file_id.diz

64位数的计算

CBigUINT v1.0 is a 64 bit unsigned integer
class.  It can handle numbers as small as 0
and as large as 18,446,744,073,709,551,614.
CBigUINT can also inform you of any errors
that may occur due to overflow, underflow and
divide by zero by way of an isError() method.