# HG changeset patch
# User Robert L. Miller <rlm@rlmiller.org>
# Date 1218062311 25200
# Node ID 0d615fe01df66383a36d7d21e1cc88157adf6eee
# Parent  a3565e4f0f9ba13547775e64edaa16dbf441bd0d
uninitialized bitsets

diff -r a3565e4f0f9b -r 0d615fe01df6 sage/groups/perm_gps/partn_ref/tree_traversal.pyx
--- a/sage/groups/perm_gps/partn_ref/tree_traversal.pyx	Wed Aug 06 10:59:53 2008 -0700
+++ b/sage/groups/perm_gps/partn_ref/tree_traversal.pyx	Wed Aug 06 15:38:31 2008 -0700
@@ -900,6 +900,8 @@ cdef traverse_return *traverse_tree(obje
         mpz_clear(subgroup_size)
         raise MemoryError
     
+    bitset_zero(vertices_have_been_reduced)
+    
     # Copy data of partition to current_ps.
     i = 0
     j = 0
@@ -1125,6 +1127,8 @@ cdef traverse_return *traverse_tree(obje
         if automorphism:
             if index_in_fp_and_mcr < len_of_fp_and_mcr - 1:
                 index_in_fp_and_mcr += 1
+            bitset_zero(fixed_points_of_generators[index_in_fp_and_mcr])
+            bitset_zero(minimal_cell_reps_of_generators[index_in_fp_and_mcr])
             for i from 0 <= i < n:
                 if permutation[i] == i:
                     bitset_set(fixed_points_of_generators[index_in_fp_and_mcr], i)