From e38cfc8536fa41f65624a0bb7ab58d344073d5dd Mon Sep 17 00:00:00 2001
From: yi-ji <jiy@pku.edu.cn>
Date: Sat, 20 Jun 2020 16:33:48 +0900
Subject: [PATCH] Parameterize the index map type, some code style & doc fixes

---
 doc/link_cut_trees.html                |  8 ++++----
 include/boost/graph/link_cut_trees.hpp |  9 +++++----
 test/link_cut_trees_test.cpp           | 22 ++++++++++++++++++++++
 3 files changed, 31 insertions(+), 8 deletions(-)

diff --git a/doc/link_cut_trees.html b/doc/link_cut_trees.html
index 9d13c232b..0c9564301 100644
--- a/doc/link_cut_trees.html
+++ b/doc/link_cut_trees.html
@@ -52,7 +52,7 @@ <h3>Example</h3>
 
   <pre>
   ...
-  link_cut_trees&lt;ElementParentMap, ElementChildMap&gt; lct(p, l, r);
+  link_cut_trees&lt;ElementParentMap, ElementChildMap&gt; lct(parent_map, left_child_map, right_child_map);
 
   for (ui = vertices(G).first; ui != vertices(G).second; ++ui)
     lct.make_tree(*ui);
@@ -88,7 +88,7 @@ <h3>Members</h3>
     </tr>
 
     <tr>
-      <td><tt>link_cut_trees(const disjoint_sets&amp; c)</tt></td>
+      <td><tt>link_cut_trees(const link_cut_trees&amp; c)</tt></td>
 
       <td>Copy constructor.</td>
     </tr>
@@ -188,8 +188,8 @@ <h3>Members</h3>
   height="31" width="88"></a></p>
 
   <p>Revised
-  <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->07
-  October, 2019<!--webbot bot="Timestamp" endspan i-checksum="38508" --></p>
+  <!--webbot bot="Timestamp" s-type="EDITED" s-format="%d %B, %Y" startspan -->
+  June, 2020<!--webbot bot="Timestamp" endspan i-checksum="38508" --></p>
 
   <table summary="">
     <tr valign="top">
diff --git a/include/boost/graph/link_cut_trees.hpp b/include/boost/graph/link_cut_trees.hpp
index 00da5c2c7..217d3ec6e 100644
--- a/include/boost/graph/link_cut_trees.hpp
+++ b/include/boost/graph/link_cut_trees.hpp
@@ -22,7 +22,7 @@ namespace boost
     public:
         inline link_cut_trees(ElementParentMap p, ElementChildMap l, ElementChildMap r) : parent(p), left(l), right(r) {}
         
-        inline link_cut_trees(const link_cut_trees<ElementParentMap, ElementChildMap> &c)
+        inline link_cut_trees(const link_cut_trees &c)
             : parent(c.parent), left(c.left), right(c.right) {}
 
         template <class Element>
@@ -222,14 +222,15 @@ namespace boost
     };
     
     
-    template <class ID = identity_property_map, class InverseID = boost::unordered_map<typename property_traits<ID>::value_type, typename property_traits<ID>::key_type> >
+    template <class ID = identity_property_map, 
+        class InverseID = boost::unordered_map<typename property_traits<ID>::value_type, typename property_traits<ID>::key_type>, 
+        class IndexMapContainer = boost::unordered_map<typename property_traits<ID>::value_type, typename property_traits<ID>::value_type> >
     class link_cut_trees_with_storage :
-    public link_cut_trees<associative_property_map<boost::unordered_map<typename property_traits<ID>::value_type, typename property_traits<ID>::value_type> > >
+    public link_cut_trees<associative_property_map<IndexMapContainer> >
     {
     public:
         typedef typename property_traits<ID>::key_type Vertex;
         typedef typename property_traits<ID>::value_type Index;
-        typedef boost::unordered_map<Index, Index> IndexMapContainer;
         typedef associative_property_map<IndexMapContainer> IndexMap;
         typedef link_cut_trees<IndexMap> LCT;
         
diff --git a/test/link_cut_trees_test.cpp b/test/link_cut_trees_test.cpp
index 855207483..9c4abed70 100644
--- a/test/link_cut_trees_test.cpp
+++ b/test/link_cut_trees_test.cpp
@@ -188,4 +188,26 @@ BOOST_AUTO_TEST_CASE(link_cut_trees_test5)
     }
     link_cut_trees_t lct(id, inverse_id);
     test_link_cut_trees<link_cut_trees_t, std::string>(lct, elements);
+}
+
+BOOST_AUTO_TEST_CASE(link_cut_trees_test6)
+{
+    typedef associative_property_map< std::map<std::string, int> > id_map_t;
+    typedef vector_property_map<std::string> inverse_id_map_t;
+    typedef link_cut_trees_with_storage<id_map_t, inverse_id_map_t, typename std::map<int, int> > link_cut_trees_t;
+    std::vector<std::string> elements;
+    std::vector<int> numbers(100);
+    std::map<std::string, int> id_map;
+    id_map_t id(id_map);
+    inverse_id_map_t inverse_id;
+    boost::range::iota(numbers, -49);
+    BOOST_FOREACH(int i, numbers)
+    {
+        std::string i_str = lexical_cast<std::string, int>(i);
+        elements.push_back(i_str);
+        put(id, i_str, i+49);
+        put(inverse_id, i+49, i_str);
+    }
+    link_cut_trees_t lct(id, inverse_id);
+    test_link_cut_trees<link_cut_trees_t, std::string>(lct, elements);
 }
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