Agh that makes sense, I thought I was going crazy but I guess it's obvious now you point it out... Thanks for the help :D
Gaz Sent from my iPhone On Nov 29, 2009, at 10:36 AM, Ahmed Fasih <wuzzyv...@gmail.com> wrote: > Hi, without knowing much about what's going on, note that > > user=> (reduce + [15.00M 15.01M 3.00M 3.01M]) > 36.02M > user=> (with-precision 3 (reduce + [15.00M 15.01M 3.00M 3.01M])) > 36.0M > > So an intermediate step in the calculation is rounded down to 3 > decimals and that rounding error is carried through. So the "9M" with > 3-precision would mean "9.00M". > > Amazing! It might be getting in your way here, but functions changing > their operation because they were called via "with-precision" speaks > to a flexibility that I've only seen in Lisps. > > On Nov 28, 10:27 pm, Gaz <gareth.e.jo...@gmail.com> wrote: >> Hi, apologies if this is a silly question. Im having some confusion >> with the following code: >> >> (with-precision 3 (/ 36.02M 4.00M)) >> 9.01M >> >> This is what i would expect. This however: >> >> (with-precision 3 (/ (reduce + [15.00M 15.01M 3.00M 3.01M]) >> 4.0M)) >> 9M >> >> Seems a bit odd? Or am I missing something obvious :( >> >> Thanks for any help. > > -- > You received this message because you are subscribed to the Google > Groups "Clojure" group. > To post to this group, send email to clojure@googlegroups.com > Note that posts from new members are moderated - please be patient > with your first post. > To unsubscribe from this group, send email to > clojure+unsubscr...@googlegroups.com > For more options, visit this group at > http://groups.google.com/group/clojure?hl=en -- You received this message because you are subscribed to the Google Groups "Clojure" group. To post to this group, send email to clojure@googlegroups.com Note that posts from new members are moderated - please be patient with your first post. To unsubscribe from this group, send email to clojure+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/clojure?hl=en
