Merge pull request #292 from MeikeWeiss/isomorphism

Increase rank of IsIsomorphic for nauty
gap-packages · Sep 18, 2024 · 8d5ce0f · 8d5ce0f
2 parents 00766c8 + d48623c
commit 8d5ce0f
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/gap/PolygonalComplexes/graphs.gi b/gap/PolygonalComplexes/graphs.gi
@@ -315,8 +315,9 @@ fi;
 if IsPackageMarkedForLoading("NautyTracesInterface", ">=0") then
     InstallMethod( IsIsomorphic, 
         "for two twisted polygonal complexes", 
-        [IsTwistedPolygonalComplex, IsTwistedPolygonalComplex],
+        [IsTwistedPolygonalComplex, IsTwistedPolygonalComplex],5,
         function(complex1, complex2)
+
 	    if IsSimplicialSurface(complex1) and IsSimplicialSurface(complex2) and CounterOfButterflies(complex1)<>CounterOfButterflies(complex2) then
                 return false;
             fi;