public static HugeNumber operator *(HugeNumber a, HugeNumber b)
{
HugeNumber num = new HugeNumber(a);
num.Multiply(b);
return(num);
}
/// <summary>
/// 计算指数
/// </summary>
/// <param name="times"></param>
/// <param name="precision">记录计算过程中的精度（即原数乘了10^precision倍）</param>
public void Pow(int times, int precision = 0)
{
if (times < 0)
{
Reset();
}
else if (times == 0)
{
SetABit(precision);
}
else
{
HugeNumber cache = new HugeNumber(this);
HugeNumber temp = One;
temp.MoveLeft(precision);
SetABit(precision);
int p = 0;
for (int i = 0; i < 32; i++)
{
if ((times & (1 << i)) == 0)
{
continue;
}
while (p <= i)
{
temp.Multiply(cache);
temp.MoveRight(precision);
cache.SetValue(temp);
p++;
}
Multiply(temp);
MoveRight(precision);
}
}
}