dust3d/thirdparty/QuadriFlow/3rd/lemon-1.3.1/test/random_test.cc

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1.1 KiB
C++
Executable File

/* -*- mode: C++; indent-tabs-mode: nil; -*-
*
* This file is a part of LEMON, a generic C++ optimization library.
*
* Copyright (C) 2003-2009
* Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
* (Egervary Research Group on Combinatorial Optimization, EGRES).
*
* Permission to use, modify and distribute this software is granted
* provided that this copyright notice appears in all copies. For
* precise terms see the accompanying LICENSE file.
*
* This software is provided "AS IS" with no warranty of any kind,
* express or implied, and with no claim as to its suitability for any
* purpose.
*
*/
#include <lemon/random.h>
#include "test_tools.h"
int seed_array[] = {1, 2};
int main()
{
double a=lemon::rnd();
check(a<1.0&&a>0.0,"This should be in [0,1)");
a=lemon::rnd.gauss();
a=lemon::rnd.gamma(3.45,0);
a=lemon::rnd.gamma(4);
//Does gamma work with integer k?
a=lemon::rnd.gamma(4.0,0);
a=lemon::rnd.poisson(.5);
lemon::rnd.seed(100);
lemon::rnd.seed(seed_array, seed_array +
(sizeof(seed_array) / sizeof(seed_array[0])));
return 0;
}