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<title>Prerequisites</title>
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<h1>Usage Prerequisites</h1>
<p><tt>pb_ds</tt> has been successfully tested with the
following compilers:</p>
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<li>g++ 3.3.1, 3.4.4, 4.0, 4.1, and what will be 4.2</li>
<li>Intel icpc 8.1 and 9</li>
<li>Visual C++ .Net 2005</li>
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<p>The library contains only header files, and does not require
any other libraries except the STL. All classes are defined in
<tt><b>namespace</b> pb_ds</tt>. The library internally uses
macros beginning with <tt>PB_DS</tt> (<i>e.g.</i>, for header
guards), but <tt>#<b>undef</b></tt>s anything it
<tt>#<b>define</b></tt>s (except for header guards). Compiling
the library in an environment where macros beginning in
<tt>PB_DS</tt> are defined, may yield unpredictable results in
compilation, execution, or both.</p>
<p> Further dependencies are necessary to create the visual output
for the performance tests. To create these graphs, two additional
packages will be needed: <b>pychart</b> and <b>Beautiful
Soup</b>. Both are freely available.
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