedTermSet;
/*---------------------------------------------------------------------*/
/* Exported Functions and Variables */
/*---------------------------------------------------------------------*/
#define MIN3(a, b, c) ((a) < (b) ? ((a) < (c) ? (a) : (c)) : ((b) < (c) ? (b) : (c)))
#define TERM_MAX_GENS 1000
PStack_p ComputeSubtermsGeneralizations(Term_p term, VarBank_p vars);
PStack_p ComputeTopGeneralizations(
Term_p term,
VarBank_p vars,
Sig_p sig);
void FreeGeneralizations(PStack_p gens);
int TupleInit(FixedDArray_p cur);
int TupleNext(FixedDArray_p cur, FixedDArray_p max);
void TuplePrint(FixedDArray_p t);
void TBIncSubtermsFreqs(Term_p term, NumTree_p* freqs);
NumTree_p TBCountTermFreqs(TB_p bank);
#endif
/*---------------------------------------------------------------------*/
/* End of File */
/*---------------------------------------------------------------------*/
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