[racket-users] RacketCon - Saturday Social and Sunday events

2019-05-30 Thread Jay McCarthy
As I'm sure you've noticed, we updated the RacketCon site today: https://con.racket-lang.org/ Visit today to find out... 1) What the title of the keynote is! 2) Where we will be doing a social event on Saturday evening! 3) What is happening on Sunday! We hope that you will tell all your frien

Re: [racket-users] Confused about testing web applications

2019-05-30 Thread Jay McCarthy
You may be interesting in the `web-server/test` library: https://docs.racket-lang.org/web-server/test.html -- Jay McCarthy Associate Professor @ CS @ UMass Lowell http://jeapostrophe.github.io Vincit qui se vincit. On Thu, May 30, 2019 at 2:24 PM Comrade SparklePony wrote: > > Hello, > > I'

[racket-users] Confused about testing web applications

2019-05-30 Thread Comrade SparklePony
Hello, I'm new to Racket, and to gain facility with it I have been trying to write small webapps, i.e. a simple calculator, using the built-in web framework. However, I have found myself stuck when trying to implement tests for some of the functions the webapp provides-- I am not sure how t

Re: [racket-users] anyone using single-flonums?

2019-05-30 Thread Matthew Flatt
At Thu, 30 May 2019 08:06:33 -0500, Robby Findler wrote: > On Thu, May 30, 2019 at 8:03 AM Laurent wrote: > > I suspect that if Matthew feels a need to ask about this, this means the > price of backward compatibility to pay for all of us may be quite significant. > > Not one to put words in Matt

Re: [racket-users] Racket 7.3 Plot Performance Regression

2019-05-30 Thread Sam Tobin-Hochstadt
I just tried this on my build (from HEAD) and I also do not see any slowdown. Trying with a regular installer would be helpful. Sam On Fri, May 17, 2019 at 5:09 PM evdubs wrote: > > Hi All, > > I have noticed sluggish performance with my plot overlays in Racket 7.3 that > I had not noticed in v

Re: [racket-users] anyone using single-flonums?

2019-05-30 Thread Josh Rubin
On Thu, May 30, 2019 at 9:03 AM Laurent wrote: If no one is really relying on them as of today, then I would strongly support allowing Matthew to break things and move fast. If anyone has a real need for such a data structure it can still probably be implemented later as a third-party library

Re: [racket-users] anyone using single-flonums?

2019-05-30 Thread Matthew Flatt
At Thu, 30 May 2019 12:10:37 +0200, Konrad Hinsen wrote: > Am 29.05.19 um 17:52 schrieb Matthew Flatt: > > > Does anyone use single-flonums in Racket? > > Right now, no, but I have used them briefly in a past project, for > testing the impact of single-precision on a numerical algorithm. Thanks

Re: [racket-users] anyone using single-flonums?

2019-05-30 Thread Robby Findler
On Thu, May 30, 2019 at 8:03 AM Laurent wrote: > I suspect that if Matthew feels a need to ask about this, this means the > price of backward compatibility to pay for all of us may be quite significant. Not one to put words in Matthew's mouth, but I presume that he is hopeful that no one is actu

Re: [racket-users] anyone using single-flonums?

2019-05-30 Thread Laurent
If no one is really relying on them as of today, then I would strongly support allowing Matthew to break things and move fast. If anyone has a real need for such a data structure it can still probably be implemented later as a third-party library, possibly extended to user-specified-precision flonu

[racket-users] Compiler options for a DSL

2019-05-30 Thread Dmitry Pavlov
Hello, Racket is a perfect tool for creating new languages and compilers for them, everybody knows that. There is one thing, though, generally available in compilers and not instantly available in Racket DSL tools (or I just missed it). How to specify options to the compiler? Consider a source

Re: [racket-users] anyone using single-flonums?

2019-05-30 Thread Hendrik Boom
On Thu, May 30, 2019 at 12:10:37PM +0200, Konrad Hinsen wrote: > Am 29.05.19 um 17:52 schrieb Matthew Flatt: > > > Does anyone use single-flonums in Racket? > > Right now, no, but I have used them briefly in a past project, for testing > the impact of single-precision on a numerical algorithm. >

Re: [racket-users] anyone using single-flonums?

2019-05-30 Thread Konrad Hinsen
Am 29.05.19 um 17:52 schrieb Matthew Flatt: Does anyone use single-flonums in Racket? Right now, no, but I have used them briefly in a past project, for testing the impact of single-precision on a numerical algorithm. The main reason to use single-precision floats nowadays is cutting memor