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<!DOCTYPE html><html><head>
<meta charset="UTF-8">
<title>FBB::IRandStream(3bobcat)</title>
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<link rev="made" href="mailto:Frank B. Brokken: f.b.brokken@rug.nl">
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<body text="#27408B" bgcolor="#FFFAF0">
<hr/>
<h1 id="title">FBB::IRandStream(3bobcat)</h1>
<h2 id="author">Random numbers istream<br/>(libbobcat-dev_4.08.02-x.tar.gz)</h2>
<h2 id="date">2005-2017</h2>


<p>
<h2 >NAME</h2>FBB::IRandStream - Istream producing random numbers
<p>
<h2 >SYNOPSIS</h2>
    <strong >#include &lt;bobcat/irandstream&gt;</strong><br/>
    Linking option: <em >-lbobcat</em> 
<p>
<h2 >DESCRIPTION</h2>
    <strong >FBB::IRandStream</strong> objects may be used to extract random numbers in a
given range from a stream.
<p>
<h2 >NAMESPACE</h2>
    <strong >FBB</strong><br/>
    All constructors, members, operators and manipulators, mentioned in this
man-page, are defined in the namespace <strong >FBB</strong>.
<p>
<h2 >INHERITS FROM</h2>
    <strong >std::istream</strong>, <br/>
    <strong >FBB::RandBuffer</strong> (private) 
<p>
<h2 >CONSTRUCTORS</h2>
    <ul>
    <li> <strong >IRandStream(int max)</strong>:<br/>
    This <strong >FBB::IRandStream()</strong> constructor initializes the random generator.
The default seed (i.e., 1) for the <strong >srand</strong>(3) function is used, meaning that
every new run of the program will generate the same sequence of random
values. Another constructor (see below) is provided when this is not
considered appropriate. Random values between 1 and <em >max</em> (inclusive) are
returned.
<p>
<li> <strong >IRandStream(int min, int max)</strong>:<br/>
    This <strong >FBB::IRandStream()</strong> constructor initializes the random generator.
The default seed (i.e., 1) for the <strong >srand</strong>(3) function is used, meaning that
every new run of the program will generate the same sequence of random
values. Another constructor (see below) is provided when this is not
considered appropriate. Random values between <em >min</em> and <em >max</em> (inclusive)
are returned.
<p>
<li> <strong >IRandStream(int min, int max, long seed)</strong>:<br/>
    This <strong >FBB::IRandStream()</strong> constructor initializes the random
generator. The seed is used to initialize the random number generator. To start
the random generator at some unpredictable point, <em >time(0)</em> could be used.
Random values between <em >min</em> and <em >max</em> (inclusive) are returned.
    </ul>
<p>
<h2 >INHERITED MEMBERS</h2>
<p>
Since the class uses public derivation from <strong >std::istream</strong>, all members
of this class can be used.
<p>
<h2 >EXAMPLE</h2>
    <pre >
#include &lt;iostream&gt;
#include &lt;bobcat/irandstream&gt;

using namespace std;
using namespace FBB;

int main(int argc, char **argv)
{
    IRandStream in(1000);

    for (; argc--; )
    {
        size_t random;
        in &gt;&gt; random;
        cout &lt;&lt; random &lt;&lt; endl;
    }
}

</pre>

<p>
<h2 >FILES</h2>
    <em >bobcat/irandstream</em> - defines the class interface
<p>
<h2 >SEE ALSO</h2>
    <strong >bobcat</strong>(7), <strong >randbuffer</strong>(3bobcat)
<p>
<h2 >BUGS</h2>
    None Reported.
<p>

<h2 >DISTRIBUTION FILES</h2>
    <ul>
    <li> <em >bobcat_4.08.02-x.dsc</em>: detached signature;
    <li> <em >bobcat_4.08.02-x.tar.gz</em>: source archive;
    <li> <em >bobcat_4.08.02-x_i386.changes</em>: change log;
    <li> <em >libbobcat1_4.08.02-x_*.deb</em>: debian package holding the
            libraries;
    <li> <em >libbobcat1-dev_4.08.02-x_*.deb</em>: debian package holding the
            libraries, headers and manual pages;
    <li> <em >http://sourceforge.net/projects/bobcat</em>: public archive location;
    </ul>
<p>
<h2 >BOBCAT</h2>
    Bobcat is an acronym of `Brokken's Own Base Classes And Templates'.
<p>
<h2 >COPYRIGHT</h2>
    This is free software, distributed under the terms of the 
    GNU General Public License (GPL).
<p>
<h2 >AUTHOR</h2>
    Frank B. Brokken (<strong >f.b.brokken@rug.nl</strong>).
<p>
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