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15<h1>work/mixpp/libDC.h</h1><a href="libDC_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
16<a name="l00013"></a>00013 <span class="preprocessor">#ifndef DC_H</span>
17<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define DC_H</span>
18<a name="l00015"></a>00015 <span class="preprocessor"></span>
19<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;itpp/itbase.h&gt;</span>
20<a name="l00017"></a>00017
21<a name="l00018"></a>00018 <span class="keyword">using namespace </span>itpp;
22<a name="l00019"></a>00019
23<a name="l00024"></a><a class="code" href="classsqmat.html">00024</a> <span class="keyword">class </span><a class="code" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a> {
24<a name="l00025"></a>00025 <span class="keyword">public</span>:
25<a name="l00033"></a>00033         <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#b223484796661f2dadb5607a86ce0581">opupdt</a>( <span class="keyword">const</span> vec &amp;v, <span class="keywordtype">double</span> w ) =0;
26<a name="l00034"></a>00034
27<a name="l00038"></a>00038         <span class="keyword">virtual</span> mat <a class="code" href="classsqmat.html#9a5b6fddfeb42339e1dc9b978a2590fc" title="Conversion to full matrix.">to_mat</a>() =0;
28<a name="l00039"></a>00039
29<a name="l00044"></a>00044         <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#faa3bc90be142adde9cf74f573c70157" title="Inplace symmetric multiplication by a SQUARE matrix $C$, i.e. $V = C*V*C&amp;#39;$.">mult_sym</a>( <span class="keyword">const</span> mat &amp;C, <span class="keywordtype">bool</span> trans=<span class="keyword">true</span> ) =0;
30<a name="l00045"></a>00045
31<a name="l00046"></a>00046         
32<a name="l00051"></a>00051         <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classsqmat.html#5c852819589f74cdaefbd648c0ce8547" title="Logarithm of a determinant.">logdet</a>() =0;
33<a name="l00052"></a>00052
34<a name="l00057"></a>00057         <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classsqmat.html#44e079468bc8bfccf634dc85b32ba6be" title="Evaluates quadratic form $x= v&amp;#39;*V*v$;.">qform</a>(vec &amp;v) =0;
35<a name="l00058"></a>00058
36<a name="l00059"></a>00059 <span class="comment">//      //! easy version of the </span>
37<a name="l00060"></a>00060 <span class="comment">//      sqmat inv();</span>
38<a name="l00061"></a>00061
39<a name="l00062"></a>00062         <span class="keyword">friend</span> std::ostream &amp;operator&lt;&lt; ( std::ostream &amp;os, <a class="code" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a> &amp;sq );
40<a name="l00063"></a>00063
41<a name="l00065"></a>00065         <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#6fca246f9eabbdeb8cac03030e826b5e" title="Clearing matrix so that it corresponds to zeros.">clear</a>() =0;
42<a name="l00066"></a>00066         
43<a name="l00068"></a>00068         <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#743d3799d9e73403230c54e14ecf09ed" title="Reimplementing common functions of mat: cols().">cols</a>() =0;
44<a name="l00069"></a>00069
45<a name="l00071"></a>00071         <span class="keyword">virtual</span> <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#f59664a4be09450f8c6ce3f5e5ab2dc7" title="Reimplementing common functions of mat: cols().">rows</a>() =0;
46<a name="l00072"></a>00072
47<a name="l00073"></a>00073 };
48<a name="l00074"></a>00074
49<a name="l00075"></a>00075
50<a name="l00080"></a><a class="code" href="classfsqmat.html">00080</a> <span class="keyword">class </span><a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a>: <a class="code" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a> {
51<a name="l00081"></a>00081         <span class="keywordtype">void</span> opupdt( <span class="keyword">const</span> vec &amp;v, <span class="keywordtype">double</span> w );
52<a name="l00082"></a>00082         mat to_mat();
53<a name="l00083"></a>00083         <span class="keywordtype">void</span> mult_sym( <span class="keyword">const</span> mat &amp;C, <span class="keywordtype">bool</span> trans=<span class="keyword">false</span> );
54<a name="l00084"></a>00084    <span class="keywordtype">void</span> mult_sym( <span class="keyword">const</span> mat &amp;C, <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a> &amp;U, <span class="keywordtype">bool</span> trans=<span class="keyword">false</span> );
55<a name="l00085"></a>00085         <span class="keywordtype">void</span> inv(<a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a> &amp;Inv);
56<a name="l00086"></a>00086         <span class="keywordtype">void</span> clear();
57<a name="l00087"></a>00087         
58<a name="l00089"></a>00089         <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a>(<span class="keyword">const</span> mat &amp;M);
59<a name="l00090"></a>00090         
60<a name="l00096"></a>00096         <span class="keyword">virtual</span> <span class="keywordtype">void</span> inv(<a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a>* Inv);
61<a name="l00097"></a>00097 };
62<a name="l00098"></a>00098
63<a name="l00099"></a>00099 <span class="keyword">class </span>ldmat: <a class="code" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a> {
