test/random_test.cc
author Alpar Juttner <alpar@cs.elte.hu>
Sun, 07 Mar 2010 09:42:47 +0000
branch1.1
changeset 720 86a880ba752d
parent 209 765619b7cbb2
permissions -rw-r--r--
Update NEWS file
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/* -*- mode: C++; indent-tabs-mode: nil; -*-
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 *
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 * This file is a part of LEMON, a generic C++ optimization library.
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 *
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 * Copyright (C) 2003-2009
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 * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
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 * (Egervary Research Group on Combinatorial Optimization, EGRES).
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 *
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 * Permission to use, modify and distribute this software is granted
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 * provided that this copyright notice appears in all copies. For
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 * precise terms see the accompanying LICENSE file.
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 *
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 * This software is provided "AS IS" with no warranty of any kind,
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 * express or implied, and with no claim as to its suitability for any
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 * purpose.
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 *
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 */
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#include <lemon/random.h>
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#include "test_tools.h"
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int seed_array[] = {1, 2};
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int main()
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{
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  double a=lemon::rnd();
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  check(a<1.0&&a>0.0,"This should be in [0,1)");
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  a=lemon::rnd.gauss();
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  a=lemon::rnd.gamma(3.45,0);
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  a=lemon::rnd.gamma(4);
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  //Does gamma work with integer k?
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  a=lemon::rnd.gamma(4.0,0);
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  a=lemon::rnd.poisson(.5);
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  lemon::rnd.seed(100);
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  lemon::rnd.seed(seed_array, seed_array +
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                  (sizeof(seed_array) / sizeof(seed_array[0])));
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  return 0;
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}