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  28 <h2><span class="refentrytitle">Macro BOOST_COMPUTE_STRINGIZE_SOURCE</span></h2>
  29 <p>BOOST_COMPUTE_STRINGIZE_SOURCE</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: &lt;<a class="link" href="boost_compute/reference.html#header.boost.compute.utility.source_hpp" title="Header &lt;boost/compute/utility/source.hpp&gt;">boost/compute/utility/source.hpp</a>&gt;
  33
  34 </span>BOOST_COMPUTE_STRINGIZE_SOURCE(source)</pre></div>
  35 <div class="refsect1">
  36 <a name="idm46094033825280"></a><h2>Description</h2>
  37 <p>Stringizes OpenCL source code.</p>
  38 <p>For example, to create a simple kernel which squares each input value: </p>
  39 <pre class="programlisting"><span class="keyword">const</span> <span class="keyword">char</span> <span class="identifier">source</span><span class="special">[</span><span class="special">]</span> <span class="special">=</span> <span class="identifier">BOOST_COMPUTE_STRINGIZE_SOURCE</span><span class="special">(</span>
  40     <span class="identifier">__kernel</span> <span class="keyword">void</span> <span class="identifier">square</span><span class="special">(</span><span class="keyword">const</span> <span class="keyword">float</span> <span class="special">*</span><span class="identifier">input</span><span class="special">,</span> <span class="keyword">float</span> <span class="special">*</span><span class="identifier">output</span><span class="special">)</span>
  41     <span class="special">{</span>
  42         <span class="keyword">const</span> <span class="identifier">uint</span> <span class="identifier">i</span> <span class="special">=</span> <span class="identifier">get_global_id</span><span class="special">(</span><span class="number">0</span><span class="special">)</span><span class="special">;</span>
  43         <span class="keyword">const</span> <span class="keyword">float</span> <span class="identifier">x</span> <span class="special">=</span> <span class="identifier">input</span><span class="special">[</span><span class="identifier">i</span><span class="special">]</span><span class="special">;</span>
  44         <span class="identifier">output</span><span class="special">[</span><span class="identifier">i</span><span class="special">]</span> <span class="special">=</span> <span class="identifier">x</span> <span class="special">*</span> <span class="identifier">x</span><span class="special">;</span>
  45     <span class="special">}</span>
  46 <span class="special">)</span><span class="special">;</span>
  47
  48 <span class="comment">// create and build square program</span>
  49 <span class="identifier">program</span> <span class="identifier">square_program</span> <span class="special">=</span> <span class="identifier">program</span><span class="special">::</span><span class="identifier">build_with_source</span><span class="special">(</span><span class="identifier">source</span><span class="special">,</span> <span class="identifier">context</span><span class="special">)</span><span class="special">;</span>
  50
  51 <span class="comment">// create square kernel</span>
  52 <span class="identifier">kernel</span> <span class="identifier">square_kernel</span><span class="special">(</span><span class="identifier">square_program</span><span class="special">,</span> <span class="string">"square"</span><span class="special">)</span><span class="special">;</span>
  53 </pre>
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