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| 65 | <h1>svec.h</h1><a href="svec_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 |
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| 66 | <a name="l00029"></a>00029 <span class="preprocessor">#ifndef SVEC_H</span> |
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| 67 | <a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define SVEC_H</span> |
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| 68 | <a name="l00031"></a>00031 <span class="preprocessor"></span> |
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| 69 | <a name="l00032"></a>00032 <span class="preprocessor">#ifndef _MSC_VER</span> |
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| 70 | <a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor"># include <itpp/config.h></span> |
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| 71 | <a name="l00034"></a>00034 <span class="preprocessor">#else</span> |
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| 72 | <a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor"># include <itpp/config_msvc.h></span> |
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| 73 | <a name="l00036"></a>00036 <span class="preprocessor">#endif</span> |
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| 74 | <a name="l00037"></a>00037 <span class="preprocessor"></span> |
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| 75 | <a name="l00038"></a>00038 <span class="preprocessor">#include <<a class="code" href="vec_8h.html" title="Templated Vector Class Definitions.">itpp/base/vec.h</a>></span> |
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| 76 | <a name="l00039"></a>00039 <span class="preprocessor">#include <<a class="code" href="min__max_8h.html" title="Minimum and maximum functions on vectors and matrices.">itpp/base/math/min_max.h</a>></span> |
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| 77 | <a name="l00040"></a>00040 <span class="preprocessor">#include <cstdlib></span> |
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| 78 | <a name="l00041"></a>00041 |
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| 79 | <a name="l00042"></a>00042 |
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| 80 | <a name="l00043"></a>00043 <span class="keyword">namespace </span>itpp |
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| 81 | <a name="l00044"></a>00044 { |
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| 82 | <a name="l00045"></a>00045 |
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| 83 | <a name="l00046"></a>00046 <span class="comment">// Declaration of class Vec</span> |
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| 84 | <a name="l00047"></a>00047 <span class="keyword">template</span> <<span class="keyword">class</span> T> <span class="keyword">class </span>Vec; |
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| 85 | <a name="l00048"></a>00048 <span class="comment">// Declaration of class Sparse_Vec</span> |
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| 86 | <a name="l00049"></a>00049 <span class="keyword">template</span> <<span class="keyword">class</span> T> <span class="keyword">class </span>Sparse_Vec; |
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| 87 | <a name="l00050"></a>00050 |
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| 88 | <a name="l00051"></a>00051 <span class="comment">// ----------------------- Sparse_Vec Friends -------------------------------</span> |
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| 89 | <a name="l00052"></a>00052 |
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| 90 | <a name="l00054"></a>00054 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 91 | <a name="l00055"></a>00055 Sparse_Vec<T> <a class="code" href="group__fixed.html#g683d6c037357e472e84756fe1b1faae8" title="Fix + cfixmat.">operator+</a>(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2); |
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| 92 | <a name="l00056"></a>00056 |
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| 93 | <a name="l00058"></a>00058 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 94 | <a name="l00059"></a>00059 T <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2); |
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| 95 | <a name="l00060"></a>00060 |
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| 96 | <a name="l00062"></a>00062 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 97 | <a name="l00063"></a>00063 T <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Vec<T> &v2); |
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| 98 | <a name="l00064"></a>00064 |
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| 99 | <a name="l00066"></a>00066 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 100 | <a name="l00067"></a>00067 T <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2); |
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| 101 | <a name="l00068"></a>00068 |
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| 102 | <a name="l00070"></a>00070 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 103 | <a name="l00071"></a>00071 Sparse_Vec<T> elem_mult(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2); |
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| 104 | <a name="l00072"></a>00072 |
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| 105 | <a name="l00074"></a>00074 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 106 | <a name="l00075"></a>00075 Vec<T> elem_mult(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Vec<T> &v2); |
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| 107 | <a name="l00076"></a>00076 |
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| 108 | <a name="l00078"></a>00078 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 109 | <a name="l00079"></a>00079 Sparse_Vec<T> elem_mult_s(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Vec<T> &v2); |
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| 110 | <a name="l00080"></a>00080 |
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| 111 | <a name="l00082"></a>00082 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 112 | <a name="l00083"></a>00083 Vec<T> elem_mult(<span class="keyword">const</span> Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2); |
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| 113 | <a name="l00084"></a>00084 |
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| 114 | <a name="l00086"></a>00086 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 115 | <a name="l00087"></a>00087 Sparse_Vec<T> elem_mult_s(<span class="keyword">const</span> Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2); |
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| 116 | <a name="l00088"></a>00088 |
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| 117 | <a name="l00099"></a>00099 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
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| 118 | <a name="l00100"></a><a class="code" href="classitpp_1_1Sparse__Vec.html">00100</a> <span class="keyword">class </span><a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec</a> |
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| 119 | <a name="l00101"></a>00101 { |
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| 120 | <a name="l00102"></a>00102 <span class="keyword">public</span>: |
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| 121 | <a name="l00103"></a>00103 |
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| 122 | <a name="l00105"></a>00105 <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec</a>(); |
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| 123 | <a name="l00106"></a>00106 |
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| 124 | <a name="l00113"></a>00113 <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec</a>(<span class="keywordtype">int</span> sz, <span class="keywordtype">int</span> data_init = 200); |
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| 125 | <a name="l00114"></a>00114 |
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| 126 | <a name="l00120"></a>00120 <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v); |
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| 127 | <a name="l00121"></a>00121 |
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| 128 | <a name="l00127"></a>00127 <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v); |
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| 129 | <a name="l00128"></a>00128 |
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| 130 | <a name="l00134"></a>00134 <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v, T epsilon); |
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| 131 | <a name="l00135"></a>00135 |
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| 132 | <a name="l00137"></a>00137 <a class="code" href="classitpp_1_1Sparse__Vec.html#91654f6ae8be75ca792f8e6aea4195fc" title="Destructor.">~Sparse_Vec</a>(); |
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| 133 | <a name="l00138"></a>00138 |
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| 134 | <a name="l00145"></a>00145 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#1f542b437bdf9942b3f386ccc6e53577" title="Set the size sz of the sparse vector. Default value data_init=-1 =&gt; allocated...">set_size</a>(<span class="keywordtype">int</span> sz, <span class="keywordtype">int</span> data_init = -1); |
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| 135 | <a name="l00146"></a>00146 |
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| 136 | <a name="l00148"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#86a41d34d1d5a1dbfe778b6fe21bf98e">00148</a> <span class="keywordtype">int</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#86a41d34d1d5a1dbfe778b6fe21bf98e" title="Returns the size of the sparse vector.">size</a>()<span class="keyword"> const </span>{ <span class="keywordflow">return</span> v_size; } |
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| 137 | <a name="l00149"></a>00149 |
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| 138 | <a name="l00151"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#574eb67974100fb492067c16216dbefc">00151</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#574eb67974100fb492067c16216dbefc" title="Number of non-zero elements in the sparse vector.">nnz</a>() { |
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| 139 | <a name="l00152"></a>00152 <span class="keywordflow">if</span> (check_small_elems_flag) { |
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| 140 | <a name="l00153"></a>00153 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
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| 141 | <a name="l00154"></a>00154 } |
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| 142 | <a name="l00155"></a>00155 <span class="keywordflow">return</span> used_size; |
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| 143 | <a name="l00156"></a>00156 } |
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| 144 | <a name="l00157"></a>00157 |
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| 145 | <a name="l00159"></a>00159 <span class="keywordtype">double</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#9dcac972a88c8e86eb2b32794db4ab1a" title="Returns the density of the sparse vector: (number of non-zero elements)/(size of...">density</a>(); |
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| 146 | <a name="l00160"></a>00160 |
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| 147 | <a name="l00162"></a>00162 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#6f2ddfff6c73bf4afb024cb6502960ae" title="Set that all elements smaller than epsilon should be set to zero.">set_small_element</a>(<span class="keyword">const</span> T& epsilon); |
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| 148 | <a name="l00163"></a>00163 |
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| 149 | <a name="l00169"></a>00169 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
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| 150 | <a name="l00170"></a>00170 |
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| 151 | <a name="l00176"></a>00176 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(<span class="keywordtype">int</span> new_size); |
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| 152 | <a name="l00177"></a>00177 |
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| 153 | <a name="l00179"></a>00179 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#eecd9a99a1aef11b939ef9a5a329ee6e" title="Set the maximum number of non-zero elements equal to the actual number of non-zero...">compact</a>(); |
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| 154 | <a name="l00180"></a>00180 |
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| 155 | <a name="l00182"></a>00182 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#8918eae0c5c39b224912a6d3296a160f" title="Returns a full, dense vector.">full</a>(<a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v) <span class="keyword">const</span>; |
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| 156 | <a name="l00183"></a>00183 |
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| 157 | <a name="l00185"></a>00185 <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> <a class="code" href="classitpp_1_1Sparse__Vec.html#8918eae0c5c39b224912a6d3296a160f" title="Returns a full, dense vector.">full</a>() <span class="keyword">const</span>; |
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| 158 | <a name="l00186"></a>00186 |
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| 159 | <a name="l00188"></a>00188 T <a class="code" href="classitpp_1_1Sparse__Vec.html#7e9b425456f1df975b156eae385dc1f6" title="Returns the element with index i.">operator()</a>(<span class="keywordtype">int</span> i) <span class="keyword">const</span>; |
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| 160 | <a name="l00189"></a>00189 |
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| 161 | <a name="l00191"></a>00191 <span class="keywordtype">void</span> <span class="keyword">set</span>(<span class="keywordtype">int</span> i, T v); |
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| 162 | <a name="l00192"></a>00192 |
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| 163 | <a name="l00194"></a>00194 <span class="keywordtype">void</span> <span class="keyword">set</span>(<span class="keyword">const</span> ivec &index_vec, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v); |
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| 164 | <a name="l00195"></a>00195 |
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| 165 | <a name="l00197"></a>00197 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#55adfb73da94ec8e567270d344d17555" title="Set a new element with index i equal to v.">set_new</a>(<span class="keywordtype">int</span> i, T v); |
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| 166 | <a name="l00198"></a>00198 |
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| 167 | <a name="l00200"></a>00200 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#55adfb73da94ec8e567270d344d17555" title="Set a new element with index i equal to v.">set_new</a>(<span class="keyword">const</span> ivec &index_vec, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v); |
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| 168 | <a name="l00201"></a>00201 |
