help-octave
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Distinguishing Octave from Matlab


From: Ben Abbott
Subject: Re: Distinguishing Octave from Matlab
Date: Fri, 15 Feb 2008 12:31:22 -0500


On Feb 15, 2008, at 12:04 PM, David Bateman wrote:

Ben Abbott wrote:

On Feb 15, 2008, at 11:31 AM, David Bateman wrote:

Ben Abbott wrote:

On Feb 15, 2008, at 5:02 AM, David Bateman wrote:

Use Octave 3.0.0 and use the matlab syntax everywhere, in most
cases it
should then just work.. If there are any other differences that
prevent
it working then they should be reported as bugs. A function that does
what you want is

function ret = isoctave ()
persistent isoct
if (isempty (isoct))
  isoct = exist('OCTAVE_VERSION') ~= 0;
end
ret = isoct;
end

Regards
David

Might this be added to the core functions?

Ben

How does that help you if we can't convince mathworks to do the same?

D.

Good point <blushing>

Perhaps an octave version of an existing Matlab function ("ver",
"version", "verLessThan", ?) could do the job?



Under matlab R2007b I see

a = ver('matlab')

a =

      Name: 'MATLAB'
   Version: '7.5'
   Release: '(R2007b)'
      Date: '02-Aug-2007'

a = ver('octave')

a =

0x0 struct array with fields:
   Name
   Version
   Release
   Date

The octave "ver" function doesn't take an argument. To get the
functionality you want this way you could modify Octave's ver so that it assumes the argument is 'octave' if it is missing and then something like

if (strcmpi (pack, "octave"))
 ## Do what is already done, plus set ret if needed
else
 lst = pkg("list");
 ret = [];
 for i = 1 : length (lst)
    if (strcmpi (pack, lst{i}.name))
      ret = struct ("Name", lst{i}.name, "Version", lst{i}.version,
"Release", [], "Date", lst{i}.date);
      break;
    endif
 endfor
 if (isempty (ret))
    ## How do you create an empty structure?
ret = struct ("Name", [], "Version", [], "Release", [], "Date", []);
    ret(1) = [];
  endif
endif

would get the type of behavior you want as long as someone doesn't
create an "octave" toolbox in matlab or a "matlab" package in octave.

D.

That's a good start.

I'm busy for the next several hours, but will look more closely at how Matlab's version works and take a shot at this later today.

Ben


reply via email to

[Prev in Thread] Current Thread [Next in Thread]