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| 7 | <meta http-equiv="Content-Type" content= | |
| 8 | "text/html; charset=us-ascii" /> | |
| 9 | <link rel="stylesheet" href="../../../../boost.css" type="text/css"/> | |
| 10 | <link rel="stylesheet" href="ublas.css" type="text/css" /> | |
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| 13 | <title>Vector Proxies</title> | |
| 14 | </head> | |
| 15 | <body> | |
| 16 | <h1><img src="../../../../boost.png" align="middle" />Vector Proxies</h1> | |
| 17 | <div class="toc" id="toc"></div> | |
| 18 | <h2><a name="vector_range"></a>Vector Range</h2> | |
| 19 | <h4>Description</h4> | |
| 20 | <p>The templated class <code>vector_range<V></code> allows | |
| 21 | addressing a sub-range of a vector's element.</p> | |
| 22 | <h4>Example</h4> | |
| 23 | <pre> | |
| 24 | #include <boost/numeric/ublas/vector.hpp> | |
| 25 | #include <boost/numeric/ublas/vector_proxy.hpp> | |
| 26 | #include <boost/numeric/ublas/io.hpp> | |
| 27 | ||
| 28 | int main () { | |
| 29 | using namespace boost::numeric::ublas; | |
| 30 | vector<double> v (3); | |
| 31 | vector_range<vector<double> > vr (v, range (0, 3)); | |
| 32 | for (unsigned i = 0; i < vr.size (); ++ i) | |
| 33 | vr (i) = i; | |
| 34 | std::cout << vr << std::endl; | |
| 35 | } | |
| 36 | </pre> | |
| 37 | <h4>Definition</h4> | |
| 38 | <p>Defined in the header vector_proxy.hpp.</p> | |
| 39 | <h4>Template parameters</h4> | |
| 40 | <table border="1" summary="parameters"> | |
| 41 | <tbody> | |
| 42 | <tr> | |
| 43 | <th>Parameter</th> | |
| 44 | <th>Description</th> | |
| 45 | <th>Default</th> | |
| 46 | </tr> | |
| 47 | <tr> | |
| 48 | <td><code>V</code></td> | |
| 49 | <td>The type of vector referenced.</td> | |
| 50 | <td></td> | |
| 51 | </tr> | |
| 52 | </tbody> | |
| 53 | </table> | |
| 54 | <h4>Model of</h4> | |
| 55 | <p><a href="expression_concept.html#vector_expression">Vector Expression</a> | |
| 56 | .</p> | |
| 57 | <p>If the specified range falls outside that of the index range of | |
| 58 | the vector, then the <code>vector_range</code> is not a well formed | |
| 59 | Vector Expression. That is, access to an element which is outside | |
| 60 | of index range of the vector is <i>undefined</i>.</p> | |
| 61 | <h4>Type requirements</h4> | |
| 62 | <p>None, except for those imposed by the requirements of <a href= | |
| 63 | "expression_concept.html#vector_expression">Vector Expression</a> .</p> | |
| 64 | <h4>Public base classes</h4> | |
| 65 | <p><code>vector_expression<vector_range<V> ></code></p> | |
| 66 | <h4>Members</h4> | |
| 67 | <table border="1" summary="members"> | |
| 68 | <tbody> | |
| 69 | <tr> | |
| 70 | <th>Member</th> | |
| 71 | <th>Description</th> | |
| 72 | </tr> | |
| 73 | <tr> | |
| 74 | <td><code>vector_range (vector_type &data, const range | |
| 75 | &r)</code></td> | |
| 76 | <td>Constructs a sub vector.</td> | |
| 77 | </tr> | |
| 78 | <tr> | |
| 79 | <td><code>size_type start () const</code></td> | |
| 80 | <td>Returns the start of the sub vector.</td> | |
| 81 | </tr> | |
| 82 | <tr> | |
| 83 | <td><code>size_type size () const</code></td> | |
| 84 | <td>Returns the size of the sub vector.</td> | |
