Backport relevant parts of bugfixes [ad22262328b3], [61fdd06833a6] and [4add05447ca0] to branch 1.2 (#623)
1 /* -*- mode: C++; indent-tabs-mode: nil; -*-
3 * This file is a part of LEMON, a generic C++ optimization library.
5 * Copyright (C) 2003-2009
6 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
7 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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.
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
19 #include <lemon/random.h>
20 #include "test_tools.h"
22 int seed_array[] = {1, 2};
26 double a=lemon::rnd();
27 check(a<1.0&&a>0.0,"This should be in [0,1)");
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);
36 lemon::rnd.seed(seed_array, seed_array +
37 (sizeof(seed_array) / sizeof(seed_array[0])));