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65<h1>itpp_ext.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//</span>
66<a name="l00002"></a>00002 <span class="comment">// C++ Interface: itpp_ext</span>
67<a name="l00003"></a>00003 <span class="comment">//</span>
68<a name="l00004"></a>00004 <span class="comment">// Description:</span>
69<a name="l00005"></a>00005 <span class="comment">//</span>
70<a name="l00006"></a>00006 <span class="comment">//</span>
71<a name="l00007"></a>00007 <span class="comment">// Author: smidl &lt;smidl@utia.cas.cz&gt;, (C) 2008</span>
72<a name="l00008"></a>00008 <span class="comment">//</span>
73<a name="l00009"></a>00009 <span class="comment">// Copyright: See COPYING file that comes with this distribution</span>
74<a name="l00010"></a>00010 <span class="comment">//</span>
75<a name="l00011"></a>00011 <span class="comment">//</span>
76<a name="l00012"></a>00012 <span class="preprocessor">#include &lt;itpp/itbase.h&gt;</span>
77<a name="l00013"></a>00013
78<a name="l00014"></a>00014 <span class="preprocessor">#ifndef ITEX_H</span>
79<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#define ITEX_H</span>
80<a name="l00016"></a>00016 <span class="preprocessor"></span>
81<a name="l00017"></a>00017 <span class="keyword">using</span> std::cout;
82<a name="l00018"></a>00018 <span class="keyword">using</span> std::endl;
83<a name="l00019"></a>00019
84<a name="l00020"></a>00020 <span class="keyword">namespace </span>itpp {
85<a name="l00021"></a>00021         Array&lt;int&gt; to_Arr ( <span class="keyword">const</span> ivec &amp;indices );
86<a name="l00022"></a>00022         ivec linspace ( <span class="keywordtype">int</span> from, <span class="keywordtype">int</span> to );
87<a name="l00023"></a>00023
88<a name="l00024"></a>00024         vec get_vec(<span class="keyword">const</span> vec &amp;v, <span class="keyword">const</span> ivec &amp;indexlist);
89<a name="l00025"></a>00025         
90<a name="l00026"></a>00026         bvec operator&amp; ( <span class="keyword">const</span> bvec &amp;a, <span class="keyword">const</span> bvec &amp;b );
91<a name="l00027"></a>00027         bvec operator| ( <span class="keyword">const</span> bvec &amp;a, <span class="keyword">const</span> bvec &amp;b );
92<a name="l00028"></a>00028
93<a name="l00029"></a>00029 <span class="comment">// template&lt;class Num_T&gt;</span>
94<a name="l00030"></a>00030 <span class="comment">// void set_subvector(vec &amp;ov, ivec &amp;iv, const Vec&lt;Num_T&gt; &amp;v);</span>
95<a name="l00031"></a>00031
96<a name="l00032"></a>00032         <span class="keywordtype">void</span> set_subvector ( vec &amp;ov, <span class="keyword">const</span> ivec &amp;iv, <span class="keyword">const</span> vec &amp;v );
97<a name="l00033"></a>00033
98<a name="l00034"></a>00034         <span class="keyword">template</span>&lt;<span class="keyword">class</span> Num_T&gt; <span class="keyword">inline</span>
99<a name="l00035"></a>00035         <span class="keywordtype">void</span> set_col_part(mat &amp;M, <span class="keywordtype">int</span> c, <span class="keyword">const</span> Vec&lt;Num_T&gt; &amp;v)
100<a name="l00036"></a>00036         {
101<a name="l00037"></a>00037                 copy_vector(v.size(), v._data(), M._data() + c*M.rows());
102<a name="l00038"></a>00038         }
103<a name="l00039"></a>00039
104<a name="l00044"></a><a class="code" href="classitpp_1_1Gamma__RNG.html">00044</a>         <span class="keyword">class </span><a class="code" href="classitpp_1_1Gamma__RNG.html" title="Gamma distribution.">Gamma_RNG</a> {
105<a name="l00045"></a>00045                 <span class="keyword">public</span>:
106<a name="l00047"></a>00047                         <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 );
107<a name="l00049"></a><a class="code" href="classitpp_1_1Gamma__RNG.html#dfaae19411e39aa87e1f72e409b6babe">00049</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;}
108<a name="l00051"></a>00051                         <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>;
109<a name="l00053"></a><a class="code" href="classitpp_1_1Gamma__RNG.html#98e2e65456bca33fca602b2bd607235e">00053</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(); }
110<a name="l00055"></a>00055                         vec <a class="code" href="classitpp_1_1Gamma__RNG.html#98e2e65456bca33fca602b2bd607235e" title="Get one sample.">operator() </a>( <span class="keywordtype">int</span> n );
111<a name="l00057"></a>00057                         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 );
112<a name="l00058"></a>00058                 <span class="keyword">protected</span>:
113<a name="l00059"></a>00059                 <span class="keyword">private</span>:
114<a name="l00061"></a>00061                         <span class="keywordtype">double</span> sample();
115<a name="l00063"></a>00063                         <span class="keywordtype">double</span> alpha;
116<a name="l00065"></a>00065                         <span class="keywordtype">double</span> beta;
117<a name="l00067"></a>00067                         Random_Generator RNG;
118<a name="l00068"></a>00068                         Normal_RNG NRNG;
119<a name="l00070"></a>00070                         <span class="keyword">inline</span> <span class="keywordtype">double</span> exp_rand() {<span class="keywordflow">return</span> -std::log ( RNG.random_01() );}
120<a name="l00071"></a>00071                         <span class="keyword">inline</span> <span class="keywordtype">double</span> unif_rand() {<span class="keywordflow">return</span> RNG.random_01();}
121<a name="l00072"></a>00072                         <span class="keyword">inline</span> <span class="keywordtype">double</span> norm_rand() {<span class="keywordflow">return</span> NRNG.sample();}
122<a name="l00073"></a>00073
123<a name="l00074"></a>00074         };
124<a name="l00075"></a>00075         <span class="keywordtype">bool</span> qr ( <span class="keyword">const</span> mat &amp;A, mat &amp;R );
125<a name="l00076"></a>00076
126<a name="l00078"></a>00078         std::string num2str(<span class="keywordtype">double</span> d);
127<a name="l00079"></a>00079
128<a name="l00081"></a>00081         std::string num2str(<span class="keywordtype">int</span> i);
129<a name="l00082"></a>00082 }
130<a name="l00083"></a>00083
131<a name="l00084"></a>00084
132<a name="l00085"></a>00085 <span class="preprocessor">#endif //ITEX_H</span>
133</pre></div></div>
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