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Re: renaming a variable without making a copy [message #68975 is a reply to message #68935]

Thu, 10 December 2009 08:56

lecacheux.alain
Messages: 325
Registered: January 2008

Senior Member

On 10 déc, 17:30, alx <lecacheux.al...@wanadoo.fr> wrote:
> On 10 déc, 16:36, Reimar Bauer <R.Ba...@fz-juelich.de> wrote:
>
>> alx schrieb:
>
>> IDL> a=findgen(2,2)
>> IDL> b=dblarr(4)
>> IDL> reads,a,b
>> IDL> print,b
>> 0.0000000 1.0000000 2.0000000 3.0000000
>
>> btw. just seen that reads, 1 seems to be valid, but what does it do?
>
>
Unfortunately, that does not work as you said: "reads" (cf. IDL doc)
converts
your 'a' array to an array of strings, then 'read' it to 'b' by using
implicit formatting.
That is actually not a "memory read" and, likely, does not work with
structures.

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[Message index]

		renaming a variable without making a copy By: David Higgins on Tue, 08 December 2009 03:51
		Re: renaming a variable without making a copy By: lecacheux.alain on Thu, 10 December 2009 08:56
		Re: renaming a variable without making a copy By: R.Bauer on Fri, 11 December 2009 03:51
		Re: renaming a variable without making a copy By: lecacheux.alain on Thu, 10 December 2009 08:30
		Re: renaming a variable without making a copy By: R.Bauer on Thu, 10 December 2009 07:36
		Re: renaming a variable without making a copy By: lecacheux.alain on Thu, 10 December 2009 02:31
		Re: renaming a variable without making a copy By: penteado on Fri, 11 December 2009 08:38
		Re: renaming a variable without making a copy By: lecacheux.alain on Fri, 11 December 2009 05:22

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