Fix TriangulizedMat([])

gap-system · Mar 11, 2018 · 95b2b30 · 95b2b30
1 parent 903cdfc
commit 95b2b30
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/lib/matrix.gi b/lib/matrix.gi
@@ -2949,6 +2949,9 @@ local m;
   return m;
 end);
 
+InstallOtherMethod( TriangulizedMat, "for an empty list", [ IsList and IsEmpty ],
+mat -> []);
+
 #############################################################################
 ##
 #M  UpperSubdiagonal( <mat>, <pos> )