On some platforms, I think that value goes into a 32-bit float and back. All of the integers up to 1M can be represented by a 32-bit float, and if I'm counting right, 1M is the largest power of 10 with that property.
At Mon, 24 Mar 2014 17:27:06 -0700, John Clements wrote: > Currently, calling ‘init-auto-scrollbars’ with a virtual canvas size larger > than a million signals a contract error: > > ../draw.rkt:231:6: init-auto-scrollbars in canvas%: contract violation > expected: (integer-in 1 1000000) > given: 1638400 > > This arises when scrolling through zoomed-in sounds using ‘rsound’. The limit > of 1M along with the standard sample rate of 44.1KHz means that you can’t > zoom > in to 1 sample per pixel on sounds longer than 22 seconds. > > It seems reasonable to me that there should be some limit, and that I’ll have > to check for it either way, but in this case, it seems like the 1M limit > could > perhaps be raised without ill effect. Maybe 100M? > > Looking at the docs, I see that there’s the notion of a ‘dimension-integer’ > that’s fairly pervasive. In this case, I can see that changing this might > impact the scroll-thumb-size computation, and possibly the “page left/page > right” computation. > > John Clements > ____________________ > Racket Users list: > http://lists.racket-lang.org/users ____________________ Racket Users list: http://lists.racket-lang.org/users
