From 43b5effcdb9acb5c021303c9ea6276d10206e9e9 Mon Sep 17 00:00:00 2001
From: maartenkeijzer <maartenkeijzer>
Date: Wed, 4 Jun 2003 11:50:48 +0000
Subject: [PATCH] added shuffle

---
 eo/src/eoStochasticUniversalSelect.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/eo/src/eoStochasticUniversalSelect.h b/eo/src/eoStochasticUniversalSelect.h
index d9ec16ef..ac64f149 100755
--- a/eo/src/eoStochasticUniversalSelect.h
+++ b/eo/src/eoStochasticUniversalSelect.h
@@ -31,6 +31,8 @@
 
 #include <utils/eoRNG.h>
 #include <eoSelectOne.h>
+#include <utils/selectors.h>
+#include <eoPop.h>
 
 //-----------------------------------------------------------------------------
 /** eoStochasticUniversalSelect: select an individual proportional to her stored fitness
@@ -80,6 +82,11 @@ public:
 	      i = 0;
 	  }
       }
+      // shuffle
+      for (int i = indices.size() - 1; i > 0; --i) {
+	  int j = rng.random(i+1);
+	  swap(indices[i], indices[j]);
+      }
   }
     
   /** do the selection,