JavaScript returns NANs in various places. Shriram
On Tue, May 25, 2010 at 10:48 AM, Sam Tobin-Hochstadt <sa...@ccs.neu.edu> wrote: > On Tue, May 25, 2010 at 6:49 AM, Shriram Krishnamurthi <s...@cs.brown.edu> > wrote: >> [It sure would be nice to provide a "JavaScript numbers" language >> level in DrScheme, so people can test under browser numbers and make >> sure those are sufficient for their programs. If they are, Moby can >> generate much simpler and vastly faster code.] > > Wouldn't this just be this (untested, not right for keywords, quasiquote): > > #lang racket > (provide (except-out (all-from-out racket) quote #%datum) > (rename-out [-#%datum #%datum] [-quote quote])) > (define-syntax-rule (-#%datum arg) (-quote arg)) > (define-syntax (-quote arg) > (syntax-case arg () > [(_ i) > (and (number? i) (not (inexact? i))) > #'(exact->inexact (quote i))] > [(_ i) (quote i)])) > > Or maybe just a reader change to read all numbers as inexact? > > > > -- > sam th > sa...@ccs.neu.edu > _________________________________________________ For list-related administrative tasks: http://list.cs.brown.edu/mailman/listinfo/plt-dev
