Great work, Jens. I am glad my approach as been adopted (and much improved without deviating from the original idea of simpler recurrence). When can we expect it in the next nightly build?
Thanks, Jos > -----Original Message----- > From: jensaxelsoega...@gmail.com > [mailto:jensaxelsoega...@gmail.com] On Behalf Of Jens Axel Søgaard > Sent: domingo, 29 de junio de 2014 12:48 > To: Matthew Flatt > Cc: Jos Koot; Racket Users List > Subject: Re: [racket] FW: q about code for partitions > > I have made a new vector version using zero? instead of exact-zero?. > > To give users a chance to remove the cache after doing > partitions calculations, > I have added set-partitions-cache. > > Code: > > https://github.com/soegaard/racket/blob/patch-14/pkgs/math-pkg s/math-lib/math/private/number-theory/partitions.rkt > > Discussion: > https://github.com/plt/racket/pull/697 > > /Jens Axel > > > 2014-06-29 12:44 GMT+02:00 Jens Axel Søgaard <jensa...@soegaard.net>: > > 2014-06-29 8:47 GMT+02:00 Matthew Flatt <mfl...@cs.utah.edu>: > >> It looks like "partitions2.rkt" ends up calling a contract-wrapped > >> variant of `exact-zero?`. > > > > That explains why Eric saw an improvement, when the used #f > instead of > > 0 as the not-cached-yet value. > > > > /Jens Axel > > > > -- > -- > Jens Axel Søgaard ____________________ Racket Users list: http://lists.racket-lang.org/users
