FooTestIn</tt>" and "<tt>FooTestOut</tt>".
If the latter  exist, then the program should be run with
the "<tt>FooTestIn</tt>" as standard input;
correct output (printed to standard output) should match
the contents of "<tt>FooTestOut</tt>" exactly;
note that these programs also print diagnostic output on the screen
(through standard error output).

<p>
<b>
Timing functions.
</b>
<p>

The directory "<tt>GetTime</tt>" contains several alternative
definitions of the <tt>GetTime()</tt> function.
The file "<tt>G