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- ## Copyright (C) 1996 Kurt Hornik
- ##
- ## 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: bin2dec (x)
- ##
- ## Returns the decimal number corresponding to the binary number in
- ## quotes. For example, bin2dec ("1110") returns 14.
-
- ## Author: Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at>
- ## Adapted-By: jwe
-
- function y = bin2dec (x)
-
- if (nargin != 1)
- usage ("bin2dec (x)");
- endif
-
- x = toascii (x) - toascii ("0");
-
- if (all (x == 0 | x == 1))
- y = sum ((x .* (ones (rows (x), 1) * 2.^((length (x) - 1) : -1 : 0)))')';
- else
- error ("bin2dec: argument must be a string of zeros and ones");
- endif
-
- endfunction
-