"Tammo Freese" wrote: > Perhaps this bug is only based on a misconfiguration of my system? > I use the windows installer from RubyCentral, version 1.6.2 (-03) > on Windows NT4. Anybody out there with the same configuration? > Which results do you get? P:\>ver Windows NT Version 4.0 P:\>ruby -v -w -e "a=-1.0; p a.nan?; p a=Math.log(a); p a.nan?" ruby 1.6.2 (2000-12-18) [i386-cygwin] false -Infinity false with ruby from Windows Installer ruby162-3.exe Dennis Decker Jensen