seetharaman venkatasamy wrote:also it is already discussed here and Rob answared this question ... search here
Exactly what phrase do you want us to search with?
Rob's answered almost every question out here so searching by his name is not a viable option!
@Henry - Point taken - Actually I did think about floating point numbers. I know them all too well.
But to say x == x gives a false -- I cannot think of any possible value of x where this happens? So what could the special value be.