999-06-13  Jukka-Pekka Iivonen  <iivonen@iki.fi>

        * samples/mathfuns.xls: New test file for math functions.

        * samples/statfuns.xls: Accuracy dropped to 1e-5 (since Excel is
        not as accurate as Gnumeric).  Also the total number of functions
        in the test output fixed.