From 107eb54b8524881d128976874782a7f29be43ace Mon Sep 17 00:00:00 2001
From: andreacassioli <cassioliandre@gmail.com>
Date: Wed, 14 Oct 2026 22:09:22 +0200
Subject: [PATCH] remove BOOST_NO_STD_ITERATOR_TRAITS from isomorphism.hpp

---
 include/boost/graph/isomorphism.hpp | 28 ----------------------------
 1 file changed, 28 deletions(-)

diff --git a/include/boost/graph/isomorphism.hpp b/include/boost/graph/isomorphism.hpp
index 78f2762b4..8ed33c6df 100644
--- a/include/boost/graph/isomorphism.hpp
+++ b/include/boost/graph/isomorphism.hpp
@@ -54,10 +54,6 @@ namespace detail
         std::vector< int > dfs_num_vec;
         typedef safe_iterator_property_map<
             typename std::vector< int >::iterator, IndexMap1
-#ifdef BOOST_NO_STD_ITERATOR_TRAITS
-            ,
-            int, int&
-#endif /* BOOST_NO_STD_ITERATOR_TRAITS */
             >
             DFSNumMap;
         DFSNumMap dfs_num;
@@ -67,10 +63,6 @@ namespace detail
         std::vector< char > in_S_vec;
         typedef safe_iterator_property_map<
             typename std::vector< char >::iterator, IndexMap2
-#ifdef BOOST_NO_STD_ITERATOR_TRAITS
-            ,
-            char, char&
-#endif /* BOOST_NO_STD_ITERATOR_TRAITS */
             >
             InSMap;
         InSMap in_S;
@@ -153,10 +145,6 @@ namespace detail
             in_S_vec.resize(num_vertices(G1));
             in_S = make_safe_iterator_property_map(
                 in_S_vec.begin(), in_S_vec.size(), index_map2
-#ifdef BOOST_NO_STD_ITERATOR_TRAITS
-                ,
-                in_S_vec.front()
-#endif /* BOOST_NO_STD_ITERATOR_TRAITS */
             );
         }
 
@@ -221,10 +209,6 @@ namespace detail
             std::vector< default_color_type > color_vec(num_vertices(G1));
             safe_iterator_property_map<
                 std::vector< default_color_type >::iterator, IndexMap1
-#ifdef BOOST_NO_STD_ITERATOR_TRAITS
-                ,
-                default_color_type, default_color_type&
-#endif /* BOOST_NO_STD_ITERATOR_TRAITS */
                 >
                 color_map(color_vec.begin(), color_vec.size(), index_map1);
             record_dfs_order dfs_visitor(dfs_vertices, ordered_edges);
@@ -241,10 +225,6 @@ namespace detail
             dfs_num_vec.resize(num_vertices(G1));
             dfs_num = make_safe_iterator_property_map(
                 dfs_num_vec.begin(), dfs_num_vec.size(), index_map1
-#ifdef BOOST_NO_STD_ITERATOR_TRAITS
-                ,
-                dfs_num_vec.front()
-#endif /* BOOST_NO_STD_ITERATOR_TRAITS */
             );
             size_type n = 0;
             for (vertex_iter v = dfs_vertices.begin(); v != dfs_vertices.end();
@@ -617,10 +597,6 @@ namespace detail
         std::vector< std::size_t > in_degree1_vec(num_vertices(G1));
         typedef safe_iterator_property_map<
             std::vector< std::size_t >::iterator, IndexMap1
-#ifdef BOOST_NO_STD_ITERATOR_TRAITS
-            ,
-            std::size_t, std::size_t&
-#endif /* BOOST_NO_STD_ITERATOR_TRAITS */
             >
             InDeg1;
         InDeg1 in_degree1(
@@ -630,10 +606,6 @@ namespace detail
         std::vector< std::size_t > in_degree2_vec(num_vertices(G2));
         typedef safe_iterator_property_map<
             std::vector< std::size_t >::iterator, IndexMap2
-#ifdef BOOST_NO_STD_ITERATOR_TRAITS
-            ,
-            std::size_t, std::size_t&
-#endif /* BOOST_NO_STD_ITERATOR_TRAITS */
             >
             InDeg2;
         InDeg2 in_degree2(