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| 169 | <a name="l00203"></a>00203 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#63b4e493346887db93f25b40f7352b91" title="Add element i with v.">add_elem</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> i, <span class="keyword">const</span> T v); |
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| 170 | <a name="l00204"></a>00204 |
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| 171 | <a name="l00206"></a>00206 <span class="keywordtype">void</span> <span class="keyword">add</span>(<span class="keyword">const</span> ivec &index_vec, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v); |
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| 172 | <a name="l00207"></a>00207 |
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| 173 | <a name="l00209"></a>00209 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#259ac11b4eec8a9b76d14777edcdf941" title="Set the sparse vector to the all zero vector (removes all non-zero elements).">zeros</a>(); |
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| 174 | <a name="l00210"></a>00210 |
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| 175 | <a name="l00212"></a>00212 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#7f28c432a7166b661834b6ddfa0aefc4" title="Set the i-th element to zero (i.e. clear that element if it contains a non-zero value)...">zero_elem</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> i); |
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| 176 | <a name="l00213"></a>00213 |
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| 177 | <a name="l00215"></a>00215 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#e48f0bf68cfa0d2c8700952585e0c8eb" title="Clear all non-zero elements of the sparse vector.">clear</a>(); |
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| 178 | <a name="l00216"></a>00216 |
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| 179 | <a name="l00218"></a>00218 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#7e9f5693f6b709ddf7367b7e4b846f07" title="Clear the i-th element (if it contains a non-zero value).">clear_elem</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> i); |
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| 180 | <a name="l00219"></a>00219 |
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| 181 | <a name="l00223"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#992d661ff475547dde7167b11a2623df">00223</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#992d661ff475547dde7167b11a2623df" title="Extract the reference to the p-th non-zero data element.">get_nz_data</a>(<span class="keywordtype">int</span> p, T& data_out) { |
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| 182 | <a name="l00224"></a>00224 <span class="keywordflow">if</span> (check_small_elems_flag) { |
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| 183 | <a name="l00225"></a>00225 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
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| 184 | <a name="l00226"></a>00226 } |
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| 185 | <a name="l00227"></a>00227 data_out = data[p]; |
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| 186 | <a name="l00228"></a>00228 } |
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| 187 | <a name="l00229"></a>00229 |
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| 188 | <a name="l00231"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#48b6acd9fe36985f92b8746be784f2ec">00231</a> <span class="keyword">inline</span> T <a class="code" href="classitpp_1_1Sparse__Vec.html#48b6acd9fe36985f92b8746be784f2ec" title="Returns the p-th non-zero data element.">get_nz_data</a>(<span class="keywordtype">int</span> p) { |
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| 189 | <a name="l00232"></a>00232 <span class="keywordflow">if</span> (check_small_elems_flag) { |
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| 190 | <a name="l00233"></a>00233 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
---|
| 191 | <a name="l00234"></a>00234 } |
---|
| 192 | <a name="l00235"></a>00235 <span class="keywordflow">return</span> data[p]; |
---|
| 193 | <a name="l00236"></a>00236 } |
---|
| 194 | <a name="l00237"></a>00237 |
---|
| 195 | <a name="l00239"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#a86f06c01f042925d6b8005b26bd6b0b">00239</a> <span class="keyword">inline</span> <span class="keywordtype">int</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#a86f06c01f042925d6b8005b26bd6b0b" title="Returns the vector index of the p-th non-zero element.">get_nz_index</a>(<span class="keywordtype">int</span> p) { |
---|
| 196 | <a name="l00240"></a>00240 <span class="keywordflow">if</span> (check_small_elems_flag) { |
---|
| 197 | <a name="l00241"></a>00241 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
---|
| 198 | <a name="l00242"></a>00242 } |
---|
| 199 | <a name="l00243"></a>00243 <span class="keywordflow">return</span> index[p]; |
---|
| 200 | <a name="l00244"></a>00244 } |
---|
| 201 | <a name="l00245"></a>00245 |
---|
| 202 | <a name="l00247"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#bc9847c443a80c136306daeca1fdc3bf">00247</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#bc9847c443a80c136306daeca1fdc3bf" title="Returns the p-th non-zero value in dat and the corresponding vector index in idx...">get_nz</a>(<span class="keywordtype">int</span> p, <span class="keywordtype">int</span> &idx, T &dat) { |
---|
| 203 | <a name="l00248"></a>00248 <span class="keywordflow">if</span> (check_small_elems_flag) { |
---|
| 204 | <a name="l00249"></a>00249 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
---|
| 205 | <a name="l00250"></a>00250 } |
---|
| 206 | <a name="l00251"></a>00251 idx = index[p]; |
---|
| 207 | <a name="l00252"></a>00252 dat = data[p]; |
---|
| 208 | <a name="l00253"></a>00253 } |
---|
| 209 | <a name="l00254"></a>00254 |
---|
| 210 | <a name="l00256"></a>00256 ivec <a class="code" href="classitpp_1_1Sparse__Vec.html#52046b9bcd75e1fda1d745e9dbc4f8e7" title="Return the indices of non-zero values.">get_nz_indices</a>(); |
---|
| 211 | <a name="l00257"></a>00257 |
---|
| 212 | <a name="l00259"></a>00259 <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> <a class="code" href="classitpp_1_1Sparse__Vec.html#4d5f4ce3ee456b4623b995df6bbe19b5" title="Return sparse subvector from index i1 to index i2.">get_subvector</a>(<span class="keywordtype">int</span> i1, <span class="keywordtype">int</span> i2) <span class="keyword">const</span>; |
---|
| 213 | <a name="l00260"></a>00260 |
---|
| 214 | <a name="l00262"></a>00262 T <a class="code" href="classitpp_1_1Sparse__Vec.html#e3dbd58f2a416f2cf9b515e8e91fc95b" title="Returns the sum of all values squared.">sqr</a>() <span class="keyword">const</span>; |
---|
| 215 | <a name="l00263"></a>00263 |
---|
| 216 | <a name="l00265"></a>00265 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#c4ef932d3ed56cba68c8b0ecb7ba278b" title="Assign sparse vector the value and length of the sparse vector v.">operator=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v); |
---|
| 217 | <a name="l00267"></a>00267 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#c4ef932d3ed56cba68c8b0ecb7ba278b" title="Assign sparse vector the value and length of the sparse vector v.">operator=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v); |
---|
| 218 | <a name="l00268"></a>00268 |
---|
| 219 | <a name="l00270"></a>00270 <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> <a class="code" href="classitpp_1_1Sparse__Vec.html#db64167ef8f7b46cc6a8b3f2d72a549f" title="Returns the sign inverse of all elements in the sparse vector.">operator-</a>() <span class="keyword">const</span>; |
---|
| 220 | <a name="l00271"></a>00271 |
---|
| 221 | <a name="l00273"></a>00273 <span class="keywordtype">bool</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#4a2d2a7bea045243c796d91cfb390a13" title="Compare two sparse vectors. False if wrong sizes or different values.">operator==</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v); |
---|
| 222 | <a name="l00274"></a>00274 |
---|
| 223 | <a name="l00276"></a>00276 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#f801cdfc077c286c2fb4079239ac11d1" title="Add sparse vector v to all non-zero elements of the sparse vector.">operator+=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v); |
---|
| 224 | <a name="l00277"></a>00277 |
---|
| 225 | <a name="l00279"></a>00279 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#f801cdfc077c286c2fb4079239ac11d1" title="Add sparse vector v to all non-zero elements of the sparse vector.">operator+=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v); |
---|
| 226 | <a name="l00280"></a>00280 |
---|
| 227 | <a name="l00282"></a>00282 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#6e6425041822cfa30871bae71ede7df4" title="Subtract sparse vector v from all non-zero elements of the sparse vector.">operator-=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v); |
---|
| 228 | <a name="l00283"></a>00283 |
---|
| 229 | <a name="l00285"></a>00285 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#6e6425041822cfa30871bae71ede7df4" title="Subtract sparse vector v from all non-zero elements of the sparse vector.">operator-=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v); |
---|
| 230 | <a name="l00286"></a>00286 |
---|
| 231 | <a name="l00288"></a>00288 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#70ed1fcb5802f4bd60009ed198c49c20" title="Multiply the scalar v to all non-zero elements of the sparse vector.">operator*=</a>(<span class="keyword">const</span> T &v); |
---|
| 232 | <a name="l00289"></a>00289 |
---|
| 233 | <a name="l00291"></a>00291 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#16a5b698293b1e9ea3b79d4c5ce58934" title="Divide all non-zero elements of the sparse vector with the scalar v.">operator/=</a>(<span class="keyword">const</span> T &v); |
---|
| 234 | <a name="l00292"></a>00292 |
---|
| 235 | <a name="l00294"></a>00294 <span class="keyword">friend</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> operator+<>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v2); |
---|
| 236 | <a name="l00296"></a>00296 <span class="keyword">friend</span> T operator*<>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v2); |
---|
| 237 | <a name="l00298"></a>00298 <span class="keyword">friend</span> T operator*<>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v2); |
---|
| 238 | <a name="l00300"></a>00300 <span class="keyword">friend</span> T operator*<>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v2); |
---|
| 239 | <a name="l00301"></a>00301 |
---|
| 240 | <a name="l00303"></a>00303 <span class="keyword">friend</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> elem_mult <>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v2); |
---|
| 241 | <a name="l00304"></a>00304 |
---|
| 242 | <a name="l00306"></a>00306 <span class="keyword">friend</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> elem_mult <>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v2); |
---|
| 243 | <a name="l00307"></a>00307 |
---|
| 244 | <a name="l00309"></a>00309 <span class="keyword">friend</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> elem_mult_s <>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v2); |
---|
| 245 | <a name="l00310"></a>00310 |
---|
| 246 | <a name="l00312"></a>00312 <span class="keyword">friend</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> elem_mult <>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v2); |
---|
| 247 | <a name="l00313"></a>00313 |
---|
| 248 | <a name="l00315"></a>00315 <span class="keyword">friend</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> elem_mult_s <>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v2); |
---|
| 249 | <a name="l00316"></a>00316 |
---|
| 250 | <a name="l00317"></a>00317 <span class="keyword">private</span>: |
---|
| 251 | <a name="l00318"></a>00318 <span class="keywordtype">void</span> init(); |
---|
| 252 | <a name="l00319"></a>00319 <span class="keywordtype">void</span> alloc(); |
---|
| 253 | <a name="l00320"></a>00320 <span class="keywordtype">void</span> free(); |
---|
| 254 | <a name="l00321"></a>00321 |
---|
| 255 | <a name="l00322"></a>00322 <span class="keywordtype">int</span> v_size, used_size, data_size; |
---|
| 256 | <a name="l00323"></a>00323 T *data; |
---|
| 257 | <a name="l00324"></a>00324 <span class="keywordtype">int</span> *index; |
---|
| 258 | <a name="l00325"></a>00325 T eps; |
---|
| 259 | <a name="l00326"></a>00326 <span class="keywordtype">bool</span> check_small_elems_flag; |
---|
| 260 | <a name="l00327"></a>00327 }; |
---|
| 261 | <a name="l00328"></a>00328 |
---|
| 262 | <a name="l00329"></a>00329 |
---|
| 263 | <a name="l00334"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#9c7a34f62113a49ebdb45be6766d9b68">00334</a> <span class="keyword">typedef</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<int></a> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">sparse_ivec</a>; |
---|
| 264 | <a name="l00335"></a>00335 |
---|
| 265 | <a name="l00340"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#fcc678091b4abbce7fc2cabb44366195">00340</a> <span class="keyword">typedef</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<double></a> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">sparse_vec</a>; |
---|
| 266 | <a name="l00341"></a>00341 |
---|
| 267 | <a name="l00346"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#a91a51f05c91ecbac0568b57d07b20ef">00346</a> <span class="keyword">typedef</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<std::complex<double></a> > <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">sparse_cvec</a>; |
---|
| 268 | <a name="l00347"></a>00347 |
---|
| 269 | <a name="l00348"></a>00348 <span class="comment">// ----------------------- Implementation starts here --------------------------------</span> |
---|
| 270 | <a name="l00349"></a>00349 |
---|
| 271 | <a name="l00350"></a>00350 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 272 | <a name="l00351"></a>00351 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T>::init</a>() |
---|
| 273 | <a name="l00352"></a>00352 { |
---|
| 274 | <a name="l00353"></a>00353 v_size = 0; |
---|
| 275 | <a name="l00354"></a>00354 used_size = 0; |
---|
| 276 | <a name="l00355"></a>00355 data_size = 0; |
---|
| 277 | <a name="l00356"></a>00356 data = 0; |
---|
| 278 | <a name="l00357"></a>00357 index = 0; |
---|
| 279 | <a name="l00358"></a>00358 eps = 0; |
---|
| 280 | <a name="l00359"></a>00359 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 281 | <a name="l00360"></a>00360 } |
---|
| 282 | <a name="l00361"></a>00361 |
---|
| 283 | <a name="l00362"></a>00362 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 284 | <a name="l00363"></a>00363 <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T>::alloc</a>() |
---|
| 285 | <a name="l00364"></a>00364 { |
---|
| 286 | <a name="l00365"></a>00365 <span class="keywordflow">if</span> (data_size != 0) { |
---|
| 287 | <a name="l00366"></a>00366 data = <span class="keyword">new</span> T[data_size]; |
---|
| 288 | <a name="l00367"></a>00367 index = <span class="keyword">new</span> <span class="keywordtype">int</span>[data_size]; |
---|
| 289 | <a name="l00368"></a>00368 } |
---|
| 290 | <a name="l00369"></a>00369 } |
---|
| 291 | <a name="l00370"></a>00370 |
---|
