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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) INRIA
// 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-en.txt
function []=fplot2d(xr,f,style,strf,leg,rect,nax,void)
// 2D plot of function f : a Scilab function or the name (as a string)
// of a dynamically linked function.
// Enter fplot2d() for an example.
// deff('<y>=f(x)','y=sin(x)+cos(x)');
// fplot2d(f,0:0.1:%pi);
//!
[lhs,rhs]=argn(0)
if rhs <= 0 then // demo
deff("[y]=f(x)","y=sin(x)+cos(x)");
fplot2d(0:0.1:%pi,f);
return
end
if type(xr)=='10' then // logflag passed first
error(msprintf(gettext("%s: Wrong size for input argument #%d: A vector expected.\n"), "fplot2d", 1));
elseif rhs < 2 then
error(msprintf(gettext("%s: Wrong number of input argument(s): At least %d expected.\n"), "fplot2d", 2));
end
//handling optionnal arguments
opts=[]
if exists('style','local')==1 then opts=[opts,'style=style'],end
if exists('strf','local')==1 then opts=[opts,'strf=strf'],end
if exists('leg','local')==1 then opts=[opts,'leg=leg'],end
if exists('rect','local')==1 then opts=[opts,'rect=rect'],end
if exists('nax','local')==1 then opts=[opts,'nax=nax'],end
if exists('logflag','local')==1 then opts=[opts,'logflag=logflag'],end
if exists('frameflag','local')==1 then opts=[opts,'frameflag=frameflag'],end
if exists('axesflag','local')==1 then opts=[opts,'axesflag=axesflag'],end
if size(opts,2)<rhs-2 then error('invalid named arguments'),end
execstr('plot2d(xr,feval(xr,f),'+strcat(opts,',')+')')
endfunction
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