# source:lemon-1.2/test/random_test.cc@781:6f10c6ec5a21

Last change on this file since 781:6f10c6ec5a21 was 440:88ed40ad0d4f, checked in by Alpar Juttner <alpar@…>, 11 years ago

Happy New Year again

File size: 1.1 KB
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1/* -*- mode: C++; indent-tabs-mode: nil; -*-
2 *
3 * This file is a part of LEMON, a generic C++ optimization library.
4 *
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
8 *
9 * Permission to use, modify and distribute this software is granted
10 * provided that this copyright notice appears in all copies. For
11 * precise terms see the accompanying LICENSE file.
12 *
13 * This software is provided "AS IS" with no warranty of any kind,
14 * express or implied, and with no claim as to its suitability for any
15 * purpose.
16 *
17 */
18
19#include <lemon/random.h>
20#include "test_tools.h"
21
22int seed_array[] = {1, 2};
23
24int main()
25{
26  double a=lemon::rnd();
27  check(a<1.0&&a>0.0,"This should be in [0,1)");
28  a=lemon::rnd.gauss();
29  a=lemon::rnd.gamma(3.45,0);
30  a=lemon::rnd.gamma(4);
31  //Does gamma work with integer k?
32  a=lemon::rnd.gamma(4.0,0);
33  a=lemon::rnd.poisson(.5);
34
35  lemon::rnd.seed(100);
36  lemon::rnd.seed(seed_array, seed_array +
37                  (sizeof(seed_array) / sizeof(seed_array[0])));
38
39  return 0;
40}
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