| 292 | <a name="l00371"></a>00371 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 293 | <a name="l00372"></a>00372 <span class="keywordtype">void</span> Sparse_Vec<T>::free() |
---|
| 294 | <a name="l00373"></a>00373 { |
---|
| 295 | <a name="l00374"></a>00374 <span class="keyword">delete</span> [] data; |
---|
| 296 | <a name="l00375"></a>00375 data = 0; |
---|
| 297 | <a name="l00376"></a>00376 <span class="keyword">delete</span> [] index; |
---|
| 298 | <a name="l00377"></a>00377 index = 0; |
---|
| 299 | <a name="l00378"></a>00378 } |
---|
| 300 | <a name="l00379"></a>00379 |
---|
| 301 | <a name="l00380"></a>00380 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 302 | <a name="l00381"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a">00381</a> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T>::Sparse_Vec</a>() |
---|
| 303 | <a name="l00382"></a>00382 { |
---|
| 304 | <a name="l00383"></a>00383 init(); |
---|
| 305 | <a name="l00384"></a>00384 } |
---|
| 306 | <a name="l00385"></a>00385 |
---|
| 307 | <a name="l00386"></a>00386 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 308 | <a name="l00387"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#a0abee3a9c045d3093fb1becc3a4be32">00387</a> <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec<T>::Sparse_Vec</a>(<span class="keywordtype">int</span> sz, <span class="keywordtype">int</span> data_init) |
---|
| 309 | <a name="l00388"></a>00388 { |
---|
| 310 | <a name="l00389"></a>00389 init(); |
---|
| 311 | <a name="l00390"></a>00390 v_size = sz; |
---|
| 312 | <a name="l00391"></a>00391 used_size = 0; |
---|
| 313 | <a name="l00392"></a>00392 data_size = data_init; |
---|
| 314 | <a name="l00393"></a>00393 alloc(); |
---|
| 315 | <a name="l00394"></a>00394 } |
---|
| 316 | <a name="l00395"></a>00395 |
---|
| 317 | <a name="l00396"></a>00396 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 318 | <a name="l00397"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#9fd90c90b73ec0d6a92a641f3c7dcc23">00397</a> <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec<T>::Sparse_Vec</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v) |
---|
| 319 | <a name="l00398"></a>00398 { |
---|
| 320 | <a name="l00399"></a>00399 init(); |
---|
| 321 | <a name="l00400"></a>00400 v_size = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#56544763039cddac697f85e0c93b0cae">v_size</a>; |
---|
| 322 | <a name="l00401"></a>00401 used_size = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>; |
---|
| 323 | <a name="l00402"></a>00402 data_size = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#e42b4bbb568b40f0fc892fe50fefb39b">data_size</a>; |
---|
| 324 | <a name="l00403"></a>00403 eps = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#a04529ad0bd986d655c9a3a60a8f75cc">eps</a>; |
---|
| 325 | <a name="l00404"></a>00404 check_small_elems_flag = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#555c9755a92011a2fdcfb66a6dfe3186">check_small_elems_flag</a>; |
---|
| 326 | <a name="l00405"></a>00405 alloc(); |
---|
| 327 | <a name="l00406"></a>00406 |
---|
| 328 | <a name="l00407"></a>00407 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < used_size; i++) { |
---|
| 329 | <a name="l00408"></a>00408 data[i] = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[i]; |
---|
| 330 | <a name="l00409"></a>00409 index[i] = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[i]; |
---|
| 331 | <a name="l00410"></a>00410 } |
---|
| 332 | <a name="l00411"></a>00411 } |
---|
| 333 | <a name="l00412"></a>00412 |
---|
| 334 | <a name="l00413"></a>00413 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 335 | <a name="l00414"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#cafcd2a02b1c37ffb519b02afcff2e25">00414</a> <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec<T>::Sparse_Vec</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v) |
---|
| 336 | <a name="l00415"></a>00415 { |
---|
| 337 | <a name="l00416"></a>00416 init(); |
---|
| 338 | <a name="l00417"></a>00417 v_size = v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(); |
---|
| 339 | <a name="l00418"></a>00418 used_size = 0; |
---|
| 340 | <a name="l00419"></a>00419 data_size = <a class="code" href="group__protocol.html#g27dde5be5aac902c0de838b4b872cd2f" title="ADD DOCUMENTATION HERE.">std::min</a>(v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(), 10000); |
---|
| 341 | <a name="l00420"></a>00420 alloc(); |
---|
| 342 | <a name="l00421"></a>00421 |
---|
| 343 | <a name="l00422"></a>00422 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < v_size; i++) { |
---|
| 344 | <a name="l00423"></a>00423 <span class="keywordflow">if</span> (v(i) != T(0)) { |
---|
| 345 | <a name="l00424"></a>00424 <span class="keywordflow">if</span> (used_size == data_size) |
---|
| 346 | <a name="l00425"></a>00425 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(data_size*2); |
---|
| 347 | <a name="l00426"></a>00426 data[used_size] = v(i); |
---|
| 348 | <a name="l00427"></a>00427 index[used_size] = i; |
---|
| 349 | <a name="l00428"></a>00428 used_size++; |
---|
| 350 | <a name="l00429"></a>00429 } |
---|
| 351 | <a name="l00430"></a>00430 } |
---|
| 352 | <a name="l00431"></a>00431 <a class="code" href="classitpp_1_1Sparse__Vec.html#eecd9a99a1aef11b939ef9a5a329ee6e" title="Set the maximum number of non-zero elements equal to the actual number of non-zero...">compact</a>(); |
---|
| 353 | <a name="l00432"></a>00432 } |
---|
| 354 | <a name="l00433"></a>00433 |
---|
| 355 | <a name="l00434"></a>00434 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 356 | <a name="l00435"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#11808d0c9a62f8a68707567efe82e19f">00435</a> <a class="code" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a" title="Default constructor.">Sparse_Vec<T>::Sparse_Vec</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v, T epsilon) |
---|
| 357 | <a name="l00436"></a>00436 { |
---|
| 358 | <a name="l00437"></a>00437 init(); |
---|
| 359 | <a name="l00438"></a>00438 v_size = v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(); |
---|
| 360 | <a name="l00439"></a>00439 used_size = 0; |
---|
| 361 | <a name="l00440"></a>00440 data_size = <a class="code" href="group__protocol.html#g27dde5be5aac902c0de838b4b872cd2f" title="ADD DOCUMENTATION HERE.">std::min</a>(v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(), 10000); |
---|
| 362 | <a name="l00441"></a>00441 eps = epsilon; |
---|
| 363 | <a name="l00442"></a>00442 alloc(); |
---|
| 364 | <a name="l00443"></a>00443 |
---|
| 365 | <a name="l00444"></a>00444 <span class="keywordtype">double</span> e = <a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(epsilon); |
---|
| 366 | <a name="l00445"></a>00445 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < v_size; i++) { |
---|
| 367 | <a name="l00446"></a>00446 <span class="keywordflow">if</span> (<a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(v(i)) > e) { |
---|
| 368 | <a name="l00447"></a>00447 <span class="keywordflow">if</span> (used_size == data_size) |
---|
| 369 | <a name="l00448"></a>00448 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(data_size*2); |
---|
| 370 | <a name="l00449"></a>00449 data[used_size] = v(i); |
---|
| 371 | <a name="l00450"></a>00450 index[used_size] = i; |
---|
| 372 | <a name="l00451"></a>00451 used_size++; |
---|
| 373 | <a name="l00452"></a>00452 } |
---|
| 374 | <a name="l00453"></a>00453 } |
---|
| 375 | <a name="l00454"></a>00454 <a class="code" href="classitpp_1_1Sparse__Vec.html#eecd9a99a1aef11b939ef9a5a329ee6e" title="Set the maximum number of non-zero elements equal to the actual number of non-zero...">compact</a>(); |
---|
| 376 | <a name="l00455"></a>00455 } |
---|
| 377 | <a name="l00456"></a>00456 |
---|
| 378 | <a name="l00457"></a>00457 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 379 | <a name="l00458"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#91654f6ae8be75ca792f8e6aea4195fc">00458</a> <a class="code" href="classitpp_1_1Sparse__Vec.html#91654f6ae8be75ca792f8e6aea4195fc" title="Destructor.">Sparse_Vec<T>::~Sparse_Vec</a>() |
---|
| 380 | <a name="l00459"></a>00459 { |
---|
| 381 | <a name="l00460"></a>00460 free(); |
---|
| 382 | <a name="l00461"></a>00461 } |
---|
| 383 | <a name="l00462"></a>00462 |
---|
| 384 | <a name="l00463"></a>00463 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 385 | <a name="l00464"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#1f542b437bdf9942b3f386ccc6e53577">00464</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#1f542b437bdf9942b3f386ccc6e53577" title="Set the size sz of the sparse vector. Default value data_init=-1 =&gt; allocated...">Sparse_Vec<T>::set_size</a>(<span class="keywordtype">int</span> new_size, <span class="keywordtype">int</span> data_init) |
---|
| 386 | <a name="l00465"></a>00465 { |
---|
| 387 | <a name="l00466"></a>00466 v_size = new_size; |
---|
| 388 | <a name="l00467"></a>00467 used_size = 0; |
---|
| 389 | <a name="l00468"></a>00468 <span class="keywordflow">if</span> (data_init != -1) { |
---|
| 390 | <a name="l00469"></a>00469 free(); |
---|
| 391 | <a name="l00470"></a>00470 data_size = data_init; |
---|
| 392 | <a name="l00471"></a>00471 alloc(); |
---|
| 393 | <a name="l00472"></a>00472 } |
---|
| 394 | <a name="l00473"></a>00473 } |
---|
| 395 | <a name="l00474"></a>00474 |
---|
| 396 | <a name="l00475"></a>00475 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 397 | <a name="l00476"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#9dcac972a88c8e86eb2b32794db4ab1a">00476</a> <span class="keywordtype">double</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#9dcac972a88c8e86eb2b32794db4ab1a" title="Returns the density of the sparse vector: (number of non-zero elements)/(size of...">Sparse_Vec<T>::density</a>() |
---|
| 398 | <a name="l00477"></a>00477 { |
---|
| 399 | <a name="l00478"></a>00478 <span class="keywordflow">if</span> (check_small_elems_flag) { |
---|
| 400 | <a name="l00479"></a>00479 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
---|
| 401 | <a name="l00480"></a>00480 } |
---|
| 402 | <a name="l00481"></a>00481 <span class="comment">//return static_cast<double>(used_size) / v_size;</span> |
---|
| 403 | <a name="l00482"></a>00482 <span class="keywordflow">return</span> double(used_size) / v_size; |
---|
| 404 | <a name="l00483"></a>00483 } |
---|
| 405 | <a name="l00484"></a>00484 |
---|
| 406 | <a name="l00485"></a>00485 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 407 | <a name="l00486"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#6f2ddfff6c73bf4afb024cb6502960ae">00486</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#6f2ddfff6c73bf4afb024cb6502960ae" title="Set that all elements smaller than epsilon should be set to zero.">Sparse_Vec<T>::set_small_element</a>(<span class="keyword">const</span> T& epsilon) |
---|
| 408 | <a name="l00487"></a>00487 { |
---|
| 409 | <a name="l00488"></a>00488 eps = epsilon; |
---|
| 410 | <a name="l00489"></a>00489 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
---|
| 411 | <a name="l00490"></a>00490 } |
---|
| 412 | <a name="l00491"></a>00491 |
---|
| 413 | <a name="l00492"></a>00492 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 414 | <a name="l00493"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">00493</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">Sparse_Vec<T>::remove_small_elements</a>() |
---|
| 415 | <a name="l00494"></a>00494 { |
---|
| 416 | <a name="l00495"></a>00495 <span class="keywordtype">int</span> i; |
---|
| 417 | <a name="l00496"></a>00496 <span class="keywordtype">int</span> nrof_removed_elements = 0; |
---|
| 418 | <a name="l00497"></a>00497 <span class="keywordtype">double</span> e; |
---|
| 419 | <a name="l00498"></a>00498 |
---|
| 420 | <a name="l00499"></a>00499 <span class="comment">//Remove small elements</span> |
---|
| 421 | <a name="l00500"></a>00500 e = <a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(eps); |
---|
| 422 | <a name="l00501"></a>00501 <span class="keywordflow">for</span> (i = 0;i < used_size;i++) { |
---|
| 423 | <a name="l00502"></a>00502 <span class="keywordflow">if</span> (<a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(data[i]) <= e) { |
---|
| 424 | <a name="l00503"></a>00503 nrof_removed_elements++; |
---|
| 425 | <a name="l00504"></a>00504 } |
---|
| 426 | <a name="l00505"></a>00505 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (nrof_removed_elements > 0) { |
---|
| 427 | <a name="l00506"></a>00506 data[i-nrof_removed_elements] = data[i]; |
---|
| 428 | <a name="l00507"></a>00507 index[i-nrof_removed_elements] = index[i]; |
---|
| 429 | <a name="l00508"></a>00508 } |
---|
| 430 | <a name="l00509"></a>00509 } |
---|
| 431 | <a name="l00510"></a>00510 |
---|
| 432 | <a name="l00511"></a>00511 <span class="comment">//Set new size after small elements have been removed</span> |
---|
| 433 | <a name="l00512"></a>00512 used_size -= nrof_removed_elements; |
---|
| 434 | <a name="l00513"></a>00513 |
---|
| 435 | <a name="l00514"></a>00514 <span class="comment">//Set the flag to indicate that all small elements have been removed</span> |
---|
| 436 | <a name="l00515"></a>00515 check_small_elems_flag = <span class="keyword">false</span>; |
---|
| 437 | <a name="l00516"></a>00516 } |
---|
| 438 | <a name="l00517"></a>00517 |
---|
| 439 | <a name="l00518"></a>00518 |
---|
| 440 | <a name="l00519"></a>00519 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 441 | <a name="l00520"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073">00520</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">Sparse_Vec<T>::resize_data</a>(<span class="keywordtype">int</span> new_size) |
---|
| 442 | <a name="l00521"></a>00521 { |
---|
| 443 | <a name="l00522"></a>00522 <a class="code" href="group__errorhandlingfunc.html#gd5c34b291e5018534fd2344486e2b5a1" title="Abort if t is not true.">it_assert</a>(new_size >= used_size, <span class="stringliteral">"Sparse_Vec<T>::resize_data(int new_size): New size is to small"</span>); |
---|
| 444 | <a name="l00523"></a>00523 |
---|
| 445 | <a name="l00524"></a>00524 <span class="keywordflow">if</span> (new_size != data_size) { |
---|
| 446 | <a name="l00525"></a>00525 <span class="keywordflow">if</span> (new_size == 0) |
---|
| 447 | <a name="l00526"></a>00526 free(); |
---|
| 448 | <a name="l00527"></a>00527 <span class="keywordflow">else</span> { |
---|
| 449 | <a name="l00528"></a>00528 T *tmp_data = data; |
---|
| 450 | <a name="l00529"></a>00529 <span class="keywordtype">int</span> *tmp_pos = index; |
---|
| 451 | <a name="l00530"></a>00530 data_size = new_size; |
---|
| 452 | <a name="l00531"></a>00531 alloc(); |
---|
| 453 | <a name="l00532"></a>00532 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p < used_size; p++) { |
---|
| 454 | <a name="l00533"></a>00533 data[p] = tmp_data[p]; |
---|
| 455 | <a name="l00534"></a>00534 index[p] = tmp_pos[p]; |
---|
| 456 | <a name="l00535"></a>00535 } |
---|
| 457 | <a name="l00536"></a>00536 <span class="keyword">delete</span> [] tmp_data; |
---|
| 458 | <a name="l00537"></a>00537 <span class="keyword">delete</span> [] tmp_pos; |
---|
| 459 | <a name="l00538"></a>00538 } |
---|
| 460 | <a name="l00539"></a>00539 } |
---|
| 461 | <a name="l00540"></a>00540 } |
---|
| 462 | <a name="l00541"></a>00541 |
---|
