> almost invariably floating-point calculations end up in some kind of comparison I'm pretty sure OP meant comparison for equality, not comparison in general (

> almost invariably floating-point calculations end up in some kind of comparison I'm pretty sure OP meant comparison for equality, not comparison in general (which would be absurd, indeed). > even equality comparison of floats is useful That's exactly what I tried to point out. However, these are really special cases and you need to be careful and know what you are doing.