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Re: IDL and 64bit Linux [message #40650 is a reply to message #40551]

Thu, 19 August 2004 12:05

JD Smith
Messages: 850
Registered: December 1999

Senior Member

On Thu, 19 Aug 2004 13:29:19 -0500, Kenneth Bowman wrote:

> In article <pan.2004.08.19.17.02.12.496874@as.arizona.edu>,
> JD Smith <jdsmith@as.arizona.edu> wrote:
>
>> I've heard lots of rumbling about getting a 64bit IDL for linux, which
>> could address some rather large chunks of memory, and perform long64
>> integer arithmetic at healthy speeds. Anyone have use for fast 64bit
>> integer arithmetic? Do 64-bit doubles ("double doubles") have any
>> appeal to anyone?
>
> What I really want is 1) large files and 2) large memory address space.
> 64-bit floats are generally fine for my needs. Of course, efficient
> 64-bit integer arithmetic would be needed for address and index
> calculations.

By 64bit double, I mean 64bit floats (some call them quadruples). Is
anyone using 64bit integer or floating-point arithmetic directly? IDL
currently has no "quadruple" support, as far as I can tell.

JD

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[Message index]

		Re: IDL and 64bit Linux By: K. Bowman on Thu, 19 August 2004 11:29
		Re: IDL and 64bit Linux By: JD Smith on Thu, 19 August 2004 10:02
		Re: IDL and 64bit Linux By: Nigel Wade on Wed, 01 September 2004 01:33
		Re: IDL and 64bit Linux By: Rick Towler on Tue, 07 September 2004 17:08
		Re: IDL and 64bit Linux By: JD Smith on Thu, 19 August 2004 12:05

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