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16<h1>work/mixpp/bdm/math/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
17<a name="l00013"></a>00013 <span class="preprocessor">#ifndef DC_H</span>
18<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define DC_H</span>
19<a name="l00015"></a>00015 <span class="preprocessor"></span>
20<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;itpp/itbase.h&gt;</span>
21<a name="l00017"></a>00017
22<a name="l00018"></a>00018 <span class="keyword">using namespace </span>itpp;
23<a name="l00019"></a>00019
24<a name="l00021"></a>00021 <span class="keywordtype">void</span> dydr( <span class="keywordtype">double</span> * r, <span class="keywordtype">double</span> *f, <span class="keywordtype">double</span> *Dr, <span class="keywordtype">double</span> *Df, <span class="keywordtype">double</span> *R, <span class="keywordtype">int</span> jl, <span class="keywordtype">int</span> jh, <span class="keywordtype">double</span> *kr, <span class="keywordtype">int</span> m, <span class="keywordtype">int</span> mx );
25<a name="l00022"></a>00022
26<a name="l00024"></a>00024 <span class="comment">//TODO can be done via: dtrtri.f from lapack</span>
27<a name="l00025"></a>00025 mat ltuinv( <span class="keyword">const</span> mat &amp;L );
28<a name="l00026"></a>00026
29<a name="l00031"></a><a class="code" href="classsqmat.html">00031</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>
30<a name="l00032"></a>00032 {
31<a name="l00033"></a>00033         <span class="keyword">public</span>:
32<a name="l00041"></a>00041                 <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;
33<a name="l00042"></a>00042
34<a name="l00046"></a>00046                 <span class="keyword">virtual</span> mat <a class="code" href="classsqmat.html#9a5b6fddfeb42339e1dc9b978a2590fc" title="Conversion to full matrix.">to_mat</a>() =0;
35<a name="l00047"></a>00047
36<a name="l00051"></a>00051                 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#60fbbfa9e483b8187c135f787ee53afa" title="Inplace symmetric multiplication by a SQUARE matrix , i.e. .">mult_sym</a> ( <span class="keyword">const</span> mat &amp;C ) =0;
37<a name="l00052"></a>00052                 
38<a name="l00056"></a>00056                 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classsqmat.html#6909e906da17725b1b80f3cae7cf3325" title="Inplace symmetric multiplication by a SQUARE transpose of matrix , i.e. .">mult_sym_t</a> ( <span class="keyword">const</span> mat &amp;C ) =0;
39<a name="l00057"></a>00057
40<a name="l00058"></a>00058
41<a name="l00063"></a>00063                 <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classsqmat.html#0a772b396750eeeed85d69fa72478b45" title="Logarithm of a determinant.">logdet</a>() <span class="keyword">const</span> =0;
42<a name="l00064"></a>00064
43<a name="l00070"></a>00070                 <span class="keyword">virtual</span> vec <a class="code" href="classsqmat.html#6b79438b5d7544a9c8e110a145355d8f" title="Multiplies square root of  by vector .">sqrt_mult</a> (<span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span> =0;
44<a name="l00071"></a>00071
45<a name="l00076"></a>00076                 <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classsqmat.html#fc026312eb02ba09f85d5aacd6f05ab3" title="Evaluates quadratic form ;.">qform</a> (<span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span> =0;
46<a name="l00077"></a>00077
47<a name="l00082"></a>00082                 <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="classsqmat.html#6230e8e8a9341866aaa0ce008691aac2" title="Evaluates quadratic form ;.">invqform</a> (<span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span> =0;
48<a name="l00083"></a>00083
49<a name="l00084"></a>00084 <span class="comment">//      //! easy version of the</span>
50<a name="l00085"></a>00085 <span class="comment">//      sqmat inv();</span>
51<a name="l00086"></a>00086
52<a name="l00088"></a>00088                 <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;
53<a name="l00089"></a>00089
54<a name="l00091"></a><a class="code" href="classsqmat.html#ecc2e2540f95a04f4449842588170f5b">00091</a>                 <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#ecc2e2540f95a04f4449842588170f5b" title="Reimplementing common functions of mat: cols().">cols</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classsqmat.html#0abed904bdc0882373ba9adba919689d" title="dimension of the square matrix">dim</a>;};
