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  • library/doc/html/functions_8h-source.html

    r401 r538  
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    7978<a name="l00015"></a>00015 <span class="preprocessor">#include "../base/bdmbase.h"</span> 
    8079<a name="l00016"></a>00016  
    81 <a name="l00017"></a>00017 <span class="keyword">namespace </span>bdm{ 
     80<a name="l00017"></a>00017 <span class="keyword">namespace </span>bdm { 
    8281<a name="l00018"></a>00018  
    83 <a name="l00020"></a><a class="code" href="classbdm_1_1constfn.html">00020</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1constfn.html" title="class representing function , here rv is empty">constfn</a> : <span class="keyword">public</span> <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a> 
    84 <a name="l00021"></a>00021 { 
    85 <a name="l00023"></a>00023                 vec val; 
    86 <a name="l00024"></a>00024  
    87 <a name="l00025"></a>00025         <span class="keyword">public</span>: 
    88 <a name="l00026"></a>00026                 <span class="comment">//vec eval() {return val;};</span> 
    89 <a name="l00028"></a><a class="code" href="classbdm_1_1constfn.html#33c2631ddcad9e81ef4b743d83eed4d4">00028</a> <span class="comment"></span>                vec <a class="code" href="classbdm_1_1constfn.html#33c2631ddcad9e81ef4b743d83eed4d4" title="inherited">eval</a> ( <span class="keyword">const</span> vec &amp;cond ) {<span class="keywordflow">return</span> val;}; 
    90 <a name="l00030"></a><a class="code" href="classbdm_1_1constfn.html#7df0693d3ef4f1d2a52a5a3c3fce44af">00030</a>                 <a class="code" href="classbdm_1_1constfn.html#7df0693d3ef4f1d2a52a5a3c3fce44af" title="Default constructor.">constfn</a> ( <span class="keyword">const</span> vec &amp;val0 ) :<a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a>(), val ( val0 ) {<a class="code" href="classbdm_1_1fnc.html#52156cb4a52a62d51fc7455985797a62" title="Length of the output vector.">dimy</a>=val.length();}; 
    91 <a name="l00031"></a>00031 }; 
    92 <a name="l00032"></a>00032  
    93 <a name="l00034"></a><a class="code" href="classbdm_1_1linfn.html">00034</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1linfn.html" title="Class representing function .">linfn</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a> 
    94 <a name="l00035"></a>00035 { 
    95 <a name="l00037"></a>00037                 <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> rv; 
    96 <a name="l00039"></a>00039                 mat A; 
    97 <a name="l00041"></a>00041                 vec B; 
    98 <a name="l00042"></a>00042         <span class="keyword">public</span> : 
    99 <a name="l00043"></a><a class="code" href="classbdm_1_1linfn.html#b8063094a2aa210dcf7ae73e2b85e09c">00043</a>                 vec <a class="code" href="classbdm_1_1linfn.html#b8063094a2aa210dcf7ae73e2b85e09c" title="function evaluates numerical value of  at  cond ">eval</a> (<span class="keyword">const</span> vec &amp;cond ) {it_assert_debug ( cond.length() ==A.cols(), <span class="stringliteral">"linfn::eval Wrong cond."</span> );<span class="keywordflow">return</span> A*cond+B;}; 
    100 <a name="l00044"></a>00044  
    101 <a name="l00045"></a>00045 <span class="comment">//              linfn evalsome ( ivec &amp;rvind );</span> 
    102 <a name="l00047"></a><a class="code" href="classbdm_1_1linfn.html#b39c494c12863c031eb2acf86c0bc429">00047</a> <span class="comment"></span>                <a class="code" href="classbdm_1_1linfn.html#b39c494c12863c031eb2acf86c0bc429" title="default constructor">linfn</a> ( ) : <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a>(), A ( ),B () { }; 
