Boost.Range documentation update iteration.

[SVN r61647]
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Neil Groves
2010-04-28 16:09:03 +00:00
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<div class="section" title="accumulate">
<div class="titlepage"><div><div><h5 class="title">
<a name="range.reference.algorithms.numeric.accumulate"></a><a class="link" href="accumulate.html" title="accumulate"> accumulate</a>
</h5></div></div></div>
<a name="range.reference.algorithms.numeric.accumulate.prototype"></a><h6>
<a name="id2826249"></a>
<a class="link" href="accumulate.html#range.reference.algorithms.numeric.accumulate.prototype">Prototype</a>
</h6>
<p>
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">Value</span>
<span class="special">&gt;</span>
<span class="identifier">Value</span> <span class="identifier">accumulate</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">SinglePassRange</span><span class="special">&amp;</span> <span class="identifier">source_rng</span><span class="special">,</span>
<span class="identifier">Value</span> <span class="identifier">init</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">Value</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">BinaryOperation</span>
<span class="special">&gt;</span>
<span class="identifier">Value</span> <span class="identifier">accumulate</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">SinglePassRange</span><span class="special">&amp;</span> <span class="identifier">source_rng</span><span class="special">,</span>
<span class="identifier">Value</span> <span class="identifier">init</span><span class="special">,</span>
<span class="identifier">BinaryOperation</span> <span class="identifier">op</span><span class="special">);</span>
</pre>
<p>
</p>
<a name="range.reference.algorithms.numeric.accumulate.description"></a><h6>
<a name="id2826514"></a>
<a class="link" href="accumulate.html#range.reference.algorithms.numeric.accumulate.description">Description</a>
</h6>
<p>
<code class="computeroutput"><span class="identifier">accumulate</span></code> is a generalisation
of summation. It computes a binary operation (<code class="computeroutput"><span class="keyword">operator</span><span class="special">+</span></code> in the non-predicate version) of <code class="computeroutput"><span class="identifier">init</span></code> and all of the elements in <code class="computeroutput"><span class="identifier">rng</span></code>.
</p>
<p>
The return value is the resultant value of the above algorithm.
</p>
<a name="range.reference.algorithms.numeric.accumulate.definition"></a><h6>
<a name="id2826594"></a>
<a class="link" href="accumulate.html#range.reference.algorithms.numeric.accumulate.definition">Definition</a>
</h6>
<p>
Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">numeric</span><span class="special">.</span><span class="identifier">hpp</span></code>
</p>
<a name="range.reference.algorithms.numeric.accumulate.requirements"></a><h6>
<a name="id2826658"></a>
<a class="link" href="accumulate.html#range.reference.algorithms.numeric.accumulate.requirements">Requirements</a>
</h6>
<a name="range.reference.algorithms.numeric.accumulate.for_the_first_version"></a><h6>
<a name="id2826681"></a>
<a class="link" href="accumulate.html#range.reference.algorithms.numeric.accumulate.for_the_first_version">For
the first version</a>
</h6>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">Value</span></code> is a model of
the <code class="computeroutput"><span class="identifier">AssignableConcept</span></code>.
</li>
<li class="listitem">
An <code class="computeroutput"><span class="keyword">operator</span><span class="special">+</span></code>
is defined for a left-hand operand of type <code class="computeroutput"><span class="identifier">Value</span></code>
and a right-hand operance of the <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>
value type.
</li>
<li class="listitem">
The return type of the above operator is convertible to <code class="computeroutput"><span class="identifier">Value</span></code>.
</li>
</ol></div>
<a name="range.reference.algorithms.numeric.accumulate.for_the_second_version"></a><h6>
<a name="id2826820"></a>
<a class="link" href="accumulate.html#range.reference.algorithms.numeric.accumulate.for_the_second_version">For
the second version</a>
</h6>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">Value</span></code> is a model of
the <code class="computeroutput"><span class="identifier">AssignableConcept</span></code>.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">BinaryOperation</span></code> is
a model of the <code class="computeroutput"><span class="identifier">BinaryFunctionConcept</span></code>.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">Value</span></code> is convertible
to <code class="computeroutput"><span class="identifier">BinaryOperation</span></code>'s
first argument type.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange</span></code>'s value
type is convertible to <code class="computeroutput"><span class="identifier">BinaryOperation</span></code>'s
second argument type.
