Sorry, of course i meant the clojure.data.generators library https://github.com/clojure/data.generators
esp. the *rnd* that can be bound around many of the functions in the library. /Linus On Wednesday, June 4, 2014, Linus Ericsson <oscarlinuserics...@gmail.com> wrote: > Data.generative already has this function and many more, I realized. > > /Linus > > On Wednesday, June 4, 2014, Mars0i <marsh...@logical.net > <javascript:_e(%7B%7D,'cvml','marsh...@logical.net');>> wrote: > >> >> >> On Wednesday, June 4, 2014 2:55:20 AM UTC-5, Gunnar Völkel wrote: >>> >>> Once you notice that you usually need a fast solution. >>> >> >> Yes! >> >> >>> The easiest solution is to just pass around an instance of >>> java.util.Random which you create with the desired seed. Another options is >>> to have a constructor function returning a "rand" function. >>> >>> (defn prng [seed] >>> (let [rnd (java.util.Random. (long seed))] >>> (fn rand [] (.nextDouble rnd)))) >>> >> >> Thanks. This is very helpful. I have not been thoroughly immersed in >> the Java world for many years, so I have to spend a bit of time studying in >> order to figure out this sort of thing on my own. (I like Clojure because >> I usually only need to deal with Java when I want to, but there are times >> when it's necessary.) >> >> >>> But having a built-in rebindable (thread-local) "rand" is preferable in >>> the long run. >>> >> >> Yes, especially since rolling one's own version means coding up any >> higher-level functions that use randomness, when others who have thought >> more about relevant algorithms have already done that work. Then again, >> their source code is usually available, so one can copy it. For my present >> purposes, data.generators or bigml/sampling might do what I need. >> >> -- >> 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 unsubscribe from this group and stop receiving emails from it, send an >> email to clojure+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > -- 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 unsubscribe from this group and stop receiving emails from it, send an email to clojure+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
