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swap

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2019-06-13 20:06:04 -07:00
parent 262acc0556
commit 0f7ff2a3d0
2 changed files with 15 additions and 10 deletions
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7
src/ast/rewriter/bool_rewriter.h
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@ -127,9 +127,14 @@ public:
br_status mk_ite_core(expr * c, expr * t, expr * e, expr_ref & result);
br_status mk_not_core(expr * t, expr_ref & result);
app* mk_eq(expr* lhs, expr* rhs) {
if (lhs->get_id() > rhs->get_id()) std::swap(lhs, rhs);
return m().mk_eq(lhs, rhs);
}
void mk_eq(expr * lhs, expr * rhs, expr_ref & result) {
if (mk_eq_core(lhs, rhs, result) == BR_FAILED)
result = m().mk_eq(lhs, rhs);
result = mk_eq(lhs, rhs);
}
void mk_iff(expr * lhs, expr * rhs, expr_ref & result) { mk_eq(lhs, rhs, result); }
void mk_xor(expr * lhs, expr * rhs, expr_ref & result);