    103 <a name="l00049"></a><a class="code" href="classbdm_1_1linfn.html#7e0e714b814532fc3e38daede24c5e68">00049</a>                 <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1linfn.html#7e0e714b814532fc3e38daede24c5e68" title="Set values of A and B.">set_parameters</a> ( <span class="keyword">const</span> mat &amp;A0 , <span class="keyword">const</span> vec &amp;B0 ) {A=A0; B=B0; <a class="code" href="classbdm_1_1fnc.html#52156cb4a52a62d51fc7455985797a62" title="Length of the output vector.">dimy</a>=A.rows();}; 
    104 <a name="l00050"></a>00050 }; 
    105 <a name="l00051"></a>00051  
    106 <a name="l00052"></a>00052  
    107 <a name="l00062"></a><a class="code" href="classbdm_1_1diffbifn.html">00062</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1diffbifn.html" title="Class representing a differentiable function of two variables .">diffbifn</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a> 
    108 <a name="l00063"></a>00063 { 
    109 <a name="l00064"></a>00064         <span class="keyword">protected</span>: 
    110 <a name="l00066"></a><a class="code" href="classbdm_1_1diffbifn.html#5f56547d8e9378b669d3cc19d7831cbb">00066</a>                 <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classbdm_1_1diffbifn.html#5f56547d8e9378b669d3cc19d7831cbb" title="Indentifier of the first rv.">rvx</a>; 
    111 <a name="l00068"></a><a class="code" href="classbdm_1_1diffbifn.html#a8e3e861d5ec2a7ae9524e6338e58320">00068</a>                 <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classbdm_1_1diffbifn.html#a8e3e861d5ec2a7ae9524e6338e58320" title="Indentifier of the second rv.">rvu</a>; 
    112 <a name="l00070"></a><a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e">00070</a>                 <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>; 
    113 <a name="l00072"></a><a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0">00072</a>                 <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a>; 
    114 <a name="l00073"></a>00073         <span class="keyword">public</span>: 
    115 <a name="l00075"></a><a class="code" href="classbdm_1_1diffbifn.html#188f31066bd72e1bf0ddacd1eb0e6af3">00075</a>                 vec <a class="code" href="classbdm_1_1diffbifn.html#188f31066bd72e1bf0ddacd1eb0e6af3" title="Evaluates  (VS: Do we really need common eval? ).">eval</a> ( <span class="keyword">const</span> vec &amp;cond ) 
    116 <a name="l00076"></a>00076                 { 
    117 <a name="l00077"></a>00077                         it_assert_debug ( cond.length() == ( <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>+<a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a> ), <span class="stringliteral">"linfn::eval Wrong cond."</span> ); 
    118 <a name="l00078"></a>00078                         <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1diffbifn.html#188f31066bd72e1bf0ddacd1eb0e6af3" title="Evaluates  (VS: Do we really need common eval? ).">eval</a> ( cond ( 0,<a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>-1 ),cond ( <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>,<a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>+<a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a>-1 ) );<span class="comment">//-1 = end (in matlab)</span> 
    119 <a name="l00079"></a>00079                 }; 
    120 <a name="l00080"></a>00080  
    121 <a name="l00082"></a><a class="code" href="classbdm_1_1diffbifn.html#b5462c05b58cd38367ff946836bb82d3">00082</a>                 <span class="keyword">virtual</span> vec <a class="code" href="classbdm_1_1diffbifn.html#b5462c05b58cd38367ff946836bb82d3" title="Evaluates .">eval</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0 ) {<span class="keywordflow">return</span> zeros ( <a class="code" href="classbdm_1_1fnc.html#52156cb4a52a62d51fc7455985797a62" title="Length of the output vector.">dimy</a> );}; 
