scripts/statistics/base/cloglog.m

## Copyright (C) 1995, 1996, 1997, 1998, 2000, 2002, 2005, 2006, 2007, 2009
##               Kurt Hornik
##
## This file is part of Octave.
##
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## under the terms of the GNU General Public License as published by
## the Free Software Foundation; either version 3 of the License, or (at
## your option) any later version.
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## General Public License for more details.
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## along with Octave; see the file COPYING.  If not, see
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## -*- texinfo -*-
## @deftypefn {Function File} {} cloglog (@var{x})
## Return the complementary log-log function of @var{x}, defined as
##
## @tex
## $$
## {\rm cloglog}(x) = - \log (- \log (x))
## $$
## @end tex
## @ifnottex
## @example
## cloglog(x) = - log (- log (@var{x}))
## @end example
## @end ifnottex
## @end deftypefn

## Author: KH <Kurt.Hornik@wu-wien.ac.at>
## Description: Complementary log-log function

function y = cloglog (x)

  if (nargin != 1)
    print_usage ();
  endif

  y = - log (- log (x));

endfunction