#include“BigInt.h“
BigInt::BigInt（）
{
	digital[0]=0;???
	len=0;???????//當(dāng)前大整數(shù)的長度?
	sign=0;?????????//符號為正
????isLegal=true;
}

BigInt::BigInt（qllong?obj）
{
????if（obj<0）
????{sign=trueobj?=?-obj;}
????else?sign?=false;
????digital[0]=obj%base;len=0;
????while（obj/=base）
????{digital[++len]?=?obj%base;}
????isLegal=true;
}
BigInt::BigInt（const?BigInt?&obj）
{
	for（len=0sign=obj.sign;len<=obj.len;len++）
		digital[len]=obj.digital[len];
	len--;
?????isLegal=obj.isLegal;
}
BigInt&?BigInt::operator?=（const?BigInt?&obj）
{
	for（len=0sign=obj.sign;len<=obj.len;len++）
		digital[len]=obj.digital[len];
	len--;
?????isLegal=obj.isLegal;
	return?*this;
}
BigInt&?BigInt::operator?=?（QString?qstr）
{
	int?i=0jk;
????if（qstr[0]==‘-‘）
????{sign=1;}
	else?
????{
????????sign=0;
????????if（qstr[0]==‘+‘）
????????????qstr.remove（01）;
????}
????i=qstr.length（）;
	for（i=i-baseLENk=0;i>=sign;i-=baseLEN++k）
	{
		for（j=0digital[k]=0;jseLEN;++j）
????????{
????????????if（qstr[i+j]==‘?‘）continue;
????????????digital[k]=digital[k]*10+qstr[i+j].toAscii（）-‘0‘;
????????}
	}
	i+=baseLEN;
	for（j=signdigital[k]=0;j????{
????????if（qstr[j]==‘?‘）continue;
????????digital[k]=digital[k]*10+qstr[j].toAscii（）-‘0‘;
????}
	if（i==sign）k--;
	len=k;
????isLegal=true;
	return?*this;
}
BigInt?BigInt::operator?+（const?BigInt?&obj）
{
	BigInt?sum;
	if（obj.sign==sign）
	{?//同號加;
		int?carry=0i;
		for（i=0;i<=len?&&?i?<=?obj.len;i++）
		{
			carry?=?carry?+digital[i]+obj.digital[i];
			sum.digital[i]?=?carry%base;
			carry=?carry/base;
		}
		for（;i<=len;i++）
		{carry?=?carry?+?digital[i]?sum.digital[i]?=?carry%base?carry/=base;}
		for（;i<=obj.len;i++）
		{carry?=?carry?+obj.digital[i]?sum.digital[i]?=?carry%basecarry?=carry/base;}
		if（carry&&i????????else?if（carry&&i==MAXN）{isLegal=false;return?*this;}
		else?sum.len=i-1;
		sum.sign?=?sign;
		return?sum;
	}
	else?
	{?//異號變同號減法;
		sum?=?obj;sum.sign=?!sum.sign;
		return?*this-sum;
	}
}
BigInt?BigInt::operator?+（int?n）
{
	if（n==0）
		return?*this;
	if（（sign==1&&n<0）||（sign==0&&n>0））
	{
		int?tempcarry=0i=0;
		if（n<0）n=-n;
		BigInt?sum;
		if（len==0&&n>=base）{digital[1]=0;}??
		do
		{
			temp=n%base;n/=base;
			carry+=digital[i]+temp;
			sum.digital[i]=carry%base;
			carry=?carry/base;
			i++;
		}while（n）;
		while（i<=len）
		{
			carry+=digital[i];
			sum.digital[i]=carry%base;
			carry=carry/base;
			i++;
		}
		if（carry&&i????????else?if（carry&&i==MAXN）{isLegal=false;return?*this;}
		else?sum.len=i-1;
		sum.sign=sign;
		return?sum;
	}
	else
	{
		n=-n;
		return?*this-n;
	}
}
BigInt?BigInt::operator?-（const?BigInt?&obj）
{
	const?BigInt?*sub1*sub2;
	BigInt?quotient;
	if（sign==obj.sign）
	{?//同號減;
		int?i?carry=0;
		i?=?this->Cmp（obj1）;????????????????//絕對值比較;
		if（i==0）
			return?quotient;?????????????????//返回一個(gè)零
		else?i

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-04-24?15:36??Calculator\
?????文件???????15977??2012-09-09?22:51??Calculator\BigInt.cpp
?????文件????????1967??2012-08-25?21:34??Calculator\BigInt.h
?????文件???????57992??2012-12-18?13:15??Calculator\Calc.cpp
?????文件????????6177??2012-12-18?13:21??Calculator\Calc.h
?????文件???????40743??2012-12-18?13:13??Calculator\Calculator.cpp
?????文件????????3302??2012-11-01?00:33??Calculator\Calculator.h
?????文件?????????708??2012-11-02?23:00??Calculator\Calculator.pro
?????文件????????7957??2013-04-24?15:35??Calculator\Calculator.pro.user
?????文件???????28244??2012-12-18?19:56??Calculator\Calculator.pro.user.2.5pre1
?????文件???????10104??2012-11-19?16:31??Calculator\ChildWindow.cpp
?????文件????????1314??2012-11-01?00:35??Calculator\ChildWindow.h
?????文件???????35133??2012-12-12?21:33??Calculator\Chinese.qm
?????文件??????119913??2012-12-12?21:34??Calculator\Chinese.ts
?????文件????????6098??2012-11-10?19:22??Calculator\Complex.cpp
?????文件????????1247??2012-11-10?19:22??Calculator\Complex.h
?????文件????????8795??2012-11-10?16:59??Calculator\GeneticAlgorithm.cpp
?????文件?????????766??2012-11-10?16:47??Calculator\GeneticAlgorithm.h
?????文件???????13804??2012-10-30?14:31??Calculator\HugeCalc.cpp
?????文件????????1148??2012-10-18?15:28??Calculator\HugeCalc.h
?????文件????????4634??2013-04-24?15:35??Calculator\about.ui
?????文件??????155859??2012-11-17?22:56??Calculator\calculator.ui
?????文件???????14598??2012-12-18?13:13??Calculator\constant.ui
?????文件????????3462??2012-10-31?23:45??Calculator\history.ui
?????文件???????33831??2012-11-17?22:54??Calculator\hugeCalc.ui
?????目錄???????????0??2013-04-24?15:36??Calculator\images\
?????文件???????67168??2012-08-16?22:51??Calculator\images\banben.png
?????文件????????1092??2012-08-09?23:12??Calculator\images\clear.png
?????文件?????????909??2012-07-25?16:08??Calculator\images\fold.png
?????文件????????1135??2012-04-27?03:45??Calculator\images\go-previous.png
?????文件????????5149??2012-04-27?03:46??Calculator\images\qt-logo.png
............此處省略19個(gè)文件信息