<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> <title>adjacent_difference</title> <link rel="stylesheet" href="../../../../../../../../doc/src/boostbook.css" type="text/css"> <meta name="generator" content="DocBook XSL Stylesheets V1.75.2"> <link rel="home" href="../../../../index.html" title="Chapter 1. Range 2.0"> <link rel="up" href="../numeric.html" title="Numeric algorithms"> <link rel="prev" href="accumulate.html" title="accumulate"> <link rel="next" href="inner_product.html" title="inner_product"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table cellpadding="2" width="100%"><tr> <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td> <td align="center"><a href="../../../../../../../../index.html">Home</a></td> <td align="center"><a href="../../../../../../../../libs/libraries.htm">Libraries</a></td> <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> <td align="center"><a href="../../../../../../../../more/index.htm">More</a></td> </tr></table> <hr> <div class="spirit-nav"> <a accesskey="p" href="accumulate.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../numeric.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="inner_product.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> </div> <div class="section"> <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="id861384"></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"><</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="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">&</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"><</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">></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">&</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="id861646"></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="id861750"></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="id861814"></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="id861837"></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="id862051"></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="id862253"></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="id862327"></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 © 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> <hr> <div class="spirit-nav"> <a accesskey="p" href="accumulate.html"><img src="../../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../numeric.html"><img src="../../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="inner_product.html"><img src="../../../../../../../../doc/src/images/next.png" alt="Next"></a> </div> </body> </html>