64<a name="l00100"></a>00100 <span class="keyword">public</span>:
65<a name="l00101"></a>00101
66<a name="l00103"></a>00103         ldmat( <span class="keyword">const</span> mat &amp;L, <span class="keyword">const</span> vec &amp;D );
67<a name="l00105"></a>00105         ldmat( mat V );
68<a name="l00106"></a>00106         ldmat ();
69<a name="l00107"></a>00107
70<a name="l00108"></a>00108         <span class="comment">// Reimplementation of compulsory operatios</span>
71<a name="l00109"></a>00109
72<a name="l00110"></a>00110         <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#b223484796661f2dadb5607a86ce0581">opupdt</a>( <span class="keyword">const</span> vec &amp;v, <span class="keywordtype">double</span> w );
73<a name="l00111"></a>00111         mat <a class="code" href="classsqmat.html#9a5b6fddfeb42339e1dc9b978a2590fc" title="Conversion to full matrix.">to_mat</a>();
74<a name="l00112"></a>00112    <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#faa3bc90be142adde9cf74f573c70157" title="Inplace symmetric multiplication by a SQUARE matrix $C$, i.e. $V = C*V*C&amp;#39;$.">mult_sym</a>( <span class="keyword">const</span> mat &amp;C, <span class="keywordtype">bool</span> trans=<span class="keyword">false</span> );
75<a name="l00113"></a>00113         <span class="keywordtype">void</span> <span class="keyword">add</span> ( <span class="keyword">const</span> ldmat &amp;ld2, <span class="keywordtype">double</span> w=1.0 );
76<a name="l00114"></a>00114         <span class="keywordtype">double</span> <a class="code" href="classsqmat.html#5c852819589f74cdaefbd648c0ce8547" title="Logarithm of a determinant.">logdet</a>();
77<a name="l00115"></a>00115         <span class="keywordtype">double</span> <a class="code" href="classsqmat.html#44e079468bc8bfccf634dc85b32ba6be" title="Evaluates quadratic form $x= v&amp;#39;*V*v$;.">qform</a>(vec &amp;v);
78<a name="l00116"></a>00116 <span class="comment">//      sqmat&amp; operator -= ( const sqmat &amp; ld2 );</span>
79<a name="l00117"></a>00117         <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#6fca246f9eabbdeb8cac03030e826b5e" title="Clearing matrix so that it corresponds to zeros.">clear</a>();
80<a name="l00118"></a>00118         <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#743d3799d9e73403230c54e14ecf09ed" title="Reimplementing common functions of mat: cols().">cols</a>();
81<a name="l00119"></a>00119         <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#f59664a4be09450f8c6ce3f5e5ab2dc7" title="Reimplementing common functions of mat: cols().">rows</a>();
82<a name="l00120"></a>00120
83<a name="l00126"></a>00126         <span class="keyword">virtual</span> <span class="keywordtype">void</span> inv(ldmat &amp;Inv);
84<a name="l00127"></a>00127         
85<a name="l00133"></a>00133    <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#faa3bc90be142adde9cf74f573c70157" title="Inplace symmetric multiplication by a SQUARE matrix $C$, i.e. $V = C*V*C&amp;#39;$.">mult_sym</a>( <span class="keyword">const</span> mat &amp;C, ldmat &amp;U, <span class="keywordtype">bool</span> trans=<span class="keyword">false</span> );
86<a name="l00134"></a>00134
87<a name="l00135"></a>00135         ldmat&amp; operator += (<span class="keyword">const</span> ldmat &amp;ldA);
88<a name="l00136"></a>00136         ldmat&amp; operator -= (<span class="keyword">const</span> ldmat &amp;ldA);
89<a name="l00137"></a>00137         ldmat&amp; operator *= (<span class="keywordtype">double</span> x);
90<a name="l00138"></a>00138         
91<a name="l00139"></a>00139 <span class="keyword">protected</span>:
92<a name="l00140"></a>00140         vec D;
93<a name="l00141"></a>00141         mat L;
94<a name="l00142"></a>00142
95<a name="l00143"></a>00143 };
96<a name="l00144"></a>00144
97<a name="l00146"></a>00146
98<a name="l00147"></a>00147 <span class="keyword">inline</span> ldmat&amp; ldmat::operator += (<span class="keyword">const</span> ldmat &amp;ldA)  {this-&gt;<span class="keyword">add</span>(ldA);<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
99<a name="l00148"></a>00148 <span class="keyword">inline</span> ldmat&amp; ldmat::operator -= (<span class="keyword">const</span> ldmat &amp;ldA)  {this-&gt;<span class="keyword">add</span>(ldA,-1.0);<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
100<a name="l00149"></a>00149 <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#743d3799d9e73403230c54e14ecf09ed" title="Reimplementing common functions of mat: cols().">ldmat::cols</a>(){<span class="keywordflow">return</span> L.cols();}
101<a name="l00150"></a>00150 <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#f59664a4be09450f8c6ce3f5e5ab2dc7" title="Reimplementing common functions of mat: cols().">ldmat::rows</a>(){<span class="keywordflow">return</span> L.rows();}
102<a name="l00151"></a>00151
103<a name="l00152"></a>00152 <span class="preprocessor">#endif // DC_H</span>
104</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Wed Jan 23 11:30:10 2008 for mixpp by&nbsp;
105<a href="http://www.doxygen.org/index.html">
106<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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