comp.lang.idl-pvwave archive: archive

Home » Public Forums » archive » reverse problem

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: reverse problem [message #46183 is a reply to message #46053]

Fri, 04 November 2005 08:25

Paolo Grigis
Messages: 171
Registered: December 2003

Senior Member

R.G. Stockwell wrote:
> I think I have resolved the issue. I'd guess it is a namespace problem.
> I had a keyword "reverse" as well as the function "reverse()".
> This is using the default compiler options (i.e. I am not setting anything).

Another example which shows how bad it is to have round
parenthesis syntax allowed for both arrays and functions...

one would guess that probably the keyboard of whomever
invented the first version of IDL syntactic rules lacked
the keys for [] ;-)

Ciao,
Paolo

P.S.
print,namespacecrash(array,rev=2) is also quite funny

>
>
> So if you start of a fresh IDL, and type
> IDL> .run namespacecrash
>
> % Compiled module: NAMESPACECRASH.
>
> % Compiled module: $MAIN$.
>
> 0.000000 1.00000 2.00000 3.00000 4.00000
>
> 1 1 1 1 1
>
>
>
>
> Here is the routine:
>
> function namespacecrash,array,reverse = reverse
>
> if keyword_set(reverse) then begin
> array = reverse(array)
> endif
>
> return,array
> end
>
> array = findgen(5)
>
> print,namespacecrash(array)
>
> print,namespacecrash(array,/rev)
> end
>
>
>
> My results are:
> % Compiled module: NAMESPACECRASH.
>
> % Compiled module: $MAIN$.
>
> IDL> .GO
>
> 0.000000 1.00000 2.00000 3.00000 4.00000
>
> 1 1 1 1 1
>
> IDL> help,!version,/st
>
> ** Structure !VERSION, 8 tags, length=76, data length=76:
>
> ARCH STRING 'x86'
>
> OS STRING 'Win32'
>
> OS_FAMILY STRING 'Windows'
>
> OS_NAME STRING 'Microsoft Windows'
>
> RELEASE STRING '6.1.1'
>
> BUILD_DATE STRING 'Oct 11 2004'
>
> MEMORY_BITS INT 32
>
> FILE_OFFSET_BITS
>
> INT 64
>
>

Report message to a moderator

[Message index]

		reverse problem By: news.qwest.net on Thu, 03 November 2005 16:24
		Re: reverse problem By: David Fanning on Fri, 04 November 2005 14:31
		Re: reverse problem By: savoie on Fri, 04 November 2005 14:03
		Re: reverse problem By: news.qwest.net on Fri, 04 November 2005 13:16
		Re: reverse problem By: David Fanning on Fri, 04 November 2005 12:27
		Re: reverse problem By: news.qwest.net on Fri, 04 November 2005 10:42
		Re: reverse problem By: David Fanning on Fri, 04 November 2005 09:22
		Re: reverse problem By: news.qwest.net on Fri, 04 November 2005 09:04
		Re: reverse problem By: MarioIncandenza on Fri, 04 November 2005 08:59
		Re: reverse problem By: Paolo Grigis on Fri, 04 November 2005 08:25
		Re: reverse problem By: liamgumley on Fri, 04 November 2005 07:41
		Re: reverse problem By: news.qwest.net on Fri, 04 November 2005 07:38

Previous Topic:	online help IDL 6.2
Next Topic:	Printinf Latitudes & Longitudes in a MAP using IDL

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Fri Oct 10 15:26:46 PDT 2025

Total time taken to generate the page: 1.19389 seconds