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Re: Help with pointers [message #91725 is a reply to message #91724]

Fri, 14 August 2015 09:30

zacharyanorman
Messages: 17
Registered: July 2015

Junior Member

If you just have one index that you are taking the difference of, you need to use parenthesis around the pointer to access that index. Here is an example:

a = findgen(216,216)
b = 1.1*findgen(216,216)
A_ptr = ptr_new(a,/no_copy)
ind = 5
diff = (*A_ptr)[ind]-b[ind]
print, diff

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[Message index]

		Help with pointers By: g.nacarts on Fri, 14 August 2015 07:36
		Re: Help with pointers By: zacharyanorman on Fri, 14 August 2015 08:39
		Re: Help with pointers By: g.nacarts on Fri, 14 August 2015 08:52
		Re: Help with pointers By: zacharyanorman on Fri, 14 August 2015 09:30
		Re: Help with pointers By: g.nacarts on Mon, 17 August 2015 01:44
		Re: Help with pointers By: zacharyanorman on Mon, 17 August 2015 09:13

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