| 85 | </tr> | |
| 86 | <tr> | |
| 87 | <td><code>const_reference operator () (size_type i) | |
| 88 | const</code></td> | |
| 89 | <td>Returns the value of the <code>i</code>-th element.</td> | |
| 90 | </tr> | |
| 91 | <tr> | |
| 92 | <td><code>reference operator () (size_type i)</code></td> | |
| 93 | <td>Returns a reference of the <code>i</code>-th element.</td> | |
| 94 | </tr> | |
| 95 | <tr> | |
| 96 | <td><code>const_reference operator [] (size_type i) | |
| 97 | const</code></td> | |
| 98 | <td>Returns the value of the <code>i</code>-th element.</td> | |
| 99 | </tr> | |
| 100 | <tr> | |
| 101 | <td><code>reference operator [] (size_type i)</code></td> | |
| 102 | <td>Returns a reference of the <code>i</code>-th element.</td> | |
| 103 | </tr> | |
| 104 | <tr> | |
| 105 | <td><code>vector_range &operator = (const vector_range | |
| 106 | &vr)</code></td> | |
| 107 | <td>The assignment operator.</td> | |
| 108 | </tr> | |
| 109 | <tr> | |
| 110 | <td><code>vector_range &assign_temporary (vector_range | |
| 111 | &vr)</code></td> | |
| 112 | <td>Assigns a temporary. May change the vector range | |
| 113 | <code>vr</code> .</td> | |
| 114 | </tr> | |
| 115 | <tr> | |
| 116 | <td><code>template<class AE><br /> | |
| 117 | vector_range &operator = (const vector_expression<AE> | |
| 118 | &ae)</code></td> | |
| 119 | <td>The extended assignment operator.</td> | |
| 120 | </tr> | |
| 121 | <tr> | |
| 122 | <td><code>template<class AE><br /> | |
| 123 | vector_range &assign (const vector_expression<AE> | |
| 124 | &ae)</code></td> | |
| 125 | <td>Assigns a vector expression to the sub vector. Left and right | |
| 126 | hand side of the assignment should be independent.</td> | |
| 127 | </tr> | |
| 128 | <tr> | |
| 129 | <td><code>template<class AE><br /> | |
| 130 | vector_range &operator += (const vector_expression<AE> | |
| 131 | &ae)</code></td> | |
| 132 | <td>A computed assignment operator. Adds the vector expression to | |
| 133 | the sub vector.</td> | |
| 134 | </tr> | |
| 135 | <tr> | |
| 136 | <td><code>template<class AE><br /> | |
| 137 | vector_range &plus_assign (const vector_expression<AE> | |
| 138 | &ae)</code></td> | |
| 139 | <td>Adds a vector expression to the sub vector. Left and right hand | |
| 140 | side of the assignment should be independent.</td> | |
| 141 | </tr> | |
| 142 | <tr> | |
| 143 | <td><code>template<class AE><br /> | |
| 144 | vector_range &operator -= (const vector_expression<AE> | |
| 145 | &ae)</code></td> | |
| 146 | <td>A computed assignment operator. Subtracts the vector expression | |
| 147 | from the sub vector.</td> | |
| 148 | </tr> | |
| 149 | <tr> | |
| 150 | <td><code>template<class AE><br /> | |
| 151 | vector_range &minus_assign (const vector_expression<AE> | |
| 152 | &ae)</code></td> | |
| 153 | <td>Subtracts a vector expression from the sub vector. Left and | |
| 154 | right hand side of the assignment should be independent.</td> | |
| 155 | </tr> | |
| 156 | <tr> | |
| 157 | <td><code>template<class AT><br /> | |
| 158 | vector_range &operator *= (const AT &at)</code></td> | |
| 159 | <td>A computed assignment operator. Multiplies the sub vector with | |
| 160 | a scalar.</td> | |