</li>
<li class="listitem">
The return type of <code class="computeroutput"><span class="identifier">BinaryOperation</span></code>
is convertible to <code class="computeroutput"><span class="identifier">Value</span></code>.
</li>
</ol></div>
<a name="range.reference.algorithms.numeric.accumulate.complexity"></a><h6>
<a name="id2827003"></a>
<a class="link" href="accumulate.html#range.reference.algorithms.numeric.accumulate.complexity">Complexity</a>
</h6>
<p>
Linear. Exactly <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">source_rng</span><span class="special">)</span></code>.
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2003 -2010 Thorsten Ottosen, Neil Groves<p>
Distributed under 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" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<title>adjacent_difference</title>
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
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</div>
<div class="section" title="adjacent_difference">
<div class="titlepage"><div><div><h5 class="title">
<a name="range.reference.algorithms.numeric.adjacent_difference"></a><a class="link" href="adjacent_difference.html" title="adjacent_difference">
adjacent_difference</a>
</h5></div></div></div>
<a name="range.reference.algorithms.numeric.adjacent_difference.prototype"></a><h6>
<a name="id2827074"></a>
<a class="link" href="adjacent_difference.html#range.reference.algorithms.numeric.adjacent_difference.prototype">Prototype</a>
</h6>
<p>
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">OutputIterator</span>
<span class="special">&gt;</span>
<span class="identifier">OutputIterator</span> <span class="identifier">adjacent_difference</span><span class="special">(</span>
<span class="keyword">const</span> <span class="identifier">SinglePassRange</span><span class="special">&amp;</span> <span class="identifier">source_rng</span><span class="special">,</span>
<span class="identifier">OutputIterator</span> <span class="identifier">out_it</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span>
<span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">OutputIterator</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">BinaryOperation</span>
<span class="special">&gt;</span>
<span class="identifier">OutputIterator</span> <span class="identifier">adjacent_difference</span><span class="special">(</span>
<span class="keyword">const</span> <span class="identifier">SinglePassRange</span><span class="special">&amp;</span> <span class="identifier">source_rng</span><span class="special">,</span>
<span class="identifier">OutputIterator</span> <span class="identifier">out_it</span><span class="special">,</span>
<span class="identifier">BinaryOperation</span> <span class="identifier">op</span><span class="special">);</span>
</pre>
<p>
</p>
<a name="range.reference.algorithms.numeric.adjacent_difference.description"></a><h6>
<a name="id2827342"></a>
<a class="link" href="adjacent_difference.html#range.reference.algorithms.numeric.adjacent_difference.description">Description</a>
</h6>
<p>
<code class="computeroutput"><span class="identifier">adjacent_difference</span></code> calculates
the differences of adjacent_elements in <code class="computeroutput"><span class="identifier">rng</span></code>.
</p>
<p>
The first version of <code class="computeroutput"><span class="identifier">adjacent_difference</span></code>
uses <code class="computeroutput"><span class="keyword">operator</span><span class="special">-()</span></code>
to calculate the differences. The second version uses <code class="computeroutput"><span class="identifier">BinaryOperation</span></code>
instead of <code class="computeroutput"><span class="keyword">operator</span><span class="special">-()</span></code>.
</p>
<a name="range.reference.algorithms.numeric.adjacent_difference.definition"></a><h6>
<a name="id2827449"></a>
<a class="link" href="adjacent_difference.html#range.reference.algorithms.numeric.adjacent_difference.definition">Definition</a>
</h6>
<p>
Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">numeric</span><span class="special">.</span><span class="identifier">hpp</span></code>
</p>
<a name="range.reference.algorithms.numeric.adjacent_difference.requirements"></a><h6>
<a name="id2827513"></a>
<a class="link" href="adjacent_difference.html#range.reference.algorithms.numeric.adjacent_difference.requirements">Requirements</a>
</h6>
<a name="range.reference.algorithms.numeric.adjacent_difference.for_the_first_version"></a><h6>
<a name="id2827538"></a>
<a class="link" href="adjacent_difference.html#range.reference.algorithms.numeric.adjacent_difference.for_the_first_version">For
the first version</a>
</h6>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">OutputIterator</span></code> is a
model of the <code class="computeroutput"><span class="identifier">OutputIteratorConcept</span></code>.
