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fix typo in mk_pure

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This commit is contained in:
Arie Gurfinkel 2018-06-11 13:46:27 -07:00
parent 9c7d9818d3
commit 73486be590
1 changed files with 8 additions and 8 deletions
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16
src/qe/qe_term_graph.cpp
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@ -78,7 +78,7 @@ namespace qe {
};
class children {
term const& t;
term const& t;
public:
children(term const& _t):t(_t) {}
children(term const* _t):t(*_t) {}
@ -628,9 +628,9 @@ namespace qe {
}
expr* term_graph::mk_pure(term& t) {
expr* e = t.get_expr();
// AG: the if-statement looks wrong
if (m_term2app.find(t.get_id(), e)) e;
expr* e = nullptr;
if (m_term2app.find(t.get_id(), e)) return e;
e = t.get_expr();
if (!is_app(e)) return nullptr;
app* a = ::to_app(e);
expr_ref_vector kids(m);
@ -647,11 +647,11 @@ namespace qe {
expr_ref_vector term_graph::project(func_decl_ref_vector const& decls, bool exclude) {
u_map<bool> _decls;
for (func_decl* f : decls) _decls.insert(f->get_id(), true);
// . propagate representatives up over parents.
// - propagate representatives up over parents.
// use work-list + marking to propagate.
// . produce equalities over represented classes.
// . produce other literals over represented classes
// (walk disequalities in m_lits and represent lhs/rhs over decls or excluding decls)
// - produce equalities over represented classes.
// - produce other literals over represented classes
// (walk disequalities in m_lits and represent lhs/rhs over decls or excluding decls)
expr_ref_vector result(m);
m_term2app.reset();