mirror of
https://github.com/Z3Prover/z3
synced 2025-10-28 18:29:23 +00:00
51 lines
978 B
C++
51 lines
978 B
C++
|
|
/*++
|
|
Copyright (c) 2015 Microsoft Corporation
|
|
|
|
--*/
|
|
|
|
/*--
|
|
Module Name:
|
|
|
|
hnf.h
|
|
|
|
Abstract:
|
|
|
|
Horn normal form convertion.
|
|
|
|
Author:
|
|
|
|
|
|
Notes:
|
|
|
|
Very similar to NNF.
|
|
|
|
--*/
|
|
|
|
#ifndef HNF_H_
|
|
#define HNF_H_
|
|
|
|
#include "ast/ast.h"
|
|
#include "util/params.h"
|
|
#include "ast/normal_forms/defined_names.h"
|
|
#include "tactic/proof_converter.h"
|
|
|
|
class hnf {
|
|
class imp;
|
|
imp * m_imp;
|
|
public:
|
|
hnf(ast_manager & m);
|
|
~hnf();
|
|
|
|
void operator()(expr * n, // [IN] expression that should be put into Horn NF
|
|
proof* p, // [IN] proof of n
|
|
expr_ref_vector & rs, // [OUT] resultant (conjunction) of expressions
|
|
proof_ref_vector& ps // [OUT] proofs of rs
|
|
);
|
|
|
|
void set_name(symbol const& name);
|
|
void reset();
|
|
func_decl_ref_vector const& get_fresh_predicates();
|
|
};
|
|
|
|
#endif /* HNF_H_ */
|