test/random_test.cc
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     1 /* -*- C++ -*-
       
     2  *
       
     3  * This file is a part of LEMON, a generic C++ optimization library
       
     4  *
       
     5  * Copyright (C) 2003-2007
       
     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 ///\file \brief Test cases for random.h
       
    23 ///
       
    24 ///\todo To be extended
       
    25 ///
       
    26 
       
    27 int main()
       
    28 {
       
    29   double a=lemon::rnd();
       
    30   check(a<1.0&&a>0.0,"This should be in [0,1)");
       
    31   a=lemon::rnd.gauss();
       
    32   a=lemon::rnd.gamma(3.45,0);
       
    33   a=lemon::rnd.gamma(4);
       
    34   //Does gamma work with integer k?
       
    35   a=lemon::rnd.gamma(4.0,0);
       
    36 }