</li>
<li class="listitem">
If <code class="computeroutput"><span class="identifier">x</span></code> and <code class="computeroutput"><span class="identifier">y</span></code> are objects of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>'s
value type, then <code class="computeroutput"><span class="identifier">x</span> <span class="special">-</span> <span class="identifier">y</span></code>
is defined.
</li>
<li class="listitem">
The value type of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>
is convertible to a type in <code class="computeroutput"><span class="identifier">OutputIterator</span></code>'s
set of value types.
</li>
<li class="listitem">
The return type of <code class="computeroutput"><span class="identifier">x</span> <span class="special">-</span> <span class="identifier">y</span></code>
is convertible to a type in <code class="computeroutput"><span class="identifier">OutputIterator</span></code>'s
set of value types.
</li>
</ol></div>
<a name="range.reference.algorithms.numeric.adjacent_difference.for_the_second_version"></a><h6>
<a name="id2827741"></a>
<a class="link" href="adjacent_difference.html#range.reference.algorithms.numeric.adjacent_difference.for_the_second_version">For
the second version</a>
</h6>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">OutputIterator</span></code> is a
model of the <code class="computeroutput"><span class="identifier">OutputIteratorConcept</span></code>.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">BinaryOperation</span></code> is
a model of the <code class="computeroutput"><span class="identifier">BinaryFunctionConcept</span></code>.
</li>
<li class="listitem">
The value type of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>
is convertible to <code class="computeroutput"><span class="identifier">BinaryOperation</span></code>'s
first and second argument types.
</li>
<li class="listitem">
The value type of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>
is convertible to a type in <code class="computeroutput"><span class="identifier">OutputIterator</span></code>'s
set of value types.
</li>
<li class="listitem">
The result type of <code class="computeroutput"><span class="identifier">BinaryOperation</span></code>
is convertible to a type in <code class="computeroutput"><span class="identifier">OutputIterator</span></code>'s
set of value types.
</li>
</ol></div>
<a name="range.reference.algorithms.numeric.adjacent_difference.precondition_"></a><h6>
<a name="id2827926"></a>
<a class="link" href="adjacent_difference.html#range.reference.algorithms.numeric.adjacent_difference.precondition_">Precondition:</a>
</h6>
<p>
<code class="computeroutput"><span class="special">[</span><span class="identifier">result</span><span class="special">,</span> <span class="identifier">result</span>
<span class="special">+</span> <span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">))</span></code> is a valid range.
</p>
<a name="range.reference.algorithms.numeric.adjacent_difference.complexity"></a><h6>
<a name="id2828003"></a>
<a class="link" href="adjacent_difference.html#range.reference.algorithms.numeric.adjacent_difference.complexity">Complexity</a>
</h6>
<p>
Linear. If <code class="computeroutput"><span class="identifier">empty</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code>
then zero applications, otherwise <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span> <span class="special">-</span> <span class="number">1</span></code>
applications are performed.
