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756 lines
24 KiB
HTML
756 lines
24 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta name="generator" content=
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"HTML Tidy for Linux/x86 (vers 1st March 2004), see www.w3.org" />
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<meta http-equiv="Content-Type" content=
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"text/html; charset=us-ascii" />
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<link rel="stylesheet" href="../../../../boost.css" type="text/css"/>
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<link rel="stylesheet" href="ublas.css" type="text/css" />
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<script type="text/javascript" src="js/jquery-1.3.2.min.js" async="async" ></script>
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<script type="text/javascript" src="js/jquery.toc-gw.js" async="async" ></script>
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<title>Vector</title>
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</head>
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<body>
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<h1><img src="../../../../boost.png" align="middle" />Vector</h1>
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<div class="toc" id="toc"></div>
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<h2><a name="vector"></a>Vector</h2>
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<h4>Description</h4>
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<p>The templated class <code>vector<T, A></code> is the base
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container adaptor for dense vectors. For a <em>n</em>-dimensional
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vector and <em>0 <= i < n</em> every element
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<em>v</em><sub><em>i</em></sub> is mapped to the <em>i-</em>th
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element of the container.</p>
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<h4>Example</h4>
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<pre>
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#include <boost/numeric/ublas/vector.hpp>
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#include <boost/numeric/ublas/io.hpp>
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int main () {
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using namespace boost::numeric::ublas;
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vector<double> v (3);
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for (unsigned i = 0; i < v.size (); ++ i)
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v (i) = i;
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std::cout << v << std::endl;
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}
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</pre>
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<h4>Definition</h4>
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<p>Defined in the header vector.hpp.</p>
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<h4>Template parameters</h4>
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<table border="1" summary="parameters">
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<tbody>
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<tr>
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<th>Parameter</th>
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<th>Description</th>
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<th>Default</th>
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</tr>
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<tr>
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<td><code>T</code></td>
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<td>The type of object stored in the vector.</td>
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<td></td>
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</tr>
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<tr>
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<td><code>A</code></td>
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<td>The type of the <a href="storage_concept.html">Storage</a> array. <a href="#vector_1">[1]</a></td>
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<td><code>unbounded_array<T></code></td>
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</tr>
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</tbody>
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</table>
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<h4>Model of</h4>
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<p><a href="container_concept.html#vector">Vector</a>,
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<a href="http://www.sgi.com/tech/stl/RandomAccessContainer.html">RandomAccessContainer</a>
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</p>
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<h4>Type requirements</h4>
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<p>None, except for those imposed by the requirements of <a href=
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"container_concept.html#vector">Vector</a>
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and <a href="http://www.sgi.com/tech/stl/RandomAccessContainer.html">RandomAccessContainer</a>.</p>
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<h4>Public base classes</h4>
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<p><code>vector_container<vector<T, A> ></code></p>
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<h4>Members</h4>
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<table border="1" summary="members">
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<tbody>
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<tr>
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<th>Member</th>
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<th>Where defined</th>
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<th>Description</th>
