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Diffstat (limited to 'tools/inc/tools/bigint.hxx')
| -rw-r--r-- | tools/inc/tools/bigint.hxx | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/tools/inc/tools/bigint.hxx b/tools/inc/tools/bigint.hxx new file mode 100644 index 000000000000..965e85fdbbdb --- /dev/null +++ b/tools/inc/tools/bigint.hxx @@ -0,0 +1,331 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org 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 Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ +#ifndef _BIGINT_HXX +#define _BIGINT_HXX + +#include <climits> +#include "tools/toolsdllapi.h" +#include <tools/solar.h> +#include <tools/string.hxx> + +class SvStream; +#ifdef _TLBIGINT_INT64 +struct SbxINT64; +struct SbxUINT64; +namespace binfilter { class SbxINT64Converter; } +#endif + +// ---------- +// - BigInt - +// ---------- + +#define MAX_DIGITS 8 + +class Fraction; + +class TOOLS_DLLPUBLIC BigInt +{ +#ifdef _TLBIGINT_INT64 + friend class ::binfilter::SbxINT64Converter; +#endif + +private: + long nVal; + unsigned short nNum[MAX_DIGITS]; + sal_uInt8 nLen : 5; // Aktuelle Laenge + sal_Bool bIsNeg : 1, // Is Sign negative + bIsBig : 1, // sal_True == BigInt + bIsSet : 1; // Not "Null" (not not 0) + + TOOLS_DLLPRIVATE void MakeBigInt(BigInt const &); + TOOLS_DLLPRIVATE void Normalize(); + TOOLS_DLLPRIVATE void Mult(BigInt const &, sal_uInt16); + TOOLS_DLLPRIVATE void Div(sal_uInt16, sal_uInt16 &); + TOOLS_DLLPRIVATE sal_Bool IsLess(BigInt const &) const; + TOOLS_DLLPRIVATE void AddLong(BigInt &, BigInt &); + TOOLS_DLLPRIVATE void SubLong(BigInt &, BigInt &); + TOOLS_DLLPRIVATE void MultLong(BigInt const &, BigInt &) const; + TOOLS_DLLPRIVATE void DivLong(BigInt const &, BigInt &) const; + TOOLS_DLLPRIVATE void ModLong(BigInt const &, BigInt &) const; + TOOLS_DLLPRIVATE sal_Bool ABS_IsLess(BigInt const &) const; + +public: + BigInt(); + BigInt( short nVal ); + BigInt( long nVal ); + BigInt( int nVal ); + BigInt( double nVal ); + BigInt( sal_uInt16 nVal ); + BigInt( sal_uInt32 nVal ); + BigInt( const BigInt& rBigInt ); + BigInt( const ByteString& rString ); + BigInt( const UniString& rString ); +#ifdef _TLBIGINT_INT64 + BigInt( const SbxINT64 &r ); + BigInt( const SbxUINT64 &r ); +#endif + + operator short() const; + operator long() const; + operator int() const; + operator double() const; + operator sal_uInt16() const; + operator sal_uIntPtr() const; + + void Set( sal_Bool bSet ) { bIsSet = bSet; } + ByteString GetByteString() const; + UniString GetString() const; + + sal_Bool IsSet() const { return bIsSet; } + sal_Bool IsNeg() const; + sal_Bool IsZero() const; + sal_Bool IsOne() const; + sal_Bool IsLong() const { return !bIsBig; } + void Abs(); + void DivMod( const BigInt &rDivisor, BigInt &rMod ); +#ifdef _TLBIGINT_INT64 + sal_Bool INT64 ( SbxINT64 *p ) const; + sal_Bool UINT64( SbxUINT64 *p ) const; +#endif + + BigInt& operator =( const BigInt& rVal ); + BigInt& operator +=( const BigInt& rVal ); + BigInt& operator -=( const BigInt& rVal ); + BigInt& operator *=( const BigInt& rVal ); + BigInt& operator /=( const BigInt& rVal ); + BigInt& operator %=( const BigInt& rVal ); + + BigInt& operator =( const short nValue ); + BigInt& operator =( const long nValue ); + BigInt& operator =( const int nValue ); + BigInt& operator =( const sal_uInt16 nValue ); + + friend inline BigInt operator +( const BigInt& rVal1, const BigInt& rVal2 ); + friend inline BigInt operator -( const BigInt& rVal1, const BigInt& rVal2 ); + friend inline BigInt operator *( const BigInt& rVal1, const BigInt& rVal2 ); + friend inline BigInt operator /( const BigInt& rVal1, const BigInt& rVal2 ); + friend inline BigInt operator %( const BigInt& rVal1, const BigInt& rVal2 ); + + TOOLS_DLLPUBLIC friend sal_Bool operator==( const BigInt& rVal1, const BigInt& rVal2 ); + friend inline sal_Bool operator!