| 463 | <a name="l00542"></a>00542 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 464 | <a name="l00543"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#eecd9a99a1aef11b939ef9a5a329ee6e">00543</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#eecd9a99a1aef11b939ef9a5a329ee6e" title="Set the maximum number of non-zero elements equal to the actual number of non-zero...">Sparse_Vec<T>::compact</a>() |
---|
| 465 | <a name="l00544"></a>00544 { |
---|
| 466 | <a name="l00545"></a>00545 <span class="keywordflow">if</span> (check_small_elems_flag) { |
---|
| 467 | <a name="l00546"></a>00546 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
---|
| 468 | <a name="l00547"></a>00547 } |
---|
| 469 | <a name="l00548"></a>00548 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(used_size); |
---|
| 470 | <a name="l00549"></a>00549 } |
---|
| 471 | <a name="l00550"></a>00550 |
---|
| 472 | <a name="l00551"></a>00551 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 473 | <a name="l00552"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#abb60df924a9f3ad266c24c4da4787ed">00552</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#8918eae0c5c39b224912a6d3296a160f" title="Returns a full, dense vector.">Sparse_Vec<T>::full</a>(<a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v)<span class="keyword"> const</span> |
---|
| 474 | <a name="l00553"></a>00553 <span class="keyword"></span>{ |
---|
| 475 | <a name="l00554"></a>00554 v.<a class="code" href="classitpp_1_1Vec.html#a4b02b7819e540bb3853c15e6480ada6" title="Set length of vector. if copy = true then keeping the old values.">set_size</a>(v_size); |
---|
| 476 | <a name="l00555"></a>00555 |
---|
| 477 | <a name="l00556"></a>00556 v = T(0); |
---|
| 478 | <a name="l00557"></a>00557 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p < used_size; p++) |
---|
| 479 | <a name="l00558"></a>00558 v(index[p]) = data[p]; |
---|
| 480 | <a name="l00559"></a>00559 } |
---|
| 481 | <a name="l00560"></a>00560 |
---|
| 482 | <a name="l00561"></a>00561 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 483 | <a name="l00562"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#8918eae0c5c39b224912a6d3296a160f">00562</a> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> <a class="code" href="classitpp_1_1Sparse__Vec.html#8918eae0c5c39b224912a6d3296a160f" title="Returns a full, dense vector.">Sparse_Vec<T>::full</a>()<span class="keyword"> const</span> |
---|
| 484 | <a name="l00563"></a>00563 <span class="keyword"></span>{ |
---|
| 485 | <a name="l00564"></a>00564 <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> r(v_size); |
---|
| 486 | <a name="l00565"></a>00565 <a class="code" href="classitpp_1_1Sparse__Vec.html#8918eae0c5c39b224912a6d3296a160f" title="Returns a full, dense vector.">full</a>(r); |
---|
| 487 | <a name="l00566"></a>00566 <span class="keywordflow">return</span> r; |
---|
| 488 | <a name="l00567"></a>00567 } |
---|
| 489 | <a name="l00568"></a>00568 |
---|
| 490 | <a name="l00569"></a>00569 <span class="comment">// This is slow. Implement a better search</span> |
---|
| 491 | <a name="l00570"></a>00570 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 492 | <a name="l00571"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#7e9b425456f1df975b156eae385dc1f6">00571</a> T <a class="code" href="classitpp_1_1Sparse__Vec.html#7e9b425456f1df975b156eae385dc1f6" title="Returns the element with index i.">Sparse_Vec<T>::operator()</a>(<span class="keywordtype">int</span> i)<span class="keyword"> const</span> |
---|
| 493 | <a name="l00572"></a>00572 <span class="keyword"></span>{ |
---|
| 494 | <a name="l00573"></a>00573 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(i >= 0 && i < v_size, <span class="stringliteral">"The index of the element is out of range"</span>); |
---|
| 495 | <a name="l00574"></a>00574 |
---|
| 496 | <a name="l00575"></a>00575 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>; |
---|
| 497 | <a name="l00576"></a>00576 <span class="keywordtype">int</span> p; |
---|
| 498 | <a name="l00577"></a>00577 <span class="keywordflow">for</span> (p = 0; p < used_size; p++) { |
---|
| 499 | <a name="l00578"></a>00578 <span class="keywordflow">if</span> (index[p] == i) { |
---|
| 500 | <a name="l00579"></a>00579 found = <span class="keyword">true</span>; |
---|
| 501 | <a name="l00580"></a>00580 <span class="keywordflow">break</span>; |
---|
| 502 | <a name="l00581"></a>00581 } |
---|
| 503 | <a name="l00582"></a>00582 } |
---|
| 504 | <a name="l00583"></a>00583 <span class="keywordflow">return</span> found ? data[p] : T(0); |
---|
| 505 | <a name="l00584"></a>00584 } |
---|
| 506 | <a name="l00585"></a>00585 |
---|
| 507 | <a name="l00586"></a>00586 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 508 | <a name="l00587"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#080a7186e61140cdc739201bfcb60934">00587</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#080a7186e61140cdc739201bfcb60934" title="Set element i equal to v.">Sparse_Vec<T>::set</a>(<span class="keywordtype">int</span> i, T v) |
---|
| 509 | <a name="l00588"></a>00588 { |
---|
| 510 | <a name="l00589"></a>00589 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(i >= 0 && i < v_size, <span class="stringliteral">"The index of the element is out of range"</span>); |
---|
| 511 | <a name="l00590"></a>00590 |
---|
| 512 | <a name="l00591"></a>00591 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>; |
---|
| 513 | <a name="l00592"></a>00592 <span class="keywordtype">bool</span> larger_than_eps; |
---|
| 514 | <a name="l00593"></a>00593 <span class="keywordtype">int</span> p; |
---|
| 515 | <a name="l00594"></a>00594 |
---|
| 516 | <a name="l00595"></a>00595 <span class="keywordflow">for</span> (p = 0; p < used_size; p++) { |
---|
| 517 | <a name="l00596"></a>00596 <span class="keywordflow">if</span> (index[p] == i) { |
---|
| 518 | <a name="l00597"></a>00597 found = <span class="keyword">true</span>; |
---|
| 519 | <a name="l00598"></a>00598 <span class="keywordflow">break</span>; |
---|
| 520 | <a name="l00599"></a>00599 } |
---|
| 521 | <a name="l00600"></a>00600 } |
---|
| 522 | <a name="l00601"></a>00601 |
---|
| 523 | <a name="l00602"></a>00602 larger_than_eps = (<a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(v) > <a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(eps)); |
---|
| 524 | <a name="l00603"></a>00603 |
---|
| 525 | <a name="l00604"></a>00604 <span class="keywordflow">if</span> (found && larger_than_eps) |
---|
| 526 | <a name="l00605"></a>00605 data[p] = v; |
---|
| 527 | <a name="l00606"></a>00606 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (larger_than_eps) { |
---|
| 528 | <a name="l00607"></a>00607 <span class="keywordflow">if</span> (used_size == data_size) |
---|
| 529 | <a name="l00608"></a>00608 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(data_size*2 + 100); |
---|
| 530 | <a name="l00609"></a>00609 data[used_size] = v; |
---|
| 531 | <a name="l00610"></a>00610 index[used_size] = i; |
---|
| 532 | <a name="l00611"></a>00611 used_size++; |
---|
| 533 | <a name="l00612"></a>00612 } |
---|
| 534 | <a name="l00613"></a>00613 |
---|
| 535 | <a name="l00614"></a>00614 <span class="comment">//Check if the stored element is smaller than eps. In that case it should be removed.</span> |
---|
| 536 | <a name="l00615"></a>00615 <span class="keywordflow">if</span> (<a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(v) <= <a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(eps)) { |
---|
| 537 | <a name="l00616"></a>00616 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
---|
| 538 | <a name="l00617"></a>00617 } |
---|
| 539 | <a name="l00618"></a>00618 |
---|
| 540 | <a name="l00619"></a>00619 } |
---|
| 541 | <a name="l00620"></a>00620 |
---|
| 542 | <a name="l00621"></a>00621 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 543 | <a name="l00622"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#55adfb73da94ec8e567270d344d17555">00622</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#55adfb73da94ec8e567270d344d17555" title="Set a new element with index i equal to v.">Sparse_Vec<T>::set_new</a>(<span class="keywordtype">int</span> i, T v) |
---|
| 544 | <a name="l00623"></a>00623 { |
---|
| 545 | <a name="l00624"></a>00624 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size > i, <span class="stringliteral">"The index of the element exceeds the size of the sparse vector"</span>); |
---|
| 546 | <a name="l00625"></a>00625 |
---|
| 547 | <a name="l00626"></a>00626 <span class="comment">//Check that the new element is larger than eps!</span> |
---|
| 548 | <a name="l00627"></a>00627 <span class="keywordflow">if</span> (<a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(v) > <a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(eps)) { |
---|
| 549 | <a name="l00628"></a>00628 <span class="keywordflow">if</span> (used_size == data_size) |
---|
| 550 | <a name="l00629"></a>00629 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(data_size*2 + 100); |
---|
| 551 | <a name="l00630"></a>00630 data[used_size] = v; |
---|
| 552 | <a name="l00631"></a>00631 index[used_size] = i; |
---|
| 553 | <a name="l00632"></a>00632 used_size++; |
---|
| 554 | <a name="l00633"></a>00633 } |
---|
| 555 | <a name="l00634"></a>00634 } |
---|
| 556 | <a name="l00635"></a>00635 |
---|
| 557 | <a name="l00636"></a>00636 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 558 | <a name="l00637"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#63b4e493346887db93f25b40f7352b91">00637</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#63b4e493346887db93f25b40f7352b91" title="Add element i with v.">Sparse_Vec<T>::add_elem</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> i, <span class="keyword">const</span> T v) |
---|
| 559 | <a name="l00638"></a>00638 { |
---|
| 560 | <a name="l00639"></a>00639 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>; |
---|
| 561 | <a name="l00640"></a>00640 <span class="keywordtype">int</span> p; |
---|
| 562 | <a name="l00641"></a>00641 |
---|
| 563 | <a name="l00642"></a>00642 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size > i, <span class="stringliteral">"The index of the element exceeds the size of the sparse vector"</span>); |
---|
| 564 | <a name="l00643"></a>00643 |
---|
| 565 | <a name="l00644"></a>00644 <span class="keywordflow">for</span> (p = 0; p < used_size; p++) { |
---|
| 566 | <a name="l00645"></a>00645 <span class="keywordflow">if</span> (index[p] == i) { |
---|
| 567 | <a name="l00646"></a>00646 found = <span class="keyword">true</span>; |
---|
| 568 | <a name="l00647"></a>00647 <span class="keywordflow">break</span>; |
---|
| 569 | <a name="l00648"></a>00648 } |
---|
| 570 | <a name="l00649"></a>00649 } |
---|
| 571 | <a name="l00650"></a>00650 <span class="keywordflow">if</span> (found) |
---|
| 572 | <a name="l00651"></a>00651 data[p] += v; |
---|
| 573 | <a name="l00652"></a>00652 <span class="keywordflow">else</span> { |
---|
| 574 | <a name="l00653"></a>00653 <span class="keywordflow">if</span> (used_size == data_size) |
---|
| 575 | <a name="l00654"></a>00654 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(data_size*2 + 100); |
---|
| 576 | <a name="l00655"></a>00655 data[used_size] = v; |
---|
| 577 | <a name="l00656"></a>00656 index[used_size] = i; |
---|
| 578 | <a name="l00657"></a>00657 used_size++; |
---|
| 579 | <a name="l00658"></a>00658 } |
---|
| 580 | <a name="l00659"></a>00659 |
---|
| 581 | <a name="l00660"></a>00660 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 582 | <a name="l00661"></a>00661 |
---|
| 583 | <a name="l00662"></a>00662 } |
---|
| 584 | <a name="l00663"></a>00663 |
---|
| 585 | <a name="l00664"></a>00664 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 586 | <a name="l00665"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#9f3ef93cf84c3fc402e9303ff9fced8e">00665</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#9f3ef93cf84c3fc402e9303ff9fced8e" title="Add v to the elements specified by index_vec with v.">Sparse_Vec<T>::add</a>(<span class="keyword">const</span> ivec& index_vec, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a>& v) |
---|
| 587 | <a name="l00666"></a>00666 { |
---|
| 588 | <a name="l00667"></a>00667 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>; |
---|
| 589 | <a name="l00668"></a>00668 <span class="keywordtype">int</span> i, p, q; |
---|
| 590 | <a name="l00669"></a>00669 <span class="keywordtype">int</span> nrof_nz = v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(); |
---|
| 591 | <a name="l00670"></a>00670 |
---|
| 592 | <a name="l00671"></a>00671 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size > <a class="code" href="group__protocol.html#g3e4e78a5230c444344a135c661163ef2" title="ADD DOCUMENTATION HERE.">max</a>(index_vec), <span class="stringliteral">"The indices exceeds the size of the sparse vector"</span>); |
---|
| 593 | <a name="l00672"></a>00672 |
---|
| 594 | <a name="l00673"></a>00673 <span class="comment">//Elements are added if they have identical indices</span> |
---|
| 595 | <a name="l00674"></a>00674 <span class="keywordflow">for</span> (q = 0; q < nrof_nz; q++) { |
---|
| 596 | <a name="l00675"></a>00675 i = index_vec(q); |
---|
| 597 | <a name="l00676"></a>00676 <span class="keywordflow">for</span> (p = 0; p < used_size; p++) { |
---|
| 598 | <a name="l00677"></a>00677 <span class="keywordflow">if</span> (index[p] == i) { |
---|
| 599 | <a name="l00678"></a>00678 found = <span class="keyword">true</span>; |
---|
| 600 | <a name="l00679"></a>00679 <span class="keywordflow">break</span>; |
---|
| 601 | <a name="l00680"></a>00680 } |
---|
| 602 | <a name="l00681"></a>00681 } |
---|
| 603 | <a name="l00682"></a>00682 <span class="keywordflow">if</span> (found) |
---|
| 604 | <a name="l00683"></a>00683 data[p] += v(q); |
---|
| 605 | <a name="l00684"></a>00684 <span class="keywordflow">else</span> { |
---|
| 606 | <a name="l00685"></a>00685 <span class="keywordflow">if</span> (used_size == data_size) |
---|
| 607 | <a name="l00686"></a>00686 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(data_size*2 + 100); |
---|
| 608 | <a name="l00687"></a>00687 data[used_size] = v(q); |
---|
| 609 | <a name="l00688"></a>00688 index[used_size] = i; |
---|
| 610 | <a name="l00689"></a>00689 used_size++; |
---|
| 611 | <a name="l00690"></a>00690 } |
---|
| 612 | <a name="l00691"></a>00691 found = <span class="keyword">false</span>; |
---|
| 613 | <a name="l00692"></a>00692 } |
---|
| 614 | <a name="l00693"></a>00693 |
---|
| 615 | <a name="l00694"></a>00694 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 616 | <a name="l00695"></a>00695 |
---|
| 617 | <a name="l00696"></a>00696 } |
---|
| 618 | <a name="l00697"></a>00697 |
---|
| 619 | <a name="l00698"></a>00698 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 620 | <a name="l00699"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#259ac11b4eec8a9b76d14777edcdf941">00699</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#259ac11b4eec8a9b76d14777edcdf941" title="Set the sparse vector to the all zero vector (removes all non-zero elements).">Sparse_Vec<T>::zeros</a>() |
---|
| 621 | <a name="l00700"></a>00700 { |
---|
| 622 | <a name="l00701"></a>00701 used_size = 0; |
---|
| 623 | <a name="l00702"></a>00702 check_small_elems_flag = <span class="keyword">false</span>; |
---|
| 624 | <a name="l00703"></a>00703 } |
---|
| 625 | <a name="l00704"></a>00704 |
---|
