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Re: Problem of precedence with pointer and structure [message #47159 is a reply to message #47158]

Fri, 27 January 2006 08:18

Foldy Lajos
Messages: 268
Registered: October 2001

Senior Member

Hi,

pointer dereference works only on scalar pointers (it can not be
guaranteed that all the pointers point to heap variables of the
same type/structure in a pointer array).

regards,
lajos

On Fri, 27 Jan 2006, L. Testut wrote:

> a=replicate({b:ptr_new(findgen(10)),c:ptr_new(findgen(20))}, 3)
>
> Is it possible to do the same replacement as above ???
>
> IDL> (*a[*].(0))=0.5 ;doesn't work
> % Expression must be a scalar in this context: <POINTER Array[3]>.
> % Execution halted at: $MAIN$ 1
>
> Thanks,
> Laurent
>
>

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[Message index]

		Re: Problem of precedence with pointer and structure By: L. Testut on Fri, 27 January 2006 12:22
		Re: Problem of precedence with pointer and structure By: David Fanning on Fri, 27 January 2006 08:29
		Re: Problem of precedence with pointer and structure By: Foldy Lajos on Fri, 27 January 2006 08:18

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