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67<h1>chmat.h</h1><a href="chmat_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
68<a name="l00013"></a>00013 <span class="preprocessor">#ifndef CHMAT_H</span>
69<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define CHMAT_H</span>
70<a name="l00015"></a>00015 <span class="preprocessor"></span>
71<a name="l00016"></a>00016 <span class="preprocessor">#include &quot;../bdmerror.h&quot;</span>
72<a name="l00017"></a>00017 <span class="preprocessor">#include &quot;<a class="code" href="square__mat_8h.html" title="Matrices in decomposed forms (LDL&amp;#39;, LU, UDU&amp;#39;, etc).">square_mat.h</a>&quot;</span>
73<a name="l00018"></a>00018
74<a name="l00019"></a>00019 <span class="keyword">namespace </span>bdm
75<a name="l00020"></a>00020 {
76<a name="l00021"></a>00021
77<a name="l00027"></a><a class="code" href="classbdm_1_1chmat.html">00027</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> : <span class="keyword">public</span> <a class="code" href="classbdm_1_1sqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a> {
78<a name="l00028"></a>00028 <span class="keyword">protected</span>:
79<a name="l00030"></a><a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223">00030</a>         mat <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a>;
80<a name="l00031"></a>00031 <span class="keyword">public</span>:
81<a name="l00032"></a>00032
82<a name="l00033"></a>00033         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#abea30d9ae395363e5aef36f6359b15fd">opupdt</a> ( <span class="keyword">const</span> vec &amp;v, <span class="keywordtype">double</span> w );
83<a name="l00034"></a>00034         mat <a class="code" href="classbdm_1_1chmat.html#a4b4c5d4dbb8a3d585b68d936cb6df31b" title="Conversion to full matrix.">to_mat</a>() <span class="keyword">const</span>;
84<a name="l00035"></a>00035         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#a832d1a18bbf33ee7681adf01d5d08e21" title="Inplace symmetric multiplication by a SQUARE matrix , i.e. .">mult_sym</a> ( <span class="keyword">const</span> mat &amp;C );
85<a name="l00036"></a>00036         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#a832d1a18bbf33ee7681adf01d5d08e21" 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="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp;U ) <span class="keyword">const</span>;
86<a name="l00037"></a>00037         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#a7a4f54f1ea8b802f318de77a78f6ddb0" title="Inplace symmetric multiplication by a SQUARE transpose of matrix , i.e. .">mult_sym_t</a> ( <span class="keyword">const</span> mat &amp;C );
87<a name="l00038"></a>00038         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#a7a4f54f1ea8b802f318de77a78f6ddb0" 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="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp;U ) <span class="keyword">const</span>;
88<a name="l00039"></a>00039         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1chmat.html#a949ccd174ed19f9cfe36366cbd5c56a4" title="Logarithm of a determinant.">logdet</a>() <span class="keyword">const</span>;
89<a name="l00040"></a>00040         vec <a class="code" href="classbdm_1_1chmat.html#aec8d3a1cbf3b50183f246a858663c92d" title="Multiplies square root of  by vector .">sqrt_mult</a> ( <span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span>;
90<a name="l00041"></a>00041         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1chmat.html#a6e0aee9691909602d341fe5ebd1f1ca8" title="Evaluates quadratic form ;.">qform</a> ( <span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span>;
91<a name="l00042"></a>00042         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1chmat.html#a3ac8d00a14a22a21760a8374fe5c5757" title="Evaluates quadratic form ;.">invqform</a> ( <span class="keyword">const</span> vec &amp;v ) <span class="keyword">const</span>;
92<a name="l00043"></a>00043         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#abc753cb54aa8946ce41d95e82fc148b5" title="Clearing matrix so that it corresponds to zeros.">clear</a>();
93<a name="l00045"></a><a class="code" href="classbdm_1_1chmat.html#a6b3d5b772f791fc7c5df544a418278c7">00045</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#a6b3d5b772f791fc7c5df544a418278c7" title="add another chmat A2 with weight w.">add</a> ( <span class="keyword">const</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp;A2, <span class="keywordtype">double</span> w = 1.0 ) {
