doc test +1/2 iterators, move max_block_size, remove unused import st…

…atement

src/sage/combinat/diagram_algebras.py

@@ -31,7 +31,7 @@
 from sage.structure.unique_representation import UniqueRepresentation
 from sage.combinat.combinat import bell_number, catalan_number
 from sage.structure.global_options import GlobalOptions
-from sage.combinat.set_partition import SetPartitions, AbstractSetPartition, SetPartitions_set
+from sage.combinat.set_partition import SetPartitions, AbstractSetPartition
 from sage.combinat.partition import Partitions
 from sage.combinat.symmetric_group_algebra import SymmetricGroupAlgebra_n
 from sage.combinat.permutation import Permutations
@@ -375,21 +375,6 @@ def propagating_number(self):
         """
         return ZZ(sum(1 for part in self._base_diagram if min(part) < 0 and max(part) > 0))
 
-    def max_block_size(self):
-        r"""
-        The maximum block size of the diagram.
-
-        EXAMPLES::
-
-            sage: from sage.combinat.diagram_algebras import PartitionDiagram, PartitionDiagrams
-            sage: pd = PartitionDiagram([[1,-3,-5],[2,4],[3,-1,-2],[5],[-4]])
-            sage: pd.max_block_size()
-            3
-            sage: [d.max_block_size() for d in PartitionDiagrams(2)]
-            [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1]
-        """
-        return max([len(block) for block in self])
-
     def count_blocks_of_size(self, n):
         r"""
         Count the number of blocks of a given size.
@@ -1209,8 +1194,12 @@ def __iter__(self):
         EXAMPLES::
 
             sage: from sage.combinat.diagram_algebras import PartitionDiagrams
-            sage: list(PartitionDiagrams(1))
-            [{{-1, 1}}, {{-1}, {1}}]
+            sage: list(PartitionDiagrams(3/2))
+            [{{-2, -1, 1, 2}},
+             {{-2, -1, 2}, {1}},
+             {{-2, 2}, {-1, 1}},
+             {{-2, 1, 2}, {-1}},
+             {{-2, 2}, {-1}, {1}}]
             sage: list(PartitionDiagrams(2))
             [{{-2, -1, 1, 2}},
              {{-2, -1, 2}, {1}},
@@ -1323,8 +1312,10 @@ def __iter__(self):
         EXAMPLES::
 
             sage: from sage.combinat.diagram_algebras import BrauerDiagrams
-            sage: list(BrauerDiagrams(1))
-            [{{-1, 1}}]
+            sage: list(BrauerDiagrams(5/2))
+            [{{-3, 3}, {-2, 1}, {-1, 2}},
+             {{-3, 3}, {-2, 2}, {-1, 1}},
+             {{-3, 3}, {-2, -1}, {1, 2}}]
             sage: list(BrauerDiagrams(2))
             [{{-2, 1}, {-1, 2}}, {{-2, 2}, {-1, 1}}, {{-2, -1}, {1, 2}}]
         """
@@ -1536,14 +1527,10 @@ def __iter__(self):
         EXAMPLES::
 
             sage: from sage.combinat.diagram_algebras import TemperleyLiebDiagrams
+            sage: list(TemperleyLiebDiagrams(5/2))
+            [{{-3, 3}, {-2, 2}, {-1, 1}}, {{-3, 3}, {-2, -1}, {1, 2}}]
             sage: list(TemperleyLiebDiagrams(2))
             [{{-2, 2}, {-1, 1}}, {{-2, -1}, {1, 2}}]
-            sage: list(TemperleyLiebDiagrams(3))
-            [{{-3, 1}, {-2, -1}, {2, 3}},
-             {{-3, 3}, {-2, 2}, {-1, 1}},
-             {{-3, 3}, {-2, -1}, {1, 2}},
-             {{-3, -2}, {-1, 1}, {2, 3}},
-             {{-3, -2}, {-1, 3}, {1, 2}}]
         """
         for p in BrauerDiagrams(self.order):
             if p.is_planar():
@@ -1624,8 +1611,12 @@ def __iter__(self):
         EXAMPLES::
 
             sage: from sage.combinat.diagram_algebras import PlanarDiagrams
-            sage: list(PlanarDiagrams(1))
-            [{{-1, 1}}, {{-1}, {1}}]
+            sage: list(PlanarDiagrams(3/2))
+            [{{-2, -1, 1, 2}},
+             {{-2, -1, 2}, {1}},
+             {{-2, 2}, {-1, 1}},
+             {{-2, 1, 2}, {-1}},
+             {{-2, 2}, {-1}, {1}}]
             sage: list(PlanarDiagrams(2))
             [{{-2, -1, 1, 2}},
              {{-2, -1, 2}, {1}},
@@ -1708,8 +1699,11 @@ def __iter__(self):
         EXAMPLES::
 
             sage: from sage.combinat.diagram_algebras import IdealDiagrams
-            sage: list(IdealDiagrams(1))
-            [{{-1}, {1}}]
+            sage: list(IdealDiagrams(3/2))
+            [{{-2, -1, 1, 2}},
+            {{-2, -1, 2}, {1}},
+            {{-2, 1, 2}, {-1}},
+            {{-2, 2}, {-1}, {1}}]
             sage: list(IdealDiagrams(2))
             [{{-2, -1, 1, 2}},
              {{-2, -1, 2}, {1}},

src/sage/combinat/set_partition.py

@@ -436,6 +436,24 @@ def union(s):
             return ret
         return [self.parent()(union(s)) for s in SP]
 
+    def max_block_size(self):
+        r"""
+        The maximum block size of the diagram.
+
+        EXAMPLES::
+
+            sage: from sage.combinat.diagram_algebras import PartitionDiagram, PartitionDiagrams
+            sage: pd = PartitionDiagram([[1,-3,-5],[2,4],[3,-1,-2],[5],[-4]])
+            sage: pd.max_block_size()
+            3
+            sage: [d.max_block_size() for d in PartitionDiagrams(2)]
+            [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1]
+            sage: [sp.max_block_size() for sp in SetPartitions(3)]
+            [3, 2, 2, 2, 1]
+        """
+        return max([len(block) for block in self])
+
+
 @add_metaclass(InheritComparisonClasscallMetaclass)
 class SetPartition(AbstractSetPartition):
     """