| 161 | </tr> | |
| 162 | <tr> | |
| 163 | <td><code>template<class AT><br /> | |
| 164 | vector_range &operator /= (const AT &at)</code></td> | |
| 165 | <td>A computed assignment operator. Divides the sub vector through | |
| 166 | a scalar.</td> | |
| 167 | </tr> | |
| 168 | <tr> | |
| 169 | <td><code>void swap (vector_range &vr)</code></td> | |
| 170 | <td>Swaps the contents of the sub vectors.</td> | |
| 171 | </tr> | |
| 172 | <tr> | |
| 173 | <td><code>const_iterator begin () const</code></td> | |
| 174 | <td>Returns a <code>const_iterator</code> pointing to the beginning | |
| 175 | of the <code>vector_range</code>.</td> | |
| 176 | </tr> | |
| 177 | <tr> | |
| 178 | <td><code>const_iterator end () const</code></td> | |
| 179 | <td>Returns a <code>const_iterator</code> pointing to the end of | |
| 180 | the <code>vector_range</code>.</td> | |
| 181 | </tr> | |
| 182 | <tr> | |
| 183 | <td><code>iterator begin ()</code></td> | |
| 184 | <td>Returns a <code>iterator</code> pointing to the beginning of | |
| 185 | the <code>vector_range</code>.</td> | |
| 186 | </tr> | |
| 187 | <tr> | |
| 188 | <td><code>iterator end ()</code></td> | |
| 189 | <td>Returns a <code>iterator</code> pointing to the end of the | |
| 190 | <code>vector_range</code>.</td> | |
| 191 | </tr> | |
| 192 | <tr> | |
| 193 | <td><code>const_reverse_iterator rbegin () const</code></td> | |
| 194 | <td>Returns a <code>const_reverse_iterator</code> pointing to the | |
| 195 | beginning of the reversed <code>vector_range</code>.</td> | |
| 196 | </tr> | |
| 197 | <tr> | |
| 198 | <td><code>const_reverse_iterator rend () const</code></td> | |
| 199 | <td>Returns a <code>const_reverse_iterator</code> pointing to the | |
| 200 | end of the reversed <code>vector_range</code>.</td> | |
| 201 | </tr> | |
| 202 | <tr> | |
| 203 | <td><code>reverse_iterator rbegin ()</code></td> | |
| 204 | <td>Returns a <code>reverse_iterator</code> pointing to the | |
| 205 | beginning of the reversed <code>vector_range</code>.</td> | |
| 206 | </tr> | |
| 207 | <tr> | |
| 208 | <td><code>reverse_iterator rend ()</code></td> | |
| 209 | <td>Returns a <code>reverse_iterator</code> pointing to the end of | |
| 210 | the reversed <code>vector_range</code>.</td> | |
| 211 | </tr> | |
| 212 | </tbody> | |
| 213 | </table> | |
| 214 | <h3>Simple Projections</h3> | |
| 215 | <h4>Description</h4> | |
| 216 | <p>The free <code>subrange</code> functions support the construction | |
| 217 | of vector ranges.</p> | |
| 218 | <h4>Prototypes</h4> | |
| 219 | <pre><code> | |
| 220 | template<class V> | |
| 221 | vector_range<V> subrange (V &data, | |
| 222 | V::size_type start, V::size_type stop); | |
| 223 | template<class V> | |
| 224 | const vector_range<const V> subrange (const V &data, | |
| 225 | V::size_type start, V::size_type stop); | |
| 226 | </code></pre> | |
| 227 | <h3>Generic Projections</h3> | |
| 228 | <h4>Description</h4> | |
| 229 | <p>The free <code>project</code> functions support the construction | |
| 230 | of vector ranges. Existing <code>matrix_range</code>'s can be composed with a further range. The resulting range is computed using this existing range's <code>compose</code> function.</p> | |
| 231 | <h4>Prototypes</h4> | |
| 232 | <pre><code> | |
| 233 | template<class V> | |
| 234 | vector_range<V> project (V &data, const range &r); | |
| 235 | template<class V> | |
| 236 | const vector_range<const V> project (const V &data, const range &r); | |
| 237 | template<class V> | |
| 238 | vector_range<V> project (vector_range<V> &data, const range &r); | |
| 239 | template<class V> | |
| 240 | const vector_range<V> project (const vector_range<V> &data, const range &r); | |
| 241 | </code></pre> | |
| 242 | <h4>Definition</h4> | |
| 243 | <p>Defined in the header vector_proxy.hpp.</p> | |
| 244 | <h4>Type requirements</h4> | |
| 245 | <ul> | |
| 246 | <li><code>V</code> is a model of <a href= | |
| 247 | "expression_concept.html#vector_expression">Vector Expression</a> .</li> | |
| 248 | </ul> | |
| 249 | <h4>Complexity</h4> | |
| 250 | <p>Linear depending from the size of the range.</p> | |
| 251 | <h4>Examples</h4> | |
| 252 | <pre> | |
| 253 | #include <boost/numeric/ublas/vector.hpp> | |
| 254 | #include <boost/numeric/ublas/vector_proxy.hpp> | |
| 255 | #include <boost/numeric/ublas/io.hpp> | |
| 256 | ||
| 257 | int main () { | |
| 258 | using namespace boost::numeric::ublas; | |
| 259 | vector<double> v (3); | |
| 260 | for (int i = 0; i < 3; ++ i) | |
| 261 | project (v, range (0, 3)) (i) = i; | |
| 262 | std::cout << project (v, range (0, 3)) << std::endl; | |
| 263 | } | |
| 264 | </pre> | |
| 265 | <h2><a name="vector_slice"></a>Vector Slice</h2> | |
| 266 | <h4>Description</h4> | |
| 267 | <p>The templated class <code>vector_slice<V></code> allows | |
| 268 | addressing a slice of a vector.</p> | |
| 269 | <h4>Example</h4> | |
| 270 | <pre> | |
| 271 | #include <boost/numeric/ublas/vector.hpp> | |
| 272 | #include <boost/numeric/ublas/vector_proxy.hpp> | |
| 273 | #include <boost/numeric/ublas/io.hpp> | |
| 274 | ||
| 275 | int main () { | |
| 276 | using namespace boost::numeric::ublas; | |
| 277 | vector<double> v (3); | |
| 278 | vector_slice<vector<double> > vs (v, slice (0, 1, 3)); | |
| 279 | for (unsigned i = 0; i < vs.size (); ++ i) | |
| 280 | vs (i) = i; | |
| 281 | std::cout << vs << std::endl; | |
| 282 | } | |
| 283 | </pre> | |
| 284 | <h4>Definition</h4> | |
| 285 | <p>Defined in the header vector_proxy.hpp.</p> | |
| 286 | <h4>Template parameters</h4> | |
| 287 | <table border="1" summary="parameters"> | |
| 288 | <tbody> | |
| 289 | <tr> | |
| 290 | <th>Parameter</th> | |
| 291 | <th>Description</th> | |
| 292 | <th>Default</th> | |
| 293 | </tr> | |
| 294 | <tr> | |
| 295 | <td><code>V</code></td> | |
| 296 | <td>The type of vector referenced.</td> | |
| 297 | <td></td> | |
| 298 | </tr> | |
| 299 | </tbody> | |
| 300 | </table> | |
| 301 | <h4>Model of</h4> | |
| 302 | <p><a href="expression_concept.html#vector_expression">Vector Expression</a> | |
| 303 | .</p> | |
| 304 | <p>If the specified slice falls outside that of the index range of | |
| 305 | the vector, then the <code>vector_slice</code> is not a well formed | |
| 306 | Vector Expression. That is, access to an element which is outside | |
| 307 | of index range of the vector is <i>undefined</i>.</p> | |
| 308 | <h4>Type requirements</h4> | |
| 309 | <p>None, except for those imposed by the requirements of <a href= | |
| 310 | "expression_concept.html#vector_expression">Vector Expression</a> .</p> | |
| 311 | <h4>Public base classes</h4> | |
| 312 | <p><code>vector_expression<vector_slice<V> ></code></p> | |
| 313 | <h4>Members</h4> | |
| 314 | <table border="1" summary="members"> | |
| 315 | <tbody> | |
| 316 | <tr> | |
| 317 | <th>Member</th> | |
| 318 | <th>Description</th> | |
| 319 | </tr> | |
| 320 | <tr> | |
| 321 | <td><code>vector_slice (vector_type &data, const slice | |
| 322 | &s)</code></td> | |
| 323 | <td>Constructs a sub vector.</td> | |
| 324 | </tr> | |
| 325 | <tr> | |
| 326 | <td><code>size_type size () const</code></td> | |
| 327 | <td>Returns the size of the sub vector.</td> | |
| 328 | </tr> | |
| 329 | <tr> | |
| 330 | <td><code>const_reference operator () (size_type i) | |
| 331 | const</code></td> | |
| 332 | <td>Returns the value of the <code>i</code>-th element.</td> | |
| 333 | </tr> | |
| 334 | <tr> | |
| 335 | <td><code>reference operator () (size_type i)</code></td> | |
| 336 | <td>Returns a reference of the <code>i</code>-th element.</td> | |
| 337 | </tr> | |
| 338 | <tr> | |
| 339 | <td><code>const_reference operator [] (size_type i) | |
| 340 | const</code></td> | |
| 341 | <td>Returns the value of the <code>i</code>-th element.</td> | |
| 342 | </tr> | |
| 343 | <tr> | |
| 344 | <td><code>reference operator [] (size_type i)</code></td> | |
| 345 | <td>Returns a reference of the <code>i</code>-th element.</td> | |
| 346 | </tr> | |
| 347 | <tr> | |
| 348 | <td><code>vector_slice &operator = (const vector_slice | |
| 349 | &vs)</code></td> | |
| 350 | <td>The assignment operator.</td> | |
| 351 | </tr> | |
| 352 | <tr> | |
| 353 | <td><code>vector_slice &assign_temporary (vector_slice | |
| 354 | &vs)</code></td> | |
| 355 | <td>Assigns a temporary. May change the vector slice | |
| 356 | <code>vs</code> .</td> | |
| 357 | </tr> | |
| 358 | <tr> | |
| 359 | <td><code>template<class AE><br /> | |
| 360 | vector_slice &operator = (const vector_expression<AE> | |
| 361 | &ae)</code></td> | |
| 362 | <td>The extended assignment operator.</td> | |
| 363 | </tr> | |
| 364 | <tr> | |
| 365 | <td><code>template<class AE><br /> | |
| 366 | vector_slice &assign (const vector_expression<AE> | |
| 367 | &ae)</code></td> | |
| 368 | <td>Assigns a vector expression to the sub vector. Left and right | |
| 369 | hand side of the assignment should be independent.</td> | |
| 370 | </tr> | |
| 371 | <tr> | |
| 372 | <td><code>template<class AE><br /> | |
| 373 | vector_slice &operator += (const vector_expression<AE> | |
| 374 | &ae)</code></td> | |
| 375 | <td>A computed assignment operator. Adds the vector expression to | |
| 376 | the sub vector.</td> | |
| 377 | </tr> | |
| 378 | <tr> | |
| 379 | <td><code>template<class AE><br /> | |
| 380 | vector_slice &plus_assign (const vector_expression<AE> | |
| 381 | &ae)</code></td> | |
| 382 | <td>Adds a vector expression to the sub vector. Left and right hand | |
| 383 | side of the assignment should be independent.</td> | |
| 384 | </tr> | |
| 385 | <tr> | |
