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/*
Copyright (C) 2002 Ben Sapp <bsapp@nua.lampf.lanl.gov>
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 3 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 <octave/config.h>
#include <octave/defun-dld.h>
#include <octave/oct-obj.h>
#include "ov-vpa.h"
#include "ov-ex.h"
#include "ov-ex-mat.h"
DEFUN_DLD(is_vpa, args, ,
"Return true if an object is of type vpa, false otherwise.\n")
{
bool retval;
retval = (args(0).type_id() == octave_vpa::static_type_id());
return octave_value(retval);
}
DEFUN_DLD(is_sym,args, ,"Return true if an object is of type sym false otherwise.\n")
{
bool retval;
const OV_REP_TYPE& rep = args(0).get_rep();
retval = args(0).type_id () == octave_ex::static_type_id () &&
GiNaC::is_a<GiNaC::symbol>(((octave_ex& ) rep).ex_value ());
return octave_value(retval);
}
DEFUN_DLD(is_ex,args,,
"-*- texinfo -*-\n\
@deftypefn Loadable Function {@var{bool} =} is_ex(@var{a})\n\
\n\
Return true if an object is a symbolic expression.\n\
@seealso{is_vpa, is_sym, is_ex_matrix}\n\
@end deftypefn")
{
bool retval;
retval = (args(0).type_id() == octave_ex::static_type_id());
return octave_value(retval);
}
DEFUN_DLD(is_ex_matrix,args,,
"-*- texinfo -*-\n\
@deftypefn Loadable Function {@var{bool} =} is_ex_matrix(@var{a})\n\
\n\
Return true if an object is a symbolic matrix.\n\
@seealso{is_vpa, is_sym, is_ex}\n\
@end deftypefn")
{
bool retval;
retval = (args(0).type_id() == octave_ex_matrix::static_type_id());
return octave_value(retval);
}