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fix #3951

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-14 10:51:16 -07:00
parent 5e0c34cae2
commit 5f81913292
2 changed files with 39 additions and 19 deletions
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15
src/ast/rewriter/bool_rewriter.h
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@ -133,6 +133,11 @@ public:
if (mk_eq_core(lhs, rhs, result) == BR_FAILED)
result = mk_eq(lhs, rhs);
}
expr_ref mk_eq_rw(expr* lhs, expr* rhs) {
expr_ref r(m());
mk_eq(lhs, rhs, r);
return r;
}
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);
void mk_and(unsigned num_args, expr * const * args, expr_ref & result) {
@ -187,6 +192,11 @@ public:
if (mk_ite_core(c, t, e, result) == BR_FAILED)
result = m().mk_ite(c, t, e);
}
expr_ref mk_ite(expr * c, expr * t, expr * e) {
expr_ref r(m());
mk_ite(c, t, e, r);
return r;
}
void mk_distinct(unsigned num_args, expr * const * args, expr_ref & result) {
if (mk_distinct_core(num_args, args, result) == BR_FAILED)
result = m().mk_distinct(num_args, args);
@ -195,6 +205,11 @@ public:
if (mk_not_core(t, result) == BR_FAILED)
result = m().mk_not(t);
}
expr_ref mk_not(expr* t) {
expr_ref r(m());
mk_not(t, r);
return r;
}
void mk_nand(unsigned num_args, expr * const * args, expr_ref & result);
void mk_nor(unsigned num_args, expr * const * args, expr_ref & result);