Hi there, is there a portable way for an application using GMP's mpz_t (seen as a collection of bits) to know the maximum number of bits a mpz_t can handle? All the best, Roberto -- Prof. Roberto Bagnara Computer Science Group Department of Mathematics, University of Parma, Italy http://www.cs.unipr.it/~bagnara/ mailto:bagnara at cs.unipr.it