casnumeric.h

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// -*- C++ -*-
//
//  Copyright (c) 2006 by Rafael Ostertag
//
//  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
//
// $Id: casnumeric.h,v 1.11 2006/12/28 19:01:24 rafi Exp $
//

#ifndef _CASNUMERIC_H
#define _CASNUMERIC_H

#ifdef HAVE_CONFIG_H
#include "config.h"
#endif

#include "casobject.h"
#include "castype.h"

enum signedness {Positive = 0, Negative = 1};

class CASNumeric : public CASObject {
    private:
        bool negative;
        unsigned long radix;

        unsigned long div_depth;

    public:
        inline CASNumeric() : negative ( false ), radix ( 10 ), div_depth ( 10 ) {
        meta.SetPureNumerical();
        meta.SetSingleValue();
    };
        inline CASNumeric ( bool n ) : negative ( n ), radix ( 10 ), div_depth ( 10 ) {
        meta.SetPureNumerical();
        meta.SetSingleValue();
    };
        inline CASNumeric ( bool n, unsigned long r ) : negative ( n ), radix ( r ), div_depth ( 10 ) {
        meta.SetPureNumerical();
        meta.SetSingleValue();
    };
        inline CASNumeric ( unsigned long r ) : negative ( false ), radix ( r ), div_depth ( 10 ) {
        meta.SetPureNumerical();
        meta.SetSingleValue();
    };
        inline bool IsNegative() const { return negative; }
        inline bool IsPositive() const { return !negative; }
        inline void SetNegative() { negative = true; }
        inline void SetPositive() { negative = false; }
        void SetSign ( signedness s );
        signedness GetSign() const;

        inline void SetDivDepth ( unsigned long d ) { div_depth = d; }
        inline unsigned long GetDivDepth() const { return div_depth; }
        inline void SetRadix ( unsigned long r ) { radix = r; }
        inline unsigned long GetRadix() const { return radix; }

        inline void AbsoluteIP() { negative = false; }
        inline void InvertIP() { negative = !negative; };

        inline virtual ~CASNumeric() {};

};

#endif /* _CASNUMERIC_H */

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