[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
semantics of global variables and exist()
|
From: |
John W. Eaton |
|
Subject: |
semantics of global variables and exist() |
|
Date: |
Wed, 1 Oct 2003 08:28:55 -0500 |
On 1-Oct-2003, Teemu Ikonen <address@hidden> wrote:
| It seems that the semantics of declaring a global variable has changed
| subtly between the CVS version and 2.1.50 (Debian packaged).
|
| With 2.1.50 I get:
|
| octave:1> global testvar
| octave:2> exist("testvar")
| ans = 0
|
| With CVS version (last week):
|
| octave:1> global testvar
| octave:2> exist("testvar")
| ans = 1
|
| I have scripts which depend on this behaviour, so I'd like to know if this
| is a bug or a feature.
It is intentional. For Matlab compatibility, global variables are now
always initialized to an empty matrix.
jwe