test/random_test.cc
author Alpar Juttner <alpar@cs.elte.hu>
Mon, 18 Aug 2008 20:33:11 +0200
changeset 249 f0b89f242745
parent 171 02f4d5d9bfd7
child 463 88ed40ad0d4f
permissions -rw-r--r--
Ignore the downloaded tag files
     1 /* -*- mode: C++; indent-tabs-mode: nil; -*-
     2  *
     3  * This file is a part of LEMON, a generic C++ optimization library.
     4  *
     5  * Copyright (C) 2003-2008
     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 
    22 int seed_array[] = {1, 2};
    23 
    24 int 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 }