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extern/quadriflow/3rd/lemon-1.3.1/test/random_test.cc
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| /* -*- 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; | |||||
| } | |||||