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[SVN r36555]
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Joel de Guzman
2007-01-01 02:23:51 +00:00
parent ef48d728ef
commit 2be540e903
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doc/html/fusion/algorithms/iteration/functions/fold.html
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@ -26,17 +26,17 @@
<div class="titlepage"><div><div><h5 class="title">
<a name="fusion.algorithms.iteration.functions.fold"></a><a href="fold.html" title="fold">fold</a></h5></div></div></div>
<a name="fusion.algorithms.iteration.functions.fold.description"></a><h6>
<a name="id552127"></a>
<a name="id551887"></a>
<a href="fold.html#fusion.algorithms.iteration.functions.fold.description">Description</a>
</h6>
<p>
Repeatedly applies binary <a href="../../concepts/polymorphic_function_object.html" title="Polymorphic
Function Object">Polymorphic
Function Object</a><EFBFBD><tt class="computeroutput"><span class="identifier">f</span></tt>
Repeatedly applies binary <a href="../../concepts/poly.html" title=" Polymorphic Function
Object">Polymorphic
Function Object</a> <tt class="computeroutput"><span class="identifier">f</span></tt>
to each element of a sequence and the previous state.
</p>
<a name="fusion.algorithms.iteration.functions.fold.synopsis"></a><h6>
<a name="id552177"></a>
<a name="id551935"></a>
<a href="fold.html#fusion.algorithms.iteration.functions.fold.synopsis">Synopsis</a>
</h6>
<pre class="programlisting">
@ -49,7 +49,7 @@
<span class="identifier">Sequence</span><span class="special">&amp;</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="keyword">const</span><span class="special">&amp;</span> <span class="identifier">f</span><span class="special">);</span>
</pre>
<div class="table">
<a name="id552435"></a><p class="title"><b>Table<EFBFBD>1.32.<2E>Parameters</b></p>
<a name="id552194"></a><p class="title"><b>Table<EFBFBD>1.32.<2E>Parameters</b></p>
<table class="table" summary="Parameters">
<colgroup>
<col>
@ -81,8 +81,8 @@
<tr>
<td><tt class="computeroutput"><span class="identifier">f</span></tt></td>
<td>A
model of binary <a href="../../concepts/polymorphic_function_object.html" title="Polymorphic
Function Object">Polymorphic
model of binary <a href="../../concepts/poly.html" title=" Polymorphic Function
Object">Polymorphic
Function Object</a>
</td>
<td>Operation's argument</td>
@ -91,7 +91,7 @@
</table>
</div>
<a name="fusion.algorithms.iteration.functions.fold.expression_semantics"></a><h6>
<a name="id552604"></a>
<a name="id552362"></a>
<a href="fold.html#fusion.algorithms.iteration.functions.fold.expression_semantics">Expression
Semantics</a>
</h6>
@ -102,25 +102,25 @@
<span class="bold"><b>Return type</b></span>: Any type
</p>
<p>
<span class="bold"><b>Semantics</b></span>: Equivalent to <tt class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">eN</span><EFBFBD><span class="special">....</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e2</span><span class="special">,</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e1</span><span class="special">,</span><span class="identifier">initial_state</span><span class="special">)))</span></tt>
where <tt class="computeroutput"><span class="identifier">e1</span><EFBFBD><span class="special">...</span><span class="identifier">eN</span></tt> are the elements of <tt class="computeroutput"><span class="identifier">seq</span></tt>.
<span class="bold"><b>Semantics</b></span>: Equivalent to <tt class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">eN</span> <span class="special">....</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e2</span><span class="special">,</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e1</span><span class="special">,</span><span class="identifier">initial_state</span><span class="special">)))</span></tt>
where <tt class="computeroutput"><span class="identifier">e1</span> <span class="special">...</span><span class="identifier">eN</span></tt> are the elements of <tt class="computeroutput"><span class="identifier">seq</span></tt>.
</p>
<a name="fusion.algorithms.iteration.functions.fold.complexity"></a><h6>
<a name="id552808"></a>
<a name="id552566"></a>
<a href="fold.html#fusion.algorithms.iteration.functions.fold.complexity">Complexity</a>
</h6>
<p>
Linear, exactly <tt class="computeroutput"><a href="../../../sequences/intrinsics/metafunctions/size.html" title="size"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></tt></a><span class="special">&lt;</span><span class="identifier">Sequence</span><span class="special">&gt;::</span><span class="identifier">value</span></tt> applications of <tt class="computeroutput"><span class="identifier">f</span></tt>.
</p>
<a name="fusion.algorithms.iteration.functions.fold.header"></a><h6>
<a name="id552900"></a>
<a name="id552657"></a>
<a href="fold.html#fusion.algorithms.iteration.functions.fold.header">Header</a>
</h6>
<pre class="programlisting">
<span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span><span class="identifier">fold</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span>
</pre>
<a name="fusion.algorithms.iteration.functions.fold.example"></a><h6>
<a name="id553006"></a>
<a name="id552763"></a>
<a href="fold.html#fusion.algorithms.iteration.functions.fold.example">Example</a>
</h6>
<pre class="programlisting">