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/* operator.h - This file is part of Kalamaris Copyright (C) 2000 Antonio Larrosa Jimenez Kalamaris' homepage : http://www.arrakis.es/~rlarrosa/kalamaris.html 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, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. Send comments and bug fixes to Antonio Larrosa <larrosa@kde.org> ***************************************************************************/ #include "map.h" class Operator : public Map { /** * Operator : '+' , '-' , '*' , '/' , '^' */ char op; Map *tree1; Map *tree2; public: Operator(char _op, const QString &t1, const QString &t2); Operator(char _op, Map *_m1, Map *_m2); virtual ~Operator(); virtual Map *copy(void); virtual Map *eval (const QDict <Map> &vars); virtual Map *derive(const Variable &, const QDict <Map> &vars); virtual QString string(void) const; virtual void propagateForceEvaluation( bool b=true ); virtual Map *simplify(void); /** * Calculates the addition,substraction, multiplication or division * (depends on the operator _op), of _m1 and _m2. * The diference between this method and a new Operator instance is that * this method first checks if both _m1 and _m2 are constant and then * just returns a new Constant object instead of an Operator. */ // static Map * calc(char _op, Map *_m1, Map *_m2); };
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