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/* This file is part of the KDE libraries
Copyright (C) 2005 Klaus Niederkrueger <kniederk@math.uni-koeln.de>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef _KNUMBER_PRIV_H
#define _KNUMBER_PRIV_H
class QString;
#include <cstdio>
#include <gmp.h>
// work-around for pre-C99-libs
#ifndef INFINITY
#define INFINITY HUGE_VAL
#endif
// this is really ugly
#ifndef NAN
#define NAN (atof("nan"))
#endif
class _knumber
{
public:
enum NumType {SpecialType, IntegerType, FractionType, FloatType};
enum ErrorType {UndefinedNumber, Infinity, MinusInfinity};
_knumber() {}
virtual ~_knumber() {}
virtual void copy(_knumber const & num) = 0;
virtual NumType type(void) const = 0;
virtual QString const ascii(int prec = -1) const = 0;
virtual _knumber * abs(void) const = 0;
virtual _knumber * intPart(void) const = 0;
virtual int sign(void) const = 0;
virtual _knumber * sqrt(void) const = 0;
virtual _knumber * cbrt(void) const = 0;
virtual _knumber * change_sign(void) const = 0;
virtual _knumber * reciprocal(void) const = 0;
virtual _knumber * add(_knumber const & arg2) const = 0;
virtual _knumber * multiply(_knumber const & arg2) const = 0;
_knumber * divide(_knumber const & arg2) const;
virtual _knumber * power(_knumber const & exponent) const = 0;
virtual int compare(_knumber const &arg2) const = 0;
virtual operator signed long int (void) const = 0;
virtual operator unsigned long int (void) const = 0;
virtual operator double (void) const = 0;
};
class _knumerror : public _knumber
{
public:
_knumerror(ErrorType error = UndefinedNumber)
: _error(error) { }
_knumerror(_knumber const & num);
_knumerror(const QString & num);
//virtual ~_knumerror() { }
_knumerror const & operator = (_knumerror const & num);
virtual void copy(_knumber const & num)
{
_error = dynamic_cast<_knumerror const &>(num)._error;
}
virtual NumType type(void) const {return SpecialType;}
virtual QString const ascii(int prec = -1) const;
virtual _knumber * abs(void) const;
virtual _knumber * intPart(void) const;
virtual int sign(void) const;
virtual _knumber * cbrt(void) const;
virtual _knumber * sqrt(void) const;
virtual _knumber * change_sign(void) const;
virtual _knumber * reciprocal(void) const;
virtual _knumber * add(_knumber const & arg2) const;
virtual _knumber * multiply(_knumber const & arg2) const;
virtual _knumber * power(_knumber const & exponent) const;
virtual int compare(_knumber const &arg2) const;
virtual operator signed long int (void) const;
virtual operator unsigned long int (void) const;
virtual operator double (void) const;
private:
ErrorType _error;
friend class _knuminteger;
friend class _knumfraction;
friend class _knumfloat;
};
class _knuminteger : public _knumber
{
public:
_knuminteger(signed int num = 0)
{
mpz_init_set_si(_mpz, num);
}
_knuminteger(unsigned int num)
{
mpz_init_set_ui(_mpz, num);
}
_knuminteger(signed long int num)
{
mpz_init_set_si(_mpz, num);
}
_knuminteger(unsigned long int num)
{
mpz_init_set_ui(_mpz, num);
}
_knuminteger(unsigned long long int num);
_knuminteger(_knumber const & num);
_knuminteger(const QString & num);
virtual ~_knuminteger()
{
mpz_clear(_mpz);
}
_knuminteger const & operator = (_knuminteger const & num);
virtual void copy(_knumber const & num)
{
mpz_set(_mpz, dynamic_cast<_knuminteger const &>(num)._mpz);
}
virtual NumType type(void) const {return IntegerType;}
virtual QString const ascii(int prec = -1) const;
virtual _knumber * abs(void) const;
virtual _knumber * intPart(void) const;
virtual int sign(void) const;
virtual _knumber * cbrt(void) const;
virtual _knumber * sqrt(void) const;
virtual _knumber * change_sign(void) const;
virtual _knumber * reciprocal(void) const;
virtual _knumber * add(_knumber const & arg2) const;
virtual _knumber * multiply(_knumber const & arg2) const;
virtual int compare(_knumber const &arg2) const;
virtual _knumber * power(_knumber const & exponent) const;
virtual operator signed long int (void) const;
virtual operator unsigned long int (void) const;
virtual operator double (void) const;
_knuminteger * intAnd(_knuminteger const &arg2) const;
_knuminteger * intOr(_knuminteger const &arg2) const;
_knumber * mod(_knuminteger const &arg2) const;
_knumber * shift(_knuminteger const &arg2) const;
private:
mpz_t _mpz;
friend class _knumfraction;
friend class _knumfloat;
};
class _knumfraction : public _knumber
{
public:
_knumfraction(signed long int nom = 0, signed long int denom = 1)
{
mpq_init(_mpq);
mpq_set_si(_mpq, nom, denom);
mpq_canonicalize(_mpq);
}
_knumfraction(_knumber const & num);
_knumfraction(QString const & num);
virtual ~_knumfraction()
{
mpq_clear(_mpq);
}
virtual void copy(_knumber const & num)
{
mpq_set(_mpq, dynamic_cast<_knumfraction const &>(num)._mpq);
}
virtual NumType type(void) const {return FractionType;}
virtual QString const ascii(int prec = -1) const;
bool isInteger(void) const;
virtual _knumber * abs(void) const;
virtual _knumber * intPart(void) const;
virtual int sign(void) const;
virtual _knumber * cbrt(void) const;
virtual _knumber * sqrt(void) const;
virtual _knumber * change_sign(void) const;
virtual _knumber * reciprocal(void) const;
virtual _knumber * add(_knumber const & arg2) const;
virtual _knumber * multiply(_knumber const & arg2) const;
virtual _knumber * power(_knumber const & exponent) const;
virtual int compare(_knumber const &arg2) const;
virtual operator signed long int (void) const;
virtual operator unsigned long int (void) const;
virtual operator double (void) const;
private:
mpq_t _mpq;
friend class _knuminteger;
friend class _knumfloat;
};
class _knumfloat : public _knumber
{
public:
_knumfloat(double num = 1.0)
{
mpf_init(_mpf);
mpf_set_d(_mpf, num);
}
_knumfloat(_knumber const & num);
_knumfloat(QString const & num);
virtual ~_knumfloat()
{
mpf_clear(_mpf);
}
virtual void copy(_knumber const & num)
{
mpf_set(_mpf, dynamic_cast<_knumfloat const &>(num)._mpf);
}
virtual NumType type(void) const {return FloatType;}
virtual QString const ascii(int prec = -1) const;
virtual _knumber * abs(void) const;
virtual _knumber * intPart(void) const;
virtual int sign(void) const;
virtual _knumber * cbrt(void) const;
virtual _knumber * sqrt(void) const;
virtual _knumber * change_sign(void) const;
virtual _knumber * reciprocal(void) const;
virtual _knumber * add(_knumber const & arg2) const;
virtual _knumber * multiply(_knumber const & arg2) const;
virtual _knumber * divide(_knumber const & arg2) const;
virtual _knumber * power(_knumber const & exponent) const;
virtual int compare(_knumber const &arg2) const;
virtual operator signed long int (void) const;
virtual operator unsigned long int (void) const;
virtual operator double (void) const;
private:
mpf_t _mpf;
friend class _knuminteger;
friend class _knumfraction;
};
#endif // _KNUMBER_PRIV_H
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