// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2000 - INRIA - Carlos Klimann
//
// This file must be used under the terms of the CeCILL.
// This source file is licensed as described in the file COPYING, which
// you should have received as part of this distribution.  The terms
// are also available at
// http://www.cecill.info/licences/Licence_CeCILL_V2.1-en.txt
//

function [r]=strange(x,orien)
    //
    //The range  is  the distance between   the largest  and smaller  value,
    //[r]=range(x) computes the range of vector or matrix x.
    //
    //[r]=range(x,'r')  (or equivalently  [r]=range(x,1)) give a  row vector
    //with the range of each column.
    //
    //[r]=range(x,'c') (or equivalently [r]=range(x,2)) give a column vector
    //with the range of each row.
    //
    //
    [lhs,rhs]=argn(0)
    if rhs==0 then error(msprintf(gettext("%s: Wrong number of input arguments: %d to %d expected.\n"),"strange",0,2)), end
    if rhs==1 then
        r=max(x)-min(x)
    elseif rhs==2 then
        if orien=="r"|orien==1 then
            r=max(x,"r")-min(x,"r")
        elseif orien=="c"|orien==2 then
            r=max(x,"c")-min(x,"c")
        else
            error(msprintf(gettext("%s: Wrong value for %d input argument: ''%s'', ''%s'', %d or %d expected.\n"),"strange",2,"r","c",1,2)),
        end
    end
endfunction