jrtplib  3.6.0
rtprandom.h
Go to the documentation of this file.
1 /*
2 
3  This file is a part of JRTPLIB
4  Copyright (c) 1999-2006 Jori Liesenborgs
5 
6  Contact: jori.liesenborgs@gmail.com
7 
8  This library was developed at the "Expertisecentrum Digitale Media"
9  (http://www.edm.uhasselt.be), a research center of the Hasselt University
10  (http://www.uhasselt.be). The library is based upon work done for
11  my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
12 
13  Permission is hereby granted, free of charge, to any person obtaining a
14  copy of this software and associated documentation files (the "Software"),
15  to deal in the Software without restriction, including without limitation
16  the rights to use, copy, modify, merge, publish, distribute, sublicense,
17  and/or sell copies of the Software, and to permit persons to whom the
18  Software is furnished to do so, subject to the following conditions:
19 
20  The above copyright notice and this permission notice shall be included
21  in all copies or substantial portions of the Software.
22 
23  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
24  OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
25  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
26  THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
27  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
28  FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
29  IN THE SOFTWARE.
30 
31 */
32 
37 #ifndef RTPRANDOM_H
38 
39 #define RTPRANDOM_H
40 
41 #include "rtpconfig.h"
42 #include "rtptypes.h"
43 #include <stdlib.h>
44 
46 class RTPRandom
47 {
48 public:
49  RTPRandom();
50  ~RTPRandom();
51 
53  uint8_t GetRandom8();
54 
56  uint16_t GetRandom16();
57 
59  uint32_t GetRandom32();
60 
62  double GetRandomDouble();
63 private:
64 #if defined(RTP_SUPPORT_GNUDRAND)
65  struct drand48_data drandbuffer;
66 #elif defined(RTP_SUPPORT_RANDR)
67  unsigned int state;
68 #endif // RTP_SUPPORT_GNUDRAND
69 };
70 
71 #endif // RTPRANDOM_H
72 
uint8_t GetRandom8()
Returns a random eight bit value.
uint16_t GetRandom16()
Returns a random sixteen bit value.
double GetRandomDouble()
Returns a random number between $0.0$ and $1.0$.
uint32_t GetRandom32()
Returns a random thirty-two bit value.
The RTPRandom class can be used to generate random numbers.
Definition: rtprandom.h:46