31af61ea09
This reverts commit 47a2d7642d.
Conflicts:
cui/source/tabpages/transfrm.cxx
svx/source/svdraw/svdedtv1.cxx
svx/source/svdraw/svdibrow.cxx
sw/source/filter/ww1/w1filter.cxx
tools/source/generic/rational.cxx
Change-Id: I4849916f5f277a4afef0e279b0135c76b36b9d15
306 lines
7.7 KiB
C++
306 lines
7.7 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_TOOLS_BIGINT_HXX
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#define INCLUDED_TOOLS_BIGINT_HXX
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#include <climits>
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#include <rtl/ustring.hxx>
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#include <tools/toolsdllapi.h>
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#include <tools/solar.h>
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class SvStream;
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#define MAX_DIGITS 8
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class Fraction;
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class TOOLS_DLLPUBLIC SAL_WARN_UNUSED BigInt
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{
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private:
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long nVal;
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unsigned short nNum[MAX_DIGITS];
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sal_uInt8 nLen : 5; // current length
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bool bIsNeg : 1, // Is Sign negative?
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bIsBig : 1, // sal_True == BigInt
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bIsSet : 1; // Not "Null" (not "not 0")
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TOOLS_DLLPRIVATE void MakeBigInt(BigInt const &);
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TOOLS_DLLPRIVATE void Normalize();
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TOOLS_DLLPRIVATE void Mult(BigInt const &, sal_uInt16);
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TOOLS_DLLPRIVATE void Div(sal_uInt16, sal_uInt16 &);
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TOOLS_DLLPRIVATE bool IsLess(BigInt const &) const;
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TOOLS_DLLPRIVATE void AddLong(BigInt &, BigInt &);
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TOOLS_DLLPRIVATE void SubLong(BigInt &, BigInt &);
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TOOLS_DLLPRIVATE void MultLong(BigInt const &, BigInt &) const;
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TOOLS_DLLPRIVATE void DivLong(BigInt const &, BigInt &) const;
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TOOLS_DLLPRIVATE void ModLong(BigInt const &, BigInt &) const;
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TOOLS_DLLPRIVATE bool ABS_IsLess(BigInt const &) const;
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public:
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BigInt()
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: nVal(0)
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, nLen(0)
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, bIsNeg(false)
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, bIsBig(false)
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, bIsSet(false)
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{
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}
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BigInt(short nValue)
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: nVal(nValue)
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, nLen(0)
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, bIsNeg(false)
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, bIsBig(false)
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, bIsSet(true)
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{
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}
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BigInt(long nValue)
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: nVal(nValue)
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, nLen(0)
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, bIsNeg(false)
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, bIsBig(false)
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, bIsSet(true)
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{
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}
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BigInt(int nValue)
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: nVal(nValue)
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, nLen(0)
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, bIsNeg(false)
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, bIsBig(false)
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, bIsSet(true)
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{
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}
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BigInt( double nVal );
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BigInt(sal_uInt16 nValue)
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: nVal(nValue)
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, nLen(0)
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, bIsNeg(false)
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, bIsBig(false)
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, bIsSet(true)
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{
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}
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BigInt( sal_uInt32 nVal );
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#if SAL_TYPES_SIZEOFLONG < SAL_TYPES_SIZEOFLONGLONG
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BigInt( long long nVal );
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#endif
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BigInt( const BigInt& rBigInt );
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BigInt( const OUString& rString );
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operator short() const;
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operator long() const;
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operator int() const;
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operator double() const;
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operator sal_uInt16() const;
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operator sal_uIntPtr() const;
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void Set( bool bSet ) { bIsSet = bSet ? sal_True : sal_False; }
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bool IsSet() const { return (bool)bIsSet; }
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bool IsNeg() const;
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bool IsZero() const;
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bool IsOne() const;
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bool IsLong() const { return !((bool)bIsBig); }
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void Abs();
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BigInt& operator =( const BigInt& rVal );
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BigInt& operator +=( const BigInt& rVal );
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BigInt& operator -=( const BigInt& rVal );
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BigInt& operator *=( const BigInt& rVal );
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BigInt& operator /=( const BigInt& rVal );
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BigInt& operator %=( const BigInt& rVal );
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BigInt& operator =( const short nValue );
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BigInt& operator =( const long nValue );
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BigInt& operator =( const int nValue );
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BigInt& operator =( const sal_uInt16 nValue );
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friend inline BigInt operator +( const BigInt& rVal1, const BigInt& rVal2 );
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friend inline BigInt operator -( const BigInt& rVal1, const BigInt& rVal2 );
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friend inline BigInt operator *( const BigInt& rVal1, const BigInt& rVal2 );
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friend inline BigInt operator /( const BigInt& rVal1, const BigInt& rVal2 );
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friend inline BigInt operator %( const BigInt& rVal1, const BigInt& rVal2 );
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TOOLS_DLLPUBLIC friend bool operator==( const BigInt& rVal1, const BigInt& rVal2 );
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friend inline bool operator!=( const BigInt& rVal1, const BigInt& rVal2 );
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TOOLS_DLLPUBLIC friend bool operator< ( const BigInt& rVal1, const BigInt& rVal2 );
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TOOLS_DLLPUBLIC friend bool operator> ( const BigInt& rVal1, const BigInt& rVal2 );