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2003 -2010 Thorsten Ottosen, Neil Groves<p>
Distributed under 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" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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<title>inner_product</title>
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<div class="section" title="inner_product">
<div class="titlepage"><div><div><h5 class="title">
<a name="range.reference.algorithms.numeric.inner_product"></a><a class="link" href="inner_product.html" title="inner_product">
inner_product</a>
</h5></div></div></div>
<a name="range.reference.algorithms.numeric.inner_product.prototype"></a><h6>
<a name="id2828109"></a>
<a class="link" href="inner_product.html#range.reference.algorithms.numeric.inner_product.prototype">Prototype</a>
</h6>
<p>
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">SinglePassRange1</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">SinglePassRange2</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">Value</span><span class="special">&gt;</span>
<span class="identifier">Value</span> <span class="identifier">inner_product</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">SinglePassRange1</span><span class="special">&amp;</span> <span class="identifier">rng1</span><span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">SinglePassRange2</span><span class="special">&amp;</span> <span class="identifier">rng2</span><span class="special">,</span>
<span class="identifier">Value</span> <span class="identifier">init</span> <span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">SinglePassRange1</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">SinglePassRange2</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">Value</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">BinaryOperation1</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">BinaryOperation2</span><span class="special">&gt;</span>
<span class="identifier">Value</span> <span class="identifier">inner_product</span><span class="special">(</span> <span class="keyword">const</span> <span class="identifier">SinglePassRange1</span><span class="special">&amp;</span> <span class="identifier">rng1</span><span class="special">,</span>
<span class="keyword">const</span> <span class="identifier">SinglePassRange2</span><span class="special">&amp;</span> <span class="identifier">rng2</span><span class="special">,</span>
<span class="identifier">Value</span> <span class="identifier">init</span><span class="special">,</span>
<span class="identifier">BinaryOperation1</span> <span class="identifier">op1</span> <span class="special">);</span>
</pre>
<p>
</p>
<a name="range.reference.algorithms.numeric.inner_product.description"></a><h6>
<a name="id2828476"></a>
<a class="link" href="inner_product.html#range.reference.algorithms.numeric.inner_product.description">Description</a>
</h6>
<p>
<code class="computeroutput"><span class="identifier">inner_product</span></code> calculates
a generalised inner product of the range <code class="computeroutput"><span class="identifier">rng1</span></code>
and <code class="computeroutput"><span class="identifier">rng2</span></code>.
</p>
<p>
For further information on the <code class="computeroutput"><span class="identifier">inner_product</span></code>
algorithm please see <a href="http://www.sgi.com/tech/stl/inner_product.html" target="_top">inner_product</a>.
</p>
<a name="range.reference.algorithms.numeric.inner_product.definition"></a><h6>
<a name="id2828557"></a>
<a class="link" href="inner_product.html#range.reference.algorithms.numeric.inner_product.definition">Definition</a>
</h6>
<p>
Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">numeric</span><span class="special">.</span><span class="identifier">hpp</span></code>
</p>
<a name="range.reference.algorithms.numeric.inner_product.requirements"></a><h6>
<a name="id2828622"></a>
<a class="link" href="inner_product.html#range.reference.algorithms.numeric.inner_product.requirements">Requirements</a>
</h6>
<a name="range.reference.algorithms.numeric.inner_product.for_the_first_version"></a><h6>
<a name="id2828645"></a>
<a class="link" href="inner_product.html#range.reference.algorithms.numeric.inner_product.for_the_first_version">For
the first version</a>
</h6>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange1</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange2</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">Value</span></code> is a model of
the <code class="computeroutput"><span class="identifier">AssignableConcept</span></code>.
</li>
<li class="listitem">
If <code class="computeroutput"><span class="identifier">x</span></code> is an object of
type <code class="computeroutput"><span class="identifier">Value</span></code>, <code class="computeroutput"><span class="identifier">y</span></code> is an object of <code class="computeroutput"><span class="identifier">SinglePassRange1</span></code>'s
value type, and <code class="computeroutput"><span class="identifier">z</span></code> is
an object of <code class="computeroutput"><span class="identifier">SinglePassRange2</span></code>'s
value type, then <code class="computeroutput"><span class="identifier">x</span> <span class="special">+</span> <span class="identifier">y</span> <span class="special">*</span> <span class="identifier">z</span></code>
is defined.
</li>
<li class="listitem">
The result type of the expression <code class="computeroutput"><span class="identifier">x</span>
<span class="special">+</span> <span class="identifier">y</span>
<span class="special">*</span> <span class="identifier">z</span></code>
is convertible to <code class="computeroutput"><span class="identifier">Value</span></code>.
</li>
</ol></div>
<a name="range.reference.algorithms.numeric.inner_product.for_the_second_version"></a><h6>
<a name="id2828898"></a>
<a class="link" href="inner_product.html#range.reference.algorithms.numeric.inner_product.for_the_second_version">For
the second version</a>
</h6>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange1</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange2</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">Value</span></code> is a model of
the <code class="computeroutput"><span class="identifier">AssignableConcept</span></code>.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">BinaryOperation1</span></code> is
a model of the <code class="computeroutput"><span class="identifier">BinaryFunctionConcept</span></code>.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">BinaryOperation2</span></code> is
a model of the <code class="computeroutput"><span class="identifier">BinaryFunctionConcept</span></code>.