    122 <a name="l00084"></a><a class="code" href="classbdm_1_1diffbifn.html#651184f808a35f236dbfea21aca1b6ac">00084</a>                 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1diffbifn.html#651184f808a35f236dbfea21aca1b6ac" title="Evaluates  and writes result into A .">dfdx_cond</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0, mat &amp;A , <span class="keywordtype">bool</span> full=<span class="keyword">true</span> ) {}; 
    123 <a name="l00086"></a><a class="code" href="classbdm_1_1diffbifn.html#6ea1dc7a482601b29c5ba36a52d20d07">00086</a>                 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1diffbifn.html#6ea1dc7a482601b29c5ba36a52d20d07" title="Evaluates  and writes result into A .">dfdu_cond</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0, mat &amp;A, <span class="keywordtype">bool</span> full=<span class="keyword">true</span> ) {}; 
    124 <a name="l00088"></a><a class="code" href="classbdm_1_1diffbifn.html#92ff29d748e445b440453a38d0b09681">00088</a>                 <a class="code" href="classbdm_1_1diffbifn.html#92ff29d748e445b440453a38d0b09681" title="Default constructor (dimy is not set!).">diffbifn</a> () : <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a>() {}; 
    125 <a name="l00090"></a><a class="code" href="classbdm_1_1diffbifn.html#1b3c8f5949f13d86d2661e191d4b369b">00090</a>                 <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1diffbifn.html#1b3c8f5949f13d86d2661e191d4b369b" title="access function">_dimx</a>()<span class="keyword"> const</span>{<span class="keywordflow">return</span> <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>;} 
    126 <a name="l00092"></a><a class="code" href="classbdm_1_1diffbifn.html#031458f38c97cdb3aecde16f6a06dced">00092</a>                 <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1diffbifn.html#031458f38c97cdb3aecde16f6a06dced" title="access function">_dimu</a>()<span class="keyword"> const</span>{<span class="keywordflow">return</span> <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a>;} 
    127 <a name="l00093"></a>00093 }; 
    128 <a name="l00094"></a>00094  
    129 <a name="l00096"></a>00096 <span class="comment">//TODO can be generalized into multilinear form!</span> 
    130 <a name="l00097"></a><a class="code" href="classbdm_1_1bilinfn.html">00097</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1bilinfn.html" title="Class representing function .">bilinfn</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1diffbifn.html" title="Class representing a differentiable function of two variables .">diffbifn</a> 
    131 <a name="l00098"></a>00098 { 
    132 <a name="l00099"></a>00099                 mat A; 
    133 <a name="l00100"></a>00100                 mat B; 
    134 <a name="l00101"></a>00101         <span class="keyword">public</span> : 
    135 <a name="l00104"></a>00104                  
    136 <a name="l00105"></a>00105                 <a class="code" href="classbdm_1_1bilinfn.html" title="Class representing function .">bilinfn</a> () : <a class="code" href="classbdm_1_1diffbifn.html#92ff29d748e445b440453a38d0b09681" title="Default constructor (dimy is not set!).">diffbifn</a> () ,A() ,B()      {}; 
    137 <a name="l00106"></a>00106                 <a class="code" href="classbdm_1_1bilinfn.html" title="Class representing function .">bilinfn</a> (<span class="keyword">const</span> mat A0, <span class="keyword">const</span> mat B0) {<a class="code" href="classbdm_1_1bilinfn.html#5a508fbb5fc013904d9b62b2231442de" title="Alternative constructor.">set_parameters</a>(A0,B0);}; 
    138 <a name="l00108"></a><a class="code" href="classbdm_1_1bilinfn.html#5a508fbb5fc013904d9b62b2231442de">00108</a>                 <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1bilinfn.html#5a508fbb5fc013904d9b62b2231442de" title="Alternative constructor.">set_parameters</a>(<span class="keyword">const</span> mat A0, <span class="keyword">const</span> mat B0){ 
    139 <a name="l00109"></a>00109                         it_assert_debug(A0.rows()==B0.rows(),<span class="stringliteral">""</span>); 