55<a name="l00092"></a>00092
56<a name="l00094"></a><a class="code" href="classsqmat.html#071e80ced9cc3b8cbb360fa7462eb646">00094</a>                 <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#071e80ced9cc3b8cbb360fa7462eb646" title="Reimplementing common functions of mat: cols().">rows</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classsqmat.html#0abed904bdc0882373ba9adba919689d" title="dimension of the square matrix">dim</a>;};
57<a name="l00095"></a>00095
58<a name="l00097"></a><a class="code" href="classsqmat.html#0481f2067bb32aaea7e6d4f27e46b656">00097</a>                 <span class="keyword">virtual</span> <a class="code" href="classsqmat.html#0481f2067bb32aaea7e6d4f27e46b656" title="Destructor for future use;.">~sqmat</a>(){};
59<a name="l00099"></a><a class="code" href="classsqmat.html#4268750c040c716b2c05037f725078a2">00099</a>                 <a class="code" href="classsqmat.html#4268750c040c716b2c05037f725078a2" title="Default constructor.">sqmat</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> dim0): <a class="code" href="classsqmat.html#0abed904bdc0882373ba9adba919689d" title="dimension of the square matrix">dim</a>(dim0){};
60<a name="l00100"></a>00100         <span class="keyword">protected</span>:
61<a name="l00102"></a>00102                 <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#0abed904bdc0882373ba9adba919689d" title="dimension of the square matrix">dim</a>;
62<a name="l00103"></a>00103 };
63<a name="l00104"></a>00104
64<a name="l00105"></a>00105
65<a name="l00110"></a><a class="code" href="classfsqmat.html">00110</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>: <span class="keyword">public</span> <a class="code" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a>
66<a name="l00111"></a>00111 {
67<a name="l00112"></a>00112         <span class="keyword">protected</span>:
68<a name="l00114"></a><a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453">00114</a>                 mat <a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>;
69<a name="l00115"></a>00115         <span class="keyword">public</span>:
70<a name="l00116"></a>00116                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#b36530e155667fe9f1bd58394e50c65a">opupdt</a> ( <span class="keyword">const</span> vec &amp;v, <span class="keywordtype">double</span> w );
71<a name="l00117"></a>00117                 mat <a class="code" href="classfsqmat.html#cedf4f048309056f4262c930914dfda8" title="Conversion to full matrix.">to_mat</a>() ;
72<a name="l00118"></a>00118                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#5530d2756b5d991de755e6121c9a452e" title="Inplace symmetric multiplication by a SQUARE matrix , i.e. .">mult_sym</a> ( <span class="keyword">const</span> mat &amp;C);
73<a name="l00119"></a>00119                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#92052a8adc2054b63e42d1373d145c89" title="Inplace symmetric multiplication by a SQUARE transpose of matrix , i.e. .">mult_sym_t</a> ( <span class="keyword">const</span> mat &amp;C);
74<a name="l00121"></a>00121                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#5530d2756b5d991de755e6121c9a452e" title="Inplace symmetric multiplication by a SQUARE matrix , i.e. .">mult_sym</a> ( <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="keyword">const</span>;
75<a name="l00123"></a>00123                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#92052a8adc2054b63e42d1373d145c89" title="Inplace symmetric multiplication by a SQUARE transpose of matrix , i.e. .">mult_sym_t</a> ( <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="keyword">const</span>;
76<a name="l00124"></a>00124                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#cfa4c359483d2322f32d1d50050f8ac4" title="Clearing matrix so that it corresponds to zeros.">clear</a>();
77<a name="l00125"></a>00125
78<a name="l00127"></a>00127                 <a class="code" href="classfsqmat.html#79e3f73e0ccd663c7f7e08083d272940" title="Default initialization.">fsqmat</a>(); <span class="comment">// mat will be initialized OK</span>
79<a name="l00129"></a>00129 <span class="comment"></span>                <a class="code" href="classfsqmat.html#79e3f73e0ccd663c7f7e08083d272940" title="Default initialization.">fsqmat</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> dim0); <span class="comment">// mat will be initialized OK</span>