</li>
<li class="listitem">
The value type of <code class="computeroutput"><span class="identifier">SinglePassRange1</span></code>
is convertible to the first argument type of <code class="computeroutput"><span class="identifier">BinaryOperation2</span></code>.
</li>
<li class="listitem">
The value type of <code class="computeroutput"><span class="identifier">SinglePassRange2</span></code>
is convertible to the second argument type of <code class="computeroutput"><span class="identifier">BinaryOperation2</span></code>.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">Value</span></code> is convertible
to the value type of <code class="computeroutput"><span class="identifier">BinaryOperation1</span></code>.
</li>
<li class="listitem">
The return type of <code class="computeroutput"><span class="identifier">BinaryOperation2</span></code>
is convertible to the second argument type of <code class="computeroutput"><span class="identifier">BinaryOperation1</span></code>.
</li>
<li class="listitem">
The return type of <code class="computeroutput"><span class="identifier">BinaryOperation1</span></code>
is convertible to <code class="computeroutput"><span class="identifier">Value</span></code>.
</li>
</ol></div>
<a name="range.reference.algorithms.numeric.inner_product.precondition_"></a><h6>
<a name="id2829183"></a>
<a class="link" href="inner_product.html#range.reference.algorithms.numeric.inner_product.precondition_">Precondition:</a>
</h6>
<p>
<code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng2</span><span class="special">)</span> <span class="special">&gt;=</span> <span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng1</span><span class="special">)</span></code> is a valid range.
</p>
<a name="range.reference.algorithms.numeric.inner_product.complexity"></a><h6>
<a name="id2829259"></a>
<a class="link" href="inner_product.html#range.reference.algorithms.numeric.inner_product.complexity">Complexity</a>
</h6>
<p>
Linear. Exactly <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code>.
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2003 -2010 Thorsten Ottosen, Neil Groves<p>
Distributed under 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" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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</div>
<div class="section" title="partial_sum">
<div class="titlepage"><div><div><h5 class="title">
<a name="range.reference.algorithms.numeric.partial_sum"></a><a class="link" href="partial_sum.html" title="partial_sum">
partial_sum</a>
</h5></div></div></div>
<a name="range.reference.algorithms.numeric.partial_sum.prototype"></a><h6>
<a name="id2829328"></a>
<a class="link" href="partial_sum.html#range.reference.algorithms.numeric.partial_sum.prototype">Prototype</a>
</h6>
<p>
</p>
<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">OutputIterator</span><span class="special">&gt;</span>
<span class="identifier">OutputIterator</span> <span class="identifier">partial_sum</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">SinglePassRange</span><span class="special">&amp;</span> <span class="identifier">rng</span><span class="special">,</span>
<span class="identifier">OutputIterator</span> <span class="identifier">out_it</span><span class="special">);</span>
<span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">OutputIterator</span><span class="special">,</span>
<span class="keyword">class</span> <span class="identifier">BinaryOperation</span><span class="special">&gt;</span>
<span class="identifier">OutputIterator</span> <span class="identifier">partial_sum</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">SinglePassRange</span><span class="special">&amp;</span> <span class="identifier">rng</span><span class="special">,</span>
<span class="identifier">OutputIterator</span> <span class="identifier">out_it</span><span class="special">,</span>
<span class="identifier">BinaryOperation</span> <span class="identifier">op</span><span class="special">);</span>
</pre>
<p>
</p>
<a name="range.reference.algorithms.numeric.partial_sum.description"></a><h6>
<a name="id2829588"></a>
<a class="link" href="partial_sum.html#range.reference.algorithms.numeric.partial_sum.description">Description</a>
</h6>
<p>
<code class="computeroutput"><span class="identifier">partial_sum</span></code> calculates
a generalised partial sum of <code class="computeroutput"><span class="identifier">rng</span></code>
in the same manner as <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">partial_sum</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">begin</span><span class="special">(</span><span class="identifier">rng</span><span class="special">),</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">end</span><span class="special">(</span><span class="identifier">rng</span><span class="special">),</span> <span class="identifier">out_it</span><span class="special">)</span></code>. See <a href="http://www.sgi.com/tech/stl/partial_sum.html" target="_top">partial_sum</a>.
