Re: [Boost-users] BUG: example boost_file_dependencies.cpp does not compile.

From: Doug Gregor (dgregor_at_[hidden])
Date: 2006-01-23 15:57:07

Hi Robert,

On Jan 3, 2006, at 5:02 PM, Robert McCullough wrote:
> I have tried to compile the example boost_file_dependencies.cpp using 
> version 1.33.1 under Linux (gcc) and Windows XP (VC 7.1) and get the 
> same errors.
> It does not like the following call to 
> dijkstra_shortest_paths_no_init(). If I commit this function out it 
> compiles fine.
> Any ideas on how to fix this?

Here's the patch that fixes this example:

Index: file_dependencies.cpp
===================================================================
RCS file: 
/cvsroot/boost/boost/libs/graph/example/file_dependencies.cpp,v
retrieving revision 1.16
diff -u -r1.16 file_dependencies.cpp
--- file_dependencies.cpp       24 Mar 2005 14:54:10 -0000      1.16
+++ file_dependencies.cpp       23 Jan 2006 20:56:18 -0000
@@ -133,7 +133,7 @@
    // grouped together
    {
      // Set up the necessary graph properties.
-    vector<int> time(N);
+    vector<int> time(N, (std::numeric_limits<int>::max)());
      typedef vector<int>::iterator Time;
      property_map<Graph, edge_weight_t>::type weight = get(edge_weight, 
g);

@@ -157,8 +157,8 @@
            indexmap = get(vertex_index, g);
          dijkstra_shortest_paths_no_init
            (g, *i, &pred[0], &time[0], weight, indexmap,
-           compare, combine, 0,  // Since we are using > instead of >, 
we
-           (std::numeric_limits<int>::max)(), // flip 0 and inf.
+           compare, combine, 0,  // Since we are using > instead of <, 
we
+                                 // flip 0 and inf.
             default_dijkstra_visitor());
        }
      }

It's also corrected in Boost CVS. Thanks for reporting this, and my 
apologies for the looooooooong delay.

        Doug