From ad2517dfc2d6dd190cfe865c6ac87ff6e3a4bc05 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <francois@fleuret.org>
Date: Tue, 21 Aug 2012 15:30:50 -0700
Subject: [PATCH] Verbose output in cerr.

---
 mtp.cc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mtp.cc b/mtp.cc
index 9fa61aa..8f37fd6 100644
--- a/mtp.cc
+++ b/mtp.cc
@@ -181,7 +181,7 @@ void Graph::find_shortest_path(Vertex **front, Vertex **new_front) {
     }
   }
 #ifdef VERBOSE
-  cout << "residual_error " << residual_error << endl;
+  cerr << "residual_error " << residual_error << endl;
 #endif
 
   for(int v = 0; v < nb_vertices; v++) {
-- 
2.20.1