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