You can always map a 2d coordinate intto 1d:
(i, j) -> i * w + j
where w is the width of the matrix

Ian L.

On Thu, Nov 26, 2009 at 3:04 PM, <[email protected]> wrote:

>  As far as I know a GArray grows an array of pointers in 1D not 2D.
> I thought of a GArray myself but my question, although not clear, is
> how can I use a GArray to grow a 2D array of structures ?
> Can you please provide an example ?
>
>
> Thank you in advance,
> Maura
>
> -----Messaggio originale-----
> Da: [email protected] per conto di Tristan Van Berkom
> Inviato: gio 26/11/2009 6.31
> A: [email protected]
> Cc: [email protected]
> Oggetto: Re: dynamically growing 2D aray of structues
>
>
> On Wed, Nov 25, 2009 at 9:17 PM,  <[email protected]> wrote:
> > I dare ask for some guidelines as I am not a programmer and never came
> > across glib before.
> > At the time being I have to embed some code into a package (Galopps: a
> > Genetic Algorithm) which is totally implemented in C language.
> > To be consistent with Galopps style I have to use glib functions.
> > I have just started to use the simplest glib primitives and data types.
> > Now I am stuck with the following problem. I know there are a lot of
> experts
> > out there who can give me a couples of hints.
> > I have to generate a 2D array of structures which grows dynamically in
> both
> > directions.
> > The structure is defined as follows:
> >
> > typedef struct {
> >         gchar *id;
> >         gchar *description;
> >         gchar *sequence;
> >         gint sequence_len;
> >  } fasta_sequence;
> >
>
> Use a GArray:
>    http://library.gnome.org/devel/glib/stable/glib-Arrays.html
>
> Cheers,
>       -Tristan
>
> >
> > Any suggestion is welcome.
> > Thank you in advance,
> > Maura
> >
> >
> >
> >
> > Alice Messenger ;-) chatti anche con gli amici di Windows Live Messenger
> e
> > tutti i telefonini TIM!
> > Vai su
> http://maileservizi.alice.it/alice_messenger/index.html?pmk=footer
> >
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> >
>
>
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