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Re: idl readf error [message #65218 is a reply to message #65149]

Sat, 14 February 2009 07:08

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Vince Hradil writes:

> Of course that's all relative. If I have to spend 2 days to figure
> out how to read in a file that takes 2 seconds to parse (instead of
> the normal 10 seconds) then I don't think it's worth it. Like wise if
> I read a file 5 seconds faster as part of a 2 hour simulation run, I
> don't think it's worth.
>
> Just sayin'...

I hear you. I use your method most of the time myself,
just for the reason you mention: it takes me about 10 times
as long to get the format statement right. But, my ASCII files
are a couple of hundred lines, not a couple of hundred thousand
lines.

> I guess what I what I really want to know is whether the accuracy (in
> terms of round-off errors, or anything else) is any different in the
> two approaches. I'm guessing not.

I don't think so, either.

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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[Message index]

		idl readf error By: rollo.tomasi on Thu, 12 February 2009 11:50
		Re: idl readf error By: David Fanning on Sat, 14 February 2009 07:08
		Re: idl readf error By: rollo.tomasi on Thu, 19 February 2009 10:17
		Re: idl readf error By: Vince Hradil on Sat, 14 February 2009 07:04
		Re: idl readf error By: David Fanning on Thu, 19 February 2009 11:41

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