Probably silly floating comparison question

[David Leadbeater]

london.pm at welikegoats.com wrote:
[..]
> I assume this is a rounding error with floating point values. How can I 
> make it do what I would expect it to do, which is make the first one 
> finish with 2.1?

while("$i" < 2)

Or: $i = new Math::BigFloat 0;

Math::BigFloat is probably more correct, but it's slow.

David