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## Copyright (C) 1996 John W. Eaton
##
## This file is part of Octave.
##
## Octave is free software; you can redistribute it and/or modify it
## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 2, or (at your option)
## any later version.
##
## Octave is distributed in the hope that it will be useful, but
## WITHOUT ANY WARRANTY; without even the implied warranty of
## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
## General Public License for more details.
##
## You should have received a copy of the GNU General Public License
## along with Octave; see the file COPYING. If not, write to the Free
## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
## 02111-1307, USA.
## usage: toc
##
## Return the difference between the current wall-clock time and the
## time that the function tic () was last called, in seconds.
##
## See also: tic, clock, etime, cputime
## Author: jwe
function secs = toc ()
if (nargin != 0)
warning ("toc: ignoring extra arguments");
endif
global __tic_toc_timestamp__ = -1;
if (__tic_toc_timestamp__ < 0)
warning ("toc called before timer set");
secs = [];
else
secs = etime (clock (), __tic_toc_timestamp__);
endif
endfunction
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