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Re: Scary bug with array assignment [message #89259 is a reply to message #89258]

Sun, 10 August 2014 12:41

Paddy Leahy
Messages: 7
Registered: August 2013

Junior Member

On Sunday, August 10, 2014 8:25:51 PM UTC+1, Fabien wrote:
> On 10.08.2014 20:57, Paddy Leahy wrote:
>
>> Is there a big hole in my understanding of IDL array assignment, or is this a ghastly bug?
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> The problem is not the assignment, it is the "+="
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> In your example, if you transform:
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> IDL> for jj=0,2 do sum[0,jj] += data[*,jj]
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> into what it really is, i.e:
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> IDL> for jj=0,2 do sum[0,jj] = sum[0,jj] + data[*,jj]
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> it may explain your problem.
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> Cheers,
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> Fabien

aha! That makes sense. Thanks!

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[Message index]

		Scary bug with array assignment By: Paddy Leahy on Sun, 10 August 2014 11:57
		Re: Scary bug with array assignment By: Fabzi on Sun, 10 August 2014 12:25
		Re: Scary bug with array assignment By: Paddy Leahy on Sun, 10 August 2014 12:41

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