    140 <a name="l00110"></a>00110                         A=A0;B=B0; 
    141 <a name="l00111"></a>00111                         <a class="code" href="classbdm_1_1fnc.html#52156cb4a52a62d51fc7455985797a62" title="Length of the output vector.">dimy</a>=A.rows(); 
    142 <a name="l00112"></a>00112                         <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>=A.cols(); 
    143 <a name="l00113"></a>00113                         <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a>=B.cols(); 
    144 <a name="l00114"></a>00114                 } 
    145 <a name="l00116"></a>00116                  
    146 <a name="l00119"></a><a class="code" href="classbdm_1_1bilinfn.html#846c21e8e8d41555eb7c075f5ff86ffd">00119</a>                 <span class="keyword">inline</span> vec <a class="code" href="classbdm_1_1bilinfn.html#846c21e8e8d41555eb7c075f5ff86ffd" title="Evaluates .">eval</a> ( <span class="keyword">const</span>  vec &amp;x0, <span class="keyword">const</span> vec &amp;u0 ) 
    147 <a name="l00120"></a>00120                 { 
    148 <a name="l00121"></a>00121                         it_assert_debug ( x0.length() ==<a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>, <span class="stringliteral">"linfn::eval Wrong xcond."</span> ); 
    149 <a name="l00122"></a>00122                         it_assert_debug ( u0.length() ==<a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a>, <span class="stringliteral">"linfn::eval Wrong ucond."</span> ); 
    150 <a name="l00123"></a>00123                         <span class="keywordflow">return</span> A*x0+B*u0; 
    151 <a name="l00124"></a>00124                 } 
    152 <a name="l00125"></a>00125  
    153 <a name="l00126"></a><a class="code" href="classbdm_1_1bilinfn.html#33066f1054dd259df2ec5fafae4b46e6">00126</a>                 <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1bilinfn.html#33066f1054dd259df2ec5fafae4b46e6" title="Evaluates  and writes result into A .">dfdx_cond</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0, mat &amp;F, <span class="keywordtype">bool</span> full ) 
    154 <a name="l00127"></a>00127                 { 
    155 <a name="l00128"></a>00128                         it_assert_debug ( ( F.cols() ==A.cols() ) &amp; ( F.rows() ==A.rows() ),<span class="stringliteral">"Allocated F is not compatible."</span> ); 
    156 <a name="l00129"></a>00129                         <span class="keywordflow">if</span> ( full ) F=A;        <span class="comment">//else : nothing has changed no need to regenerate</span> 
    157 <a name="l00130"></a>00130                 } 
    158 <a name="l00132"></a><a class="code" href="classbdm_1_1bilinfn.html#9cfe2f1c115ba7c3c75849a10a4f2c08">00132</a>                 <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1bilinfn.html#9cfe2f1c115ba7c3c75849a10a4f2c08" title="Evaluates  and writes result into A .">dfdu_cond</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0, mat &amp;F,  <span class="keywordtype">bool</span> full=<span class="keyword">true</span> ) 
    159 <a name="l00133"></a>00133                 { 
    160 <a name="l00134"></a>00134                         it_assert_debug ( ( F.cols() ==B.cols() ) &amp; ( F.rows() ==B.rows() ),<span class="stringliteral">"Allocated F is not compatible."</span> ); 
    161 <a name="l00135"></a>00135                         <span class="keywordflow">if</span> ( full ) F=B;        <span class="comment">//else : nothing has changed no need to regenerate</span> 
    162 <a name="l00136"></a>00136                 } 
    163 <a name="l00138"></a>00138 }; 
     82<a name="l00020"></a><a class="code" href="classbdm_1_1constfn.html">00020</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1constfn.html" title="class representing function , here rv is empty">constfn</a> : <span class="keyword">public</span> <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a> { 
