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64<h1>square_mat.h</h1><a href="square__mat_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
65<a name="l00013"></a>00013 <span class="preprocessor">#ifndef DC_H</span>
66<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define DC_H</span>
67<a name="l00015"></a>00015 <span class="preprocessor"></span>
68<a name="l00016"></a>00016
69<a name="l00017"></a>00017 <span class="preprocessor">#include "../itpp_ext.h"</span>
70<a name="l00018"></a>00018
71<a name="l00019"></a>00019 <span class="keyword">using namespace </span>itpp;
72<a name="l00020"></a>00020
73<a name="l00022"></a>00022 <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 );
74<a name="l00023"></a>00023
75<a name="l00025"></a>00025 <span class="comment">//TODO can be done via: dtrtri.f from lapack</span>
76<a name="l00026"></a>00026 mat ltuinv( <span class="keyword">const</span> mat &amp;L );
77<a name="l00027"></a>00027
78<a name="l00032"></a><a class="code" href="classsqmat.html">00032</a> <span class="keyword">class </span><a class="code" href="classsqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a>
79<a name="l00033"></a>00033 {
80<a name="l00034"></a>00034         <span class="keyword">public</span>:
81<a name="l00042"></a>00042                 <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;
82<a name="l00043"></a>00043
83<a name="l00047"></a>00047                 <span class="keyword">virtual</span> mat <a class="code" href="classsqmat.html#cd0ea3701e4493f353499755fba6e07f" title="Conversion to full matrix.">to_mat</a>() <span class="keyword">const</span> =0;
84<a name="l00048"></a>00048
85<a name="l00052"></a>00052                 <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;
86<a name="l00053"></a>00053                 
87<a name="l00057"></a>00057                 <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;
88<a name="l00058"></a>00058
89<a name="l00059"></a>00059
90<a name="l00064"></a>00064                 <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;
91<a name="l00065"></a>00065
92<a name="l00071"></a>00071                 <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;
93<a name="l00072"></a>00072
94<a name="l00077"></a>00077                 <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;
95<a name="l00078"></a>00078
96<a name="l00083"></a>00083                 <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;
97<a name="l00084"></a>00084
98<a name="l00085"></a>00085 <span class="comment">//      //! easy version of the</span>
99<a name="l00086"></a>00086 <span class="comment">//      sqmat inv();</span>
100<a name="l00087"></a>00087
101<a name="l00089"></a>00089                 <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;
102<a name="l00090"></a>00090
103<a name="l00092"></a><a class="code" href="classsqmat.html#ecc2e2540f95a04f4449842588170f5b">00092</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>;};
104<a name="l00093"></a>00093
105<a name="l00095"></a><a class="code" href="classsqmat.html#071e80ced9cc3b8cbb360fa7462eb646">00095</a>                 <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#071e80ced9cc3b8cbb360fa7462eb646" title="Reimplementing common functions of mat: rows().">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>;};
106<a name="l00096"></a>00096
107<a name="l00098"></a><a class="code" href="classsqmat.html#0481f2067bb32aaea7e6d4f27e46b656">00098</a>                 <span class="keyword">virtual</span> <a class="code" href="classsqmat.html#0481f2067bb32aaea7e6d4f27e46b656" title="Destructor for future use;.">~sqmat</a>(){};
108<a name="l00100"></a><a class="code" href="classsqmat.html#4268750c040c716b2c05037f725078a2">00100</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){};
109<a name="l00102"></a><a class="code" href="classsqmat.html#5493a4a11a2b3c41de9cdd8ce305bb44">00102</a>                 <a class="code" href="classsqmat.html#5493a4a11a2b3c41de9cdd8ce305bb44" title="Default constructor.">sqmat</a>(): <a class="code" href="classsqmat.html#0abed904bdc0882373ba9adba919689d" title="dimension of the square matrix">dim</a>(0){};
110<a name="l00103"></a>00103         <span class="keyword">protected</span>:
111<a name="l00105"></a>00105                 <span class="keywordtype">int</span> <a class="code" href="classsqmat.html#0abed904bdc0882373ba9adba919689d" title="dimension of the square matrix">dim</a>;
112<a name="l00106"></a>00106 };
113<a name="l00107"></a>00107
114<a name="l00108"></a>00108
115<a name="l00113"></a><a class="code" href="classfsqmat.html">00113</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="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a>
116<a name="l00114"></a>00114 {
117<a name="l00115"></a>00115         <span class="keyword">protected</span>:
118<a name="l00117"></a><a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453">00117</a>                 mat <a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>;
119<a name="l00118"></a>00118         <span class="keyword">public</span>:
120<a name="l00119"></a>00119                 <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 );
121<a name="l00120"></a>00120                 mat <a class="code" href="classfsqmat.html#f54fc955e8e3b43d15afa92124bc24b3" title="Conversion to full matrix.">to_mat</a>() <span class="keyword">const</span>;
122<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);
123<a name="l00122"></a>00122                 <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);
124<a name="l00124"></a>00124                 <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>;
125<a name="l00126"></a>00126                 <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>;
126<a name="l00127"></a>00127                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#cfa4c359483d2322f32d1d50050f8ac4" title="Clearing matrix so that it corresponds to zeros.">clear</a>();
127<a name="l00128"></a>00128
128<a name="l00130"></a><a class="code" href="classfsqmat.html#79e3f73e0ccd663c7f7e08083d272940">00130</a>                 <a class="code" href="classfsqmat.html#79e3f73e0ccd663c7f7e08083d272940" title="Default initialization.">fsqmat</a>(){}; <span class="comment">// mat will be initialized OK</span>
129<a name="l00132"></a>00132 <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>
130<a name="l00134"></a>00134 <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> );
131<a name="l00136"></a><a class="code" href="classfsqmat.html#9e19a5e26083f4a493b6fad38cc40fab">00136</a>                 <a class="code" href="classfsqmat.html#9e19a5e26083f4a493b6fad38cc40fab" title="Constructor.">fsqmat</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 class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>, <span class="keyword">const</span> ivec &amp;perm ):<a class="code" href="classsqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a>(M.<a class="code" href="classsqmat.html#071e80ced9cc3b8cbb360fa7462eb646" title="Reimplementing common functions of mat: rows().">rows</a>()){it_error(<span class="stringliteral">"not implemneted"</span>);};
132<a name="l00138"></a><a class="code" href="classfsqmat.html#c01f3e9bb590f2a2921369d672f3ce1e">00138</a>                 <a class="code" href="classfsqmat.html#c01f3e9bb590f2a2921369d672f3ce1e" title="Constructor.">fsqmat</a> ( <span class="keyword">const</span> vec &amp;d ):<a class="code" href="classsqmat.html" title="Abstract 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);};
133<a name="l00139"></a>00139
134<a name="l00141"></a><a class="code" href="classfsqmat.html#2a8f104e4befbc2aa90d8b11edfedb2e">00141</a>                 <span class="keyword">virtual</span> <a class="code" href="classfsqmat.html#2a8f104e4befbc2aa90d8b11edfedb2e" title="Destructor for future use;.">~fsqmat</a>(){};
135<a name="l00142"></a>00142
136<a name="l00143"></a>00143
137<a name="l00149"></a>00149                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#7c9a5af752cf0d1a4ada283ce7efbe54" 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 ) <span class="keyword">const</span>;
138<a name="l00150"></a>00150
139<a name="l00151"></a><a class="code" href="classfsqmat.html#eb0d1358f536e4453b5f99d0418ca1e5">00151</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> ) );};
140<a name="l00152"></a><a class="code" href="classfsqmat.html#a6c91b0389e73404324b2314b08d6e87">00152</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 ) );};
141<a name="l00153"></a><a class="code" href="classfsqmat.html#58075da64ddadd4df40654c35b928c6f">00153</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 ) );};
142<a name="l00154"></a><a class="code" href="classfsqmat.html#842a774077ee34ac3c36d180ab33e103">00154</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;};
143<a name="l00155"></a>00155
144<a name="l00157"></a><a class="code" href="classfsqmat.html#a2e0bf7dbbbbe1d3358064c4ad455f1f">00157</a>                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#a2e0bf7dbbbbe1d3358064c4ad455f1f" title="Add another matrix in fsq form with weight w.">add</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;fsq2, <span class="keywordtype">double</span> w=1.0 ){<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>+=fsq2.<a class="code" href="classfsqmat.html#a7a1fcb9aae19d1e4daddfc9c22ce453" title="Full matrix on which the operations are performed.">M</a>;};
145<a name="l00158"></a>00158
146<a name="l00160"></a><a class="code" href="classfsqmat.html#922f8190c13987cbcdb33ec2bf5cf105">00160</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);}
147<a name="l00162"></a><a class="code" href="classfsqmat.html#bcf837b2956745e8986044f5600dbd6e">00162</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>);}
148<a name="l00164"></a><a class="code" href="classfsqmat.html#03a8f49eb4d38a054ecc522be59cd2ad">00164</a>                 <span class="keywordtype">void</span> <a class="code" href="classfsqmat.html#03a8f49eb4d38a054ecc522be59cd2ad" 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>