94<a name="l00046"></a>00046                 <a class="code" href="bdmerror_8h.html#a89a0f906b242b79c5d3d342291b2cab4" title="Throw std::runtime_exception if t is not true and NDEBUG is not defined.">bdm_assert_debug</a> ( <a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a> == A2.<a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a>, <span class="stringliteral">&quot;Matrices of unequal dimension&quot;</span> );
95<a name="l00047"></a>00047                 mat pre = concat_vertical ( <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a>, sqrt ( w ) * A2.<a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> );
96<a name="l00048"></a>00048                 mat post = zeros ( pre.rows(), pre.cols() );
97<a name="l00049"></a>00049                 <span class="keywordflow">if</span> ( !qr ( pre, post ) ) {
98<a name="l00050"></a>00050                         <a class="code" href="bdmerror_8h.html#a59c5a63b3878ebcd6cc952fc2b47191c" title="Display a warning message.">bdm_warning</a> ( <span class="stringliteral">&quot;Unstable QR in chmat add&quot;</span> );
99<a name="l00051"></a>00051                 }
100<a name="l00052"></a>00052                 <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> = post ( 0, <a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a> - 1, 0, <a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a> - 1 );
101<a name="l00053"></a>00053         };
102<a name="l00055"></a><a class="code" href="classbdm_1_1chmat.html#acbf3389db96dff41fb2e9532d59b13c0">00055</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#acbf3389db96dff41fb2e9532d59b13c0" title="Inversion in the same form, i.e. cholesky.">inv</a> ( <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp;Inv )<span class="keyword"> const   </span>{
103<a name="l00056"></a>00056                 ( Inv.<a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> ) = itpp::inv ( <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> ).T();
104<a name="l00057"></a>00057         }; <span class="comment">//Fixme: can be more efficient</span>
105<a name="l00058"></a>00058         ;
106<a name="l00059"></a>00059 <span class="comment">//      void inv ( mat &amp;Inv );</span>
107<a name="l00060"></a>00060
108<a name="l00062"></a><a class="code" href="classbdm_1_1chmat.html#aa888e866a163bffe94b51e58af65901b">00062</a>         <span class="keyword">virtual</span> <a class="code" href="classbdm_1_1chmat.html#aa888e866a163bffe94b51e58af65901b" title="Destructor for future use;.">~chmat</a>() {};
109<a name="l00064"></a>00064         <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> ( ) : <a class="code" href="classbdm_1_1sqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a> (), <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> ( ) {};
110<a name="l00066"></a><a class="code" href="classbdm_1_1chmat.html#a947c52c64022ef364d8ef17c94a65ef1">00066</a>         <a class="code" href="classbdm_1_1chmat.html#a947c52c64022ef364d8ef17c94a65ef1" title="Default constructor.">chmat</a> ( <span class="keyword">const</span> <span class="keywordtype">int</span> dim0 ) : <a class="code" href="classbdm_1_1sqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a> ( dim0 ), <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> ( dim0, dim0 ) {};
111<a name="l00068"></a><a class="code" href="classbdm_1_1chmat.html#aae4dd65ff29d7d951b18903b100bd39d">00068</a>         <a class="code" href="classbdm_1_1chmat.html#aae4dd65ff29d7d951b18903b100bd39d" title="Default constructor.">chmat</a> ( <span class="keyword">const</span> vec &amp;v ) : <a class="code" href="classbdm_1_1sqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a> ( v.length() ), <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> ( diag ( sqrt ( v ) ) ) {};
112<a name="l00070"></a><a class="code" href="classbdm_1_1chmat.html#a57513fca80f91194faf90297f2ab2b24">00070</a>         <a class="code" href="classbdm_1_1chmat.html#a57513fca80f91194faf90297f2ab2b24" title="Copy constructor.">chmat</a> ( <span class="keyword">const</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp;Ch0 ) : <a class="code" href="classbdm_1_1sqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a> ( Ch0.<a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a> ), <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> ( Ch0.<a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a>, Ch0.<a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a> ) {
113<a name="l00071"></a>00071                 <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> = Ch0.<a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a>;
114<a name="l00072"></a>00072         }
115<a name="l00073"></a>00073