| 626 | <a name="l00705"></a>00705 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 627 | <a name="l00706"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#7f28c432a7166b661834b6ddfa0aefc4">00706</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#7f28c432a7166b661834b6ddfa0aefc4" title="Set the i-th element to zero (i.e. clear that element if it contains a non-zero value)...">Sparse_Vec<T>::zero_elem</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> i) |
---|
| 628 | <a name="l00707"></a>00707 { |
---|
| 629 | <a name="l00708"></a>00708 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>; |
---|
| 630 | <a name="l00709"></a>00709 <span class="keywordtype">int</span> p; |
---|
| 631 | <a name="l00710"></a>00710 |
---|
| 632 | <a name="l00711"></a>00711 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size > i, <span class="stringliteral">"The index of the element exceeds the size of the sparse vector"</span>); |
---|
| 633 | <a name="l00712"></a>00712 |
---|
| 634 | <a name="l00713"></a>00713 <span class="keywordflow">for</span> (p = 0; p < used_size; p++) { |
---|
| 635 | <a name="l00714"></a>00714 <span class="keywordflow">if</span> (index[p] == i) { |
---|
| 636 | <a name="l00715"></a>00715 found = <span class="keyword">true</span>; |
---|
| 637 | <a name="l00716"></a>00716 <span class="keywordflow">break</span>; |
---|
| 638 | <a name="l00717"></a>00717 } |
---|
| 639 | <a name="l00718"></a>00718 } |
---|
| 640 | <a name="l00719"></a>00719 <span class="keywordflow">if</span> (found) { |
---|
| 641 | <a name="l00720"></a>00720 data[p] = data[used_size-1]; |
---|
| 642 | <a name="l00721"></a>00721 index[p] = index[used_size-1]; |
---|
| 643 | <a name="l00722"></a>00722 used_size--; |
---|
| 644 | <a name="l00723"></a>00723 } |
---|
| 645 | <a name="l00724"></a>00724 } |
---|
| 646 | <a name="l00725"></a>00725 |
---|
| 647 | <a name="l00726"></a>00726 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 648 | <a name="l00727"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#e48f0bf68cfa0d2c8700952585e0c8eb">00727</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#e48f0bf68cfa0d2c8700952585e0c8eb" title="Clear all non-zero elements of the sparse vector.">Sparse_Vec<T>::clear</a>() |
---|
| 649 | <a name="l00728"></a>00728 { |
---|
| 650 | <a name="l00729"></a>00729 used_size = 0; |
---|
| 651 | <a name="l00730"></a>00730 check_small_elems_flag = <span class="keyword">false</span>; |
---|
| 652 | <a name="l00731"></a>00731 } |
---|
| 653 | <a name="l00732"></a>00732 |
---|
| 654 | <a name="l00733"></a>00733 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 655 | <a name="l00734"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#7e9f5693f6b709ddf7367b7e4b846f07">00734</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#7e9f5693f6b709ddf7367b7e4b846f07" title="Clear the i-th element (if it contains a non-zero value).">Sparse_Vec<T>::clear_elem</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> i) |
---|
| 656 | <a name="l00735"></a>00735 { |
---|
| 657 | <a name="l00736"></a>00736 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>; |
---|
| 658 | <a name="l00737"></a>00737 <span class="keywordtype">int</span> p; |
---|
| 659 | <a name="l00738"></a>00738 |
---|
| 660 | <a name="l00739"></a>00739 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size > i, <span class="stringliteral">"The index of the element exceeds the size of the sparse vector"</span>); |
---|
| 661 | <a name="l00740"></a>00740 |
---|
| 662 | <a name="l00741"></a>00741 <span class="keywordflow">for</span> (p = 0; p < used_size; p++) { |
---|
| 663 | <a name="l00742"></a>00742 <span class="keywordflow">if</span> (index[p] == i) { |
---|
| 664 | <a name="l00743"></a>00743 found = <span class="keyword">true</span>; |
---|
| 665 | <a name="l00744"></a>00744 <span class="keywordflow">break</span>; |
---|
| 666 | <a name="l00745"></a>00745 } |
---|
| 667 | <a name="l00746"></a>00746 } |
---|
| 668 | <a name="l00747"></a>00747 <span class="keywordflow">if</span> (found) { |
---|
| 669 | <a name="l00748"></a>00748 data[p] = data[used_size-1]; |
---|
| 670 | <a name="l00749"></a>00749 index[p] = index[used_size-1]; |
---|
| 671 | <a name="l00750"></a>00750 used_size--; |
---|
| 672 | <a name="l00751"></a>00751 } |
---|
| 673 | <a name="l00752"></a>00752 } |
---|
| 674 | <a name="l00753"></a>00753 |
---|
| 675 | <a name="l00754"></a>00754 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 676 | <a name="l00755"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#ee53f9ab6cbc6ee2553c62b6ed66e196">00755</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#080a7186e61140cdc739201bfcb60934" title="Set element i equal to v.">Sparse_Vec<T>::set</a>(<span class="keyword">const</span> ivec& index_vec, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a>& v) |
---|
| 677 | <a name="l00756"></a>00756 { |
---|
| 678 | <a name="l00757"></a>00757 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size > <a class="code" href="group__protocol.html#g3e4e78a5230c444344a135c661163ef2" title="ADD DOCUMENTATION HERE.">max</a>(index_vec), <span class="stringliteral">"The indices exceeds the size of the sparse vector"</span>); |
---|
| 679 | <a name="l00758"></a>00758 |
---|
| 680 | <a name="l00759"></a>00759 <span class="comment">//Clear all old non-zero elements</span> |
---|
| 681 | <a name="l00760"></a>00760 <a class="code" href="classitpp_1_1Sparse__Vec.html#e48f0bf68cfa0d2c8700952585e0c8eb" title="Clear all non-zero elements of the sparse vector.">clear</a>(); |
---|
| 682 | <a name="l00761"></a>00761 |
---|
| 683 | <a name="l00762"></a>00762 <span class="comment">//Add the new non-zero elements</span> |
---|
| 684 | <a name="l00763"></a>00763 <span class="keyword">add</span>(index_vec, v); |
---|
| 685 | <a name="l00764"></a>00764 } |
---|
| 686 | <a name="l00765"></a>00765 |
---|
| 687 | <a name="l00766"></a>00766 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 688 | <a name="l00767"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#bd8056f722ef6c262a11201d15e9e008">00767</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#55adfb73da94ec8e567270d344d17555" title="Set a new element with index i equal to v.">Sparse_Vec<T>::set_new</a>(<span class="keyword">const</span> ivec& index_vec, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a>& v) |
---|
| 689 | <a name="l00768"></a>00768 { |
---|
| 690 | <a name="l00769"></a>00769 <span class="keywordtype">int</span> q; |
---|
| 691 | <a name="l00770"></a>00770 <span class="keywordtype">int</span> nrof_nz = v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(); |
---|
| 692 | <a name="l00771"></a>00771 |
---|
| 693 | <a name="l00772"></a>00772 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size > <a class="code" href="group__protocol.html#g3e4e78a5230c444344a135c661163ef2" title="ADD DOCUMENTATION HERE.">max</a>(index_vec), <span class="stringliteral">"The indices exceeds the size of the sparse vector"</span>); |
---|
| 694 | <a name="l00773"></a>00773 |
---|
| 695 | <a name="l00774"></a>00774 <span class="comment">//Clear all old non-zero elements</span> |
---|
| 696 | <a name="l00775"></a>00775 <a class="code" href="classitpp_1_1Sparse__Vec.html#e48f0bf68cfa0d2c8700952585e0c8eb" title="Clear all non-zero elements of the sparse vector.">clear</a>(); |
---|
| 697 | <a name="l00776"></a>00776 |
---|
| 698 | <a name="l00777"></a>00777 <span class="keywordflow">for</span> (q = 0; q < nrof_nz; q++) { |
---|
| 699 | <a name="l00778"></a>00778 <span class="keywordflow">if</span> (<a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(v[q]) > <a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(eps)) { |
---|
| 700 | <a name="l00779"></a>00779 <span class="keywordflow">if</span> (used_size == data_size) |
---|
| 701 | <a name="l00780"></a>00780 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(data_size*2 + 100); |
---|
| 702 | <a name="l00781"></a>00781 data[used_size] = v(q); |
---|
| 703 | <a name="l00782"></a>00782 index[used_size] = index_vec(q); |
---|
| 704 | <a name="l00783"></a>00783 used_size++; |
---|
| 705 | <a name="l00784"></a>00784 } |
---|
| 706 | <a name="l00785"></a>00785 } |
---|
| 707 | <a name="l00786"></a>00786 } |
---|
| 708 | <a name="l00787"></a>00787 |
---|
| 709 | <a name="l00788"></a>00788 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 710 | <a name="l00789"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#52046b9bcd75e1fda1d745e9dbc4f8e7">00789</a> ivec <a class="code" href="classitpp_1_1Sparse__Vec.html#52046b9bcd75e1fda1d745e9dbc4f8e7" title="Return the indices of non-zero values.">Sparse_Vec<T>::get_nz_indices</a>() |
---|
| 711 | <a name="l00790"></a>00790 { |
---|
| 712 | <a name="l00791"></a>00791 <span class="keywordtype">int</span> n = <a class="code" href="classitpp_1_1Sparse__Vec.html#574eb67974100fb492067c16216dbefc" title="Number of non-zero elements in the sparse vector.">nnz</a>(); |
---|
| 713 | <a name="l00792"></a>00792 ivec r(n); |
---|
| 714 | <a name="l00793"></a>00793 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; i++) { |
---|
| 715 | <a name="l00794"></a>00794 r(i) = <a class="code" href="classitpp_1_1Sparse__Vec.html#a86f06c01f042925d6b8005b26bd6b0b" title="Returns the vector index of the p-th non-zero element.">get_nz_index</a>(i); |
---|
| 716 | <a name="l00795"></a>00795 } |
---|
| 717 | <a name="l00796"></a>00796 <span class="keywordflow">return</span> r; |
---|
| 718 | <a name="l00797"></a>00797 } |
---|
| 719 | <a name="l00798"></a>00798 |
---|
| 720 | <a name="l00799"></a>00799 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 721 | <a name="l00800"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#4d5f4ce3ee456b4623b995df6bbe19b5">00800</a> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> <a class="code" href="classitpp_1_1Sparse__Vec.html#4d5f4ce3ee456b4623b995df6bbe19b5" title="Return sparse subvector from index i1 to index i2.">Sparse_Vec<T>::get_subvector</a>(<span class="keywordtype">int</span> i1, <span class="keywordtype">int</span> i2)<span class="keyword"> const</span> |
---|
| 722 | <a name="l00801"></a>00801 <span class="keyword"></span>{ |
---|
| 723 | <a name="l00802"></a>00802 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size > i1 && v_size > i2 && i1 <= i2 && i1 >= 0, <span class="stringliteral">"The index of the element exceeds the size of the sparse vector"</span>); |
---|
| 724 | <a name="l00803"></a>00803 |
---|
| 725 | <a name="l00804"></a>00804 <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> r(i2 - i1 + 1); |
---|
| 726 | <a name="l00805"></a>00805 |
---|
| 727 | <a name="l00806"></a>00806 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p < used_size; p++) { |
---|
| 728 | <a name="l00807"></a>00807 <span class="keywordflow">if</span> (index[p] >= i1 && index[p] <= i2) { |
---|
| 729 | <a name="l00808"></a>00808 <span class="keywordflow">if</span> (r.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a> == r.<a class="code" href="classitpp_1_1Sparse__Vec.html#e42b4bbb568b40f0fc892fe50fefb39b">data_size</a>) |
---|
| 730 | <a name="l00809"></a>00809 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(r.<a class="code" href="classitpp_1_1Sparse__Vec.html#e42b4bbb568b40f0fc892fe50fefb39b">data_size</a>*2 + 100); |
---|
| 731 | <a name="l00810"></a>00810 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[r.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>] = data[p]; |
---|
| 732 | <a name="l00811"></a>00811 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[r.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>] = index[p] - i1; |
---|
| 733 | <a name="l00812"></a>00812 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>++; |
---|
| 734 | <a name="l00813"></a>00813 } |
---|
| 735 | <a name="l00814"></a>00814 } |
---|
| 736 | <a name="l00815"></a>00815 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#a04529ad0bd986d655c9a3a60a8f75cc">eps</a> = eps; |
---|
| 737 | <a name="l00816"></a>00816 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#555c9755a92011a2fdcfb66a6dfe3186">check_small_elems_flag</a> = check_small_elems_flag; |
---|
| 738 | <a name="l00817"></a>00817 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#eecd9a99a1aef11b939ef9a5a329ee6e" title="Set the maximum number of non-zero elements equal to the actual number of non-zero...">compact</a>(); |
---|
| 739 | <a name="l00818"></a>00818 |
---|
| 740 | <a name="l00819"></a>00819 <span class="keywordflow">return</span> r; |
---|
| 741 | <a name="l00820"></a>00820 } |
---|
| 742 | <a name="l00821"></a>00821 |
---|
| 743 | <a name="l00822"></a>00822 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 744 | <a name="l00823"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#e3dbd58f2a416f2cf9b515e8e91fc95b">00823</a> T <a class="code" href="classitpp_1_1Sparse__Vec.html#e3dbd58f2a416f2cf9b515e8e91fc95b" title="Returns the sum of all values squared.">Sparse_Vec<T>::sqr</a>()<span class="keyword"> const</span> |
---|
| 745 | <a name="l00824"></a>00824 <span class="keyword"></span>{ |
---|
| 746 | <a name="l00825"></a>00825 T <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a>(0); |
---|
| 747 | <a name="l00826"></a>00826 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p < used_size; p++) |
---|
| 748 | <a name="l00827"></a>00827 sum += data[p] * data[p]; |
---|
| 749 | <a name="l00828"></a>00828 |
---|
| 750 | <a name="l00829"></a>00829 <span class="keywordflow">return</span> sum; |
---|
| 751 | <a name="l00830"></a>00830 } |
---|
| 752 | <a name="l00831"></a>00831 |
---|
| 753 | <a name="l00832"></a>00832 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 754 | <a name="l00833"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#c4ef932d3ed56cba68c8b0ecb7ba278b">00833</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#c4ef932d3ed56cba68c8b0ecb7ba278b" title="Assign sparse vector the value and length of the sparse vector v.">Sparse_Vec<T>::operator=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v) |
---|
| 755 | <a name="l00834"></a>00834 { |
---|
| 756 | <a name="l00835"></a>00835 free(); |
---|
| 757 | <a name="l00836"></a>00836 v_size = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#56544763039cddac697f85e0c93b0cae">v_size</a>; |
---|
| 758 | <a name="l00837"></a>00837 used_size = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>; |
---|
| 759 | <a name="l00838"></a>00838 data_size = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#e42b4bbb568b40f0fc892fe50fefb39b">data_size</a>; |
---|
| 760 | <a name="l00839"></a>00839 eps = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#a04529ad0bd986d655c9a3a60a8f75cc">eps</a>; |
---|
| 761 | <a name="l00840"></a>00840 check_small_elems_flag = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#555c9755a92011a2fdcfb66a6dfe3186">check_small_elems_flag</a>; |
---|
| 762 | <a name="l00841"></a>00841 alloc(); |
---|
| 763 | <a name="l00842"></a>00842 |
---|
| 764 | <a name="l00843"></a>00843 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < used_size; i++) { |
---|
| 765 | <a name="l00844"></a>00844 data[i] = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[i]; |
---|
| 766 | <a name="l00845"></a>00845 index[i] = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[i]; |
---|
| 767 | <a name="l00846"></a>00846 } |
---|
| 768 | <a name="l00847"></a>00847 } |
---|
| 769 | <a name="l00848"></a>00848 |
---|
| 770 | <a name="l00849"></a>00849 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 771 | <a name="l00850"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#f434c0f6790150b767bf8d6275318360">00850</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#c4ef932d3ed56cba68c8b0ecb7ba278b" title="Assign sparse vector the value and length of the sparse vector v.">Sparse_Vec<T>::operator=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v) |