     83<a name="l00022"></a>00022         vec val; 
     84<a name="l00023"></a>00023  
     85<a name="l00024"></a>00024 <span class="keyword">public</span>: 
     86<a name="l00025"></a>00025         <span class="comment">//vec eval() {return val;};</span> 
     87<a name="l00027"></a><a class="code" href="classbdm_1_1constfn.html#33c2631ddcad9e81ef4b743d83eed4d4">00027</a> <span class="comment"></span>        vec <a class="code" href="classbdm_1_1constfn.html#33c2631ddcad9e81ef4b743d83eed4d4" title="inherited">eval</a> ( <span class="keyword">const</span> vec &amp;cond ) { 
     88<a name="l00028"></a>00028                 <span class="keywordflow">return</span> val; 
     89<a name="l00029"></a>00029         }; 
     90<a name="l00031"></a><a class="code" href="classbdm_1_1constfn.html#7df0693d3ef4f1d2a52a5a3c3fce44af">00031</a>         <a class="code" href="classbdm_1_1constfn.html#7df0693d3ef4f1d2a52a5a3c3fce44af" title="Default constructor.">constfn</a> ( <span class="keyword">const</span> vec &amp;val0 ) : <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a>(), val ( val0 ) { 
     91<a name="l00032"></a>00032                 <a class="code" href="classbdm_1_1fnc.html#52156cb4a52a62d51fc7455985797a62" title="Length of the output vector.">dimy</a> = val.length(); 
     92<a name="l00033"></a>00033         }; 
     93<a name="l00034"></a>00034 }; 
     94<a name="l00035"></a>00035  
     95<a name="l00037"></a><a class="code" href="classbdm_1_1linfn.html">00037</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1linfn.html" title="Class representing function .">linfn</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a> { 
     96<a name="l00039"></a>00039         <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> rv; 
     97<a name="l00041"></a>00041         mat A; 
     98<a name="l00043"></a>00043         vec B; 
     99<a name="l00044"></a>00044 <span class="keyword">public</span> : 
     100<a name="l00045"></a><a class="code" href="classbdm_1_1linfn.html#b8063094a2aa210dcf7ae73e2b85e09c">00045</a>         vec <a class="code" href="classbdm_1_1linfn.html#b8063094a2aa210dcf7ae73e2b85e09c" title="function evaluates numerical value of  at  cond ">eval</a> ( <span class="keyword">const</span> vec &amp;cond ) { 
     101<a name="l00046"></a>00046                 it_assert_debug ( cond.length() == A.cols(), <span class="stringliteral">"linfn::eval Wrong cond."</span> ); 
     102<a name="l00047"></a>00047                 <span class="keywordflow">return</span> A*cond + B; 
     103<a name="l00048"></a>00048         }; 
     104<a name="l00049"></a>00049  
     105<a name="l00050"></a>00050 <span class="comment">//              linfn evalsome ( ivec &amp;rvind );</span> 
     106<a name="l00052"></a><a class="code" href="classbdm_1_1linfn.html#b39c494c12863c031eb2acf86c0bc429">00052</a> <span class="comment"></span>        <a class="code" href="classbdm_1_1linfn.html#b39c494c12863c031eb2acf86c0bc429" title="default constructor">linfn</a> ( ) : <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a>(), A ( ), B () { }; 
     107<a name="l00054"></a><a class="code" href="classbdm_1_1linfn.html#7e0e714b814532fc3e38daede24c5e68">00054</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1linfn.html#7e0e714b814532fc3e38daede24c5e68" title="Set values of A and B.">set_parameters</a> ( <span class="keyword">const</span> mat &amp;A0 , <span class="keyword">const</span> vec &amp;B0 ) { 
     108<a name="l00055"></a>00055                 A = A0; 
     109<a name="l00056"></a>00056                 B = B0; 
     110<a name="l00057"></a>00057                 <a class="code" href="classbdm_1_1fnc.html#52156cb4a52a62d51fc7455985797a62" title="Length of the output vector.">dimy</a> = A.rows(); 
     111<a name="l00058"></a>00058         }; 
     112<a name="l00059"></a>00059 }; 
     113<a name="l00060"></a>00060  
     114<a name="l00061"></a>00061  
