/
tools.cpp
executable file
·86 lines (74 loc) · 3.58 KB
/
tools.cpp
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
/*****************************************************************************
* PokerTH - The open source texas holdem engine *
* Copyright (C) 2006-2012 Felix Hammer, Florian Thauer, Lothar May *
* *
* This program is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Affero General Public License as *
* published by the Free Software Foundation, either version 3 of the *
* License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Affero General Public License for more details. *
* *
* You should have received a copy of the GNU Affero General Public License *
* along with this program. If not, see <http://www.gnu.org/licenses/>. *
* *
* *
* Additional permission under GNU AGPL version 3 section 7 *
* *
* If you modify this program, or any covered work, by linking or *
* combining it with the OpenSSL project's OpenSSL library (or a *
* modified version of that library), containing parts covered by the *
* terms of the OpenSSL or SSLeay licenses, the authors of PokerTH *
* (Felix Hammer, Florian Thauer, Lothar May) grant you additional *
* permission to convey the resulting work. *
* Corresponding Source for a non-source form of such a combination *
* shall include the source code for the parts of OpenSSL used as well *
* as that of the covered work. *
*****************************************************************************/
#define NOMINMAX // for Windows
#ifdef ANDROID
#error This file is not for android.
#endif
#include "tools.h"
#include <core/loghelper.h>
#include <core/openssl_wrapper.h>
#include <boost/thread.hpp>
#include <boost/nondet_random.hpp>
#include <boost/random/uniform_int.hpp>
#include <boost/random/variate_generator.hpp>
using namespace std;
boost::thread_specific_ptr<boost::random_device> g_rand_state;
struct nondet_rng : std::unary_function<unsigned, unsigned> {
boost::random_device &_state;
unsigned operator()(unsigned i)
{
boost::uniform_int<> rng(0, i - 1);
return rng(_state);
}
nondet_rng(boost::random_device &state) : _state(state) {}
};
static inline void InitRandState()
{
if (!g_rand_state.get()) {
g_rand_state.reset(new boost::random_device);
}
}
void Tools::ShuffleArrayNonDeterministic(int *inout, unsigned count)
{
InitRandState();
nondet_rng rand(*g_rand_state);
random_shuffle(&inout[0], &inout[count], rand);
}
void Tools::GetRand(int minValue, int maxValue, unsigned count, int *out)
{
InitRandState();
boost::uniform_int<> dist(minValue, maxValue);
boost::variate_generator<boost::random_device&, boost::uniform_int<> > gen(*g_rand_state, dist);
int *startPtr = out;
for (unsigned i = 0; i < count; i++) {
*startPtr++ = gen();
}
}