diff options
| author | Andrew Reynolds <andrew.j.reynolds@gmail.com> | 2018-12-13 20:17:50 -0600 |
|---|---|---|
| committer | Andres Noetzli <andres.noetzli@gmail.com> | 2018-12-14 02:17:50 +0000 |
| commit | 075e3d97974c89dcbd4cf6c7a1c3b37cbb27403d (patch) | |
| tree | cb1466de550072e4a11d0a67816e6e23ef5770cb /src/theory/quantifiers/term_util.h | |
| parent | 000feaeb02292d7a2873198664022801b12e5151 (diff) | |
Fix extended rewriter for binary associative operators. (#2751)
This was causing assertion failures when using Sets + Sygus.
Diffstat (limited to 'src/theory/quantifiers/term_util.h')
| -rw-r--r-- | src/theory/quantifiers/term_util.h | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/theory/quantifiers/term_util.h b/src/theory/quantifiers/term_util.h index dd3e76ee2..820821991 100644 --- a/src/theory/quantifiers/term_util.h +++ b/src/theory/quantifiers/term_util.h @@ -270,10 +270,18 @@ public: * double negation if applicable, e.g. mkNegate( ~, ~x ) ---> x. */ static Node mkNegate(Kind notk, Node n); - /** is assoc */ - static bool isAssoc( Kind k ); - /** is k commutative? */ - static bool isComm( Kind k ); + /** is k associative? + * + * If flag reqNAry is true, then we additionally require that k is an + * n-ary operator. + */ + static bool isAssoc(Kind k, bool reqNAry = false); + /** is k commutative? + * + * If flag reqNAry is true, then we additionally require that k is an + * n-ary operator. + */ + static bool isComm(Kind k, bool reqNAry = false); /** is k non-additive? * Returns true if |