diff -r 37e0966e43b6 -r 16523135943d demo/simann_maxcut_demo.cc
--- a/demo/simann_maxcut_demo.cc	Fri Oct 13 15:10:50 2006 +0000
+++ b/demo/simann_maxcut_demo.cc	Sat Oct 14 15:26:05 2006 +0000
@@ -54,7 +54,7 @@
     Entity(Graph& _g, Graph::EdgeMap<int>& _w) : g(_g), w(_w), a(_g) {}
     double mutate() {
       static const int node_num = countNodes(g);
-      int i = 1 + (int) (node_num * (rand() / (RAND_MAX + 1.0)));
+      int i = 1 + rnd[node_num];
       NodeIt n(g);
       int j = 1;
       while (j < i) {
@@ -91,7 +91,7 @@
       for (NodeIt n(g); n != INVALID; ++n)
         a[n] = false;
       for (NodeIt n(g); n != INVALID; ++n)
-        if (rand() < 0.5) a[n] = true;
+        if (rnd.boolean(0.5)) a[n] = true;
       sum = 0;
       for (EdgeIt e(g); e != INVALID; ++e)
         if (a[g.source(e)] != a[g.target(e)])