---|
| 772 | <a name="l00851"></a>00851 { |
---|
| 773 | <a name="l00852"></a>00852 free(); |
---|
| 774 | <a name="l00853"></a>00853 v_size = v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(); |
---|
| 775 | <a name="l00854"></a>00854 used_size = 0; |
---|
| 776 | <a name="l00855"></a>00855 data_size = <a class="code" href="group__protocol.html#g27dde5be5aac902c0de838b4b872cd2f" title="ADD DOCUMENTATION HERE.">std::min</a>(v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(), 10000); |
---|
| 777 | <a name="l00856"></a>00856 eps = T(0); |
---|
| 778 | <a name="l00857"></a>00857 check_small_elems_flag = <span class="keyword">false</span>; |
---|
| 779 | <a name="l00858"></a>00858 alloc(); |
---|
| 780 | <a name="l00859"></a>00859 |
---|
| 781 | <a name="l00860"></a>00860 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < v_size; i++) { |
---|
| 782 | <a name="l00861"></a>00861 <span class="keywordflow">if</span> (v(i) != T(0)) { |
---|
| 783 | <a name="l00862"></a>00862 <span class="keywordflow">if</span> (used_size == data_size) |
---|
| 784 | <a name="l00863"></a>00863 <a class="code" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073" title="Set the maximum number of non-zero elements to new_size.">resize_data</a>(data_size*2); |
---|
| 785 | <a name="l00864"></a>00864 data[used_size] = v(i); |
---|
| 786 | <a name="l00865"></a>00865 index[used_size] = i; |
---|
| 787 | <a name="l00866"></a>00866 used_size++; |
---|
| 788 | <a name="l00867"></a>00867 } |
---|
| 789 | <a name="l00868"></a>00868 } |
---|
| 790 | <a name="l00869"></a>00869 <a class="code" href="classitpp_1_1Sparse__Vec.html#eecd9a99a1aef11b939ef9a5a329ee6e" title="Set the maximum number of non-zero elements equal to the actual number of non-zero...">compact</a>(); |
---|
| 791 | <a name="l00870"></a>00870 } |
---|
| 792 | <a name="l00871"></a>00871 |
---|
| 793 | <a name="l00872"></a>00872 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 794 | <a name="l00873"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#db64167ef8f7b46cc6a8b3f2d72a549f">00873</a> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> <a class="code" href="classitpp_1_1Sparse__Vec.html#db64167ef8f7b46cc6a8b3f2d72a549f" title="Returns the sign inverse of all elements in the sparse vector.">Sparse_Vec<T>::operator-</a>()<span class="keyword"> const</span> |
---|
| 795 | <a name="l00874"></a>00874 <span class="keyword"></span>{ |
---|
| 796 | <a name="l00875"></a>00875 <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec</a> r(v_size, used_size); |
---|
| 797 | <a name="l00876"></a>00876 |
---|
| 798 | <a name="l00877"></a>00877 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p < used_size; p++) { |
---|
| 799 | <a name="l00878"></a>00878 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[p] = -data[p]; |
---|
| 800 | <a name="l00879"></a>00879 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[p] = index[p]; |
---|
| 801 | <a name="l00880"></a>00880 } |
---|
| 802 | <a name="l00881"></a>00881 r.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a> = used_size; |
---|
| 803 | <a name="l00882"></a>00882 |
---|
| 804 | <a name="l00883"></a>00883 <span class="keywordflow">return</span> r; |
---|
| 805 | <a name="l00884"></a>00884 } |
---|
| 806 | <a name="l00885"></a>00885 |
---|
| 807 | <a name="l00886"></a>00886 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 808 | <a name="l00887"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#4a2d2a7bea045243c796d91cfb390a13">00887</a> <span class="keywordtype">bool</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#4a2d2a7bea045243c796d91cfb390a13" title="Compare two sparse vectors. False if wrong sizes or different values.">Sparse_Vec<T>::operator==</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v) |
---|
| 809 | <a name="l00888"></a>00888 { |
---|
| 810 | <a name="l00889"></a>00889 <span class="keywordtype">int</span> p, q; |
---|
| 811 | <a name="l00890"></a>00890 <span class="keywordtype">bool</span> found = <span class="keyword">false</span>; |
---|
| 812 | <a name="l00891"></a>00891 |
---|
| 813 | <a name="l00892"></a>00892 <span class="comment">//Remove small elements before comparing the two sparse_vectors</span> |
---|
| 814 | <a name="l00893"></a>00893 <span class="keywordflow">if</span> (check_small_elems_flag) |
---|
| 815 | <a name="l00894"></a>00894 <a class="code" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a>(); |
---|
| 816 | <a name="l00895"></a>00895 |
---|
| 817 | <a name="l00896"></a>00896 <span class="keywordflow">if</span> (v_size != v.<a class="code" href="classitpp_1_1Sparse__Vec.html#56544763039cddac697f85e0c93b0cae">v_size</a>) { |
---|
| 818 | <a name="l00897"></a>00897 <span class="comment">//Return false if vector sizes are unequal</span> |
---|
| 819 | <a name="l00898"></a>00898 <span class="keywordflow">return</span> <span class="keyword">false</span>; |
---|
| 820 | <a name="l00899"></a>00899 } |
---|
| 821 | <a name="l00900"></a>00900 <span class="keywordflow">else</span> { |
---|
| 822 | <a name="l00901"></a>00901 <span class="keywordflow">for</span> (p = 0;p < used_size;p++) { |
---|
| 823 | <a name="l00902"></a>00902 <span class="keywordflow">for</span> (q = 0;q < v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>;q++) { |
---|
| 824 | <a name="l00903"></a>00903 <span class="keywordflow">if</span> (index[p] == v.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[q]) { |
---|
| 825 | <a name="l00904"></a>00904 found = <span class="keyword">true</span>; |
---|
| 826 | <a name="l00905"></a>00905 <span class="keywordflow">break</span>; |
---|
| 827 | <a name="l00906"></a>00906 } |
---|
| 828 | <a name="l00907"></a>00907 } |
---|
| 829 | <a name="l00908"></a>00908 <span class="keywordflow">if</span> (found == <span class="keyword">false</span>) |
---|
| 830 | <a name="l00909"></a>00909 <span class="comment">//Return false if non-zero element not found, or if elements are unequal</span> |
---|
| 831 | <a name="l00910"></a>00910 <span class="keywordflow">return</span> <span class="keyword">false</span>; |
---|
| 832 | <a name="l00911"></a>00911 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (data[p] != v.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[q]) |
---|
| 833 | <a name="l00912"></a>00912 <span class="comment">//Return false if non-zero element not found, or if elements are unequal</span> |
---|
| 834 | <a name="l00913"></a>00913 <span class="keywordflow">return</span> <span class="keyword">false</span>; |
---|
| 835 | <a name="l00914"></a>00914 <span class="keywordflow">else</span> |
---|
| 836 | <a name="l00915"></a>00915 <span class="comment">//Check next non-zero element</span> |
---|
| 837 | <a name="l00916"></a>00916 found = <span class="keyword">false</span>; |
---|
| 838 | <a name="l00917"></a>00917 } |
---|
| 839 | <a name="l00918"></a>00918 } |
---|
| 840 | <a name="l00919"></a>00919 |
---|
| 841 | <a name="l00920"></a>00920 <span class="comment">/*Special handling if sizes do not match.</span> |
---|
| 842 | <a name="l00921"></a>00921 <span class="comment"> Required since v may need to do remove_small_elements() for true comparison*/</span> |
---|
| 843 | <a name="l00922"></a>00922 <span class="keywordflow">if</span> (used_size != v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>) { |
---|
| 844 | <a name="l00923"></a>00923 <span class="keywordflow">if</span> (used_size > v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>) { |
---|
| 845 | <a name="l00924"></a>00924 <span class="comment">//Return false if number of non-zero elements is less in v</span> |
---|
| 846 | <a name="l00925"></a>00925 <span class="keywordflow">return</span> <span class="keyword">false</span>; |
---|
| 847 | <a name="l00926"></a>00926 } |
---|
| 848 | <a name="l00927"></a>00927 <span class="keywordflow">else</span> { |
---|
| 849 | <a name="l00928"></a>00928 <span class="comment">//Ensure that the remaining non-zero elements in v are smaller than v.eps</span> |
---|
| 850 | <a name="l00929"></a>00929 <span class="keywordtype">int</span> nrof_small_elems = 0; |
---|
| 851 | <a name="l00930"></a>00930 <span class="keywordflow">for</span> (q = 0;q < v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>;q++) { |
---|
| 852 | <a name="l00931"></a>00931 <span class="keywordflow">if</span> (<a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(v.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[q]) <= <a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(v.<a class="code" href="classitpp_1_1Sparse__Vec.html#a04529ad0bd986d655c9a3a60a8f75cc">eps</a>)) |
---|
| 853 | <a name="l00932"></a>00932 nrof_small_elems++; |
---|
| 854 | <a name="l00933"></a>00933 } |
---|
| 855 | <a name="l00934"></a>00934 <span class="keywordflow">if</span> (v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a> - nrof_small_elems != used_size) |
---|
| 856 | <a name="l00935"></a>00935 <span class="comment">//Return false if the number of "true" non-zero elements are unequal</span> |
---|
| 857 | <a name="l00936"></a>00936 <span class="keywordflow">return</span> <span class="keyword">false</span>; |
---|
| 858 | <a name="l00937"></a>00937 } |
---|
| 859 | <a name="l00938"></a>00938 } |
---|
| 860 | <a name="l00939"></a>00939 |
---|
| 861 | <a name="l00940"></a>00940 <span class="comment">//All elements checks => return true</span> |
---|
| 862 | <a name="l00941"></a>00941 <span class="keywordflow">return</span> <span class="keyword">true</span>; |
---|
| 863 | <a name="l00942"></a>00942 } |
---|
| 864 | <a name="l00943"></a>00943 |
---|
| 865 | <a name="l00944"></a>00944 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 866 | <a name="l00945"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#f801cdfc077c286c2fb4079239ac11d1">00945</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#f801cdfc077c286c2fb4079239ac11d1" title="Add sparse vector v to all non-zero elements of the sparse vector.">Sparse_Vec<T>::operator+=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v) |
---|
| 867 | <a name="l00946"></a>00946 { |
---|
| 868 | <a name="l00947"></a>00947 <span class="keywordtype">int</span> i, p; |
---|
| 869 | <a name="l00948"></a>00948 T tmp_data; |
---|
| 870 | <a name="l00949"></a>00949 <span class="keywordtype">int</span> nrof_nz_v = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>; |
---|
| 871 | <a name="l00950"></a>00950 |
---|
| 872 | <a name="l00951"></a>00951 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size == v.<a class="code" href="classitpp_1_1Sparse__Vec.html#86a41d34d1d5a1dbfe778b6fe21bf98e" title="Returns the size of the sparse vector.">size</a>(), <span class="stringliteral">"Attempted addition of unequal sized sparse vectors"</span>); |
---|
| 873 | <a name="l00952"></a>00952 |
---|
| 874 | <a name="l00953"></a>00953 <span class="keywordflow">for</span> (p = 0; p < nrof_nz_v; p++) { |
---|
| 875 | <a name="l00954"></a>00954 i = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[p]; |
---|
| 876 | <a name="l00955"></a>00955 tmp_data = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[p]; |
---|
| 877 | <a name="l00956"></a>00956 <span class="comment">//get_nz(p,i,tmp_data);</span> |
---|
| 878 | <a name="l00957"></a>00957 <a class="code" href="classitpp_1_1Sparse__Vec.html#63b4e493346887db93f25b40f7352b91" title="Add element i with v.">add_elem</a>(i, tmp_data); |
---|
| 879 | <a name="l00958"></a>00958 } |
---|
| 880 | <a name="l00959"></a>00959 |
---|
| 881 | <a name="l00960"></a>00960 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 882 | <a name="l00961"></a>00961 } |
---|
| 883 | <a name="l00962"></a>00962 |
---|
| 884 | <a name="l00963"></a>00963 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 885 | <a name="l00964"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#ae52eecb5781b416b48d213a9316b399">00964</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#f801cdfc077c286c2fb4079239ac11d1" title="Add sparse vector v to all non-zero elements of the sparse vector.">Sparse_Vec<T>::operator+=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v) |
---|
| 886 | <a name="l00965"></a>00965 { |
---|
| 887 | <a name="l00966"></a>00966 <span class="keywordtype">int</span> i; |
---|
| 888 | <a name="l00967"></a>00967 |
---|
| 889 | <a name="l00968"></a>00968 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size == v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(), <span class="stringliteral">"Attempted addition of unequal sized sparse vectors"</span>); |
---|
| 890 | <a name="l00969"></a>00969 |
---|
| 891 | <a name="l00970"></a>00970 <span class="keywordflow">for</span> (i = 0; i < v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(); i++) |
---|
| 892 | <a name="l00971"></a>00971 <span class="keywordflow">if</span> (v(i) != T(0)) |
---|
| 893 | <a name="l00972"></a>00972 <a class="code" href="classitpp_1_1Sparse__Vec.html#63b4e493346887db93f25b40f7352b91" title="Add element i with v.">add_elem</a>(i, v(i)); |
---|
| 894 | <a name="l00973"></a>00973 |
---|
| 895 | <a name="l00974"></a>00974 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 896 | <a name="l00975"></a>00975 } |
---|
| 897 | <a name="l00976"></a>00976 |
---|
| 898 | <a name="l00977"></a>00977 |
---|
| 899 | <a name="l00978"></a>00978 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 900 | <a name="l00979"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#6e6425041822cfa30871bae71ede7df4">00979</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#6e6425041822cfa30871bae71ede7df4" title="Subtract sparse vector v from all non-zero elements of the sparse vector.">Sparse_Vec<T>::operator-=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v) |
---|
| 901 | <a name="l00980"></a>00980 { |
---|
| 902 | <a name="l00981"></a>00981 <span class="keywordtype">int</span> i, p; |
---|
| 903 | <a name="l00982"></a>00982 T tmp_data; |
---|
| 904 | <a name="l00983"></a>00983 <span class="keywordtype">int</span> nrof_nz_v = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>; |
---|
| 905 | <a name="l00984"></a>00984 |
---|
| 906 | <a name="l00985"></a>00985 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size == v.<a class="code" href="classitpp_1_1Sparse__Vec.html#86a41d34d1d5a1dbfe778b6fe21bf98e" title="Returns the size of the sparse vector.">size</a>(), <span class="stringliteral">"Attempted subtraction of unequal sized sparse vectors"</span>); |
---|
| 907 | <a name="l00986"></a>00986 |
---|
| 908 | <a name="l00987"></a>00987 <span class="keywordflow">for</span> (p = 0; p < nrof_nz_v; p++) { |
---|
| 909 | <a name="l00988"></a>00988 i = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[p]; |
---|
| 910 | <a name="l00989"></a>00989 tmp_data = v.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[p]; |
---|
| 911 | <a name="l00990"></a>00990 <span class="comment">//v.get_nz(p,i,tmp_data);</span> |
---|
| 912 | <a name="l00991"></a>00991 <a class="code" href="classitpp_1_1Sparse__Vec.html#63b4e493346887db93f25b40f7352b91" title="Add element i with v.">add_elem</a>(i, -tmp_data); |
---|
| 913 | <a name="l00992"></a>00992 } |
---|
| 914 | <a name="l00993"></a>00993 |
---|
| 915 | <a name="l00994"></a>00994 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 916 | <a name="l00995"></a>00995 } |
---|
| 917 | <a name="l00996"></a>00996 |
---|
