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empset.h
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C/C++ Source or Header
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1997-09-03
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841b
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37 lines
# ifndef EMPSET_H
# define EMPSET_H
# include "eref.h"
# include "erc.h"
# include "ereftab.h"
typedef erc empset;
/*
Abstraction function, toEmpSet:
e \in toEmpSet(s) ==
exists er (count(er, s.val) = 1
/\ getERef(known, e) = er)
Rep invariant:
forall s: empset
(forall er: eref (count(er, s.val) <= 1)
/\ s.activeIters = 0
/\ forall er: eref (count(er, s.val) = 1
=> in(known, er)))
*/
# include "empset.lh"
# define empset_create() (erc_create())
# define empset_final(s) (erc_final(s))
# define empset_size(es) (erc_size(es))
# define empset_choose(es) (eref_get(erc_choose(es)))
# define empset_sprint(es) (erc_sprint(es))
#define empset_elements(e, m_x) \
erc_elements(e, m_y) { employee m_x = eref_get(m_y);
#define end_empset_elements } end_erc_elements
# endif