-

cool-RR · cool-RR · commit a3e26885bdf1 · 2014-09-29T23:58:35.000+03:00
diff --git a/source_py3/python_toolbox/combi/perm.py b/source_py3/python_toolbox/combi/perm.py
@@ -193,9 +193,11 @@ def number(self):
         factoradic_number = []
         unused_values = list(self.nominal_perm_space.sequence)
         for i, value in enumerate(self):
-            index_of_current_number = unused_values.index(value)
+            index_of_current_number = \
+                nifty_collections.OrderedSet(unused_values).index(value) if \
+                              self.is_recurrent else unused_values.index(value)
             factoradic_number.append(index_of_current_number)
-            del unused_values[index_of_current_number]
+            unused_values.remove(value)
         return math_tools.from_factoradic(
             factoradic_number +
             [0] * self.nominal_perm_space.n_unused_elements
diff --git a/source_py3/python_toolbox/sequence_tools/misc.py b/source_py3/python_toolbox/sequence_tools/misc.py
@@ -285,4 +285,6 @@ def divide_to_slices(sequence, n_slices):
     assert indices[0] == 0
     assert indices[-1] == sequence_length
     return [sequence[x:y] for x, y in
-                     cute_iter_tools.iterate_overlapping_subsequences(indices)]
+                     cute_iter_tools.iterate_overlapping_subsequences(indices)]
+
+    
