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83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*
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Rewritten to fit into the Qt Network framework
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Copyright (c) 2018 Edouard Griffiths, F4EXB
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This file is a part of JRTPLIB
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Copyright (c) 1999-2017 Jori Liesenborgs
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Contact: jori.liesenborgs@gmail.com
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This library was developed at the Expertise Centre for Digital Media
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(http://www.edm.uhasselt.be), a research center of the Hasselt University
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(http://www.uhasselt.be). The library is based upon work done for
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my thesis at the School for Knowledge Technology (Belgium/The Netherlands).
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Permission is hereby granted, free of charge, to any person obtaining a
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copy of this software and associated documentation files (the "Software"),
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to deal in the Software without restriction, including without limitation
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the rights to use, copy, modify, merge, publish, distribute, sublicense,
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and/or sell copies of the Software, and to permit persons to whom the
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Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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IN THE SOFTWARE.
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*/
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/**
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* \file rtprandom.h
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*/
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#ifndef RTPRANDOM_H
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#define RTPRANDOM_H
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//#include "rtpconfig.h"
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//#include "rtptypes.h"
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#include <stdlib.h>
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#include <stdint.h>
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#define RTPRANDOM_2POWMIN63 1.08420217248550443400745280086994171142578125e-19
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namespace qrtplib
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{
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/** Interface for generating random numbers. */
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class RTPRandom
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{
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public:
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RTPRandom() { }
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virtual ~RTPRandom() { }
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/** Returns a random eight bit value. */
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virtual uint8_t GetRandom8() = 0;
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/** Returns a random sixteen bit value. */
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virtual uint16_t GetRandom16() = 0;
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/** Returns a random thirty-two bit value. */
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virtual uint32_t GetRandom32() = 0;
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/** Returns a random number between $0.0$ and $1.0$. */
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virtual double GetRandomDouble() = 0;
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/** Can be used by subclasses to generate a seed for a random number generator. */
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uint32_t PickSeed();
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/** Allocate a default random number generator based on your platform. */
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static RTPRandom *CreateDefaultRandomNumberGenerator();
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};
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} // end namespace
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#endif // RTPRANDOM_H
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