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  • doc/html/itpp__ext_8h-source.html

    r280 r287  
    9696<a name="l00038"></a>00038         } 
    9797<a name="l00039"></a>00039  
    98 <a name="l00040"></a>00040 <span class="preprocessor">#ifdef TTT</span> 
    99 <a name="l00041"></a>00041 <span class="preprocessor"></span> 
    100 <a name="l00045"></a>00045         <span class="keyword">class </span>Gamma_RNG { 
    101 <a name="l00046"></a>00046                 <span class="keyword">public</span>: 
    102 <a name="l00048"></a>00048                         Gamma_RNG ( <span class="keywordtype">double</span> a=1.0, <span class="keywordtype">double</span> b=1.0 ); 
    103 <a name="l00050"></a>00050                         <span class="keywordtype">void</span> setup ( <span class="keywordtype">double</span> a0, <span class="keywordtype">double</span> b0 ) { alpha=a0; beta=b0;} 
    104 <a name="l00052"></a>00052                         <span class="keywordtype">double</span> get_setup() <span class="keyword">const</span>; 
    105 <a name="l00054"></a>00054                         <span class="keywordtype">double</span> operator() () { <span class="keywordflow">return</span> sample(); } 
    106 <a name="l00056"></a>00056                         vec operator() ( <span class="keywordtype">int</span> n ); 
    107 <a name="l00058"></a>00058                         mat operator() ( <span class="keywordtype">int</span> h, <span class="keywordtype">int</span> w ); 
    108 <a name="l00059"></a>00059                 <span class="keyword">protected</span>: 
    109 <a name="l00060"></a>00060                 <span class="keyword">private</span>: 
    110 <a name="l00062"></a>00062                         <span class="keywordtype">double</span> sample(); 
    111 <a name="l00064"></a>00064                         <span class="keywordtype">double</span> alpha; 
    112 <a name="l00066"></a>00066                         <span class="keywordtype">double</span> beta; 
    113 <a name="l00068"></a>00068                         Random_Generator RNG; 
    114 <a name="l00069"></a>00069                         Normal_RNG NRNG; 
    115 <a name="l00071"></a>00071                         <span class="keyword">inline</span> <span class="keywordtype">double</span> exp_rand() {<span class="keywordflow">return</span> -std::log ( RNG.random_01() );} 
    116 <a name="l00072"></a>00072                         <span class="keyword">inline</span> <span class="keywordtype">double</span> unif_rand() {<span class="keywordflow">return</span> RNG.random_01();} 
    117 <a name="l00073"></a>00073                         <span class="keyword">inline</span> <span class="keywordtype">double</span> norm_rand() {<span class="keywordflow">return</span> NRNG.sample();} 
    118 <a name="l00074"></a>00074  
    119 <a name="l00075"></a>00075         }; 
    120 <a name="l00076"></a>00076 <span class="preprocessor">#endif</span> 
    121 <a name="l00077"></a>00077 <span class="preprocessor"></span>        <span class="keywordtype">bool</span> qr ( <span class="keyword">const</span> mat &amp;A, mat &amp;R ); 
    122 <a name="l00078"></a>00078  
    123 <a name="l00080"></a>00080         std::string num2str(<span class="keywordtype">double</span> d); 
    124 <a name="l00081"></a>00081  
    125 <a name="l00083"></a>00083         std::string num2str(<span class="keywordtype">int</span> i); 
    126 <a name="l00084"></a>00084 } 
    127 <a name="l00085"></a>00085  
    128 <a name="l00086"></a>00086  
    129 <a name="l00087"></a>00087 <span class="preprocessor">#endif //ITEX_H</span> 
     98<a name="l00040"></a>00040 <span class="comment">//      /*!</span> 
     99<a name="l00041"></a>00041 <span class="comment">//        \brief Gamma distribution</span> 
     100<a name="l00042"></a>00042 <span class="comment">//        \ingroup randgen</span> 
     101<a name="l00043"></a>00043 <span class="comment">//      */</span> 
     102<a name="l00044"></a>00044 <span class="comment">//      class Gamma_RNG {</span> 
     103<a name="l00045"></a>00045 <span class="comment">//              public:</span> 
     104<a name="l00046"></a>00046 <span class="comment">// //! constructor. Set lambda.</span> 
