1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42
|
/*
subgroups.hh, copyright (c) 2006 by Vincent Fourmond:
The class definitions for the subgroups (parentheses).
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 (in the COPYING file).
*/
namespace SCalc {
class Subgroup : public Expression {
protected:
Expression * sub;
public:
Subgroup(Session * s, Expression * su) : Expression(s) { sub = su;};
virtual ~Subgroup() { delete sub;};
virtual double evaluate(const double * d, const double *) {
return sub->evaluate(d);
};
virtual Expression * copy() {
return new Subgroup(session(), sub->copy());
};
virtual Expression * derive(int id) {
return new Subgroup(session(), sub->derive(id));
};
virtual Expression * simplify();
virtual std::string pretty_print();
// Pretty nasty to forget this one !!!
virtual std::set<int> used_variables() {
return sub->used_variables();
};
};
};
|