     115<a name="l00071"></a><a class="code" href="classbdm_1_1diffbifn.html">00071</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1diffbifn.html" title="Class representing a differentiable function of two variables .">diffbifn</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a> { 
     116<a name="l00072"></a>00072 <span class="keyword">protected</span>: 
     117<a name="l00074"></a><a class="code" href="classbdm_1_1diffbifn.html#5f56547d8e9378b669d3cc19d7831cbb">00074</a>         <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classbdm_1_1diffbifn.html#5f56547d8e9378b669d3cc19d7831cbb" title="Indentifier of the first rv.">rvx</a>; 
     118<a name="l00076"></a><a class="code" href="classbdm_1_1diffbifn.html#a8e3e861d5ec2a7ae9524e6338e58320">00076</a>         <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classbdm_1_1diffbifn.html#a8e3e861d5ec2a7ae9524e6338e58320" title="Indentifier of the second rv.">rvu</a>; 
     119<a name="l00078"></a><a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e">00078</a>         <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>; 
     120<a name="l00080"></a><a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0">00080</a>         <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a>; 
     121<a name="l00081"></a>00081 <span class="keyword">public</span>: 
     122<a name="l00083"></a><a class="code" href="classbdm_1_1diffbifn.html#188f31066bd72e1bf0ddacd1eb0e6af3">00083</a>         vec <a class="code" href="classbdm_1_1diffbifn.html#188f31066bd72e1bf0ddacd1eb0e6af3" title="Evaluates  (VS: Do we really need common eval? ).">eval</a> ( <span class="keyword">const</span> vec &amp;cond ) { 
     123<a name="l00084"></a>00084                 it_assert_debug ( cond.length() == ( <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a> + <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a> ), <span class="stringliteral">"linfn::eval Wrong cond."</span> ); 
     124<a name="l00085"></a>00085                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1diffbifn.html#188f31066bd72e1bf0ddacd1eb0e6af3" title="Evaluates  (VS: Do we really need common eval? ).">eval</a> ( cond ( 0, <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a> - 1 ), cond ( <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>, <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a> + <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a> - 1 ) );<span class="comment">//-1 = end (in matlab)</span> 
     125<a name="l00086"></a>00086         }; 
     126<a name="l00087"></a>00087  
     127<a name="l00089"></a><a class="code" href="classbdm_1_1diffbifn.html#b5462c05b58cd38367ff946836bb82d3">00089</a>         <span class="keyword">virtual</span> vec <a class="code" href="classbdm_1_1diffbifn.html#b5462c05b58cd38367ff946836bb82d3" title="Evaluates .">eval</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0 ) { 
     128<a name="l00090"></a>00090                 <span class="keywordflow">return</span> zeros ( <a class="code" href="classbdm_1_1fnc.html#52156cb4a52a62d51fc7455985797a62" title="Length of the output vector.">dimy</a> ); 
     129<a name="l00091"></a>00091         }; 
     130<a name="l00093"></a><a class="code" href="classbdm_1_1diffbifn.html#651184f808a35f236dbfea21aca1b6ac">00093</a>         <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1diffbifn.html#651184f808a35f236dbfea21aca1b6ac" title="Evaluates  and writes result into A .">dfdx_cond</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0, mat &amp;A , <span class="keywordtype">bool</span> full = <span class="keyword">true</span> ) {}; 
     131<a name="l00095"></a><a class="code" href="classbdm_1_1diffbifn.html#6ea1dc7a482601b29c5ba36a52d20d07">00095</a>         <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1diffbifn.html#6ea1dc7a482601b29c5ba36a52d20d07" title="Evaluates  and writes result into A .">dfdu_cond</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0, mat &amp;A, <span class="keywordtype">bool</span> full = <span class="keyword">true</span> ) {}; 
