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<h1>gr_random.h</h1> </div>
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<a href="gr__random_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- c++ -*- */</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * Copyright 2002 Free Software Foundation, Inc.</span>
<a name="l00004"></a>00004 <span class="comment"> * </span>
<a name="l00005"></a>00005 <span class="comment"> * This file is part of GNU Radio</span>
<a name="l00006"></a>00006 <span class="comment"> * </span>
<a name="l00007"></a>00007 <span class="comment"> * GNU Radio is free software; you can redistribute it and/or modify</span>
<a name="l00008"></a>00008 <span class="comment"> * it under the terms of the GNU General Public License as published by</span>
<a name="l00009"></a>00009 <span class="comment"> * the Free Software Foundation; either version 3, or (at your option)</span>
<a name="l00010"></a>00010 <span class="comment"> * any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> * </span>
<a name="l00012"></a>00012 <span class="comment"> * GNU Radio is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span>
<a name="l00015"></a>00015 <span class="comment"> * GNU General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> * </span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU General Public License</span>
<a name="l00018"></a>00018 <span class="comment"> * along with GNU Radio; see the file COPYING. If not, write to</span>
<a name="l00019"></a>00019 <span class="comment"> * the Free Software Foundation, Inc., 51 Franklin Street,</span>
<a name="l00020"></a>00020 <span class="comment"> * Boston, MA 02110-1301, USA.</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#ifndef INCLUDED_GR_RANDOM_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDED_GR_RANDOM_H</span>
<a name="l00025"></a>00025 <span class="preprocessor"></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <gr_complex.h></span>
<a name="l00027"></a>00027 <span class="comment"></span>
<a name="l00028"></a>00028 <span class="comment">/*!</span>
<a name="l00029"></a>00029 <span class="comment"> * \brief pseudo random number generator</span>
<a name="l00030"></a>00030 <span class="comment"> * \ingroup math_blk</span>
<a name="l00031"></a>00031 <span class="comment"> */</span>
<a name="l00032"></a><a class="code" href="classgr__random.html">00032</a> <span class="keyword">class </span><a class="code" href="classgr__random.html" title="pseudo random number generator">gr_random</a> {
<a name="l00033"></a>00033 <span class="keyword">protected</span>:
<a name="l00034"></a><a class="code" href="classgr__random.html#a8f1b1e5c54a30ac69fff02349c29bb3c">00034</a> <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classgr__random.html#a8f1b1e5c54a30ac69fff02349c29bb3c">NTAB</a> = 32;
<a name="l00035"></a><a class="code" href="classgr__random.html#a24ce6b632729fa0e58e6cadbe145b6c6">00035</a> <span class="keywordtype">long</span> <a class="code" href="classgr__random.html#a24ce6b632729fa0e58e6cadbe145b6c6">d_seed</a>;
<a name="l00036"></a><a class="code" href="classgr__random.html#abbc296b1c059b526c417c0f224e4ffbd">00036</a> <span class="keywordtype">long</span> <a class="code" href="classgr__random.html#abbc296b1c059b526c417c0f224e4ffbd">d_iy</a>;
<a name="l00037"></a><a class="code" href="classgr__random.html#a822a421f17a5535137212900f336d50f">00037</a> <span class="keywordtype">long</span> <a class="code" href="classgr__random.html#a822a421f17a5535137212900f336d50f">d_iv</a>[<a class="code" href="classgr__random.html#a8f1b1e5c54a30ac69fff02349c29bb3c">NTAB</a>];
<a name="l00038"></a><a class="code" href="classgr__random.html#ae0bd3109414fa9436e2cea16cdd0eaba">00038</a> <span class="keywordtype">int</span> <a class="code" href="classgr__random.html#ae0bd3109414fa9436e2cea16cdd0eaba">d_iset</a>;
<a name="l00039"></a><a class="code" href="classgr__random.html#a4d6557a7e16c78e76ffd54d06d238ba3">00039</a> <span class="keywordtype">float</span> <a class="code" href="classgr__random.html#a4d6557a7e16c78e76ffd54d06d238ba3">d_gset</a>;
<a name="l00040"></a>00040
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="keyword">public</span>:
<a name="l00043"></a>00043 <a class="code" href="classgr__random.html#af460e2b5104adde02514d8f31b5992ef">gr_random</a> (<span class="keywordtype">long</span> seed=3021);
<a name="l00044"></a>00044
<a name="l00045"></a>00045 <span class="keywordtype">void</span> <a class="code" href="classgr__random.html#ac789aea501776358ecadc0e8335cb91d">reseed</a> (<span class="keywordtype">long</span> seed);
<a name="l00046"></a>00046 <span class="comment"></span>
<a name="l00047"></a>00047 <span class="comment"> /*!</span>
<a name="l00048"></a>00048 <span class="comment"> * \brief uniform random deviate in the range [0.0, 1.0)</span>
<a name="l00049"></a>00049 <span class="comment"> */</span>
<a name="l00050"></a>00050 <span class="keywordtype">float</span> <a class="code" href="classgr__random.html#a1d75713da92a7d0f5d61c333464620a1" title="uniform random deviate in the range [0.0, 1.0)">ran1</a> ();
<a name="l00051"></a>00051 <span class="comment"></span>
<a name="l00052"></a>00052 <span class="comment"> /*!</span>
<a name="l00053"></a>00053 <span class="comment"> * \brief normally distributed deviate with zero mean and variance 1</span>
<a name="l00054"></a>00054 <span class="comment"> */</span>
<a name="l00055"></a>00055 <span class="keywordtype">float</span> <a class="code" href="classgr__random.html#a875e2d1c38685842fac1bb2ffe91d376" title="normally distributed deviate with zero mean and variance 1">gasdev</a> ();
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <span class="keywordtype">float</span> <a class="code" href="classgr__random.html#a6a1c068278c3dd02fd7f37247fa18939">laplacian</a> ();
<a name="l00058"></a>00058 <span class="keywordtype">float</span> <a class="code" href="classgr__random.html#a3e9aa9db8d55613357baf9c39950d23c">impulse</a> (<span class="keywordtype">float</span> factor);
<a name="l00059"></a>00059 <span class="keywordtype">float</span> <a class="code" href="classgr__random.html#a93e7d95c8aa0af5e911bcb269e137950">rayleigh</a> ();
<a name="l00060"></a>00060 <a class="code" href="gr__complex_8h.html#aec4bfe41433369afae9327f1b0bc9109">gr_complex</a> <a class="code" href="classgr__random.html#a48dd1831d7a5bdf81d2dc6aac6c23b27">rayleigh_complex</a> ();
<a name="l00061"></a>00061 };
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="preprocessor">#endif </span><span class="comment">/* INCLUDED_GR_RANDOM_H */</span>
<a name="l00064"></a>00064
</pre></div></div>
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