On Tue, Dec 18, 2012 at 12:22 AM, Neil Toronto <neil.toro...@gmail.com>wrote:
> On 12/17/2012 05:48 PM, Robby Findler wrote: > >> I'm not sure about this change. If I pass in a buggy function, I'm not >> sure I'd want the errors to get swallowed. >> > > The errors are almost always division by zero or some similar mathematical > domain error, because plotted functions get sent exact rational numbers. > Also, it's usually obvious on the plot where there's an error. In 3D and > contour plots in particular, the holes are gaping. > > You could catch only exn:fail:contract:divide-by-zero<file:///Users/robby/git/exp/plt/doc/reference/exns.html?q=exn%3A#(def._((lib._racket/private/base..rkt)._exn~3afail~3acontract~3adivide-by-zero))> by default if that gets most of them? > > How about making the plot but putting a red thing on it (and maybe >> showing the error text on mouseover)? >> > > That's not a bad idea. I'll think about how to implement it. > > Neil ⊥ > >
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