     132<a name="l00097"></a><a class="code" href="classbdm_1_1diffbifn.html#92ff29d748e445b440453a38d0b09681">00097</a>         <a class="code" href="classbdm_1_1diffbifn.html#92ff29d748e445b440453a38d0b09681" title="Default constructor (dimy is not set!).">diffbifn</a> () : <a class="code" href="classbdm_1_1fnc.html" title="Class representing function  of variable  represented by rv.">fnc</a>() {}; 
     133<a name="l00099"></a><a class="code" href="classbdm_1_1diffbifn.html#1b3c8f5949f13d86d2661e191d4b369b">00099</a>         <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1diffbifn.html#1b3c8f5949f13d86d2661e191d4b369b" title="access function">_dimx</a>()<span class="keyword"> const </span>{ 
     134<a name="l00100"></a>00100                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>; 
     135<a name="l00101"></a>00101         } 
     136<a name="l00103"></a><a class="code" href="classbdm_1_1diffbifn.html#031458f38c97cdb3aecde16f6a06dced">00103</a>         <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1diffbifn.html#031458f38c97cdb3aecde16f6a06dced" title="access function">_dimu</a>()<span class="keyword"> const </span>{ 
     137<a name="l00104"></a>00104                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a>; 
     138<a name="l00105"></a>00105         } 
     139<a name="l00106"></a>00106 }; 
     140<a name="l00107"></a>00107  
     141<a name="l00109"></a>00109 <span class="comment">//TODO can be generalized into multilinear form!</span> 
     142<a name="l00110"></a><a class="code" href="classbdm_1_1bilinfn.html">00110</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1bilinfn.html" title="Class representing function .">bilinfn</a>: <span class="keyword">public</span> <a class="code" href="classbdm_1_1diffbifn.html" title="Class representing a differentiable function of two variables .">diffbifn</a> { 
     143<a name="l00111"></a>00111         mat A; 
     144<a name="l00112"></a>00112         mat B; 
     145<a name="l00113"></a>00113 <span class="keyword">public</span> : 
     146<a name="l00116"></a>00116  
     147<a name="l00117"></a>00117         <a class="code" href="classbdm_1_1bilinfn.html" title="Class representing function .">bilinfn</a> () : <a class="code" href="classbdm_1_1diffbifn.html#92ff29d748e445b440453a38d0b09681" title="Default constructor (dimy is not set!).">diffbifn</a> () , A() , B()    {}; 
     148<a name="l00118"></a>00118         <a class="code" href="classbdm_1_1bilinfn.html" title="Class representing function .">bilinfn</a> ( <span class="keyword">const</span> mat A0, <span class="keyword">const</span> mat B0 ) { 
     149<a name="l00119"></a>00119                 <a class="code" href="classbdm_1_1bilinfn.html#5a508fbb5fc013904d9b62b2231442de" title="Alternative constructor.">set_parameters</a> ( A0, B0 ); 
     150<a name="l00120"></a>00120         }; 
     151<a name="l00122"></a><a class="code" href="classbdm_1_1bilinfn.html#5a508fbb5fc013904d9b62b2231442de">00122</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1bilinfn.html#5a508fbb5fc013904d9b62b2231442de" title="Alternative constructor.">set_parameters</a> ( <span class="keyword">const</span> mat A0, <span class="keyword">const</span> mat B0 ) { 
     152<a name="l00123"></a>00123                 it_assert_debug ( A0.rows() == B0.rows(), <span class="stringliteral">""</span> ); 
     153<a name="l00124"></a>00124                 A = A0; 
     154<a name="l00125"></a>00125                 B = B0; 
     155<a name="l00126"></a>00126                 <a class="code" href="classbdm_1_1fnc.html#52156cb4a52a62d51fc7455985797a62" title="Length of the output vector.">dimy</a> = A.rows(); 
