At Sun, 26 Dec 2010 10:49:45 -0600, Matthew Flatt wrote: > > - determining whether a floating point number is a double or a single. > > I don't think there's any predicate for that.
flonum? returns true for double-precision floats, and (lambda (x) (and (inexact-real? x) (not (flonum? x)))) returns true for single-precision floats (if Racket was compiled with single-precision float support). Vincent _________________________________________________ For list-related administrative tasks: http://lists.racket-lang.org/listinfo/users