80<a name="l00131"></a>00131 <span class="comment"></span>                <a class="code" href="classfsqmat.html#79e3f73e0ccd663c7f7e08083d272940" title="Default initialization.">fsqmat</a> ( <span class="keyword">const</span> mat &amp;<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a> );
81<a name="l00133"></a><a class="code" href="classfsqmat.html#c01f3e9bb590f2a2921369d672f3ce1e">00133</a>                 <a class="code" href="classfsqmat.html#79e3f73e0ccd663c7f7e08083d272940" title="Default initialization.">fsqmat</a> ( <span class="keyword">const</span> vec &amp;d ):<a class="code" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a>(d.length()){<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>=diag(d);};
82<a name="l00134"></a>00134
83<a name="l00136"></a><a class="code" href="classfsqmat.html#2a8f104e4befbc2aa90d8b11edfedb2e">00136</a>                 <span class="keyword">virtual</span> <a class="code" href="classfsqmat.html#2a8f104e4befbc2aa90d8b11edfedb2e" title="Destructor for future use;.">~fsqmat</a>(){};
84<a name="l00137"></a>00137
85<a name="l00138"></a>00138
86<a name="l00144"></a>00144                 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#9fa853e1ca28f2a1a1c43377e798ecb1" title="Matrix inversion preserving the chosen form.">inv</a> ( <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a> &amp;Inv );
87<a name="l00145"></a>00145
88<a name="l00146"></a><a class="code" href="classfsqmat.html#eb0d1358f536e4453b5f99d0418ca1e5">00146</a>                 <span class="keywordtype">double</span> <a class="code" href="classfsqmat.html#eb0d1358f536e4453b5f99d0418ca1e5" title="Logarithm of a determinant.">logdet</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> log ( det ( <a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a> ) );};
89<a name="l00147"></a><a class="code" href="classfsqmat.html#a6c91b0389e73404324b2314b08d6e87">00147</a>                 <span class="keywordtype">double</span> <a class="code" href="classfsqmat.html#a6c91b0389e73404324b2314b08d6e87" title="Evaluates quadratic form ;.">qform</a> (<span class="keyword">const</span>  vec &amp;v )<span class="keyword"> const </span>{<span class="keywordflow">return</span> ( v* ( <a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>*v ) );};
90<a name="l00148"></a><a class="code" href="classfsqmat.html#58075da64ddadd4df40654c35b928c6f">00148</a>                 <span class="keywordtype">double</span> <a class="code" href="classfsqmat.html#58075da64ddadd4df40654c35b928c6f" title="Evaluates quadratic form ;.">invqform</a> (<span class="keyword">const</span>  vec &amp;v )<span class="keyword"> const </span>{<span class="keywordflow">return</span> ( v* ( itpp::inv(<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>)*v ) );};
91<a name="l00149"></a><a class="code" href="classfsqmat.html#842a774077ee34ac3c36d180ab33e103">00149</a>                 vec <a class="code" href="classfsqmat.html#842a774077ee34ac3c36d180ab33e103" title="Multiplies square root of  by vector .">sqrt_mult</a> (<span class="keyword">const</span> vec &amp;v )<span class="keyword"> const </span>{mat Ch=chol(<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>); <span class="keywordflow">return</span> Ch*v;};
92<a name="l00150"></a>00150
93<a name="l00152"></a><a class="code" href="classfsqmat.html#922f8190c13987cbcdb33ec2bf5cf105">00152</a>                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#922f8190c13987cbcdb33ec2bf5cf105" title="Access functions.">setD</a> (<span class="keyword">const</span> vec &amp;nD){<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>=diag(nD);}
94<a name="l00154"></a><a class="code" href="classfsqmat.html#bcf837b2956745e8986044f5600dbd6e">00154</a>                 vec <a class="code" href="classfsqmat.html#bcf837b2956745e8986044f5600dbd6e" title="Access functions.">getD</a> (){<span class="keywordflow">return</span> diag(<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>);}
95<a name="l00156"></a><a class="code" href="classfsqmat.html#03a8f49eb4d38a054ecc522be59cd2ad">00156</a>                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#922f8190c13987cbcdb33ec2bf5cf105" title="Access functions.">setD</a> (<span class="keyword">const</span> vec &amp;nD, <span class="keywordtype">int</span> i){<span class="keywordflow">for</span>(<span class="keywordtype">int</span> j=i;j&lt;nD.length();j++){<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>(j,j)=nD(j-i);}} <span class="comment">//Fixme can be more general</span>
96<a name="l00157"></a>00157
97<a name="l00159"></a><a class="code" href="classfsqmat.html#514d1fdd8a382dbd6a774f2cf1ebd3de">00159</a>                 <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a>&amp; <a class="code" href="classfsqmat.html#514d1fdd8a382dbd6a774f2cf1ebd3de" title="add another fsqmat matrix">operator += </a>( <span class="keyword">const</span> <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a> &amp;A ) {<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>+=A.<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>;<span class="keywordflow">return</span> *<span class="keyword">this</span>;};
98<a name="l00161"></a><a class="code" href="classfsqmat.html#e976bc9d899961e1d2087b0630ed33b7">00161</a>                 <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a>&amp; <a class="code" href="classfsqmat.html#e976bc9d899961e1d2087b0630ed33b7" title="subtrack another fsqmat matrix">operator -= </a>( <span class="keyword">const</span> <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a> &amp;A ) {<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>-=A.<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>;<span class="keywordflow">return</span> *<span class="keyword">this</span>;};
99<a name="l00163"></a><a class="code" href="classfsqmat.html#8f7ce97628a50e06641281096b2af9b7">00163</a>                 <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a>&amp; <a class="code" href="classfsqmat.html#8f7ce97628a50e06641281096b2af9b7" title="multiply by a scalar">operator *= </a>( <span class="keywordtype">double</span> x ) {<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>*=x;<span class="keywordflow">return</span> *<span class="keyword">this</span>;};
100<a name="l00164"></a>00164 <span class="comment">//              fsqmat&amp; operator = ( const fsqmat &amp;A) {M=A.M; return *this;};</span>
101<a name="l00166"></a>00166 <span class="comment"></span>                <span class="keyword">friend</span> std::ostream &amp;<a class="code" href="classfsqmat.html#e06aba54d61e807b41bd68b5ee6ac22f" title="print full matrix">operator&lt;&lt; </a>( std::ostream &amp;os, <span class="keyword">const</span> <a class="code" href="classfsqmat.html" title="Fake sqmat. This class maps sqmat operations to operations on full matrix.">fsqmat</a> &amp;sq );
102<a name="l00167"></a>00167
103<a name="l00168"></a>00168 };
104<a name="l00169"></a>00169
105<a name="l00175"></a><a class="code" href="classldmat.html">00175</a> <span class="keyword">class </span><a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a>: <a class="code" href="classsqmat.html" title="Virtual class for representation of double symmetric matrices in square-root form...">sqmat</a>
106<a name="l00176"></a>00176 {
107<a name="l00177"></a>00177         <span class="keyword">public</span>:
108<a name="l00178"></a>00178
109<a name="l00180"></a>00180                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a> ( <span class="keyword">const</span> mat &amp;<a class="code" href="classldmat.html#f74a64b99fe58a75ebd37bb679e121ea" title="Lower-triangular matrix .">L</a>, <span class="keyword">const</span> vec &amp;<a class="code" href="classldmat.html#4cce04824539c4a8d062d9a36d6e014e" title="Positive vector .">D</a> );
110<a name="l00182"></a>00182                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a> (<span class="keyword">const</span> mat &amp;V );
111<a name="l00184"></a>00184                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a> ( vec D0 );
112<a name="l00186"></a>00186                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a> ();
113<a name="l00188"></a>00188                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> dim0);
114<a name="l00189"></a>00189
115<a name="l00191"></a><a class="code" href="classldmat.html#1e2734c0164ce5233c4d709679555138">00191</a>                 <span class="keyword">virtual</span> <a class="code" href="classldmat.html#1e2734c0164ce5233c4d709679555138" title="Destructor for future use;.">~ldmat</a>(){};
116<a name="l00192"></a>00192
117<a name="l00193"></a>00193                 <span class="comment">// Reimplementation of compulsory operatios</span>
118<a name="l00194"></a>00194
119<a name="l00195"></a>00195                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#0f0f6e083e6d947cf58097ffce3ccd1a">opupdt</a> ( <span class="keyword">const</span> vec &amp;v, <span class="keywordtype">double</span> w );
120<a name="l00196"></a>00196                 mat <a class="code" href="classldmat.html#5b0515da8dc2293d9e4360b74cc26c9e" title="Conversion to full matrix.">to_mat</a>();
