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Re: smooth() bug in (at least) version 8.5.1 [message #93941 is a reply to message #93939]

Fri, 02 December 2016 07:06

wlandsman
Messages: 743
Registered: June 2000

Senior Member

On Friday, December 2, 2016 at 9:03:27 AM UTC-5, Helder wrote:
> Hi,
> I came across this bug and it's a "heavy" one, meaning that IDL crashes and you're thrown back out.
>
> The crashing commands are (try at own risk!):
> sm = smooth(indgen(512,511), 9, /edge_mirror)
> sm = smooth(indgen(512,510), 9, /edge_mirror)
>
> And just to be pedantic, I've tested a few other cases and these did NOT result in a crash:
> sm = smooth(indgen(512,512), 9, /edge_mirror)
> sm = smooth(indgen(511,511), 9, /edge_mirror)
>
> It appears that smooth (stopped?) being able to smooth rectangular arrays.
>
> By running the above from the command line I get the following error (for a couple of seconds on the command line terminal):
> % Array has a corrupted descriptor: <no name>
> % Execution halted at: $Main$
>
> And my IDL version.
> IDL> !version
> {
> "ARCH": "x86_64",
> "OS": "Win32",
> "OS_FAMILY": "Windows",
> "OS_NAME": "Microsoft Windows",
> "RELEASE": "8.5.1",
> "BUILD_DATE": "Nov 14 2015",
> "MEMORY_BITS": 64,
> "FILE_OFFSET_BITS": 64
> }
>
> I others are brave enough, could you let me know if it crashes on other versions of IDL? Edge_mirror and _wrap have been added only in 8.1.
>
> Cheers,
> Helder

It also crashes on my Macbook running 8.5.1 and on my Linux systems running (32 bit) 8.2.2 and (64 bit) 8.5.1. So it looks like a problem in the internal SMOOTH() algorithm. --Wayne

"ARCH": "x86_64",
"OS": "darwin",
"OS_FAMILY": "unix",
"OS_NAME": "Mac OS X",
"RELEASE": "8.5.1",
"BUILD_DATE": "Nov 14 2015",
"MEMORY_BITS": 64,
"FILE_OFFSET_BITS": 64

ARCH STRinG 'x86_64'
OS STRING 'linux'
OS_FAMILY STRING 'unix'
OS_NAME STRING 'linux'
RELEASE STRING '8.5.1'
BUILD_DATE STRING 'Nov 14 2015'
MEMORY_BITS INT 64
FILE_OFFSET_BITS
INT 64

ARCH STRING 'x86'
OS STRING 'linux'
OS_FAMILY STRING 'unix'
OS_NAME STRING 'linux'
RELEASE STRING '8.2.2'
BUILD_DATE STRING 'Jan 23 2013'
MEMORY_BITS INT 32
FILE_OFFSET_BITS
INT 64

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[Message index]

		smooth() bug in (at least) version 8.5.1 By: Helder Marchetto on Fri, 02 December 2016 06:03
		Re: smooth() bug in (at least) version 8.5.1 By: wlandsman on Fri, 02 December 2016 07:06
		Re: smooth() bug in (at least) version 8.5.1 By: Helder Marchetto on Fri, 02 December 2016 07:13
		Re: smooth() bug in (at least) version 8.5.1 By: Burch on Fri, 02 December 2016 10:38
		Re: smooth() bug in (at least) version 8.5.1 By: Burch on Fri, 02 December 2016 10:50
		Re: smooth() bug in (at least) version 8.5.1 By: Helder Marchetto on Fri, 02 December 2016 12:36
		Re: smooth() bug in (at least) version 8.5.1 By: chris_torrence@NOSPAM on Wed, 07 December 2016 12:25

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