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</tr>
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<tr>
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<td><code>value_type</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>reference</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>const_reference</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>size_type</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>difference_type</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>const_iterator</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>iterator</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>const_reverse_iterator</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>reverse_iterator</code>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>array_type</code>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>vector ()</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Allocates an uninitialized <code>vector</code> that holds zero
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elements.</td>
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</tr>
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<tr>
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<td><code>vector (size_type size)</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td>Allocates an uninitialized <code>vector</code> that holds
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<code>size</code> elements.</td>
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</tr>
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<tr>
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<td><code>vector (const vector &v)</code></td>
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<td></td>
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<td>The copy constructor.</td>
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</tr>
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<tr>
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<td><code>template<class AE><br />
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vector (const vector_expression<AE> &ae)</code></td>
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<td></td>
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<td>The extended copy constructor.</td>
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</tr>
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<tr>
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<td><code>void resize (size_type size, bool preserve =
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true)</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td>Reallocates a <code>vector</code> to hold <code>size</code>
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elements. The existing elements of the <code>vector</code> are
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preseved when specified.</td>
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</tr>
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<tr>
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<td><code>size_type size () const</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Returns the size of the <code>vector</code>.</td>
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</tr>
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<tr>
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<td><code>size_type max_size () const</code></td>
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<td><a href="http://www.sgi.com/tech/stl/RandomAccessContainer.html">RandomAccessContainer</a></td>
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<td>Returns the upper bound on the size of the <code>vector</code>.</td>
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</tr>
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<tr>
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<td><code>bool empty () const</code></td>
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<td><a href="http://www.sgi.com/tech/stl/RandomAccessContainer.html">RandomAccessContainer</a></td>
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<td>Equivilent to <code>size () == 0</code>.</td>
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</tr>
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<tr>
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<td><code>const array_type& data () const</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>array_type& data ()</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td></td>
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</tr>
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<tr>
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<td><code>const_reference operator () (size_type i)
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const</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Returns a <code>const</code> reference of the <code>i</code>
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-th element.</td>
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</tr>
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<tr>
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<td><code>reference operator () (size_type i)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Returns a reference of the <code>i</code>-th element.</td>
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</tr>
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<tr>
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<td><code>const_reference operator [] (size_type i) const</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td>Returns a <code>const</code> reference of the <code>i</code>
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-th element.</td>
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</tr>
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<tr>
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<td><code>reference operator [] (size_type i)</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td>Returns a reference of the <code>i</code>-th element.</td>