121<a name="l00197"></a>00197                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#e967b9425007f0cb6cd59b845f9756d8" title="Inplace symmetric multiplication by a SQUARE matrix , i.e. .">mult_sym</a> ( <span class="keyword">const</span> mat &amp;C);
122<a name="l00198"></a>00198                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#4fd155f38eb6dd5af4bdf9c98a7999a9" title="Inplace symmetric multiplication by a SQUARE transpose of matrix , i.e. .">mult_sym_t</a> ( <span class="keyword">const</span> mat &amp;C);
123<a name="l00200"></a>00200                 <span class="keywordtype">void</span> <span class="keyword">add</span> ( <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;ld2, <span class="keywordtype">double</span> w=1.0 );
124<a name="l00201"></a>00201                 <span class="keywordtype">double</span> <a class="code" href="classldmat.html#2b42750ba4962d439aa52a77ae12949b" title="Logarithm of a determinant.">logdet</a>() <span class="keyword">const</span>;
125<a name="l00202"></a>00202                 <span class="keywordtype">double</span> <a class="code" href="classldmat.html#d64f331b781903e913cb2ee836886f3f" title="Evaluates quadratic form ;.">qform</a> (<span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span>;
126<a name="l00203"></a>00203                 <span class="keywordtype">double</span> <a class="code" href="classldmat.html#d876c5f83e02b3e809b35c9de5068f14" title="Evaluates quadratic form ;.">invqform</a> (<span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span>;
127<a name="l00204"></a>00204 <span class="comment">//      sqmat&amp; operator -= ( const sqmat &amp; ld2 );</span>
128<a name="l00205"></a>00205                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#4d6e401de9607332305c27e67972a07a" title="Clearing matrix so that it corresponds to zeros.">clear</a>();
129<a name="l00206"></a>00206                 <span class="keywordtype">int</span> <a class="code" href="classldmat.html#0fceb6b5b637cec89bb0a3d2e6be1306" title="access function">cols</a>() <span class="keyword">const</span>;
130<a name="l00207"></a>00207                 <span class="keywordtype">int</span> <a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>() <span class="keyword">const</span>;
131<a name="l00208"></a>00208                 vec <a class="code" href="classldmat.html#fc380626ced6f9244fb58c5f0231174d" title="Multiplies square root of  by vector .">sqrt_mult</a> ( <span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span>;
132<a name="l00209"></a>00209
133<a name="l00213"></a>00213                 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classldmat.html#2c160cb123c1102face7a50ec566a031" title="Matrix inversion preserving the chosen form.">inv</a> ( <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;Inv ) <span class="keyword">const</span>;
134<a name="l00214"></a>00214
135<a name="l00219"></a>00219                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#e967b9425007f0cb6cd59b845f9756d8" title="Inplace symmetric multiplication by a SQUARE matrix , i.e. .">mult_sym</a> ( <span class="keyword">const</span> mat &amp;C, <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;U) <span class="keyword">const</span>;
136<a name="l00220"></a>00220
137<a name="l00225"></a>00225                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#4fd155f38eb6dd5af4bdf9c98a7999a9" title="Inplace symmetric multiplication by a SQUARE transpose of matrix , i.e. .">mult_sym_t</a> ( <span class="keyword">const</span> mat &amp;C, <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;U) <span class="keyword">const</span>;
138<a name="l00226"></a>00226
139<a name="l00227"></a>00227
140<a name="l00234"></a>00234                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#f291faa073e7bc8dfafc7ae93daa2506" title="Transforms general  into pure .">ldform</a> (<span class="keyword">const</span> mat &amp;A,<span class="keyword">const</span> vec &amp;D0 );
141<a name="l00235"></a>00235
142<a name="l00237"></a><a class="code" href="classldmat.html#0884a613b94fde61bfc84288e73ce57f">00237</a>                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#0884a613b94fde61bfc84288e73ce57f" title="Access functions.">setD</a> (<span class="keyword">const</span> vec &amp;nD){D=nD;}
