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double-single precision problem????? [message #9426]

Fri, 27 June 1997 00:00

Eugenio Sansosti
Messages: 3
Registered: June 1997

Junior Member

Hi Everybody,

I'm using IDL. Version 4.0.1 (AIX ibmr2).

Try to type

print,double(13.1e0)-13.1e0

you will get

3.8146973e-07......

Is that normal?

Ciao,
Eugenio

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Re: double-single precision problem????? [message #9427 is a reply to message #9426]

Fri, 27 June 1997 00:00

Eugenio Sansosti
Messages: 3
Registered: June 1997

Junior Member

Eugenio Sansosti wrote:

> Hi Everybody,
>
> I'm using IDL. Version 4.0.1 (AIX ibmr2).
>
> Try to type
>
> print,double(13.1e0)-13.1e0
>
> you will get
>
> 3.8146973e-07......
>
> Is that normal?
>
> Ciao,
> Eugenio

I'm sorry, I was wrong.....
the command to type is

print,double(13.1e0)-13.1d0

Thanks
Eugenio,

--
_ _ _ _
| |_| |_ | |_ Eugenio Sansosti
| | \ |_ |_ |_ e-mail: sansosti@irece1.irece.na.cnr.it

Istituto di Ricerca per l'Elettromagnetismo e i Componenti Elettronici
Consiglio Nazionale delle Ricerche (CNR)

IRECE-CNR
via Diocleziano, 328 Tel. +39 81 5707999/5704945
I-80124 Napoli, Italy Fax +39 81 5705734

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