Fix bad BaseDomain method for IsMatrix and IsPlistRep

However, the new method still is not correct, as it would fail for matrices which are not defined over fields, e.g. over Integers mod 4.
gap-system · Jul 12, 2019 · cb79cdf · cb79cdf
1 parent ac71bf1
commit cb79cdf
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/lib/matrix.gi b/lib/matrix.gi
@@ -1244,7 +1244,7 @@ InstallOtherMethod( ZeroOfBaseDomain,
 InstallOtherMethod( BaseDomain,
     "generic method for a matrix that is a plain list",
     [ IsMatrix and IsPlistRep ],
-    mat -> BaseDomain( mat[1] ) );
+    mat -> DefaultFieldOfMatrix( mat ) );
 
 InstallOtherMethod( OneOfBaseDomain,
     "generic method for a matrix that is a plain list",