[racket-dev] plot doesn't plot (inexact->exact: no exact representation for +nan.0)

I loaded the latest nightly build (version 5.2.0.4--2011-11-27(462a348/a)
[3m]) on my Scientific Linux 6.0 machine (also 64-bit) and it runs fine
with or without the commented lines there, too.

2011/12/6 Doug Williams <m.douglas.williams at gmail.com>

> It runs fine for me on Racket Version 5.2 [3m], 64-bit, under Windows 7,
> with or without the commented lines. I can try on my work machine using the
> nightly build in the morning. But I work the plot package pretty heavily
> there (using a recent nightly build) with no problems.
>
>
> On Tue, Dec 6, 2011 at 3:13 AM, Marijn <hkBst at gentoo.org> wrote:
>
>> -----BEGIN PGP SIGNED MESSAGE-----
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>> So I just wanted to repost this to dev for the record.
>>
>> The program:
>>
>> ;== start
>> #lang racket
>>
>> (require plot)
>>
>> ;(plot3d-diffuse-light? #f)
>> ;(plot3d-specular-light? #f)
>>
>> (plot3d (list (surface3d (λ (x y) (+ (sqr x) (sqr y))) -1 1 -1 1
>>                           #:label "z = x^2 + y^2")
>>                (surface3d (λ (x y) (- (+ (sqr x) (sqr y)))) -1 1 -1 1
>>                           #:color 4 #:line-color 4
>>                           #:label "z = -x^2 - y^2")))
>> ;== end
>>
>> produces:
>>
>> inexact->exact: no exact representation for +nan.0
>>
>> but when the commented lines are uncommented it does plot. The plot
>> looks plausible, though apparently it should be possible to drag
>> inside the plot area to change the view. This is not possible for me;
>> the view is stuck from looking along the xy-plane onto the z-axis.
>>
>> Matthew has been trying to determine the cause via private email.
>> Matthew, has any of the data I provided so far pointed you anywhere?
>> Otherwise is there something else I can do to help debug?
>>
>> Marijn
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>>
>> iEYEARECAAYFAk7d6uIACgkQp/VmCx0OL2yVAQCdEaRC6AuBfrbUtFBXDJF4uBVh
>> lJYAoIfI1nkHSURKjhdNeN4qX13I2vnm
>> =NTTc
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