116<a name="l00075"></a><a class="code" href="classbdm_1_1chmat.html#a796ee52e1343bc53d278f17c55bb1cc7">00075</a>         <a class="code" href="classbdm_1_1chmat.html#a796ee52e1343bc53d278f17c55bb1cc7" title="Default constructor (m3k:cholform).">chmat</a> ( <span class="keyword">const</span> mat &amp;M ) : <a class="code" href="classbdm_1_1sqmat.html" title="Abstract class for representation of double symmetric matrices in square-root form...">sqmat</a> ( M.<a class="code" href="classbdm_1_1sqmat.html#a73e639221343dcce76c3305524d67590" title="Reimplementing common functions of mat: rows().">rows</a>() ), <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> ( M.<a class="code" href="classbdm_1_1sqmat.html#a73e639221343dcce76c3305524d67590" title="Reimplementing common functions of mat: rows().">rows</a>(), M.<a class="code" href="classbdm_1_1sqmat.html#a445ef762cf5d2d6cfdf53c72942363cf" title="Reimplementing common functions of mat: cols().">cols</a>() ) {
117<a name="l00076"></a>00076                 mat Q;
118<a name="l00077"></a>00077                 <a class="code" href="bdmerror_8h.html#a89a0f906b242b79c5d3d342291b2cab4" title="Throw std::runtime_exception if t is not true and NDEBUG is not defined.">bdm_assert_debug</a> ( M.rows() == M.cols(), <span class="stringliteral">&quot;chmat:: input matrix must be square!&quot;</span> );
119<a name="l00078"></a>00078                 <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> = chol ( M );
120<a name="l00079"></a>00079         }
121<a name="l00080"></a>00080
122<a name="l00085"></a><a class="code" href="classbdm_1_1chmat.html#a3c4e675e7efd91f78faa3dcf23aec153">00085</a>         <a class="code" href="classbdm_1_1chmat.html#a3c4e675e7efd91f78faa3dcf23aec153">chmat</a> ( <span class="keyword">const</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp;M, <span class="keyword">const</span> ivec &amp;perm ) {
123<a name="l00086"></a>00086                 <a class="code" href="bdmerror_8h.html#a7c43f3a72afe68ab0c85663a1bb3521a" title="Unconditionally throw std::runtime_error.">bdm_error</a> ( <span class="stringliteral">&quot;not implemented&quot;</span> );
124<a name="l00087"></a>00087         }
125<a name="l00088"></a>00088
126<a name="l00090"></a><a class="code" href="classbdm_1_1chmat.html#a17daa8c5c5914bd3194cb3053c5793a5">00090</a>         mat &amp; <a class="code" href="classbdm_1_1chmat.html#a17daa8c5c5914bd3194cb3053c5793a5" title="Access function.">_Ch</a>() {
127<a name="l00091"></a>00091                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a>;
128<a name="l00092"></a>00092         }
129<a name="l00094"></a><a class="code" href="classbdm_1_1chmat.html#a3e9e137c1a6f46d13c2b6790cfddaa92">00094</a>         <span class="keyword">const</span> mat &amp; <a class="code" href="classbdm_1_1chmat.html#a3e9e137c1a6f46d13c2b6790cfddaa92" title="Access function.">_Ch</a>()<span class="keyword"> const </span>{
130<a name="l00095"></a>00095                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a>;
131<a name="l00096"></a>00096         }
132<a name="l00098"></a><a class="code" href="classbdm_1_1chmat.html#ab192df5b54b173ba9bc6922ee9983bc9">00098</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#ab192df5b54b173ba9bc6922ee9983bc9" title="Access functions.">setD</a> ( <span class="keyword">const</span> vec &amp;nD ) {
133<a name="l00099"></a>00099                 <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> = diag ( sqrt ( nD ) );
134<a name="l00100"></a>00100         }
135<a name="l00102"></a><a class="code" href="classbdm_1_1chmat.html#ab8fd18754b0e5e0463f818cd16c710c8">00102</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#ab8fd18754b0e5e0463f818cd16c710c8" title="Access functions.">setCh</a> ( <span class="keyword">const</span> vec &amp;chQ ) {
136<a name="l00103"></a>00103                 <a class="code" href="bdmerror_8h.html#a89a0f906b242b79c5d3d342291b2cab4" title="Throw std::runtime_exception if t is not true and NDEBUG is not defined.">bdm_assert_debug</a> ( chQ.length() == <a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a> * <a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a>, <span class="stringliteral">&quot;wrong length&quot;</span> );
137<a name="l00104"></a>00104                 copy_vector ( dim*dim, chQ._data(), <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a>._data() );
138<a name="l00105"></a>00105         }
139<a name="l00106"></a>00106
140<a name="l00108"></a><a class="code" href="classbdm_1_1chmat.html#a18f4b97bde650086fe5e3d9461a13514">00108</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1chmat.html#a18f4b97bde650086fe5e3d9461a13514" title="Access functions.">setD</a> ( <span class="keyword">const</span> vec &amp;nD, <span class="keywordtype">int</span> i ) {
141<a name="l00109"></a>00109                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> j = i; j &lt; nD.length(); j++ ) {
