alpar@209: /* -*- mode: C++; indent-tabs-mode: nil; -*-
alpar@10:  *
alpar@209:  * This file is a part of LEMON, a generic C++ optimization library.
alpar@10:  *
alpar@463:  * Copyright (C) 2003-2009
alpar@10:  * Egervary Jeno Kombinatorikus Optimalizalasi Kutatocsoport
alpar@10:  * (Egervary Research Group on Combinatorial Optimization, EGRES).
alpar@10:  *
alpar@10:  * Permission to use, modify and distribute this software is granted
alpar@10:  * provided that this copyright notice appears in all copies. For
alpar@10:  * precise terms see the accompanying LICENSE file.
alpar@10:  *
alpar@10:  * This software is provided "AS IS" with no warranty of any kind,
alpar@10:  * express or implied, and with no claim as to its suitability for any
alpar@10:  * purpose.
alpar@10:  *
alpar@10:  */
alpar@10: 
alpar@10: #include <lemon/random.h>
alpar@10: #include "test_tools.h"
alpar@10: 
deba@102: int seed_array[] = {1, 2};
deba@102: 
alpar@1379: int rnd_seq32[] = {
alpar@1379: 2732, 43567, 42613, 52416, 45891, 21243, 30403, 32103, 
alpar@1379: 62501, 33003, 12172, 5192, 32511, 50057, 43723, 7813, 
alpar@1379: 23720, 35343, 6637, 30280, 44566, 31019, 18898, 33867, 
alpar@1379: 5994, 1688, 11513, 59011, 48056, 25544, 39168, 25365, 
alpar@1379: 17530, 8366, 27063, 49861, 55169, 63848, 11863, 49608
alpar@1379: };
alpar@1379: int rnd_seq64[] = {
alpar@1379: 56382, 63883, 59577, 64750, 9644, 59886, 57647, 18152, 
alpar@1379: 28520, 64078, 17818, 49294, 26424, 26697, 53684, 19209, 
alpar@1379: 35404, 12121, 12837, 11827, 32156, 58333, 62553, 7907, 
alpar@1379: 64427, 39399, 21971, 48789, 46981, 15716, 53335, 65256, 
alpar@1379: 12999, 15308, 10906, 42162, 47587, 43006, 53921, 18716
alpar@1379: };
alpar@1379: 
alpar@1379: void seq_test() {
alpar@1379:   for(int i=0;i<5;i++) {
alpar@1379:     lemon::Random32 r32(i);
alpar@1379:     lemon::Random64 r64(i);
alpar@1379:     for(int j=0;j<8;j++) {
alpar@1379:       check(r32[65536]==rnd_seq32[i*8+j], "Wrong random sequence");
alpar@1379:       check(r64[65536]==rnd_seq64[i*8+j], "Wrong random sequence");
alpar@1379:     }
alpar@1379:   }
alpar@1379: }
alpar@1379: 
alpar@1379: 
alpar@10: int main()
alpar@10: {
alpar@10:   double a=lemon::rnd();
alpar@10:   check(a<1.0&&a>0.0,"This should be in [0,1)");
alpar@10:   a=lemon::rnd.gauss();
alpar@10:   a=lemon::rnd.gamma(3.45,0);
alpar@10:   a=lemon::rnd.gamma(4);
alpar@10:   //Does gamma work with integer k?
alpar@10:   a=lemon::rnd.gamma(4.0,0);
alpar@92:   a=lemon::rnd.poisson(.5);
deba@102: 
deba@102:   lemon::rnd.seed(100);
alpar@209:   lemon::rnd.seed(seed_array, seed_array +
alpar@209:                   (sizeof(seed_array) / sizeof(seed_array[0])));
deba@102: 
alpar@1379:   seq_test();
deba@102:   return 0;
alpar@10: }