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add general purpose emptiness/non-emptiness check

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2020-05-26 20:42:21 -07:00
parent 33cdc06eb4
commit 88e36c6bf3
8 changed files with 298 additions and 65 deletions
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src/ast/expr_abstract.h
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@ -38,6 +38,8 @@ inline expr_ref expr_abstract(expr_ref_vector const& bound, expr* n) { return ex
inline expr_ref expr_abstract(app_ref_vector const& bound, expr* n) { return expr_abstract(bound.m(), 0, bound.size(), (expr*const*)bound.c_ptr(), n); }
expr_ref mk_forall(ast_manager& m, unsigned num_bound, app* const* bound, expr* n);
expr_ref mk_exists(ast_manager& m, unsigned num_bound, app* const* bound, expr* n);
inline expr_ref mk_forall(ast_manager& m, app* b, expr* n) { return mk_forall(m, 1, &b, n); }
inline expr_ref mk_forall(ast_manager& m, expr* b, expr* n) { return mk_forall(m, to_app(b), n); }
#endif