149<a name="l00165"></a>00165
150<a name="l00166"></a>00166
151<a name="l00168"></a><a class="code" href="classfsqmat.html#514d1fdd8a382dbd6a774f2cf1ebd3de">00168</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>;};
152<a name="l00170"></a><a class="code" href="classfsqmat.html#e976bc9d899961e1d2087b0630ed33b7">00170</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>;};
153<a name="l00172"></a><a class="code" href="classfsqmat.html#af800e7b2146da5e60897255dde80059">00172</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#af800e7b2146da5e60897255dde80059" 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>;};
154<a name="l00173"></a>00173 <span class="comment">//              fsqmat&amp; operator = ( const fsqmat &amp;A) {M=A.M; return *this;};</span>
155<a name="l00175"></a>00175 <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 );
156<a name="l00176"></a>00176
157<a name="l00177"></a>00177 };
158<a name="l00178"></a>00178
159<a name="l00184"></a><a class="code" href="classldmat.html">00184</a> <span class="keyword">class </span><a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a>: <span class="keyword">public</span> <a class="code" href="classsqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a>
160<a name="l00185"></a>00185 {
161<a name="l00186"></a>00186         <span class="keyword">public</span>:
162<a name="l00188"></a>00188                 <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> );
163<a name="l00190"></a>00190                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a> (<span class="keyword">const</span> mat &amp;V );
164<a name="l00192"></a><a class="code" href="classldmat.html#8e88c818f9605bc726e52c4136c71cc5">00192</a>                 <a class="code" href="classldmat.html#8e88c818f9605bc726e52c4136c71cc5" title="Construct by restructuring of V0 accordint to permutation vector perm.">ldmat</a> (<span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> &amp;V0, <span class="keyword">const</span> ivec &amp;perm):<a class="code" href="classsqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a>(V0.<a class="code" href="classsqmat.html#071e80ced9cc3b8cbb360fa7462eb646" title="Reimplementing common functions of mat: rows().">rows</a>()){     <a class="code" href="classldmat.html#f291faa073e7bc8dfafc7ae93daa2506" title="Transforms general  into pure .">ldform</a>(V0.<a class="code" href="classldmat.html#f74a64b99fe58a75ebd37bb679e121ea" title="Lower-triangular matrix .">L</a>.get_cols(perm), V0.<a class="code" href="classldmat.html#4cce04824539c4a8d062d9a36d6e014e" title="Positive vector .">D</a>);};
165<a name="l00194"></a>00194                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a> ( vec D0 );
166<a name="l00196"></a>00196                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a> ();
167<a name="l00198"></a>00198                 <a class="code" href="classldmat.html#a12dda6f529580b0377cc45226b43303" title="Default constructor.">ldmat</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> dim0);
168<a name="l00199"></a>00199                 
169<a name="l00201"></a><a class="code" href="classldmat.html#1e2734c0164ce5233c4d709679555138">00201</a>                 <span class="keyword">virtual</span> <a class="code" href="classldmat.html#1e2734c0164ce5233c4d709679555138" title="Destructor for future use;.">~ldmat</a>(){};
170<a name="l00202"></a>00202
171<a name="l00203"></a>00203                 <span class="comment">// Reimplementation of compulsory operatios</span>
172<a name="l00204"></a>00204
173<a name="l00205"></a>00205                 <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 );
174<a name="l00206"></a>00206                 mat <a class="code" href="classldmat.html#2c1ebc071de4bafbba55b80afd8a7e8e" title="Conversion to full matrix.">to_mat</a>() <span class="keyword">const</span>;
175<a name="l00207"></a>00207                 <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);
176<a name="l00208"></a>00208                 <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);
177<a name="l00210"></a>00210                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#a60f2c7e4f3c6a7738eaaaab81ffad20" title="Add another matrix in LD form with weight w.">add</a> ( <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> &amp;ld2, <span class="keywordtype">double</span> w=1.0 );
178<a name="l00211"></a>00211                 <span class="keywordtype">double</span> <a class="code" href="classldmat.html#2b42750ba4962d439aa52a77ae12949b" title="Logarithm of a determinant.">logdet</a>() <span class="keyword">const</span>;
179<a name="l00212"></a>00212                 <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>;
180<a name="l00213"></a>00213                 <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>;
181<a name="l00214"></a>00214                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#4d6e401de9607332305c27e67972a07a" title="Clearing matrix so that it corresponds to zeros.">clear</a>();