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</tr>
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<tr>
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<td><code>vector &operator = (const vector &v)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>The assignment operator.</td>
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</tr>
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<tr>
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<td><code>vector &assign_temporary (vector &v)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Assigns a temporary. May change the vector <code>v</code>.</td>
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</tr>
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<tr>
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<td><code>template<class AE><br />
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vector &operator = (const vector_expression<AE>
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&ae)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>The extended assignment operator.</td>
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</tr>
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<tr>
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<td><code>template<class AE><br />
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vector &assign (const vector_expression<AE>
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&ae)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Assigns a vector expression to the vector. Left and right hand
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side of the assignment should be independent.</td>
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</tr>
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<tr>
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<td><code>template<class AE><br />
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vector &operator += (const vector_expression<AE>
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&ae)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>A computed assignment operator. Adds the vector expression to
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the vector.</td>
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</tr>
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<tr>
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<td><code>template<class AE><br />
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vector &plus_assign (const vector_expression<AE>
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&ae)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Adds a vector expression to the vector. Left and right hand
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side of the assignment should be independent.</td>
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</tr>
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<tr>
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<td><code>template<class AE><br />
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vector &operator -= (const vector_expression<AE>
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&ae)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>A computed assignment operator. Subtracts the vector expression
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from the vector.</td>
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</tr>
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<tr>
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<td><code>template<class AE><br />
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vector &minus_assign (const vector_expression<AE>
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&ae)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Subtracts a vector expression from the vector. Left and right
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hand side of the assignment should be independent.</td>
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</tr>
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<tr>
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<td><code>template<class AT><br />
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vector &operator *= (const AT &at)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>A computed assignment operator. Multiplies the vector with a
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scalar.</td>
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</tr>
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<tr>
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<td><code>template<class AT><br />
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vector &operator /= (const AT &at)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>A computed assignment operator. Divides the vector through a
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scalar.</td>
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</tr>
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<tr>
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<td><code>void swap (vector &v)</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Swaps the contents of the vectors.</td>
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</tr>
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<tr>
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<td><code>void insert_element (size_type i, const_reference t)</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td>Inserts the value <code>t</code> at the <code>i</code>-th
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element.</td>
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</tr>
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<tr>
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<td><code>void erase_element (size_type i)</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td>Erases the value at the <code>i</code>-th element.</td>
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</tr>
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<tr>
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<td><code>void clear ()</code></td>
