Colin Law wrote in post #970510: > On 24 December 2010 14:47, Marnen Laibow-Koser <[email protected]> > wrote: >>> Talking slight bollocks. I meant that you can't store with infinite >>> precision, ie you'll always be liable for some error. >> >> Of course. You know a better way? Should we just store everything as >> Rational? > > For things that _are_ decimal numbers (such as money) use Fixed or > BigDecimal and for things that are not decimal then use Float and > determine the errors if it is important.
That's basically what I've been saying, except for "decimal" substitute "rational". However, there's not always an a priori way to determine if a given field will need to store irrational numbers. > > Colin Best, -- Marnen Laibow-Koser http://www.marnen.org [email protected] Sent from my iPhone -- Posted via http://www.ruby-forum.com/. -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.

