Actually, now that brain is in gear, I think you *always* want to use eq rather than == for comparing floats. If you use 
sprintf( "%.3f", $num1 ) == sprintf( "%.3f", $num2 )

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that just puts you right back to where you started: comparing floats with ==.

In reply to Re^4: problem with variables by JohnMG
in thread problem with variables by jeanluca

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