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friend inline bool operator<=( const BigInt& rVal1, const BigInt& rVal2 );
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friend inline bool operator>=( const BigInt& rVal1, const BigInt& rVal2 );
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friend class Fraction;
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};
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inline BigInt::operator short() const
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{
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if ( !bIsBig && nVal >= SHRT_MIN && nVal <= SHRT_MAX )
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return (short)nVal;
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else
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return 0;
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}
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inline BigInt::operator long() const
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{
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if ( !bIsBig )
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return nVal;
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else
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return 0;
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}
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inline BigInt::operator int() const
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{
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if ( !bIsBig && (nVal == (long)(int)nVal) )
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return (int)nVal;
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else
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return 0;
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}
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inline BigInt::operator sal_uInt16() const
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{
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if ( !bIsBig && nVal >= 0 && nVal <= (long)USHRT_MAX )
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return (sal_uInt16)nVal;
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else
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return 0;
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}
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inline BigInt& BigInt::operator =( const short nValue )
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{
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bIsSet = true;
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bIsBig = false;
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nVal = nValue;
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return *this;
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}
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inline BigInt& BigInt::operator =( const long nValue )
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{
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bIsSet = true;
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bIsBig = false;
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nVal = nValue;
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return *this;
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}
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inline BigInt& BigInt::operator =( const int nValue )
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{
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bIsSet = true;
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bIsBig = false;
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nVal = nValue;
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return *this;
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}
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inline BigInt& BigInt::operator =( const sal_uInt16 nValue )
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{
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bIsSet = true;
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bIsBig = false;
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nVal = nValue;
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return *this;
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}
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inline bool BigInt::IsNeg() const
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{
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if ( !bIsBig )
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return (nVal < 0);
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else
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return (bool)bIsNeg;
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}
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inline bool BigInt::IsZero() const
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{
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if ( bIsBig )
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return false;
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else
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return (nVal == 0);
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}
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inline bool BigInt::IsOne() const
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{
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if ( bIsBig )
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return false;
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else
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return (nVal == 1);
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}
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inline void BigInt::Abs()
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{
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if ( bIsBig )
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bIsNeg = false;
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else if ( nVal < 0 )
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nVal = -nVal;
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}
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inline BigInt operator+( const BigInt &rVal1, const BigInt &rVal2 )
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{
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BigInt aErg( rVal1 );
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aErg += rVal2;
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return aErg;
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}
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inline BigInt operator-( const BigInt &rVal1, const BigInt &rVal2 )
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{
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BigInt aErg( rVal1 );
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aErg -= rVal2;
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return aErg;
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}
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inline BigInt operator*( const BigInt &rVal1, const BigInt &rVal2 )
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{
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BigInt aErg( rVal1 );
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aErg *= rVal2;
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return aErg;
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}
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inline BigInt operator/( const BigInt &rVal1, const BigInt &rVal2 )
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{
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BigInt aErg( rVal1 );
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aErg /= rVal2;
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return aErg;
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}
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inline BigInt operator%( const BigInt &rVal1, const BigInt &rVal2 )
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{
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BigInt aErg( rVal1 );
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aErg %= rVal2;
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return aErg;
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}
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inline bool operator!=( const BigInt& rVal1, const BigInt& rVal2 )
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{
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return !(rVal1 == rVal2);
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}
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inline bool operator<=( const BigInt& rVal1, const BigInt& rVal2 )
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{
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return !( rVal1 > rVal2);
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}
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inline bool operator>=( const BigInt& rVal1, const BigInt& rVal2 )
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{
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return !(rVal1 < rVal2);
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}
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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