| 386 | <td><code>template<class AE><br /> | |
| 387 | vector_slice &operator -= (const vector_expression<AE> | |
| 388 | &ae)</code></td> | |
| 389 | <td>A computed assignment operator. Subtracts the vector expression | |
| 390 | from the sub vector.</td> | |
| 391 | </tr> | |
| 392 | <tr> | |
| 393 | <td><code>template<class AE><br /> | |
| 394 | vector_slice &minus_assign (const vector_expression<AE> | |
| 395 | &ae)</code></td> | |
| 396 | <td>Subtracts a vector expression from the sub vector. Left and | |
| 397 | right hand side of the assignment should be independent.</td> | |
| 398 | </tr> | |
| 399 | <tr> | |
| 400 | <td><code>template<class AT><br /> | |
| 401 | vector_slice &operator *= (const AT &at)</code></td> | |
| 402 | <td>A computed assignment operator. Multiplies the sub vector with | |
| 403 | a scalar.</td> | |
| 404 | </tr> | |
| 405 | <tr> | |
| 406 | <td><code>template<class AT><br /> | |
| 407 | vector_slice &operator /= (const AT &at)</code></td> | |
| 408 | <td>A computed assignment operator. Divides the sub vector through | |
| 409 | a scalar.</td> | |
| 410 | </tr> | |
| 411 | <tr> | |
| 412 | <td><code>void swap (vector_slice &vs)</code></td> | |
| 413 | <td>Swaps the contents of the sub vectors.</td> | |
| 414 | </tr> | |
| 415 | <tr> | |
| 416 | <td><code>const_iterator begin () const</code></td> | |
| 417 | <td>Returns a <code>const_iterator</code> pointing to the beginning | |
| 418 | of the <code>vector_slice</code>.</td> | |
| 419 | </tr> | |
| 420 | <tr> | |
| 421 | <td><code>const_iterator end () const</code></td> | |
| 422 | <td>Returns a <code>const_iterator</code> pointing to the end of | |
| 423 | the <code>vector_slice</code>.</td> | |
| 424 | </tr> | |
| 425 | <tr> | |
| 426 | <td><code>iterator begin ()</code></td> | |
| 427 | <td>Returns a <code>iterator</code> pointing to the beginning of | |
| 428 | the <code>vector_slice</code>.</td> | |
| 429 | </tr> | |
| 430 | <tr> | |
| 431 | <td><code>iterator end ()</code></td> | |
| 432 | <td>Returns a <code>iterator</code> pointing to the end of the | |
| 433 | <code>vector_slice</code>.</td> | |
| 434 | </tr> | |
| 435 | <tr> | |
| 436 | <td><code>const_reverse_iterator rbegin () const</code></td> | |
| 437 | <td>Returns a <code>const_reverse_iterator</code> pointing to the | |
| 438 | beginning of the reversed <code>vector_slice</code>.</td> | |
| 439 | </tr> | |
| 440 | <tr> | |
| 441 | <td><code>const_reverse_iterator rend () const</code></td> | |
| 442 | <td>Returns a <code>const_reverse_iterator</code> pointing to the | |
| 443 | end of the reversed <code>vector_slice</code>.</td> | |
| 444 | </tr> | |
| 445 | <tr> | |
| 446 | <td><code>reverse_iterator rbegin ()</code></td> | |
| 447 | <td>Returns a <code>reverse_iterator</code> pointing to the | |
| 448 | beginning of the reversed <code>vector_slice</code>.</td> | |
| 449 | </tr> | |
| 450 | <tr> | |
| 451 | <td><code>reverse_iterator rend ()</code></td> | |
| 452 | <td>Returns a <code>reverse_iterator</code> pointing to the end of | |
| 453 | the reversed <code>vector_slice</code>.</td> | |
| 454 | </tr> | |
| 455 | </tbody> | |
| 456 | </table> | |
| 457 | <h3>Simple Projections</h3> | |
