In message < 199710162129.WAA11375@phal.cygnus.co.uk >you write: > sqrtllu shiftes an integer by a quantity that is 15 for the calls > in the test, and might be as high as 32 in general. > For a shift count of 15, this yields a negative value on hosts with 16 bit > ints. Herei s a fix: Thanks. Installed. Jeff