182<a name="l00215"></a>00215                 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>;
183<a name="l00216"></a>00216
184<a name="l00217"></a>00217                 
185<a name="l00221"></a>00221                 <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, (commonly known as UD).">ldmat</a> &amp;Inv ) <span class="keyword">const</span>;
186<a name="l00222"></a>00222
187<a name="l00227"></a>00227                 <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, (commonly known as UD).">ldmat</a> &amp;U) <span class="keyword">const</span>;
188<a name="l00228"></a>00228
189<a name="l00233"></a>00233                 <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, (commonly known as UD).">ldmat</a> &amp;U) <span class="keyword">const</span>;
190<a name="l00234"></a>00234
191<a name="l00235"></a>00235
192<a name="l00242"></a>00242                 <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 );
193<a name="l00243"></a>00243
194<a name="l00245"></a><a class="code" href="classldmat.html#0884a613b94fde61bfc84288e73ce57f">00245</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;}
195<a name="l00247"></a><a class="code" href="classldmat.html#7619922b4de18830ce5351c6b5667e60">00247</a>                 <span class="keywordtype">void</span> <a class="code" href="classldmat.html#7619922b4de18830ce5351c6b5667e60" 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>
196<a name="l00249"></a><a class="code" href="classldmat.html#32ff66296627ff5341d7c0b973249614">00249</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;}
197<a name="l00250"></a>00250
198<a name="l00252"></a><a class="code" href="classldmat.html#282c879f50aa9ef934e7f46d86881582">00252</a>                 <span class="keyword">const</span> vec&amp; <a class="code" href="classldmat.html#282c879f50aa9ef934e7f46d86881582" title="Access functions.">_D</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> D;}
199<a name="l00254"></a><a class="code" href="classldmat.html#5f44f100248c6627314afaa653b9e5bd">00254</a>                 <span class="keyword">const</span> mat&amp; <a class="code" href="classldmat.html#5f44f100248c6627314afaa653b9e5bd" title="Access functions.">_L</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> L;}
200<a name="l00255"></a>00255
201<a name="l00257"></a>00257                 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly 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, (commonly known as UD).">ldmat</a> &amp;ldA );
202<a name="l00259"></a>00259                 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly 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, (commonly known as UD).">ldmat</a> &amp;ldA );
203<a name="l00261"></a>00261                 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a>&amp; <a class="code" href="classldmat.html#875b7e6dcf73ae7001329099019fdb1d" title="multiply by a scalar">operator *= </a>( <span class="keywordtype">double</span> x );
204<a name="l00262"></a>00262
205<a name="l00264"></a>00264                 <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, (commonly known as UD).">ldmat</a> &amp;sq );
206<a name="l00265"></a>00265
207<a name="l00266"></a>00266         <span class="keyword">protected</span>:
208<a name="l00268"></a><a class="code" href="classldmat.html#4cce04824539c4a8d062d9a36d6e014e">00268</a>                 vec D;
209<a name="l00270"></a><a class="code" href="classldmat.html#f74a64b99fe58a75ebd37bb679e121ea">00270</a>                 mat L;
210<a name="l00271"></a>00271
211<a name="l00272"></a>00272 };
212<a name="l00273"></a>00273
213<a name="l00276"></a><a class="code" href="classldmat.html#ca445ee152a56043af946ea095b2d8f8">00276</a> <span class="keyword">inline</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly 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, (commonly known as UD).">ldmat</a> &amp;ldA )  {this-&gt;<a class="code" href="classldmat.html#a60f2c7e4f3c6a7738eaaaab81ffad20" title="Add another matrix in LD form with weight w.">add</a> ( ldA );<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
214<a name="l00278"></a><a class="code" href="classldmat.html#e3f4d2d85ab1ba384c852329aa31d0fb">00278</a> <span class="keyword">inline</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly 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, (commonly known as UD).">ldmat</a> &amp;ldA )  {this-&gt;<a class="code" href="classldmat.html#a60f2c7e4f3c6a7738eaaaab81ffad20" title="Add another matrix in LD form with weight w.">add</a> ( ldA,-1.0 );<span class="keywordflow">return</span> *<span class="keyword">this</span>;}
215<a name="l00279"></a>00279
216<a name="l00280"></a>00280 <span class="preprocessor">#endif // DC_H</span>
217</pre></div></div>
218<hr size="1"><address style="text-align: right;"><small>Generated on Wed Aug 5 00:06:49 2009 for mixpp by&nbsp;
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220<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address>
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