Re: writing classes in octave

[Paul Kienzle]

On Jul 23, 2004, at 4:20 AM, David Bateman wrote:

> According to Ganesh Bikshandi <address@hidden> (on 07/23/04):
> > Hi,
> >
> > I have two questions:
> >
> > Is there a way to write classes in Octave,
>
> Yes, and
>
> > like that in Matlab (using
> > @classname as a directory) ?
>
> No.... There is no way in octave at the moment to do the overloading
> necessary to create custom types from a dot-m file. There is no
> subsref, subsasgn, etc function to perform this.
>
> However, if you are really motivated it is possible to create a class
> for octave as an oct-file. There are several examples of this within 
> the
> octave-forge directories. There are complex classes for sparse, Galois
> field and fixed point types in the directories main/sparse, main/comm
> and main/fixed respectively. However if you want to learn how to create
> your class the easiest example to look at is probably the one in
> extra/linear-algebra/ov-re-tri.cc for upper/lower triangular matrices.
> Note that only assignment and transpose/hermitian are defined on this
> class, you'll have to check the other directories above if you want
> to do something more complex.

And if you are even more motivated, you can write a new class as
an oct-file which allows you to write classes as m-files.  It won't be
a lot more work than writing a class.

Paul Kienzle
address@hidden



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