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Re: Illegal operand error with window,/free [message #90911 is a reply to message #90910] Tue, 12 May 2015 06:47 Go to previous messageGo to previous message
wlandsman is currently offline  wlandsman
Messages: 743
Registered: June 2000
Senior Member
On Tuesday, May 12, 2015 at 9:19:10 AM UTC-4, Jeff B wrote:

>
> FWIW, I tried on my Mac (running Yosemite) and did not get an error.

Thanks. It turns out I get the error the first time I use any command requiring X-windows.

IDL> device,get_screen_size=xx
% Program caused arithmetic error: Floating illegal operand

so there must be something unusual about my X-Windows setup or screen (I use XQuartz 2.7.7 on Yosemite). Anyway it is a minor problem (an error message that appears once) so I will live with it for now.

--Wayne
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