     156<a name="l00127"></a>00127                 <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a> = A.cols(); 
     157<a name="l00128"></a>00128                 <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a> = B.cols(); 
     158<a name="l00129"></a>00129         } 
     159<a name="l00131"></a>00131  
     160<a name="l00134"></a><a class="code" href="classbdm_1_1bilinfn.html#846c21e8e8d41555eb7c075f5ff86ffd">00134</a>         <span class="keyword">inline</span> vec <a class="code" href="classbdm_1_1bilinfn.html#846c21e8e8d41555eb7c075f5ff86ffd" title="Evaluates .">eval</a> ( <span class="keyword">const</span>  vec &amp;x0, <span class="keyword">const</span> vec &amp;u0 ) { 
     161<a name="l00135"></a>00135                 it_assert_debug ( x0.length() == <a class="code" href="classbdm_1_1diffbifn.html#a193aa2c4a500139c0c4b669691e588e" title="cache for rvx.count()">dimx</a>, <span class="stringliteral">"linfn::eval Wrong xcond."</span> ); 
     162<a name="l00136"></a>00136                 it_assert_debug ( u0.length() == <a class="code" href="classbdm_1_1diffbifn.html#30c45617eec89adeb4ebaa763d093fb0" title="cache for rvu.count()">dimu</a>, <span class="stringliteral">"linfn::eval Wrong ucond."</span> ); 
     163<a name="l00137"></a>00137                 <span class="keywordflow">return</span> A*x0 + B*u0; 
     164<a name="l00138"></a>00138         } 
    164165<a name="l00139"></a>00139  
    165 <a name="l00140"></a>00140 } <span class="comment">//namespace</span> 
    166 <a name="l00141"></a>00141 <span class="preprocessor">#endif // FN_H</span> 
     166<a name="l00140"></a><a class="code" href="classbdm_1_1bilinfn.html#33066f1054dd259df2ec5fafae4b46e6">00140</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1bilinfn.html#33066f1054dd259df2ec5fafae4b46e6" title="Evaluates  and writes result into A .">dfdx_cond</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0, mat &amp;F, <span class="keywordtype">bool</span> full ) { 
     167<a name="l00141"></a>00141                 it_assert_debug ( ( F.cols() == A.cols() ) &amp; ( F.rows() == A.rows() ), <span class="stringliteral">"Allocated F is not compatible."</span> ); 
     168<a name="l00142"></a>00142                 <span class="keywordflow">if</span> ( full ) F = A;      <span class="comment">//else : nothing has changed no need to regenerate</span> 
     169<a name="l00143"></a>00143         } 
     170<a name="l00145"></a><a class="code" href="classbdm_1_1bilinfn.html#9cfe2f1c115ba7c3c75849a10a4f2c08">00145</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1bilinfn.html#9cfe2f1c115ba7c3c75849a10a4f2c08" title="Evaluates  and writes result into A .">dfdu_cond</a> ( <span class="keyword">const</span> vec &amp;x0, <span class="keyword">const</span> vec &amp;u0, mat &amp;F,  <span class="keywordtype">bool</span> full = <span class="keyword">true</span> ) { 
     171<a name="l00146"></a>00146                 it_assert_debug ( ( F.cols() == B.cols() ) &amp; ( F.rows() == B.rows() ), <span class="stringliteral">"Allocated F is not compatible."</span> ); 
     172<a name="l00147"></a>00147                 <span class="keywordflow">if</span> ( full ) F = B;      <span class="comment">//else : nothing has changed no need to regenerate</span> 
     173<a name="l00148"></a>00148         } 
     174<a name="l00150"></a>00150 }; 
     175<a name="l00151"></a>00151  
     176<a name="l00152"></a>00152 } <span class="comment">//namespace</span> 
     177<a name="l00153"></a>00153 <span class="preprocessor">#endif // FN_H</span> 
    167178</pre></div></div> 
    168 <hr size="1"><address style="text-align: right;"><small>Generated on Wed Jul 1 13:05:55 2009 for mixpp by&nbsp; 
     179<hr size="1"><address style="text-align: right;"><small>Generated on Sun Aug 16 17:58:18 2009 for mixpp by&nbsp; 
    169180<a href="http://www.doxygen.org/index.html"> 
    170181<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>