1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> 4<title>Function template scatter_if</title> 5<link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../index.html" title="Chapter 1. Boost.Compute"> 8<link rel="up" href="../../boost_compute/reference.html#header.boost.compute.algorithm.scatter_if_hpp" title="Header <boost/compute/algorithm/scatter_if.hpp>"> 9<link rel="prev" href="scatter.html" title="Function template scatter"> 10<link rel="next" href="search.html" title="Function template search"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="scatter.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_compute/reference.html#header.boost.compute.algorithm.scatter_if_hpp"><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="search.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="refentry"> 26<a name="boost.compute.scatter__idm46009694208048"></a><div class="titlepage"></div> 27<div class="refnamediv"> 28<h2><span class="refentrytitle">Function template scatter_if</span></h2> 29<p>boost::compute::scatter_if</p> 30</div> 31<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> 32<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="../../boost_compute/reference.html#header.boost.compute.algorithm.scatter_if_hpp" title="Header <boost/compute/algorithm/scatter_if.hpp>">boost/compute/algorithm/scatter_if.hpp</a>> 33 34</span> 35<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> InputIterator<span class="special">,</span> <span class="keyword">typename</span> MapIterator<span class="special">,</span> 36 <span class="keyword">typename</span> StencilIterator<span class="special">,</span> <span class="keyword">typename</span> OutputIterator<span class="special">,</span> 37 <span class="keyword">typename</span> Predicate<span class="special">></span> 38 <span class="keyword">void</span> <span class="identifier">scatter_if</span><span class="special">(</span><span class="identifier">InputIterator</span> first<span class="special">,</span> <span class="identifier">InputIterator</span> last<span class="special">,</span> <span class="identifier">MapIterator</span> map<span class="special">,</span> 39 <span class="identifier">StencilIterator</span> stencil<span class="special">,</span> <span class="identifier">OutputIterator</span> result<span class="special">,</span> 40 <span class="identifier">Predicate</span> predicate<span class="special">,</span> 41 <span class="identifier">command_queue</span> <span class="special">&</span> queue <span class="special">=</span> <span class="identifier">system</span><span class="special">::</span><span class="identifier">default_queue</span><span class="special">(</span><span class="special">)</span><span class="special">)</span><span class="special">;</span></pre></div> 42<div class="refsect1"> 43<a name="idm46113331093616"></a><h2>Description</h2> 44<p>Copies the elements from the range [<code class="computeroutput">first</code>, <code class="computeroutput">last</code>) to the range beginning at <code class="computeroutput">result</code> using the output indices from the range beginning at <code class="computeroutput">map</code> if stencil is resolved to true. By default the predicate is an identity</p> 45<p>Space complexity: \Omega(1) </p> 46</div> 47</div> 48<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 49<td align="left"></td> 50<td align="right"><div class="copyright-footer">Copyright © 2013, 2014 Kyle Lutz<p> 51 Distributed under the Boost Software License, Version 1.0. (See accompanying 52 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>) 53 </p> 54</div></td> 55</tr></table> 56<hr> 57<div class="spirit-nav"> 58<a accesskey="p" href="scatter.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../../boost_compute/reference.html#header.boost.compute.algorithm.scatter_if_hpp"><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="search.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 59</div> 60</body> 61</html> 62