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51 lines
1.1 KiB
C++
51 lines
1.1 KiB
C++
/*++
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Copyright (c) 2006 Microsoft Corporation
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Module Name:
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spc_eq_resolution.h
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Abstract:
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<abstract>
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Author:
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Leonardo de Moura (leonardo) 2008-02-14.
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Revision History:
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--*/
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#ifndef _SPC_EQ_RESOLUTION_H_
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#define _SPC_EQ_RESOLUTION_H_
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#include"spc_unary_inference.h"
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#include"spc_statistics.h"
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namespace spc {
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/**
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\brief Functor for applying equality resolution.
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s != t or R
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==>
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sigma(R)
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*/
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class eq_resolution : public unary_inference {
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protected:
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statistics & m_stats;
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family_id m_spc_fid;
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virtual justification * mk_justification(justification * parent, unsigned num_lits, literal * new_lits) {
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return mk_eq_res_justification(m_manager, m_spc_fid, parent, num_lits, new_lits);
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}
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public:
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eq_resolution(ast_manager & m, order & ord, statistics & stats):unary_inference(m, ord), m_stats(stats), m_spc_fid(m.get_family_id("spc")) {}
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virtual ~eq_resolution() {}
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void operator()(clause * cls, ptr_vector<clause> & new_clauses);
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};
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};
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#endif /* _SPC_EQ_RESOLUTION_H_ */
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