| 918 | <a name="l00997"></a>00997 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 919 | <a name="l00998"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#1144cbcd69b62d3934e8142ad8df7471">00998</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#6e6425041822cfa30871bae71ede7df4" title="Subtract sparse vector v from all non-zero elements of the sparse vector.">Sparse_Vec<T>::operator-=</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> &v) |
---|
| 920 | <a name="l00999"></a>00999 { |
---|
| 921 | <a name="l01000"></a>01000 <span class="keywordtype">int</span> i; |
---|
| 922 | <a name="l01001"></a>01001 |
---|
| 923 | <a name="l01002"></a>01002 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v_size == v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(), <span class="stringliteral">"Attempted subtraction of unequal sized sparse vectors"</span>); |
---|
| 924 | <a name="l01003"></a>01003 |
---|
| 925 | <a name="l01004"></a>01004 <span class="keywordflow">for</span> (i = 0; i < v.<a class="code" href="classitpp_1_1Vec.html#a906c893cd6184a774e4da8a47217d6a" title="The size of the vector.">size</a>(); i++) |
---|
| 926 | <a name="l01005"></a>01005 <span class="keywordflow">if</span> (v(i) != T(0)) |
---|
| 927 | <a name="l01006"></a>01006 <a class="code" href="classitpp_1_1Sparse__Vec.html#63b4e493346887db93f25b40f7352b91" title="Add element i with v.">add_elem</a>(i, -v(i)); |
---|
| 928 | <a name="l01007"></a>01007 |
---|
| 929 | <a name="l01008"></a>01008 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 930 | <a name="l01009"></a>01009 } |
---|
| 931 | <a name="l01010"></a>01010 |
---|
| 932 | <a name="l01011"></a>01011 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 933 | <a name="l01012"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#70ed1fcb5802f4bd60009ed198c49c20">01012</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#70ed1fcb5802f4bd60009ed198c49c20" title="Multiply the scalar v to all non-zero elements of the sparse vector.">Sparse_Vec<T>::operator*=</a>(<span class="keyword">const</span> T &v) |
---|
| 934 | <a name="l01013"></a>01013 { |
---|
| 935 | <a name="l01014"></a>01014 <span class="keywordtype">int</span> p; |
---|
| 936 | <a name="l01015"></a>01015 |
---|
| 937 | <a name="l01016"></a>01016 <span class="keywordflow">for</span> (p = 0; p < used_size; p++) { |
---|
| 938 | <a name="l01017"></a>01017 data[p] *= v; |
---|
| 939 | <a name="l01018"></a>01018 } |
---|
| 940 | <a name="l01019"></a>01019 |
---|
| 941 | <a name="l01020"></a>01020 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 942 | <a name="l01021"></a>01021 } |
---|
| 943 | <a name="l01022"></a>01022 |
---|
| 944 | <a name="l01023"></a>01023 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 945 | <a name="l01024"></a><a class="code" href="classitpp_1_1Sparse__Vec.html#16a5b698293b1e9ea3b79d4c5ce58934">01024</a> <span class="keywordtype">void</span> <a class="code" href="classitpp_1_1Sparse__Vec.html#16a5b698293b1e9ea3b79d4c5ce58934" title="Divide all non-zero elements of the sparse vector with the scalar v.">Sparse_Vec<T>::operator/=</a>(<span class="keyword">const</span> T &v) |
---|
| 946 | <a name="l01025"></a>01025 { |
---|
| 947 | <a name="l01026"></a>01026 <span class="keywordtype">int</span> p; |
---|
| 948 | <a name="l01027"></a>01027 <span class="keywordflow">for</span> (p = 0; p < used_size; p++) { |
---|
| 949 | <a name="l01028"></a>01028 data[p] /= v; |
---|
| 950 | <a name="l01029"></a>01029 } |
---|
| 951 | <a name="l01030"></a>01030 |
---|
| 952 | <a name="l01031"></a>01031 <span class="keywordflow">if</span> (<a class="code" href="group__fixed.html#ge0a38d51b2bf99a0ba07f2f8885e6adc" title="Absolute value.">std::abs</a>(eps) > 0) { |
---|
| 953 | <a name="l01032"></a>01032 check_small_elems_flag = <span class="keyword">true</span>; |
---|
| 954 | <a name="l01033"></a>01033 } |
---|
| 955 | <a name="l01034"></a>01034 } |
---|
| 956 | <a name="l01035"></a>01035 |
---|
| 957 | <a name="l01036"></a>01036 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 958 | <a name="l01037"></a>01037 T <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v1, <span class="keyword">const</span> <a class="code" href="classitpp_1_1Sparse__Vec.html" title="Templated sparse vector class.">Sparse_Vec<T></a> &v2) |
---|
| 959 | <a name="l01038"></a>01038 { |
---|
| 960 | <a name="l01039"></a>01039 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.<a class="code" href="classitpp_1_1Sparse__Vec.html#56544763039cddac697f85e0c93b0cae">v_size</a> == v2.<a class="code" href="classitpp_1_1Sparse__Vec.html#56544763039cddac697f85e0c93b0cae">v_size</a>, <span class="stringliteral">"Sparse_Vec<T> * Sparse_Vec<T>"</span>); |
---|
| 961 | <a name="l01040"></a>01040 |
---|
| 962 | <a name="l01041"></a>01041 T <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a>(0); |
---|
| 963 | <a name="l01042"></a>01042 <a class="code" href="classitpp_1_1Vec.html">Vec<T></a> v1f(v1.<a class="code" href="classitpp_1_1Sparse__Vec.html#56544763039cddac697f85e0c93b0cae">v_size</a>); |
---|
| 964 | <a name="l01043"></a>01043 v1.<a class="code" href="classitpp_1_1Sparse__Vec.html#abb60df924a9f3ad266c24c4da4787ed" title="Returns a full, dense vector in v.">full</a>(v1f); |
---|
| 965 | <a name="l01044"></a>01044 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p = 0; p < v2.<a class="code" href="classitpp_1_1Sparse__Vec.html#21a89f727ef596d34a7c542d51533ca1">used_size</a>; p++) { |
---|
| 966 | <a name="l01045"></a>01045 <span class="keywordflow">if</span> (v1f[v2.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[p]] != T(0)) |
---|
| 967 | <a name="l01046"></a>01046 <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a> += v1f[v2.<a class="code" href="classitpp_1_1Sparse__Vec.html#2211187e13cf6bc1e824e606e5bcd28e">index</a>[p]] * v2.<a class="code" href="classitpp_1_1Sparse__Vec.html#31ce2b788940d0c05edc2328af3433f1">data</a>[p]; |
---|
| 968 | <a name="l01047"></a>01047 } |
---|
| 969 | <a name="l01048"></a>01048 |
---|
| 970 | <a name="l01049"></a>01049 <span class="keywordflow">return</span> <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a>; |
---|
| 971 | <a name="l01050"></a>01050 } |
---|
| 972 | <a name="l01051"></a>01051 |
---|
| 973 | <a name="l01052"></a>01052 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 974 | <a name="l01053"></a>01053 T <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Vec<T> &v2) |
---|
| 975 | <a name="l01054"></a>01054 { |
---|
| 976 | <a name="l01055"></a>01055 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.size() == v2.size(), <span class="stringliteral">"Multiplication of unequal sized vectors attempted"</span>); |
---|
| 977 | <a name="l01056"></a>01056 |
---|
| 978 | <a name="l01057"></a>01057 T <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a>(0); |
---|
| 979 | <a name="l01058"></a>01058 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p1 = 0; p1 < v1.used_size; p1++) |
---|
| 980 | <a name="l01059"></a>01059 <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a> += v1.<a class="code" href="classitpp_1_1Vec.html#6a4144a82cbf195a37f6ca2eb4c1f5f8" title="A pointer to the data area.">data</a>[p1] * v2[v1.index[p1]]; |
---|
| 981 | <a name="l01060"></a>01060 |
---|
| 982 | <a name="l01061"></a>01061 <span class="keywordflow">return</span> <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a>; |
---|
| 983 | <a name="l01062"></a>01062 } |
---|
| 984 | <a name="l01063"></a>01063 |
---|
| 985 | <a name="l01064"></a>01064 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 986 | <a name="l01065"></a>01065 T <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2) |
---|
| 987 | <a name="l01066"></a>01066 { |
---|
| 988 | <a name="l01067"></a>01067 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.size() == v2.size(), <span class="stringliteral">"Multiplication of unequal sized vectors attempted"</span>); |
---|
| 989 | <a name="l01068"></a>01068 |
---|
| 990 | <a name="l01069"></a>01069 T <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a>(0); |
---|
| 991 | <a name="l01070"></a>01070 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p2 = 0; p2 < v2.used_size; p2++) |
---|
| 992 | <a name="l01071"></a>01071 <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a> += v1[v2.index[p2]] * v2.<a class="code" href="classitpp_1_1Vec.html#6a4144a82cbf195a37f6ca2eb4c1f5f8" title="A pointer to the data area.">data</a>[p2]; |
---|
| 993 | <a name="l01072"></a>01072 |
---|
| 994 | <a name="l01073"></a>01073 <span class="keywordflow">return</span> <a class="code" href="group__matrix__functions.html#gfcf8f54c2f4fc257bbc3111700b08355" title="Sum of elements in the matrix m, either along columns or rows.">sum</a>; |
---|
| 995 | <a name="l01074"></a>01074 } |
---|
| 996 | <a name="l01075"></a>01075 |
---|
| 997 | <a name="l01076"></a>01076 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 998 | <a name="l01077"></a>01077 Sparse_Vec<T> elem_mult(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2) |
---|
| 999 | <a name="l01078"></a>01078 { |
---|
| 1000 | <a name="l01079"></a>01079 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.v_size == v2.v_size, <span class="stringliteral">"elem_mult(Sparse_Vec<T>, Sparse_Vec<T>)"</span>); |
---|
| 1001 | <a name="l01080"></a>01080 |
---|
| 1002 | <a name="l01081"></a>01081 Sparse_Vec<T> r(v1.v_size); |
---|
| 1003 | <a name="l01082"></a>01082 ivec pos(v1.v_size); |
---|
| 1004 | <a name="l01083"></a>01083 pos = -1; |
---|
| 1005 | <a name="l01084"></a>01084 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p1 = 0; p1 < v1.used_size; p1++) |
---|
| 1006 | <a name="l01085"></a>01085 pos[v1.index[p1]] = p1; |
---|
| 1007 | <a name="l01086"></a>01086 for (<span class="keywordtype">int</span> p2 = 0; p2 < v2.used_size; p2++) { |
---|
| 1008 | <a name="l01087"></a>01087 <span class="keywordflow">if</span> (pos[v2.index[p2]] != -1) { |
---|
| 1009 | <a name="l01088"></a>01088 <span class="keywordflow">if</span> (r.used_size == r.data_size) |
---|
| 1010 | <a name="l01089"></a>01089 r.resize_data(r.used_size*2 + 100); |
---|
| 1011 | <a name="l01090"></a>01090 r.data[r.used_size] = v1.data[pos[v2.index[p2]]] * v2.data[p2]; |
---|
| 1012 | <a name="l01091"></a>01091 r.index[r.used_size] = v2.index[p2]; |
---|
| 1013 | <a name="l01092"></a>01092 r.used_size++; |
---|
| 1014 | <a name="l01093"></a>01093 } |
---|
| 1015 | <a name="l01094"></a>01094 } |
---|
| 1016 | <a name="l01095"></a>01095 r.compact(); |
---|
| 1017 | <a name="l01096"></a>01096 |
---|
| 1018 | <a name="l01097"></a>01097 <span class="keywordflow">return</span> r; |
---|
| 1019 | <a name="l01098"></a>01098 } |
---|
| 1020 | <a name="l01099"></a>01099 |
---|
| 1021 | <a name="l01100"></a>01100 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 1022 | <a name="l01101"></a>01101 Vec<T> elem_mult(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Vec<T> &v2) |
---|
| 1023 | <a name="l01102"></a>01102 { |
---|
| 1024 | <a name="l01103"></a>01103 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.v_size == v2.size(), <span class="stringliteral">"elem_mult(Sparse_Vec<T>, Vec<T>)"</span>); |
---|
| 1025 | <a name="l01104"></a>01104 |
---|
| 1026 | <a name="l01105"></a>01105 Vec<T> r(v1.v_size); |
---|
| 1027 | <a name="l01106"></a>01106 r = T(0); |
---|
| 1028 | <a name="l01107"></a>01107 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p1 = 0; p1 < v1.used_size; p1++) |
---|
| 1029 | <a name="l01108"></a>01108 r[v1.index[p1]] = v1.data[p1] * v2[v1.index[p1]]; |
---|
| 1030 | <a name="l01109"></a>01109 |
---|
| 1031 | <a name="l01110"></a>01110 <span class="keywordflow">return</span> r; |
---|
| 1032 | <a name="l01111"></a>01111 } |
---|
| 1033 | <a name="l01112"></a>01112 |
---|
| 1034 | <a name="l01113"></a>01113 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 1035 | <a name="l01114"></a>01114 Sparse_Vec<T> elem_mult_s(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Vec<T> &v2) |
---|
| 1036 | <a name="l01115"></a>01115 { |
---|
| 1037 | <a name="l01116"></a>01116 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.v_size == v2.size(), <span class="stringliteral">"elem_mult(Sparse_Vec<T>, Vec<T>)"</span>); |
---|
| 1038 | <a name="l01117"></a>01117 |
---|
| 1039 | <a name="l01118"></a>01118 Sparse_Vec<T> r(v1.v_size); |
---|
| 1040 | <a name="l01119"></a>01119 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p1 = 0; p1 < v1.used_size; p1++) { |
---|
| 1041 | <a name="l01120"></a>01120 <span class="keywordflow">if</span> (v2[v1.index[p1]] != T(0)) { |
---|
| 1042 | <a name="l01121"></a>01121 <span class="keywordflow">if</span> (r.used_size == r.data_size) |
---|
| 1043 | <a name="l01122"></a>01122 r.resize_data(r.used_size*2 + 100); |
---|
| 1044 | <a name="l01123"></a>01123 r.data[r.used_size] = v1.data[p1] * v2[v1.index[p1]]; |
---|
| 1045 | <a name="l01124"></a>01124 r.index[r.used_size] = v1.index[p1]; |
---|
| 1046 | <a name="l01125"></a>01125 r.used_size++; |
---|
| 1047 | <a name="l01126"></a>01126 } |
---|
| 1048 | <a name="l01127"></a>01127 } |
---|
| 1049 | <a name="l01128"></a>01128 r.compact(); |
---|
| 1050 | <a name="l01129"></a>01129 |
---|
| 1051 | <a name="l01130"></a>01130 <span class="keywordflow">return</span> r; |
---|
| 1052 | <a name="l01131"></a>01131 } |
---|
| 1053 | <a name="l01132"></a>01132 |
---|
| 1054 | <a name="l01133"></a>01133 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 1055 | <a name="l01134"></a>01134 Vec<T> elem_mult(<span class="keyword">const</span> Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2) |
---|
| 1056 | <a name="l01135"></a>01135 { |
---|
| 1057 | <a name="l01136"></a>01136 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.size() == v2.v_size, <span class="stringliteral">"elem_mult(Vec<T>, Sparse_Vec<T>)"</span>); |
---|
| 1058 | <a name="l01137"></a>01137 |
---|
| 1059 | <a name="l01138"></a>01138 Vec<T> r(v2.v_size); |
---|
| 1060 | <a name="l01139"></a>01139 r = T(0); |
---|
| 1061 | <a name="l01140"></a>01140 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p2 = 0; p2 < v2.used_size; p2++) |
---|
| 1062 | <a name="l01141"></a>01141 r[v2.index[p2]] = v1[v2.index[p2]] * v2.data[p2]; |
---|
| 1063 | <a name="l01142"></a>01142 |
---|
| 1064 | <a name="l01143"></a>01143 <span class="keywordflow">return</span> r; |
---|
| 1065 | <a name="l01144"></a>01144 } |
---|
| 1066 | <a name="l01145"></a>01145 |
---|
| 1067 | <a name="l01146"></a>01146 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 1068 | <a name="l01147"></a>01147 Sparse_Vec<T> elem_mult_s(<span class="keyword">const</span> Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2) |
---|
| 1069 | <a name="l01148"></a>01148 { |
---|
| 1070 | <a name="l01149"></a>01149 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.size() == v2.v_size, <span class="stringliteral">"elem_mult(Vec<T>, Sparse_Vec<T>)"</span>); |
---|
| 1071 | <a name="l01150"></a>01150 |
---|
| 1072 | <a name="l01151"></a>01151 Sparse_Vec<T> r(v2.v_size); |
---|
| 1073 | <a name="l01152"></a>01152 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p2 = 0; p2 < v2.used_size; p2++) { |
---|
| 1074 | <a name="l01153"></a>01153 <span class="keywordflow">if</span> (v1[v2.index[p2]] != T(0)) { |
---|
| 1075 | <a name="l01154"></a>01154 <span class="keywordflow">if</span> (r.used_size == r.data_size) |
---|
| 1076 | <a name="l01155"></a>01155 r.resize_data(r.used_size*2 + 100); |
---|
| 1077 | <a name="l01156"></a>01156 r.data[r.used_size] = v1[v2.index[p2]] * v2.data[p2]; |
---|
| 1078 | <a name="l01157"></a>01157 r.index[r.used_size] = v2.index[p2]; |
