X-Git-Url: http://gitweb.michael.orlitzky.com/?a=blobdiff_plain;ds=sidebyside;f=mjo%2Feja%2Feja_utils.py;h=2402d9f0e5f6d1b174690688b8f9b2d7f17eba61;hb=44ef5b665217783bbeb05341476d6e02bbc44d4f;hp=430113d5cddaede7074ca9798f7f3f920a3e93ab;hpb=b0044b0f4a417ecbdf72a9d13b268fd7f94694de;p=sage.d.git

diff --git a/mjo/eja/eja_utils.py b/mjo/eja/eja_utils.py
index 430113d..2402d9f 100644
--- a/mjo/eja/eja_utils.py
+++ b/mjo/eja/eja_utils.py
@@ -58,6 +58,11 @@ def _all2list(x):
 
     EXAMPLES::
 
+        sage: _all2list([[1]])
+        [1]
+
+    ::
+
         sage: V1 = VectorSpace(QQ,2)
         sage: V2 = MatrixSpace(QQ,2)
         sage: x1 = V1([1,1])
@@ -81,6 +86,16 @@ def _all2list(x):
         sage: _all2list(OctonionMatrixAlgebra(1).one())
         [1, 0, 0, 0, 0, 0, 0, 0]
 
+    ::
+
+        sage: V1 = VectorSpace(QQ,2)
+        sage: V2 = OctonionMatrixAlgebra(1,field=QQ)
+        sage: C = cartesian_product([V1,V2])
+        sage: x1 = V1([3,4])
+        sage: y1 = V2.one()
+        sage: _all2list(C( (x1,y1) ))
+        [3, 4, 1, 0, 0, 0, 0, 0, 0, 0]
+
     """
     if hasattr(x, 'to_vector'):
         # This works on matrices of e.g. octonions directly, without
@@ -96,9 +111,9 @@ def _all2list(x):
     except TypeError: # x is not iterable
         return [x]
 
-    if len(xl) == 1:
+    if xl == [x]:
         # Avoid the retardation of list(QQ(1)) == [1].
-        return xl
+        return [x]
 
     return sum(list( map(_all2list, xl) ), [])