## Copyright (C) 1996, 1997 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.

## -*- texinfo -*-
## @deftypefn {Function File} {} int2str (@var{n})
## @deftypefnx {Function File} {} num2str (@var{x})
## Convert a number to a string.  These functions are not very flexible,
## but are provided for compatibility with @sc{Matlab}.  For better control
## over the results, use @code{sprintf} (@pxref{Formatted Output}).
## @end deftypefn
## @seealso{sprintf and int2str}

## Author: jwe
## Modified by: Tomas Nordström 2003-01-07, to handle vector input.

function retval = num2str (x)

    if (nargin == 1)
        [nr, nc] = size(x);
        if (nr*nc == 1)
            retval = sprintf ("%.100g", x);
        elseif (nr == 1)
            retval = sprintf ("%.100g", x(1));
            for ix = 2:length(x),
                retval = [retval " " sprintf ("%g", x(ix))];
            endfor;
        elseif (nc == 1)
            retval = sprintf ("%.100g", x(1));
            for ix = 2:length(x),
                retval = [retval; sprintf ("%.100g", x(ix))];
            endfor;
        else
            error ("num2str: expecting scalar or vector argument");
        endif;
    else
        usage ("num2str (x)");
    endif;
        
endfunction