Have you checked out clojure-contrib.math's abs function? It appears to do the right thing for the cases you listed.
On Nov 2, 4:22 pm, box <somethingital...@gmail.com> wrote: > Math/abs doesn't always return positive numbers. example: > > user=> (def min-int -2147483648) > #'user/min-int > > user=> min-int > -2147483648 > > user=> (Math/abs min-int) > -2147483648 > > user=> (def min-int+1 (+ 1 min-int)) > #'user/min-int+1 > > user=> min-int+1 > -2147483647 > > user=> (Math/abs (- min-int+1 1)) > -2147483648 > > (Math/abs (- Integer/MIN_VALUE 1)) > 2147483649 > > so, in order to solve this problem, clojure needs it's own ABS, or it > needs to convert a negative int approaching Integer/MIN_VALUE to > something else before it reaches Integer/MIN_VALUE. > > so, does it sound sane for clojure to fix java's surprises? -- 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