143<a name="l00239"></a><a class="code" href="classldmat.html#7619922b4de18830ce5351c6b5667e60">00239</a>                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#0884a613b94fde61bfc84288e73ce57f" title="Access functions.">setD</a> (<span class="keyword">const</span> vec &amp;nD, <span class="keywordtype">int</span> i){D.replace_mid(i,nD);} <span class="comment">//Fixme can be more general</span>
144<a name="l00241"></a><a class="code" href="classldmat.html#32ff66296627ff5341d7c0b973249614">00241</a> <span class="comment"></span>                <span class="keywordtype">void</span> <a class="code" href="classldmat.html#32ff66296627ff5341d7c0b973249614" title="Access functions.">setL</a> (<span class="keyword">const</span> vec &amp;nL){L=nL;}
145<a name="l00242"></a>00242
146<a name="l00244"></a>00244                 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a>&amp; <a class="code" href="classldmat.html#ca445ee152a56043af946ea095b2d8f8" title="add another ldmat matrix">operator += </a>( <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;ldA );
147<a name="l00246"></a>00246                 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a>&amp; <a class="code" href="classldmat.html#e3f4d2d85ab1ba384c852329aa31d0fb" title="subtract another ldmat matrix">operator -= </a>( <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;ldA );
148<a name="l00248"></a>00248                 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a>&amp; <a class="code" href="classldmat.html#16871b2d54be6e5dc73f78b8cb90771c" title="multiply by a scalar">operator *= </a>( <span class="keywordtype">double</span> x );
149<a name="l00249"></a>00249
150<a name="l00251"></a>00251                 <span class="keyword">friend</span> std::ostream &amp;<a class="code" href="classldmat.html#eaaa0baa6026b84cfcbced41c84599d1" title="print both L and D ">operator&lt;&lt; </a>( std::ostream &amp;os, <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;sq );
151<a name="l00252"></a>00252
152<a name="l00253"></a>00253
153<a name="l00254"></a>00254         <span class="keyword">protected</span>:
154<a name="l00256"></a><a class="code" href="classldmat.html#4cce04824539c4a8d062d9a36d6e014e">00256</a>                 vec D;
155<a name="l00258"></a><a class="code" href="classldmat.html#f74a64b99fe58a75ebd37bb679e121ea">00258</a>                 mat L;
156<a name="l00259"></a>00259
157<a name="l00260"></a>00260 };
158<a name="l00261"></a>00261
159<a name="l00262"></a>00262
160<a name="l00265"></a><a class="code" href="classldmat.html#ca445ee152a56043af946ea095b2d8f8">00265</a> <span class="keyword">inline</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a>&amp; <a class="code" href="classldmat.html#ca445ee152a56043af946ea095b2d8f8" title="add another ldmat matrix">ldmat::operator += </a>( <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;ldA )  {this-&gt;<span class="keyword">add</span> ( ldA );<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
161<a name="l00267"></a><a class="code" href="classldmat.html#e3f4d2d85ab1ba384c852329aa31d0fb">00267</a> <span class="keyword">inline</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a>&amp; <a class="code" href="classldmat.html#e3f4d2d85ab1ba384c852329aa31d0fb" title="subtract another ldmat matrix">ldmat::operator -= </a>( <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (typically known as UD).">ldmat</a> &amp;ldA )  {this-&gt;<span class="keyword">add</span> ( ldA,-1.0 );<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
162<a name="l00269"></a><a class="code" href="classldmat.html#0fceb6b5b637cec89bb0a3d2e6be1306">00269</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classldmat.html#0fceb6b5b637cec89bb0a3d2e6be1306" title="access function">ldmat::cols</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classsqmat.html#0abed904bdc0882373ba9adba919689d" title="dimension of the square matrix">dim</a>;}
163<a name="l00271"></a><a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163">00271</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">ldmat::rows</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classsqmat.html#0abed904bdc0882373ba9adba919689d" title="dimension of the square matrix">dim</a>;}
164<a name="l00272"></a>00272
165<a name="l00273"></a>00273 <span class="preprocessor">#endif // DC_H</span>
166</pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Apr 18 11:15:14 2008 for mixpp by&nbsp;
167<a href="http://www.doxygen.org/index.html">
168<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
169</body>
170</html>
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