X-Git-Url: https://fleuret.org/cgi-bin/gitweb/gitweb.cgi?a=blobdiff_plain;f=polygon.cc;h=35bbd9cbe0c429aab6ba7bd5eff0d7dc6a089123;hb=599bf3fa2eb01b05ec677b628e65adb2fe4f91c3;hp=9e55d80e179396cce8b7fa084c4938f37c15f022;hpb=6408d9fe6e1b82ad9aa71d6e1702ec100a8c3ca1;p=universe.git

diff --git a/polygon.cc b/polygon.cc
index 9e55d80..35bbd9c 100644
--- a/polygon.cc
+++ b/polygon.cc
@@ -2,9 +2,13 @@
 // Written and (C) by Francois Fleuret
 // Contact <francois.fleuret@idiap.ch> for comments & bug reports
 
+#include <iostream>
+
 #include <cmath>
 #include "polygon.h"
 
+using namespace std;
+
 static const scalar_t dl = 20.0;
 static const scalar_t repulsion_constant = 0.2;
 static const scalar_t dissipation = 0.5;