impl.h

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/*
 *      ilp impl module interface
 *
 *      This file is part of OTAWA
 *      Copyright (c) 2013, IRIT UPS.
 *
 *      OTAWA 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.
 *
 *      OTAWA 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 OTAWA; if not, write to the Free Software
 *      Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef OTAWA_ILP_IMPL_H_
#define OTAWA_ILP_IMPL_H_

#include "Var.h"
#include "Constraint.h"
#include "System.h"

namespace otawa { namespace ilp {

class VarImpl: public Var {
public:
        inline VarImpl(void) { }
        inline VarImpl(string name): Var(name) { }
};


class ConstraintImpl: public Constraint {
public:
        ConstraintImpl(comparator_t comparator, string label = "");
        virtual double coefficient(Var *var);
        virtual double constant(void) const;
        virtual comparator_t comparator(void) const;
        virtual const string& label(void) const;

        virtual void add(double coef, Var *var);
        virtual void sub(double coef, Var *var);

        virtual elm::datastruct::IteratorInst<Term> *terms(void);

private:
        Expression expr;
        comparator_t comp;
        string lab;
};

} }     // otawa::ilp

#endif /* OTAWA_ILP_IMPL_H_ */