mpz_sizeinbase    755 ext/gmp/gmp.c  	num_len = mpz_sizeinbase(gmpnum, abs(base));
mpz_sizeinbase   1146 ext/gmp/gmp.c  		size_t count = (mpz_sizeinbase(gmpnumber, 2) + bits_per_word - 1) / bits_per_word;