function tic
%TIC Start a stopwatch timer.
%   The sequence of commands
%       TIC, operation, TOC
%   prints the number of seconds required for the operation.
%
%   See also TOC, CLOCK, ETIME, CPUTIME.

%   Copyright 1984-2000 The MathWorks, Inc. 
%   $Revision: 5.8 $  $Date: 2000/06/01 16:09:45 $

% TIC simply stores CLOCK in a global variable.
global TICTOC
TICTOC = clock;