=( const BigInt& rVal1, const BigInt& rVal2 ); + TOOLS_DLLPUBLIC friend sal_Bool operator< ( const BigInt& rVal1, const BigInt& rVal2 ); + TOOLS_DLLPUBLIC friend sal_Bool operator> ( const BigInt& rVal1, const BigInt& rVal2 ); + friend inline sal_Bool operator<=( const BigInt& rVal1, const BigInt& rVal2 ); + friend inline sal_Bool operator>=( const BigInt& rVal1, const BigInt& rVal2 ); + + friend class Fraction; +}; + +inline BigInt::BigInt() +{ + bIsSet = sal_False; + bIsBig = sal_False; + nVal = 0; +} + +inline BigInt::BigInt( short nValue ) +{ + bIsSet = sal_True; + bIsBig = sal_False; + nVal = nValue; +} + +inline BigInt::BigInt( long nValue ) +{ + bIsSet = sal_True; + bIsBig = sal_False; + nVal = nValue; +} + +inline BigInt::BigInt( int nValue ) +{ + bIsSet = sal_True; + bIsBig = sal_False; + nVal = nValue; +} + +inline BigInt::BigInt( sal_uInt16 nValue ) +{ + bIsSet = sal_True; + bIsBig = sal_False; + nVal = nValue; +} + +inline BigInt::operator short() const +{ + if ( !bIsBig && nVal >= SHRT_MIN && nVal <= SHRT_MAX ) + return (short)nVal; + else + return 0; +} + +inline BigInt::operator long() const +{ + if ( !bIsBig ) + return nVal; + else + return 0; +} + +inline BigInt::operator int() const +{ + if ( !bIsBig && (nVal == (long)(int)nVal) ) + return (int)nVal; + else + return 0; +} + +inline BigInt::operator sal_uInt16() const +{ + if ( !bIsBig && nVal >= 0 && nVal <= USHRT_MAX ) + return (sal_uInt16)nVal; + else + return 0; +} + +inline BigInt& BigInt::operator =( const short nValue ) +{ + bIsSet = sal_True; + bIsBig = sal_False; + nVal = nValue; + + return *this; +} + +inline BigInt& BigInt::operator =( const long nValue ) +{ + bIsSet = sal_True; + bIsBig = sal_False; + nVal = nValue; + + return *this; +} + +inline BigInt& BigInt::operator =( const int nValue ) +{ + bIsSet = sal_True; + bIsBig = sal_False; + nVal = nValue; + + return *this; +} + +inline BigInt& BigInt::operator =( const sal_uInt16 nValue ) +{ + bIsSet = sal_True; + bIsBig = sal_False; + nVal = nValue; + + return *this; +} + +inline sal_Bool BigInt::IsNeg() const +{ + if ( !bIsBig ) + return (nVal < 0); + else + return (sal_Bool)bIsNeg; +} + +inline sal_Bool BigInt::IsZero() const +{ + if ( bIsBig ) + return sal_False; + else + return (nVal == 0); +} + +inline sal_Bool BigInt::IsOne() const +{ + if ( bIsBig ) + return sal_False; + else + return (nVal == 1); +} + +inline void BigInt::Abs() +{ + if ( bIsBig ) + bIsNeg = sal_False; + else if ( nVal < 0 ) + nVal = -nVal; +} + +inline BigInt operator+( const BigInt &rVal1, const BigInt &rVal2 ) +{ + BigInt aErg( rVal1 ); + aErg += rVal2; + return aErg; +} + +inline BigInt operator-( const BigInt &rVal1, const BigInt &rVal2 ) +{ + BigInt aErg( rVal1 ); + aErg -= rVal2; + return aErg; +} + +inline BigInt operator*( const BigInt &rVal1, const BigInt &rVal2 ) +{ + BigInt aErg( rVal1 ); + aErg *= rVal2; + return aErg; +} + +inline BigInt operator/( const BigInt &rVal1, const BigInt &rVal2 ) +{ + BigInt aErg( rVal1 ); + aErg /= rVal2; + return aErg; +} + +inline BigInt operator%( const BigInt &rVal1, const BigInt &rVal2 ) +{ + BigInt aErg( rVal1 ); + aErg %= rVal2; + return aErg; +} + +inline sal_Bool operator!=( const BigInt& rVal1, const BigInt& rVal2 ) +{ + return !(rVal1 == rVal2); +} + +inline sal_Bool operator<=( const BigInt& rVal1, const BigInt& rVal2 ) +{ + return !( rVal1 > rVal2); +} + +inline sal_Bool operator>=( const BigInt& rVal1, const BigInt& rVal2 ) +{ + return !(rVal1 < rVal2); +} + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |