Changeset 2229:4dbb6dd2dd4b in lemon-0.x for test/graph_utils_test.h

Timestamp:

10/02/06 18:11:00 (18 years ago)

Author:

Balazs Dezso

Branch:

default

Phase:

public

Convert:

svn:c9d7d8f5-90d6-0310-b91f-818b3a526b0e/lemon/trunk@2969

Message:

Mersenne Twister random number generator

The code is based on the official MT19937 implementation
It is fully rewritten:

​http://www.math.sci.hiroshima-u.ac.jp/~m-mat/MT/emt.html

todo: fixing copyright information

File:

• test/graph_utils_test.h (modified) (2 diffs)

test/graph_utils_test.h

@@ -51 +51 @@
     typedef typename Graph::EdgeIt EdgeIt;
     Graph graph;
-    srand(time(0));
     for (int i = 0; i < 10; ++i) {
       graph.addNode();
@@ -58 +57 @@
     typename DescriptorMap<Graph, Node>::InverseMap invNodes(nodes);
     for (int i = 0; i < 100; ++i) {
-      int src = (int)(rand() / (RAND_MAX + 1.0) * invNodes.size());
-      int trg = (int)(rand() / (RAND_MAX + 1.0) * invNodes.size());
+      int src = rnd.getInt(invNodes.size());
+      int trg = rnd.getInt(invNodes.size());
       graph.addEdge(invNodes[src], invNodes[trg]);
     }