 the environment by calling the <i><code>pstlvars</code></i> script (if you use a command line) or set the <code>%PSTLROOT%</code> 
				environment variable pointing to the <code>&lt;pstl_installdir&gt;</code> folder (in Microsoft* Visual Studio* IDE on Windows* OS)
				and add the <code>&lt;pstl_installdir&gt;/pstl/include</code> folder to the compiler include paths.
			</p>
			<p>Use the <a href="Makefile">Makefile</a> to build the example on the command line.</p>
			<p>Use the <a href="msvs/gamma_correct