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<td><a href="container_concept.html#vector">Vector</a></td>
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<td>Clears the vector.</td>
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</tr>
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<tr>
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<td><code>const_iterator begin () const</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Returns a <code>const_iterator</code> pointing to the beginning
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of the <code>vector</code>.</td>
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</tr>
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<tr>
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<td><code>const_iterator end () const</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Returns a <code>const_iterator</code> pointing to the end of
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the <code>vector</code>.</td>
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</tr>
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<tr>
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<td><code>iterator begin ()</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Returns a <code>iterator</code> pointing to the beginning of
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the <code>vector</code>.</td>
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</tr>
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<tr>
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<td><code>iterator end ()</code></td>
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<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
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<td>Returns a <code>iterator</code> pointing to the end of the
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<code>vector</code>.</td>
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</tr>
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<tr>
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<td><code>const_reverse_iterator rbegin () const</code></td>
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|
|
<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
|
||
|
|
<td>Returns a <code>const_reverse_iterator</code> pointing to the
|
||
|
|
beginning of the reversed <code>vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reverse_iterator rend () const</code></td>
|
||
|
|
<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
|
||
|
|
<td>Returns a <code>const_reverse_iterator</code> pointing to the
|
||
|
|
end of the reversed <code>vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>reverse_iterator rbegin ()</code></td>
|
||
|
|
<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
|
||
|
|
<td>Returns a <code>reverse_iterator</code> pointing to the
|
||
|
|
beginning of the reversed <code>vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>reverse_iterator rend ()</code></td>
|
||
|
|
<td><a href="expression_concept.html#vector_expression">VectorExpression</a></td>
|
||
|
|
<td>Returns a <code>reverse_iterator</code> pointing to the end of
|
||
|
|
the reversed <code>vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<h4>Notes</h4>
|
||
|
|
<p><a name="vector_1">[1]</a> Common parameters
|
||
|
|
for the Storage array are <code>unbounded_array<T></code> ,
|
||
|
|
<code>bounded_array<T></code> and
|
||
|
|
<code>std::vector<T></code> .</p>
|
||
|
|
<h2><a name="unit_vector"></a>Unit Vector</h2>
|
||
|
|
<h4>Description</h4>
|
||
|
|
<p>The templated class <code>unit_vector<T, ALLOC></code> represents
|
||
|
|
canonical unit vectors. For the <em>k</em>-th
|
||
|
|
<em>n</em>-dimensional canonical unit vector and <em>0 <= i <
|
||
|
|
n</em> holds <em>u</em><sup><em>k</em></sup><sub><em>i</em></sub>
|
||
|
|
<em>= 0</em>, if <em>i <> k</em>, and
|
||
|
|
<em>u</em><sup><em>k</em></sup><sub><em>i</em></sub> <em>=
|
||
|
|
1</em>.</p>
|
||
|
|
<h4>Example</h4>
|
||
|
|
<pre>
|
||
|
|
#include <boost/numeric/ublas/vector.hpp>
|
||
|
|
#include <boost/numeric/ublas/io.hpp>
|
||
|
|
|
||
|
|
int main () {
|
||
|
|
using namespace boost::numeric::ublas;
|
||
|
|
for (int i = 0; i < 3; ++ i) {
|
||
|
|
unit_vector<double> v (3, i);
|
||
|
|
std::cout << v << std::endl;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
<h4>Definition</h4>
|
||
|
|
<p>Defined in the header vector.hpp.</p>
|
||
|
|
<h4>Template parameters</h4>
|
||
|
|
<table border="1" summary="parameters">
|
||
|
|
<tbody>
|
||
|
|
<tr>
|
||
|
|
<th>Parameter</th>
|
||
|
|
<th>Description</th>
|
||
|
|
<th>Default</th>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>T</code></td>
|
||
|
|
<td>The type of object stored in the vector.</td>
|
||
|
|
<td><code>int</code></td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>ALLOC</code></td>
|
||
|
|
<td>An STL Allocator for size_type and difference_type.</td>
|
||
|
|
<td>std::allocator</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<h4>Model of</h4>
|
||
|
|
<p><a href="container_concept.html#vector">Vector</a> .</p>
|
||
|
|
<h4>Type requirements</h4>
|
||
|
|
<p>None, except for those imposed by the requirements of
|
||
|
|
<a href="container_concept.html#vector">Vector</a> .</p>
|
||
|
|
<h4>Public base classes</h4>
|
||
|
|
<p><code>vector_container<unit_vector<T> ></code></p>
|
||
|
|
<h4>Members</h4>
|
||
|
|
<table border="1" summary="members">
|
||
|
|
<tbody>
|
||
|
|
<tr>
|
||
|
|
<th>Member</th>
|
||
|
|
<th>Description</th>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>unit_vector ()</code></td>
|
||
|
|
<td>Constructs an <code>unit_vector</code> that holds zero
|
||
|
|
elements.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>unit_vector (size_type size, size_type index)</code></td>
|
||
|
|
<td>Constructs the <code>index</code>-th <code>unit_vector</code>
|
||
|
|
that holds <code>size</code> elements.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>unit_vector (const unit_vector &v)</code></td>
|
||
|
|