| 458 | <h4>Description</h4> | |
| 459 | <p>The free <code>subslice</code> functions support the construction | |
| 460 | of vector slices.</p> | |
| 461 | <h4>Prototypes</h4> | |
| 462 | <pre><code> | |
| 463 | template<class V> | |
| 464 | vector_slice<V> subslice (V &data, | |
| 465 | V::size_type start, V::difference_type stride, V::size_type size); | |
| 466 | template<class V> | |
| 467 | const vector_slice<const V> subslice (const V &data, | |
| 468 | V::size_type start, V::difference_type stride, V::size_type size); | |
| 469 | </code></pre> | |
| 470 | <h3>Generic Projections</h3> | |
| 471 | <h4>Description</h4> | |
| 472 | <p>The free <code>project</code> functions support the construction | |
| 473 | of vector slices. Existing <code>vector_slice</code>'s can be composed with a further range or slices. The resulting slice is computed using this existing slices's <code>compose</code> function.</p> | |
| 474 | <h4>Prototypes</h4> | |
| 475 | <pre><code> | |
| 476 | template<class V> | |
| 477 | vector_slice<V> project (V &data, const slice &s); | |
| 478 | template<class V> | |
| 479 | const vector_slice<const V> project (const V &data, const slice &s); | |
| 480 | template<class V> | |
| 481 | vector_slice<V> project (vector_slice<V> &data, const range &r); | |
| 482 | template<class V> | |
| 483 | const vector_slice<V> project (const vector_slice<V> &data, const range &r); | |
| 484 | template<class V> | |
| 485 | vector_slice<V> project (vector_slice<V> &data, const slice &s); | |
| 486 | template<class V> | |
| 487 | const vector_slice<V> project (const vector_slice<V> &data, const slice &s); | |
| 488 | </code></pre> | |
| 489 | <h4>Definition</h4> | |
| 490 | <p>Defined in the header vector_proxy.hpp.</p> | |
| 491 | <h4>Type requirements</h4> | |
| 492 | <ul> | |
| 493 | <li><code>V</code> is a model of <a href= | |
| 494 | "expression_concept.html#vector_expression">Vector Expression</a> .</li> | |
| 495 | </ul> | |
| 496 | <h4>Complexity</h4> | |
| 497 | <p>Linear depending from the size of the slice.</p> | |
| 498 | <h4>Examples</h4> | |
| 499 | <pre> | |
| 500 | #include <boost/numeric/ublas/vector.hpp> | |
| 501 | #include <boost/numeric/ublas/vector_proxy.hpp> | |
| 502 | #include <boost/numeric/ublas/io.hpp> | |
| 503 | ||
| 504 | int main () { | |
| 505 | using namespace boost::numeric::ublas; | |
| 506 | vector<double> v (3); | |
| 507 | for (int i = 0; i < 3; ++ i) | |
| 508 | project (v, slice (0, 1, 3)) (i) = i; | |
| 509 | std::cout << project (v, slice (0, 1, 3)) << std::endl; | |
| 510 | } | |
| 511 | </pre> | |
| 512 | <hr /> | |
| 513 | <p>Copyright (©) 2000-2002 Joerg Walter, Mathias Koch<br /> | |
| 514 | Use, modification and distribution are subject to the | |
| 515 | Boost Software License, Version 1.0. | |
| 516 | (See accompanying file LICENSE_1_0.txt | |
| 517 | or copy at <a href="http://www.boost.org/LICENSE_1_0.txt"> | |
| 518 | http://www.boost.org/LICENSE_1_0.txt | |
| 519 | </a>). | |
| 520 | </p> | |
| 521 | <script type="text/javascript"> | |
| 522 | (function($) { | |
| 523 | $('#toc').toc(); | |
| 524 | })(jQuery); | |
| 525 | </script> | |
| 526 | </body> | |
| 527 | </html> |