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Re: variables in common blocks [message #53871 is a reply to message #53866]

Fri, 04 May 2007 08:36

Foldy Lajos
Messages: 268
Registered: October 2001

Senior Member

On Fri, 4 May 2007, Lasse Clausen wrote:

> why are common blocks bad?

They is an area where they are really useful: preserving the state of a
user routine (like static local variables in C/C++):

pro mypro
common mypro_state, a, b, c

if size(a, /type) eq 0 then begin
; first call, initialize
endif

...

end

regards,
lajos

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[Message index]

		Re: variables in common blocks By: David Fanning on Fri, 04 May 2007 09:48
		Re: variables in common blocks By: Christopher Thom on Fri, 04 May 2007 09:40
		Re: variables in common blocks By: David Fanning on Fri, 04 May 2007 09:03
		Re: variables in common blocks By: lasse on Fri, 04 May 2007 08:56
		Re: variables in common blocks By: Foldy Lajos on Fri, 04 May 2007 08:36
		Re: variables in common blocks By: David Fanning on Fri, 04 May 2007 08:16
		Re: variables in common blocks By: Maarten[1] on Fri, 04 May 2007 08:07
		Re: variables in common blocks By: lasse on Fri, 04 May 2007 07:42
		Re: variables in common blocks By: David Fanning on Fri, 04 May 2007 07:11
		Re: variables in common blocks By: lasse on Fri, 04 May 2007 07:06
		Re: variables in common blocks By: David Fanning on Fri, 04 May 2007 06:45

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