<td>The copy constructor.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>void resize (size_type size, bool preserve =
|
||
|
|
true)</code></td>
|
||
|
|
<td>Resizes a <code>unit_vector</code> to hold <code>size</code>
|
||
|
|
elements. Therefore the existing elements of the
|
||
|
|
<code>unit_vector</code> are always preseved.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>size_type size () const</code></td>
|
||
|
|
<td>Returns the size of the <code>unit_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>size_type index () const</code></td>
|
||
|
|
<td>Returns the index of the <code>unit_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reference operator () (size_type i)
|
||
|
|
const</code></td>
|
||
|
|
<td>Returns the value of the <code>i</code>-th element.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reference operator [] (size_type i)
|
||
|
|
const</code></td>
|
||
|
|
<td>Returns the value of the <code>i</code>-th element.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>unit_vector &operator = (const unit_vector
|
||
|
|
&v)</code></td>
|
||
|
|
<td>The assignment operator.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>unit_vector &assign_temporary (unit_vector
|
||
|
|
&v)</code></td>
|
||
|
|
<td>Assigns a temporary. May change the unit vector <code>v</code>
|
||
|
|
.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>void swap (unit_vector &v)</code></td>
|
||
|
|
<td>Swaps the contents of the unit vectors.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_iterator begin () const</code></td>
|
||
|
|
<td>Returns a <code>const_iterator</code> pointing to the beginning
|
||
|
|
of the <code>unit_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_iterator end () const</code></td>
|
||
|
|
<td>Returns a <code>const_iterator</code> pointing to the end of
|
||
|
|
the <code>unit_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reverse_iterator rbegin () const</code></td>
|
||
|
|
<td>Returns a <code>const_reverse_iterator</code> pointing to the
|
||
|
|
beginning of the reversed <code>unit_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reverse_iterator rend () const</code></td>
|
||
|
|
<td>Returns a <code>const_reverse_iterator</code> pointing to the
|
||
|
|
end of the reversed <code>unit_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<h2><a name="zero_vector"></a>Zero Vector</h2>
|
||
|
|
<h4>Description</h4>
|
||
|
|
<p>The templated class <code>zero_vector<T, ALLOC></code> represents
|
||
|
|
zero vectors. For a <em>n</em>-dimensional zero vector and <em>0
|
||
|
|
<= i < n</em> holds <em>z</em><sub><em>i</em></sub> <em>=
|
||
|
|
0</em>.</p>
|
||
|
|
<h4>Example</h4>
|
||
|
|
<pre>
|
||
|
|
#include <boost/numeric/ublas/vector.hpp>
|
||
|
|
#include <boost/numeric/ublas/io.hpp>
|
||
|
|
|
||
|
|
int main () {
|
||
|
|
using namespace boost::numeric::ublas;
|
||
|
|
zero_vector<double> v (3);
|
||
|
|
std::cout << v << std::endl;
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
<h4>Definition</h4>
|
||
|
|
<p>Defined in the header vector.hpp.</p>
|
||
|
|
<h4>Template parameters</h4>
|
||
|
|
<table border="1" summary="parameters">
|
||
|
|
<tbody>
|
||
|
|
<tr>
|
||
|
|
<th>Parameter</th>
|
||
|
|
<th>Description</th>
|
||
|
|
<th>Default</th>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>T</code></td>
|
||
|
|
<td>The type of object stored in the vector.</td>
|
||
|
|
<td><code>int</code></td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>ALLOC</code></td>
|
||
|
|
<td>An STL Allocator for size_type and difference_type.</td>
|
||
|
|
<td>std::allocator</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<h4>Model of</h4>
|
||
|
|
<p><a href="container_concept.html#vector">Vector</a> .</p>
|
||
|
|
<h4>Type requirements</h4>
|
||
|
|
<p>None, except for those imposed by the requirements of
|
||
|
|
<a href="container_concept.html#vector">Vector</a> .</p>
|
||
|
|
<h4>Public base classes</h4>
|
||
|
|
<p><code>vector_container<zero_vector<T> ></code></p>
|
||
|
|
<h4>Members</h4>
|
||
|
|
<table border="1" summary="members">
|
||
|
|
<tbody>
|
||
|
|
<tr>
|
||
|
|
<th>Member</th>
|
||
|
|
<th>Description</th>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>zero_vector ()</code></td>
|
||
|
|
<td>Constructs a <code>zero_vector</code> that holds zero
|
||
|
|
elements.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>zero_vector (size_type size)</code></td>
|
||
|
|
<td>Constructs a <code>zero_vector</code> that holds
|
||
|
|
<code>size</code> elements.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>zero_vector (const zero_vector &v)</code></td>
|
||
|
|
<td>The copy constructor.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>void resize (size_type size, bool preserve =
|
||
|
|
true)</code></td>
|
||
|
|
<td>Resizes a <code>zero_vector</code> to hold <code>size</code>
|
||
|
|
elements. Therefore the existing elements of the
|
||
|
|
<code>zero_vector</code> are always preseved.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>size_type size () const</code></td>
|
||
|
|
<td>Returns the size of the <code>zero_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reference operator () (size_type i)
|
||
|
|
const</code></td>
|
||
|
|
<td>Returns the value of the <code>i</code>-th element.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reference operator [] (size_type i)
|
||
|
|
const</code></td>
|
||
|
|
<td>Returns the value of the <code>i</code>-th element.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>zero_vector &operator = (const zero_vector
|
||
|
|
&v)</code></td>
|
||
|
|
<td>The assignment operator.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>zero_vector &assign_temporary (zero_vector
|
||
|
|
&v)</code></td>
|
||
|
|
<td>Assigns a temporary. May change the zero vector <code>v</code>
|
||
|
|
.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>void swap (zero_vector &v)</code></td>
|
||
|
|
<td>Swaps the contents of the zero vectors.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_iterator begin () const</code></td>
|
||
|
|
<td>Returns a <code>const_iterator</code> pointing to the beginning
|
||
|
|