142<a name="l00110"></a>00110                         <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> ( j, j ) = sqrt ( nD ( j - i ) );    <span class="comment">//Fixme can be more general</span>
143<a name="l00111"></a>00111                 }
144<a name="l00112"></a>00112         }
145<a name="l00113"></a>00113
146<a name="l00115"></a>00115         <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a>&amp; <a class="code" href="classbdm_1_1chmat.html#a029a0997afc656fde0c73bbf7724aca9" title="Operators.">operator += </a>( <span class="keyword">const</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp;A2 );
147<a name="l00116"></a>00116         <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a>&amp; <a class="code" href="classbdm_1_1chmat.html#af1d0180fb795d38b8c352df2686ec5ba" title="mapping of negative add operation to operators">operator -= </a>( <span class="keyword">const</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp;A2 );
148<a name="l00117"></a>00117         <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a>&amp; operator * ( <span class="keyword">const</span> <span class="keywordtype">double</span> &amp;d ) {
149<a name="l00118"></a>00118                 <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a>*sqrt ( d );
150<a name="l00119"></a>00119                 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
151<a name="l00120"></a>00120         };
152<a name="l00121"></a>00121         chmat&amp; operator = ( <span class="keyword">const</span> chmat &amp;A2 ) {
153<a name="l00122"></a>00122                 <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> = A2.Ch;
154<a name="l00123"></a>00123                 <a class="code" href="classbdm_1_1sqmat.html#a05111b5744a494880e62cb0f3d42293f" title="dimension of the square matrix">dim</a> = A2.dim;
155<a name="l00124"></a>00124                 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
156<a name="l00125"></a>00125         }
157<a name="l00126"></a>00126         chmat&amp; operator *= ( <span class="keywordtype">double</span> x ) {
158<a name="l00127"></a>00127                 <a class="code" href="classbdm_1_1chmat.html#a3e4f39b1895a0a870f8db98329635223" title="Upper triangle of the cholesky matrix.">Ch</a> *= sqrt ( x );
159<a name="l00128"></a>00128                 <span class="keywordflow">return</span> *<span class="keyword">this</span>;
160<a name="l00129"></a>00129         };
161<a name="l00130"></a>00130 };
162<a name="l00131"></a>00131
163<a name="l00132"></a>00132
164<a name="l00135"></a><a class="code" href="classbdm_1_1chmat.html#a029a0997afc656fde0c73bbf7724aca9">00135</a> <span class="keyword">inline</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a>&amp; <a class="code" href="classbdm_1_1chmat.html#a029a0997afc656fde0c73bbf7724aca9" title="Operators.">chmat::operator += </a>( <span class="keyword">const</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp; A2 )  {
165<a name="l00136"></a>00136         this-&gt;<a class="code" href="classbdm_1_1chmat.html#a6b3d5b772f791fc7c5df544a418278c7" title="add another chmat A2 with weight w.">add</a> ( A2 );
166<a name="l00137"></a>00137         <span class="keywordflow">return</span> *<span class="keyword">this</span>;
167<a name="l00138"></a>00138 }
168<a name="l00140"></a><a class="code" href="classbdm_1_1chmat.html#af1d0180fb795d38b8c352df2686ec5ba">00140</a> <span class="keyword">inline</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a>&amp; <a class="code" href="classbdm_1_1chmat.html#af1d0180fb795d38b8c352df2686ec5ba" title="mapping of negative add operation to operators">chmat::operator -= </a>( <span class="keyword">const</span> <a class="code" href="classbdm_1_1chmat.html" title="Symmetric matrix stored in square root decomposition using upper cholesky.">chmat</a> &amp; A2 )  {
169<a name="l00141"></a>00141         this-&gt;<a class="code" href="classbdm_1_1chmat.html#a6b3d5b772f791fc7c5df544a418278c7" title="add another chmat A2 with weight w.">add</a> ( A2, -1.0 );
170<a name="l00142"></a>00142         <span class="keywordflow">return</span> *<span class="keyword">this</span>;
171<a name="l00143"></a>00143 }
172<a name="l00144"></a>00144
173<a name="l00145"></a>00145 }
174<a name="l00146"></a>00146
175<a name="l00147"></a>00147 <span class="preprocessor">#endif // CHMAT_H</span>
176</pre></div></div>
177<hr size="1"/><address style="text-align: right;"><small>Generated on Tue Sep 8 22:11:32 2009 for mixpp by&nbsp;
178<a href="http://www.doxygen.org/index.html">
179<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
180</body>
181</html>
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