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16<h1>work/mixpp/bdm/itpp_ext.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
17<a name="l00002"></a>00002 <span class="comment">// C++ Interface: itpp_ext</span>
18<a name="l00003"></a>00003 <span class="comment">//</span>
19<a name="l00004"></a>00004 <span class="comment">// Description: </span>
20<a name="l00005"></a>00005 <span class="comment">//</span>
21<a name="l00006"></a>00006 <span class="comment">//</span>
22<a name="l00007"></a>00007 <span class="comment">// Author: smidl &lt;smidl@utia.cas.cz&gt;, (C) 2008</span>
23<a name="l00008"></a>00008 <span class="comment">//</span>
24<a name="l00009"></a>00009 <span class="comment">// Copyright: See COPYING file that comes with this distribution</span>
25<a name="l00010"></a>00010 <span class="comment">//</span>
26<a name="l00011"></a>00011 <span class="comment">//</span>
27<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;itpp/itbase.h&gt;</span>
28<a name="l00013"></a>00013
29<a name="l00014"></a>00014 <span class="keyword">using</span> std::cout;
30<a name="l00015"></a>00015 <span class="keyword">using</span> std::endl;
31<a name="l00016"></a>00016
32<a name="l00017"></a>00017 <span class="keyword">namespace </span>itpp {
33<a name="l00018"></a>00018         Array&lt;int&gt; to_Arr(<span class="keyword">const</span> ivec &amp;indices);
34<a name="l00019"></a>00019         
35<a name="l00024"></a><a class="code" href="classitpp_1_1Gamma__RNG.html">00024</a>   <span class="keyword">class </span><a class="code" href="classitpp_1_1Gamma__RNG.html" title="Gamma distribution.">Gamma_RNG</a> {
36<a name="l00025"></a>00025   <span class="keyword">public</span>:
37<a name="l00027"></a>00027     <a class="code" href="classitpp_1_1Gamma__RNG.html#e132860f825f427d63652edd02c25b54" title="constructor. Set lambda.">Gamma_RNG</a>(<span class="keywordtype">double</span> a=1.0, <span class="keywordtype">double</span> b=1.0);
38<a name="l00029"></a><a class="code" href="classitpp_1_1Gamma__RNG.html#dfaae19411e39aa87e1f72e409b6babe">00029</a>     <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Gamma__RNG.html#dfaae19411e39aa87e1f72e409b6babe" title="Set lambda.">setup</a>(<span class="keywordtype">double</span> a0, <span class="keywordtype">double</span> b0) { alpha=a0; beta=b0;}
39<a name="l00031"></a>00031     <span class="keywordtype">double</span> <a class="code" href="classitpp_1_1Gamma__RNG.html#8e666953249038f262cece2d3ed952d6" title="get lambda">get_setup</a>() <span class="keyword">const</span>;
40<a name="l00033"></a><a class="code" href="classitpp_1_1Gamma__RNG.html#98e2e65456bca33fca602b2bd607235e">00033</a>     <span class="keywordtype">double</span> <a class="code" href="classitpp_1_1Gamma__RNG.html#98e2e65456bca33fca602b2bd607235e" title="Get one sample.">operator()</a>() { <span class="keywordflow">return</span> sample(); }
41<a name="l00035"></a>00035     vec <a class="code" href="classitpp_1_1Gamma__RNG.html#98e2e65456bca33fca602b2bd607235e" title="Get one sample.">operator()</a>(<span class="keywordtype">int</span> n);
42<a name="l00037"></a>00037     mat <a class="code" href="classitpp_1_1Gamma__RNG.html#98e2e65456bca33fca602b2bd607235e" title="Get one sample.">operator()</a>(<span class="keywordtype">int</span> h, <span class="keywordtype">int</span> w);
43<a name="l00038"></a>00038   <span class="keyword">protected</span>:
44<a name="l00039"></a>00039   <span class="keyword">private</span>:
45<a name="l00041"></a>00041     <span class="keywordtype">double</span> sample();
46<a name="l00043"></a>00043     <span class="keywordtype">double</span> alpha;
47<a name="l00045"></a>00045     <span class="keywordtype">double</span> beta;
48<a name="l00047"></a>00047     Random_Generator RNG;
49<a name="l00048"></a>00048     Normal_RNG NRNG;
50<a name="l00050"></a>00050     <span class="keyword">inline</span> <span class="keywordtype">double</span> exp_rand(){<span class="keywordflow">return</span> -std::log(RNG.random_01());}
51<a name="l00051"></a>00051     <span class="keyword">inline</span> <span class="keywordtype">double</span> unif_rand(){<span class="keywordflow">return</span> RNG.random_01();}
52<a name="l00052"></a>00052     <span class="keyword">inline</span> <span class="keywordtype">double</span> norm_rand(){<span class="keywordflow">return</span> NRNG.sample();}
53<a name="l00053"></a>00053
54<a name="l00054"></a>00054   };
55<a name="l00055"></a>00055   
56<a name="l00056"></a>00056   <span class="keywordtype">bool</span> qr(<span class="keyword">const</span> mat &amp;A, mat &amp;R);
57<a name="l00057"></a>00057   
58<a name="l00058"></a>00058 }
59</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Apr 18 11:15:14 2008 for mixpp by&nbsp;
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61<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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