     105<a name="l00047"></a>00047 <span class="comment">//                      Gamma_RNG ( double a=1.0, double b=1.0 );</span> 
     106<a name="l00048"></a>00048 <span class="comment">//                      //! Set lambda</span> 
     107<a name="l00049"></a>00049 <span class="comment">//                      void setup ( double a0, double b0 ) { alpha=a0; beta=b0;}</span> 
     108<a name="l00050"></a>00050 <span class="comment">//                      //! get lambda</span> 
     109<a name="l00051"></a>00051 <span class="comment">//                      double get_setup() const;</span> 
     110<a name="l00052"></a>00052 <span class="comment">//                      //! Get one sample.</span> 
     111<a name="l00053"></a>00053 <span class="comment">//                      double operator() () { return sample(); }</span> 
     112<a name="l00054"></a>00054 <span class="comment">//                      //! Get a sample vector.</span> 
     113<a name="l00055"></a>00055 <span class="comment">//                      vec operator() ( int n );</span> 
     114<a name="l00056"></a>00056 <span class="comment">//                      //! Get a sample matrix.</span> 
     115<a name="l00057"></a>00057 <span class="comment">//                      mat operator() ( int h, int w );</span> 
     116<a name="l00058"></a>00058 <span class="comment">//              protected:</span> 
     117<a name="l00059"></a>00059 <span class="comment">//              private:</span> 
     118<a name="l00060"></a>00060 <span class="comment">//                      //!</span> 
     119<a name="l00061"></a>00061 <span class="comment">//                      double sample();</span> 
     120<a name="l00062"></a>00062 <span class="comment">//                      //!</span> 
     121<a name="l00063"></a>00063 <span class="comment">//                      double alpha;</span> 
     122<a name="l00064"></a>00064 <span class="comment">//                      //!</span> 
     123<a name="l00065"></a>00065 <span class="comment">//                      double beta;</span> 
     124<a name="l00066"></a>00066 <span class="comment">//                      //!</span> 
     125<a name="l00067"></a>00067 <span class="comment">//                      Random_Generator RNG;</span> 
     126<a name="l00068"></a>00068 <span class="comment">//                      Normal_RNG NRNG;</span> 
     127<a name="l00069"></a>00069 <span class="comment">//                      //! compatibility with R</span> 
     128<a name="l00070"></a>00070 <span class="comment">//                      inline double exp_rand() {return -std::log ( RNG.random_01() );}</span> 
     129<a name="l00071"></a>00071 <span class="comment">//                      inline double unif_rand() {return RNG.random_01();}</span> 
     130<a name="l00072"></a>00072 <span class="comment">//                      inline double norm_rand() {return NRNG.sample();}</span> 
     131<a name="l00073"></a>00073 <span class="comment">// </span> 
     132<a name="l00074"></a>00074 <span class="comment">//      };</span> 
     133<a name="l00075"></a>00075 <span class="comment">//      bool qr ( const mat &amp;A, mat &amp;R );</span> 
     134<a name="l00076"></a>00076 <span class="comment">// </span> 
     135<a name="l00077"></a>00077 <span class="comment">//      //! reimplementation of matlab num2str</span> 
     136<a name="l00078"></a>00078 <span class="comment">//      std::string num2str(double d);</span> 
     137<a name="l00079"></a>00079 <span class="comment">// </span> 
     138<a name="l00080"></a>00080 <span class="comment">//      //! reimplementation of matlabs num2str</span> 
     139<a name="l00081"></a>00081 <span class="comment">//      std::string num2str(int i);</span> 
     140<a name="l00082"></a>00082  } 
     141<a name="l00083"></a>00083  
     142<a name="l00084"></a>00084  
     143<a name="l00085"></a>00085 <span class="preprocessor">#endif //ITEX_H</span> 
    130144</pre></div></div> 
    131 <hr size="1"><address style="text-align: right;"><small>Generated on Wed Feb 18 17:38:39 2009 for mixpp by&nbsp; 
     145<hr size="1"><address style="text-align: right;"><small>Generated on Wed Mar 4 18:50:10 2009 for mixpp by&nbsp; 
    132146<a href="http://www.doxygen.org/index.html"> 
    133147<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>