mirror of
https://github.com/f4exb/sdrangel.git
synced 2024-12-23 01:55:48 -05:00
85 lines
2.4 KiB
C++
85 lines
2.4 KiB
C++
/*
|
|
|
|
This file is a part of JRTPLIB
|
|
Copyright (c) 1999-2017 Jori Liesenborgs
|
|
|
|
Contact: jori.liesenborgs@gmail.com
|
|
|
|
This library was developed at the Expertise Centre for Digital Media
|
|
(http://www.edm.uhasselt.be), a research center of the Hasselt University
|
|
(http://www.uhasselt.be). The library is based upon work done for
|
|
my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
|
|
|
|
Permission is hereby granted, free of charge, to any person obtaining a
|
|
copy of this software and associated documentation files (the "Software"),
|
|
to deal in the Software without restriction, including without limitation
|
|
the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
|
and/or sell copies of the Software, and to permit persons to whom the
|
|
Software is furnished to do so, subject to the following conditions:
|
|
|
|
The above copyright notice and this permission notice shall be included
|
|
in all copies or substantial portions of the Software.
|
|
|
|
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
|
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
|
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
|
|
IN THE SOFTWARE.
|
|
|
|
*/
|
|
|
|
/**
|
|
* \file rtprandom.h
|
|
*/
|
|
|
|
#ifndef RTPRANDOM_H
|
|
|
|
#define RTPRANDOM_H
|
|
|
|
#include "rtptypes.h"
|
|
#include <stdlib.h>
|
|
|
|
#include "export.h"
|
|
|
|
#define RTPRANDOM_2POWMIN63 1.08420217248550443400745280086994171142578125e-19
|
|
|
|
namespace qrtplib
|
|
{
|
|
|
|
/** Interface for generating random numbers. */
|
|
class QRTPLIB_API RTPRandom
|
|
{
|
|
public:
|
|
RTPRandom()
|
|
{
|
|
}
|
|
virtual ~RTPRandom()
|
|
{
|
|
}
|
|
|
|
/** Returns a random eight bit value. */
|
|
virtual uint8_t GetRandom8() = 0;
|
|
|
|
/** Returns a random sixteen bit value. */
|
|
virtual uint16_t GetRandom16() = 0;
|
|
|
|
/** Returns a random thirty-two bit value. */
|
|
virtual uint32_t GetRandom32() = 0;
|
|
|
|
/** Returns a random number between $0.0$ and $1.0$. */
|
|
virtual double GetRandomDouble() = 0;
|
|
|
|
/** Can be used by subclasses to generate a seed for a random number generator. */
|
|
uint32_t PickSeed();
|
|
|
|
/** Allocate a default random number generator based on your platform. */
|
|
static RTPRandom *CreateDefaultRandomNumberGenerator();
|
|
};
|
|
|
|
} // end namespace
|
|
|
|
#endif // RTPRANDOM_H
|
|
|