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46 lines
1.1 KiB
C++
46 lines
1.1 KiB
C++
/*++
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Copyright (c) 2011 Microsoft Corporation
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Module Name:
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atom2bool_var.h
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Abstract:
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The mapping between SAT boolean variables and atoms
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Author:
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Leonardo (leonardo) 2011-10-25
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Notes:
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--*/
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#ifndef _ATOM2BOOL_VAR_H_
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#define _ATOM2BOOL_VAR_H_
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#include"expr2var.h"
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#include"sat_types.h"
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/**
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\brief Mapping from atoms into SAT boolean variables.
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*/
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class atom2bool_var : public expr2var {
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public:
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atom2bool_var(ast_manager & m):expr2var(m) {}
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void insert(expr * n, sat::bool_var v) { expr2var::insert(n, v); }
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sat::bool_var to_bool_var(expr * n) const;
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void mk_inv(expr_ref_vector & lit2expr) const;
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// return true if the mapping contains uninterpreted atoms.
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bool interpreted_atoms() const { return expr2var::interpreted_vars(); }
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};
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class assertion_set; // TODO: delete
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class goal;
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void collect_boolean_interface(assertion_set const & s, obj_hashtable<expr> & r); // TODO delete
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void collect_boolean_interface(goal const & g, obj_hashtable<expr> & r);
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void collect_boolean_interface(ast_manager & m, unsigned num, expr * const * fs, obj_hashtable<expr> & r);
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#endif
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