Hi Manuel,

Can anybody provide information about multi precision signed integer class library . I am interested in doing very long int class (digits up to 100) is both the project is same

It probably is. the mp_int class provides arithmetic operations on integers that can be not only hundreds of digits long but of almost unlimited length. However it is not part of Boost because it hasn't been reviewed yet nor is the library finished. Did you mean for this to be your Google Summer of Code project? Kevin