---|
| 1079 | <a name="l01158"></a>01158 r.used_size++; |
---|
| 1080 | <a name="l01159"></a>01159 } |
---|
| 1081 | <a name="l01160"></a>01160 } |
---|
| 1082 | <a name="l01161"></a>01161 r.compact(); |
---|
| 1083 | <a name="l01162"></a>01162 |
---|
| 1084 | <a name="l01163"></a>01163 <span class="keywordflow">return</span> r; |
---|
| 1085 | <a name="l01164"></a>01164 } |
---|
| 1086 | <a name="l01165"></a>01165 |
---|
| 1087 | <a name="l01166"></a>01166 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 1088 | <a name="l01167"></a>01167 Sparse_Vec<T> <a class="code" href="group__fixed.html#g683d6c037357e472e84756fe1b1faae8" title="Fix + cfixmat.">operator+</a>(<span class="keyword">const</span> Sparse_Vec<T> &v1, <span class="keyword">const</span> Sparse_Vec<T> &v2) |
---|
| 1089 | <a name="l01168"></a>01168 { |
---|
| 1090 | <a name="l01169"></a>01169 <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(v1.v_size == v2.v_size, <span class="stringliteral">"Sparse_Vec<T> + Sparse_Vec<T>"</span>); |
---|
| 1091 | <a name="l01170"></a>01170 |
---|
| 1092 | <a name="l01171"></a>01171 Sparse_Vec<T> r(v1); |
---|
| 1093 | <a name="l01172"></a>01172 ivec pos(v1.v_size); |
---|
| 1094 | <a name="l01173"></a>01173 pos = -1; |
---|
| 1095 | <a name="l01174"></a>01174 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> p1 = 0; p1 < v1.used_size; p1++) |
---|
| 1096 | <a name="l01175"></a>01175 pos[v1.index[p1]] = p1; |
---|
| 1097 | <a name="l01176"></a>01176 for (<span class="keywordtype">int</span> p2 = 0; p2 < v2.used_size; p2++) { |
---|
| 1098 | <a name="l01177"></a>01177 <span class="keywordflow">if</span> (pos[v2.index[p2]] == -1) {<span class="comment">// A new entry</span> |
---|
| 1099 | <a name="l01178"></a>01178 <span class="keywordflow">if</span> (r.used_size == r.data_size) |
---|
| 1100 | <a name="l01179"></a>01179 r.resize_data(r.used_size*2 + 100); |
---|
| 1101 | <a name="l01180"></a>01180 r.data[r.used_size] = v2.data[p2]; |
---|
| 1102 | <a name="l01181"></a>01181 r.index[r.used_size] = v2.index[p2]; |
---|
| 1103 | <a name="l01182"></a>01182 r.used_size++; |
---|
| 1104 | <a name="l01183"></a>01183 } |
---|
| 1105 | <a name="l01184"></a>01184 <span class="keywordflow">else</span> |
---|
| 1106 | <a name="l01185"></a>01185 r.data[pos[v2.index[p2]]] += v2.data[p2]; |
---|
| 1107 | <a name="l01186"></a>01186 } |
---|
| 1108 | <a name="l01187"></a>01187 r.check_small_elems_flag = <span class="keyword">true</span>; <span class="comment">// added dec 7, 2006</span> |
---|
| 1109 | <a name="l01188"></a>01188 r.compact(); |
---|
| 1110 | <a name="l01189"></a>01189 |
---|
| 1111 | <a name="l01190"></a>01190 <span class="keywordflow">return</span> r; |
---|
| 1112 | <a name="l01191"></a>01191 } |
---|
| 1113 | <a name="l01192"></a>01192 |
---|
| 1114 | <a name="l01194"></a>01194 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 1115 | <a name="l01195"></a>01195 <span class="keyword">inline</span> Sparse_Vec<T> sparse(<span class="keyword">const</span> Vec<T> &v) |
---|
| 1116 | <a name="l01196"></a>01196 { |
---|
| 1117 | <a name="l01197"></a>01197 Sparse_Vec<T> s(v); |
---|
| 1118 | <a name="l01198"></a>01198 <span class="keywordflow">return</span> s; |
---|
| 1119 | <a name="l01199"></a>01199 } |
---|
| 1120 | <a name="l01200"></a>01200 |
---|
| 1121 | <a name="l01202"></a>01202 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 1122 | <a name="l01203"></a>01203 <span class="keyword">inline</span> Sparse_Vec<T> sparse(<span class="keyword">const</span> Vec<T> &v, T epsilon) |
---|
| 1123 | <a name="l01204"></a>01204 { |
---|
| 1124 | <a name="l01205"></a>01205 Sparse_Vec<T> s(v, epsilon); |
---|
| 1125 | <a name="l01206"></a>01206 <span class="keywordflow">return</span> s; |
---|
| 1126 | <a name="l01207"></a>01207 } |
---|
| 1127 | <a name="l01208"></a>01208 |
---|
| 1128 | <a name="l01210"></a>01210 <span class="keyword">template</span> <<span class="keyword">class</span> T> |
---|
| 1129 | <a name="l01211"></a>01211 <span class="keyword">inline</span> Vec<T> full(<span class="keyword">const</span> Sparse_Vec<T> &s) |
---|
| 1130 | <a name="l01212"></a>01212 { |
---|
| 1131 | <a name="l01213"></a>01213 Vec<T> v; |
---|
| 1132 | <a name="l01214"></a>01214 s.full(v); |
---|
| 1133 | <a name="l01215"></a>01215 <span class="keywordflow">return</span> v; |
---|
| 1134 | <a name="l01216"></a>01216 } |
---|
| 1135 | <a name="l01217"></a>01217 |
---|
| 1136 | <a name="l01219"></a>01219 |
---|
| 1137 | <a name="l01220"></a>01220 <span class="comment">// ---------------------------------------------------------------------</span> |
---|
| 1138 | <a name="l01221"></a>01221 <span class="comment">// Instantiations</span> |
---|
| 1139 | <a name="l01222"></a>01222 <span class="comment">// ---------------------------------------------------------------------</span> |
---|
| 1140 | <a name="l01223"></a>01223 |
---|
| 1141 | <a name="l01224"></a>01224 <span class="preprocessor">#ifdef HAVE_EXTERN_TEMPLATE</span> |
---|
| 1142 | <a name="l01225"></a>01225 <span class="preprocessor"></span> |
---|
| 1143 | <a name="l01226"></a>01226 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keyword">class </span>Sparse_Vec<int>; |
---|
| 1144 | <a name="l01227"></a>01227 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keyword">class </span>Sparse_Vec<double>; |
---|
| 1145 | <a name="l01228"></a>01228 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keyword">class </span>Sparse_Vec<std::complex<double> >; |
---|
| 1146 | <a name="l01229"></a>01229 |
---|
| 1147 | <a name="l01230"></a>01230 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_ivec <a class="code" href="group__fixed.html#g683d6c037357e472e84756fe1b1faae8" title="Fix + cfixmat.">operator+</a>(<span class="keyword">const</span> sparse_ivec &, |
---|
| 1148 | <a name="l01231"></a>01231 <span class="keyword">const</span> sparse_ivec &); |
---|
| 1149 | <a name="l01232"></a>01232 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_vec <a class="code" href="group__fixed.html#g683d6c037357e472e84756fe1b1faae8" title="Fix + cfixmat.">operator+</a>(<span class="keyword">const</span> sparse_vec &, |
---|
| 1150 | <a name="l01233"></a>01233 <span class="keyword">const</span> sparse_vec &); |
---|
| 1151 | <a name="l01234"></a>01234 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_cvec <a class="code" href="group__fixed.html#g683d6c037357e472e84756fe1b1faae8" title="Fix + cfixmat.">operator+</a>(<span class="keyword">const</span> sparse_cvec &, |
---|
| 1152 | <a name="l01235"></a>01235 <span class="keyword">const</span> sparse_cvec &); |
---|
| 1153 | <a name="l01236"></a>01236 |
---|
| 1154 | <a name="l01237"></a>01237 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">int</span> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> sparse_ivec &, <span class="keyword">const</span> sparse_ivec &); |
---|
| 1155 | <a name="l01238"></a>01238 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">double</span> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> sparse_vec &, <span class="keyword">const</span> sparse_vec &); |
---|
| 1156 | <a name="l01239"></a>01239 <span class="keyword">extern</span> <span class="keyword">template</span> std::complex<double> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> sparse_cvec &, |
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| 1157 | <a name="l01240"></a>01240 <span class="keyword">const</span> sparse_cvec &); |
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| 1158 | <a name="l01241"></a>01241 |
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| 1159 | <a name="l01242"></a>01242 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">int</span> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> sparse_ivec &, <span class="keyword">const</span> ivec &); |
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| 1160 | <a name="l01243"></a>01243 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">double</span> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> sparse_vec &, <span class="keyword">const</span> vec &); |
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| 1161 | <a name="l01244"></a>01244 <span class="keyword">extern</span> <span class="keyword">template</span> std::complex<double> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> sparse_cvec &, |
---|
| 1162 | <a name="l01245"></a>01245 <span class="keyword">const</span> cvec &); |
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| 1163 | <a name="l01246"></a>01246 |
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| 1164 | <a name="l01247"></a>01247 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">int</span> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> ivec &, <span class="keyword">const</span> sparse_ivec &); |
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| 1165 | <a name="l01248"></a>01248 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">double</span> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> vec &, <span class="keyword">const</span> sparse_vec &); |
---|
| 1166 | <a name="l01249"></a>01249 <span class="keyword">extern</span> <span class="keyword">template</span> std::complex<double> <a class="code" href="group__fixed.html#g8bb80689611f7b6b0e36f5507d990af7" title="Fix * cfixmat.">operator*</a>(<span class="keyword">const</span> cvec &, |
---|
| 1167 | <a name="l01250"></a>01250 <span class="keyword">const</span> sparse_cvec &); |
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| 1168 | <a name="l01251"></a>01251 |
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| 1169 | <a name="l01252"></a>01252 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_ivec elem_mult(<span class="keyword">const</span> sparse_ivec &, |
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| 1170 | <a name="l01253"></a>01253 <span class="keyword">const</span> sparse_ivec &); |
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| 1171 | <a name="l01254"></a>01254 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_vec elem_mult(<span class="keyword">const</span> sparse_vec &, <span class="keyword">const</span> sparse_vec &); |
---|
| 1172 | <a name="l01255"></a>01255 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_cvec elem_mult(<span class="keyword">const</span> sparse_cvec &, |
---|
| 1173 | <a name="l01256"></a>01256 <span class="keyword">const</span> sparse_cvec &); |
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| 1174 | <a name="l01257"></a>01257 |
---|
| 1175 | <a name="l01258"></a>01258 <span class="keyword">extern</span> <span class="keyword">template</span> ivec elem_mult(<span class="keyword">const</span> sparse_ivec &, <span class="keyword">const</span> ivec &); |
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| 1176 | <a name="l01259"></a>01259 <span class="keyword">extern</span> <span class="keyword">template</span> vec elem_mult(<span class="keyword">const</span> sparse_vec &, <span class="keyword">const</span> vec &); |
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| 1177 | <a name="l01260"></a>01260 <span class="keyword">extern</span> <span class="keyword">template</span> cvec elem_mult(<span class="keyword">const</span> sparse_cvec &, <span class="keyword">const</span> cvec &); |
---|
| 1178 | <a name="l01261"></a>01261 |
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| 1179 | <a name="l01262"></a>01262 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_ivec elem_mult_s(<span class="keyword">const</span> sparse_ivec &, <span class="keyword">const</span> ivec &); |
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| 1180 | <a name="l01263"></a>01263 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_vec elem_mult_s(<span class="keyword">const</span> sparse_vec &, <span class="keyword">const</span> vec &); |
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| 1181 | <a name="l01264"></a>01264 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_cvec elem_mult_s(<span class="keyword">const</span> sparse_cvec &, <span class="keyword">const</span> cvec &); |
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| 1182 | <a name="l01265"></a>01265 |
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| 1183 | <a name="l01266"></a>01266 <span class="keyword">extern</span> <span class="keyword">template</span> ivec elem_mult(<span class="keyword">const</span> ivec &, <span class="keyword">const</span> sparse_ivec &); |
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| 1184 | <a name="l01267"></a>01267 <span class="keyword">extern</span> <span class="keyword">template</span> vec elem_mult(<span class="keyword">const</span> vec &, <span class="keyword">const</span> sparse_vec &); |
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| 1185 | <a name="l01268"></a>01268 <span class="keyword">extern</span> <span class="keyword">template</span> cvec elem_mult(<span class="keyword">const</span> cvec &, <span class="keyword">const</span> sparse_cvec &); |
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| 1186 | <a name="l01269"></a>01269 |
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| 1187 | <a name="l01270"></a>01270 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_ivec elem_mult_s(<span class="keyword">const</span> ivec &, <span class="keyword">const</span> sparse_ivec &); |
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| 1188 | <a name="l01271"></a>01271 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_vec elem_mult_s(<span class="keyword">const</span> vec &, <span class="keyword">const</span> sparse_vec &); |
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| 1189 | <a name="l01272"></a>01272 <span class="keyword">extern</span> <span class="keyword">template</span> sparse_cvec elem_mult_s(<span class="keyword">const</span> cvec &, <span class="keyword">const</span> sparse_cvec &); |
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| 1190 | <a name="l01273"></a>01273 |
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| 1191 | <a name="l01274"></a>01274 <span class="preprocessor">#endif // HAVE_EXTERN_TEMPLATE</span> |
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| 1192 | <a name="l01275"></a>01275 <span class="preprocessor"></span> |
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| 1193 | <a name="l01277"></a>01277 |
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| 1194 | <a name="l01278"></a>01278 } <span class="comment">// namespace itpp</span> |
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| 1195 | <a name="l01279"></a>01279 |
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| 1196 | <a name="l01280"></a>01280 <span class="preprocessor">#endif // #ifndef SVEC_H</span> |
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| 1197 | <a name="l01281"></a>01281 <span class="preprocessor"></span> |
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| 1198 | </pre></div></div> |
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| 1199 | <hr size="1"><address style="text-align: right;"><small>Generated on Tue Jun 2 10:02:13 2009 for mixpp by |
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| 1200 | <a href="http://www.doxygen.org/index.html"> |
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| 1201 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address> |
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| 1202 | </body> |
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| 1203 | </html> |
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