of the <code>zero_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_iterator end () const</code></td>
|
||
|
|
<td>Returns a <code>const_iterator</code> pointing to the end of
|
||
|
|
the <code>zero_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reverse_iterator rbegin () const</code></td>
|
||
|
|
<td>Returns a <code>const_reverse_iterator</code> pointing to the
|
||
|
|
beginning of the reversed <code>zero_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reverse_iterator rend () const</code></td>
|
||
|
|
<td>Returns a <code>const_reverse_iterator</code> pointing to the
|
||
|
|
end of the reversed <code>zero_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<h2><a name="scalar_vector"></a>Scalar Vector</h2>
|
||
|
|
<h4>Description</h4>
|
||
|
|
<p>The templated class <code>scalar_vector<T, ALLOC></code>
|
||
|
|
represents scalar vectors. For a <em>n</em>-dimensional scalar
|
||
|
|
vector and <em>0 <= i < n</em> holds
|
||
|
|
<em>z</em><sub><em>i</em></sub> <em>= s</em>.</p>
|
||
|
|
<h4>Example</h4>
|
||
|
|
<pre>
|
||
|
|
#include <boost/numeric/ublas/vector.hpp>
|
||
|
|
#include <boost/numeric/ublas/io.hpp>
|
||
|
|
|
||
|
|
int main () {
|
||
|
|
using namespace boost::numeric::ublas;
|
||
|
|
scalar_vector<double> v (3);
|
||
|
|
std::cout << v << std::endl;
|
||
|
|
}
|
||
|
|
</pre>
|
||
|
|
<h4>Definition</h4>
|
||
|
|
<p>Defined in the header vector.hpp.</p>
|
||
|
|
<h4>Template parameters</h4>
|
||
|
|
<table border="1" summary="parameters">
|
||
|
|
<tbody>
|
||
|
|
<tr>
|
||
|
|
<th>Parameter</th>
|
||
|
|
<th>Description</th>
|
||
|
|
<th>Default</th>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>T</code></td>
|
||
|
|
<td>The type of object stored in the vector.</td>
|
||
|
|
<td><code>int</code></td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>ALLOC</code></td>
|
||
|
|
<td>An STL Allocator for size_type and difference_type.</td>
|
||
|
|
<td>std::allocator</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<h4>Model of</h4>
|
||
|
|
<p><a href="container_concept.html#vector">Vector</a> .</p>
|
||
|
|
<h4>Type requirements</h4>
|
||
|
|
<p>None, except for those imposed by the requirements of
|
||
|
|
<a href="container_concept.html#vector">Vector</a> .</p>
|
||
|
|
<h4>Public base classes</h4>
|
||
|
|
<p><code>vector_container<scalar_vector<T>
|
||
|
|
></code></p>
|
||
|
|
<h4>Members</h4>
|
||
|
|
<table border="1" summary="members">
|
||
|
|
<tbody>
|
||
|
|
<tr>
|
||
|
|
<th>Member</th>
|
||
|
|
<th>Description</th>
|
||
|
|
</tr>
|
||
|
|
<tr>
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||
|
|
<td><code>scalar_vector ()</code></td>
|
||
|
|
<td>Constructs a <code>scalar_vector</code> that holds zero
|
||
|
|
elements.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>scalar_vector (size_type size, const value_type
|
||
|
|
&value)</code></td>
|
||
|
|
<td>Constructs a <code>scalar_vector</code> that holds
|
||
|
|
<code>size</code> elements each of the specified value.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>scalar_vector (const scalar_vector &v)</code></td>
|
||
|
|
<td>The copy constructor.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>void resize (size_type size, bool preserve =
|
||
|
|
true)</code></td>
|
||
|
|
<td>Resizes a <code>scalar_vector</code> to hold <code>size</code>
|
||
|
|
elements. Therefore the existing elements of the
|
||
|
|
<code>scalar_vector</code> are always preseved.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>size_type size () const</code></td>
|
||
|
|
<td>Returns the size of the <code>scalar_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reference operator () (size_type i)
|
||
|
|
const</code></td>
|
||
|
|
<td>Returns the value of the <code>i</code>-th element.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reference operator [] (size_type i)
|
||
|
|
const</code></td>
|
||
|
|
<td>Returns the value of the <code>i</code>-th element.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>scalar_vector &operator = (const scalar_vector
|
||
|
|
&v)</code></td>
|
||
|
|
<td>The assignment operator.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>scalar_vector &assign_temporary (scalar_vector
|
||
|
|
&v)</code></td>
|
||
|
|
<td>Assigns a temporary. May change the scalar vector
|
||
|
|
<code>v</code> .</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>void swap (scalar_vector &v)</code></td>
|
||
|
|
<td>Swaps the contents of the scalar vectors.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_iterator begin () const</code></td>
|
||
|
|
<td>Returns a <code>const_iterator</code> pointing to the beginning
|
||
|
|
of the <code>scalar_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_iterator end () const</code></td>
|
||
|
|
<td>Returns a <code>const_iterator</code> pointing to the end of
|
||
|
|
the <code>scalar_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reverse_iterator rbegin () const</code></td>
|
||
|
|
<td>Returns a <code>const_reverse_iterator</code> pointing to the
|
||
|
|
beginning of the reversed <code>scalar_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
<tr>
|
||
|
|
<td><code>const_reverse_iterator rend () const</code></td>
|
||
|
|
<td>Returns a <code>const_reverse_iterator</code> pointing to the
|
||
|
|
end of the reversed <code>scalar_vector</code>.</td>
|
||
|
|
</tr>
|
||
|
|
</tbody>
|
||
|
|
</table>
|
||
|
|
<hr />
|
||
|
|
<p>Copyright (©) 2000-2002 Joerg Walter, Mathias Koch<br />
|
||
|
|
Use, modification and distribution are subject to the
|
||
|
|
Boost Software License, Version 1.0.
|
||
|
|
(See accompanying file LICENSE_1_0.txt
|
||
|
|
or copy at <a href="http://www.boost.org/LICENSE_1_0.txt">
|
||
|
|
http://www.boost.org/LICENSE_1_0.txt
|
||
|
|
</a>).
|
||
|
|
</p>
|
||
|
|
<script type="text/javascript">
|
||
|
|
(function($) {
|
||
|
|
$('#toc').toc();
|
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|
})(jQuery);
|
||
|
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|
||
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|
||
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