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/*
Copyright (C) 2013 Marco Vassallo
This program 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 of the License, or (at your option) any later
version.
This program 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
this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "function.h"
DEFUN_DLD (feval, args, , "-*- texinfo -*-\n\
@deftypefn {Function File} {[@var{value}]} = \
feval (@var{function_name}, @var{Coordinate})\n\
@end deftypefn")
{
int nargin = args.length ();
octave_value retval=0;
if (nargin < 2 || nargin > 2)
print_usage ();
else
{
if (! function_type_loaded)
{
function::register_type ();
function_type_loaded = true;
mlock ();
}
if (args(0).type_id () == function::static_type_id ())
{
const function & fspo =
static_cast<const function&> (args(0).get_rep ());
Array<double> point= args(1).array_value ();
if (!error_state)
{
const boost::shared_ptr<const dolfin::Function> & f = fspo.get_pfun ();
dim_vector dims;
dims.resize (2);
dims(0) = 1;
dims(1) = f->value_dimension (0);
Array<double> res (dims);
dolfin::Array<double> x(point.length (), point.fortran_vec ());
dolfin::Array<double> values(res.length (), res.fortran_vec ());
f->eval (values, x);
retval = octave_value (res);
}
}
}
return retval;
}