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Re: C++ in IDL [message #44296 is a reply to message #44202]

Wed, 01 June 2005 05:33

Tim-Oliver Husser
Messages: 2
Registered: May 2005

Junior Member

Rick Towler wrote:
>> I assume, that the code would be much faster in C/C++,
>> wouldn't it?
>
>
> It depends, but most likely yes. I would write a dlm, not use call
> external.

I've just converted the fitness function to C and it was faster than the
IDL version about the factor 100. I think IDL hasn't really been
designed for number crunching... ;)

> Sure. I wasn't sure I could write a C++ dlm so I wrote a simple test
> program, got that to work, and went from there. I can't comment on your
> linux particulars, but I can offer up this simple example which may or
> may not be of help. At any rate, this can be done so push on. The
> example files:
>
> http://www.acoustics.washington.edu/~towler/programs/Mgc_vec tor.zip

Thanks, I'll have a look at it.

> Also, since I wrote this Ronn Kling has updated his book "Calling C from
> IDL" to include a chapter on calling C++. I would highly recommend
> picking this book up from his website http://www.kilvarock.com.

Hmm, looks nice, I hope my boss will buy this for me... ;)

Tim-Oliver

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[Message index]

		C++ in IDL By: chrisduckworth on Thu, 21 February 2002 17:25
		Re: C++ in IDL By: Rick Towler on Tue, 31 May 2005 09:35
		Re: C++ in IDL By: Tim-Oliver Husser on Wed, 01 June 2005 05:33
		Re: C++ in IDL By: Antonio Santiago on Mon, 30 May 2005 23:37
		Re: C++ in IDL By: Rick Towler on Thu, 02 June 2005 09:32
		Re: C++ in IDL By: R.G. Stockwell on Wed, 01 June 2005 15:42
		Re: C++ in IDL By: JD Smith on Wed, 01 June 2005 10:00
		Re: C++ in IDL By: David Fanning on Wed, 01 June 2005 09:10
		Re: C++ in IDL By: Michael Wallace on Wed, 01 June 2005 08:31

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