</p>
<a name="range.reference.algorithms.numeric.partial_sum.definition"></a><h6>
<a name="id2829729"></a>
<a class="link" href="partial_sum.html#range.reference.algorithms.numeric.partial_sum.definition">Definition</a>
</h6>
<p>
Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">numeric</span><span class="special">.</span><span class="identifier">hpp</span></code>
</p>
<a name="range.reference.algorithms.numeric.partial_sum.requirements"></a><h6>
<a name="id2829794"></a>
<a class="link" href="partial_sum.html#range.reference.algorithms.numeric.partial_sum.requirements">Requirements</a>
</h6>
<a name="range.reference.algorithms.numeric.partial_sum.for_the_first_version"></a><h6>
<a name="id2829817"></a>
<a class="link" href="partial_sum.html#range.reference.algorithms.numeric.partial_sum.for_the_first_version">For
the first version</a>
</h6>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">OutputIterator</span></code> is a
model of the <code class="computeroutput"><span class="identifier">OutputIteratorConcept</span></code>.
</li>
<li class="listitem">
If <code class="computeroutput"><span class="identifier">x</span></code> and <code class="computeroutput"><span class="identifier">y</span></code> are objects of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>'s
value type, then <code class="computeroutput"><span class="identifier">x</span> <span class="special">+</span> <span class="identifier">y</span></code>
is defined.
</li>
<li class="listitem">
The return type of <code class="computeroutput"><span class="identifier">x</span> <span class="special">+</span> <span class="identifier">y</span></code>
is convertible to the value type of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>.
</li>
<li class="listitem">
The value type of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>
is convertible to a type in <code class="computeroutput"><span class="identifier">OutputIterator</span></code>'s
set of value types.
</li>
</ol></div>
<a name="range.reference.algorithms.numeric.partial_sum.for_the_second_version"></a><h6>
<a name="id2830019"></a>
<a class="link" href="partial_sum.html#range.reference.algorithms.numeric.partial_sum.for_the_second_version">For
the second version</a>
</h6>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<code class="computeroutput"><span class="identifier">SinglePassRange</span></code> is
a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
Pass Range</a> Concept.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">OutputIterator</span></code> is a
model of the <code class="computeroutput"><span class="identifier">OutputIteratorConcept</span></code>.
</li>
<li class="listitem">
<code class="computeroutput"><span class="identifier">BinaryOperation</span></code> is
a model of the <code class="computeroutput"><span class="identifier">BinaryFunctionConcept</span></code>.
</li>
<li class="listitem">
The result type of <code class="computeroutput"><span class="identifier">BinaryOperation</span></code>
is convertible to the value type of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>.
</li>
<li class="listitem">
The value type of <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>
is convertible to a type in <code class="computeroutput"><span class="identifier">OutputIterator</span></code>'s
set of value types.
</li>
</ol></div>
<a name="range.reference.algorithms.numeric.partial_sum.precondition_"></a><h6>
<a name="id2830180"></a>
<a class="link" href="partial_sum.html#range.reference.algorithms.numeric.partial_sum.precondition_">Precondition:</a>
</h6>
<p>
<code class="computeroutput"><span class="special">[</span><span class="identifier">result</span><span class="special">,</span> <span class="identifier">result</span>
<span class="special">+</span> <span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">))</span></code> is a valid range.
</p>
<a name="range.reference.algorithms.numeric.partial_sum.complexity"></a><h6>
<a name="id2830256"></a>
<a class="link" href="partial_sum.html#range.reference.algorithms.numeric.partial_sum.complexity">Complexity</a>
</h6>
<p>
Linear. If <code class="computeroutput"><span class="identifier">empty</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code>
then zero applications, otherwise <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span> <span class="special">-</span> <span class="number">1</span></code>
applications are performed.
</p>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
<td align="left"></td>
<td align="right"><div class="copyright-footer">Copyright &#169; 2003 -2010 Thorsten Ottosen, Neil Groves<p>
Distributed under 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" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
</p>
</div></td>
</tr></table>
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