# Copyright (C) 1993 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, 675 Mass Ave, Cambridge, MA 02139, USA.

function picks = texas_lotto ()

# usage: texas_lotto
#
# Pick 6 unique numbers between 1 and 50 that are guaranteed to win
# the Texas Lotto.
#
# See also: rand

  if (nargin != 0)
    disp ("win_texas_lotto: ignoring extra arguments");
  endif

  picks = zeros (1,6);
  picks (1) = round (50-49*(1-rand));
  n = 2;
  while (n < 7)
    tmp = round (50-49*(1-rand));
    equal = 0;
    for i = 1:n
      if (tmp == picks (i))
        equal = 1;
        break;
      endif
    endfor
    if (! equal)
      picks (n) = tmp;
      n++;
    endif
  endwhile

  picks = sort (picks);

endfunction