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Re: Modifying an array while conserving memory [message #30953 is a reply to message #30878]

Fri, 24 May 2002 10:06

Xiangyun Qiu
Messages: 6
Registered: November 2001

Junior Member

I was hoping this would only use memory size of about size(a) +
2*size(b) during
operation; when it's done, only size(a) + size(b). If the conccatination
causes the
problem, I currently have no solution to this.
Thanks,

Xiangyun

"Pavel A. Romashkin" wrote:
>
> I don't think this takes care of it. Temporary does not work like this.
> It is useful for modifying memory contents in place, but not for
> concatinating memory allocations together.
> Pavel
>
> Xiangyun Qiu wrote:
>>
>> Randall Skelton wrote:
>> Hi there,
>>
>> Provided TEMPORARY() function works as we expect, I think the following
>> steps can
>> use less memory:
>>
>> a = findgen(1000)
>> b = randomu(seed,100)
>> a = shift(TEMPORARY(a), 500)
>> c = [TEMPORARY(b),TEMPORARY(a)]
>> c = Shift(TEMPORARY(c), 500) ; here happens to be 500 too, because
>> 500 = 1000 - 500
>>
>> This solely rely on TEMPORARY function, live or die with it.

--
Xiangyun

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[Message index]

		Modifying an array while conserving memory By: Randall Skelton on Thu, 23 May 2002 17:12
		Re: Modifying an array while conserving memory By: Xiangyun Qiu on Fri, 24 May 2002 10:06
		Re: Modifying an array while conserving memory By: Pavel A. Romashkin on Fri, 24 May 2002 09:11
		Re: Modifying an array while conserving memory By: Randall Skelton on Fri, 24 May 2002 08:43
		Re: Modifying an array while conserving memory By: Xiangyun Qiu on Fri, 24 May 2002 08:38
		Re: Modifying an array while conserving memory By: Randall Skelton on Fri, 24 May 2002 06:20

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