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資源簡介

用字符串十進制方式和整形數組2的32方進制。前者采用c++重載技術能更方便的進一步利用

資源截圖

代碼片段和文件信息

#include?
#include?

#define??N?20
#define?ISPOWEROFTWO(x)??0==((x)&((x)-1))
int?factorial(int?n)
{
int?product=1;
while(n>0)
product*=n--;

return?product;
}

int?rank(unsigned?k)
{
int?ifirstBitnum=0;
for(i=1;i<=32;i++)
{
if(k&(unsigned)1==1)
{
firstBit=i;
num++;
}
k>>=1;
}

if(num==0||firstBit<1)
return?1;
return?factorial(firstBit-1)/(factorial(num)*factorial(firstBit-1-num))+1;
}

int?divide(int?aint?bint?&r)
{
int?iq=0;
while(a-b>=0)
{
for(i=0;a-b>=0;b<<=1i++);
b>>=1;i--;
q+=(1< a-=b;b>>=i;
}
r=a;
return?q;
}

unsigned?*addition(const?unsigned?a[]const?unsigned?b[])
{
unsigned?*res=(unsigned*)malloc(sizeof(unsigned)*N);
unsigned?k=0;
for(int?i=N-1;i>=0;i--)
{
res[i]=a[i]+b[i]+k;
k=res[i] }
return?res;
}
unsigned?*addition(const?unsigned?a[]int?nconst?unsigned?b[]int?m)
{
int?max=n>m?n:m;
unsigned?*t1=(unsigned?*)malloc(sizeof(unsigned)*max);
unsigned?*t2=(unsigned?*)malloc(sizeof(unsigned)*max);
for(int?i=n-1j=max-1;i>=0;i--)
t1[j--]=a[i];
for(;j>=0;j--)
t1[j]=0;

for(i=m-1j=max-1;i>=0;i--)
t2[j--]=b[i];
for(;j>=0;j--)
t2[j]=0;

unsigned?*res=(unsigned*)malloc(sizeof(unsigned)*max);
unsigned?k=0;
for(i=max-1;i>=0;i--)
{
res[i]=t1[i]+t2[i]+k;
k=res[i] }
free(t1);
free(t2);
return?res;
}
void?countUp(unsigned?a[]const?unsigned?b[]int?n)
{
unsigned?k=0;
for(int?i=n-1;i>=0;i--)
{
a[i]=a[i]+b[i]+k;
k=a[i] }
}

unsigned?*substraction(const?unsigned?a[]const?unsigned?b[])
{
unsigned?k=0*t=(unsigned?*)malloc(sizeof(unsigned)*N);
for(int?i=N-1;i>=0;i--)
{
t[i]=a[i]-b[i]-k;
k=t[i]>=a[i]&&(b[i]!=0||k!=0)?1:0;
}
return?t;
}

void?countDown(unsigned?a[]const?unsigned?b[])
{
unsigned?k=0;
unsigned?t;
for(int?i=N-1;i>=0;i--)
{
t=a[i];
a[i]=a[i]-b[i]-k;
k=a[i]>=t&&(b[i]!=0||k!=0)?1:0;
}
}

unsigned?*circleLeft(unsigned?*aint?n)
{
int?i;
for(i=1n%=32;i<=n;i++)
{
if(*a&0x80000000)
{
*a<<=1;
*a+=1;
}
else
*a<<=1;
}
return?a;
}

unsigned?*circleRight(unsigned?*aint?n)
{
int?i;
for(i=1n%=32;i<=n;i++)
{
if(*a&0x1)
{
*a>>=1;
*a|=0x80000000;
}
else
*a>>=1;
}
return?a;
}

void?swapLowNbits(unsigned?*aunsigned?*bint?n)
{
unsigned?t=0;
for(int?i=0;i {
t=*a&(1< *a=*a&~(1< *b=*b&~(1< }
}

void?swaphighNbits(unsigned?*aunsigned?*bint?n)
{
unsigned?t=0;
for(int?i=0;i {
t=*a&(0x80000000>>i);
*a=*a&~(0x80000000>>i)|*b&(0x80000000>>i);
*b=*b&~(0x80000000>>i)|t;
}
}

void?moveLeft(unsigned?a[]int?mint?n)
{
int?i;
while(n-32>=0)
{
for(i=0;i a[i]=a[i+1];
a[i]=0;
n-=32;
}

if(n>0)
{
unsigned?k=0;
for(i=m-1;i>=0;i--)
{
circl

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件???????5991??2011-11-28?15:33??2的32次方進制\GNumber.cpp

?????文件???????1285??2011-10-09?11:57??十進制方式\BigNumber.h

?????文件???????7617??2011-10-19?19:28??十進制方式\BigNumber.cpp

?????目錄??????????0??2012-01-08?15:30??2的32次方進制

?????目錄??????????0??2012-01-08?15:29??十進制方式

-----------?---------??----------?-----??----

????????????????14893????????????????????5


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