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Re: DOUBLE precision no precise?? [message #29592]

Tue, 05 March 2002 13:11

Pete[1]
Messages: 7
Registered: April 1999

Junior Member

"Dave Williams" <dave_r_williams@hotmail.com> wrote:
>> Anyways, this is what you want to do (note the "d" at the end
>> of the number).
>> IDL> print,42766.080001d,format='(f24.12)'
>> 42766.080001000002
>
> James, Reimar, Vincent, Martin, Bob: Thanks a million.
>
> Once again, another stupid question asked, another patient answer given!
>
> Much obliged to you all.
>
> Dave

Even if you do use double precision in IDL, you'll probably find that your
pocket calculator is more accurate than your computer. A decent calculator
will use high precision or BCD or something weird like that. It has time
on its side.

Pedantically,
Peter Mason

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[Message index]

		Re: DOUBLE precision no precise?? By: Pete[1] on Tue, 05 March 2002 13:11
		Re: DOUBLE precision no precise?? By: dave_r_williams on Tue, 05 March 2002 09:20
		Re: DOUBLE precision no precise?? By: James Kuyper on Tue, 05 March 2002 08:29
		Re: DOUBLE precision no precise?? By: William Clodius on Tue, 05 March 2002 08:11
		Re: DOUBLE precision no precise?? By: Robert Stockwell on Tue, 05 March 2002 07:32
		Re: DOUBLE precision no precise?? By: Martin Downing on Tue, 05 March 2002 06:30
		Re: DOUBLE precision no precise?? By: Vincent Schut on Tue, 05 March 2002 07:07
		Re: DOUBLE precision no precise?? By: R.Bauer on Tue, 05 March 2002 06:07
		Re: DOUBLE precision no precise?? By: Vincent Schut on Tue, 05 March 2002 05:01
		Re: DOUBLE precision no precise?? By: James Tappin on Tue, 05 March 2002 04:14

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