adjust doctest, add matrix of order 4.787

sagemath · Sep 23, 2024 · cc3ebd0 · cc3ebd0
1 parent 5953b5f
commit cc3ebd0
Showing 1 changed file with 12 additions and 10 deletions.
diff --git a/src/sage/combinat/matrices/hadamard_matrix.py b/src/sage/combinat/matrices/hadamard_matrix.py
@@ -282,20 +282,20 @@ def hadamard_matrix_paleyII(n):
         [ 1  1| 1  1| 1  1| 1  1| 1  1| 1  1]
         [ 1 -1|-1  1|-1  1|-1  1|-1  1|-1  1]
         [-----+-----+-----+-----+-----+-----]
-        [ 1 -1| 1 -1| 1  1|-1 -1|-1 -1| 1  1]
-        [ 1  1|-1 -1| 1 -1|-1  1|-1  1| 1 -1]
+        [ 1 -1| 1 -1|-1 -1| 1  1| 1  1|-1 -1]
+        [ 1  1|-1 -1|-1  1| 1 -1| 1 -1|-1  1]
         [-----+-----+-----+-----+-----+-----]
-        [ 1 -1| 1  1| 1 -1| 1  1|-1 -1|-1 -1]
-        [ 1  1| 1 -1|-1 -1| 1 -1|-1  1|-1  1]
+        [ 1 -1|-1 -1| 1 -1|-1 -1| 1  1| 1  1]
+        [ 1  1|-1  1|-1 -1|-1  1| 1 -1| 1 -1]
         [-----+-----+-----+-----+-----+-----]
-        [ 1 -1|-1 -1| 1  1| 1 -1| 1  1|-1 -1]
-        [ 1  1|-1  1| 1 -1|-1 -1| 1 -1|-1  1]
+        [ 1 -1| 1  1|-1 -1| 1 -1|-1 -1| 1  1]
+        [ 1  1| 1 -1|-1  1|-1 -1|-1  1| 1 -1]
         [-----+-----+-----+-----+-----+-----]
-        [ 1 -1|-1 -1|-1 -1| 1  1| 1 -1| 1  1]
-        [ 1  1|-1  1|-1  1| 1 -1|-1 -1| 1 -1]
+        [ 1 -1| 1  1| 1  1|-1 -1| 1 -1|-1 -1]
+        [ 1  1| 1 -1| 1 -1|-1  1|-1 -1|-1  1]
         [-----+-----+-----+-----+-----+-----]
-        [ 1 -1| 1  1|-1 -1|-1 -1| 1  1| 1 -1]
-        [ 1  1| 1 -1|-1  1|-1  1| 1 -1|-1 -1]
+        [ 1 -1|-1 -1| 1  1| 1  1|-1 -1| 1 -1]
+        [ 1  1|-1  1| 1 -1| 1 -1|-1  1|-1 -1]
 
     TESTS::
 
@@ -358,6 +358,8 @@ def hadamard_matrix_from_symmetric_conference_matrix(n, existence=False, check=T
 
         sage: hadamard_matrix_from_symmetric_conference_matrix(12, existence=True)
         True
+        sage: hadamard_matrix_from_symmetric_conference_matrix(4*787, existence=True)
+        True
 
     TESTS::