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Re: ERROR_MOD_NOT_FOUND when using call_external [message #37340 is a reply to message #37322]

Tue, 09 December 2003 08:44

Karl Schultz
Messages: 341
Registered: October 1999

Senior Member

"Brian" <brian.huether@NOdlrSPAM.de> wrote in message
news:e648955426f3d43b5606a3f898bc6d98@news.teranews.com...
> I got the fftw binary from www.fftw.org and am trying to call it from IDL.
I
> have searched the forum and have found little info about this error.
>
> Here is how I am calling it:
>
> array = call_external('fftw3.dll', 'fftw_malloc', 32, /CDECL)
>
> My path is set up so that IDL knows where the dll is. I also get the error
> without /CDECL. I have also tried prepending the function name with an
> undeline as someone in another post that I came across had suggested.
>
> At this point I have no clue what to do. I don't have the means nor the
> skills to recompile dlls such that they work properly with IDL. I am
hoping
> this works out of the box.
>
> Any ideas?

I downloaded the binary DLL file, put it in my bin/bin.x86 directory and the
call_external invocation you listed above works - array gets set to a LONG
value (a pointer, I guess).

So, I'm thinking that the problem lies in telling IDL where the dll is. If
you tell us how you are trying to specify the location of the DLL, maybe we
can help further. Or just drop the DLL into your distribution bin/bin.x86
directory and get on with it if that isn't too distasteful to you

Karl

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[Message index]

		Re: ERROR_MOD_NOT_FOUND when using call_external By: Karl Schultz on Wed, 10 December 2003 08:30
		Re: ERROR_MOD_NOT_FOUND when using call_external By: Brian on Wed, 10 December 2003 01:17
		Re: ERROR_MOD_NOT_FOUND when using call_external By: Brian on Tue, 09 December 2003 22:44
		Re: ERROR_MOD_NOT_FOUND when using call_external By: Karl Schultz on Tue, 09 December 2003 08:44
		Re: ERROR_MOD_NOT_FOUND when using call_external By: Brian on Tue, 09 December 2003 04:23
		Re: ERROR_MOD_NOT_FOUND when using call_external By: Craig Markwardt on Tue, 09 December 2003 01:33

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