Re: [Vala] Extended floating types

["Vitaly V. Ch" <vitaly v ch chernookiy com>]

It will be good if I create a tiket in Bugzilla?

With best regards,

Vitaly

On Tue, May 24, 2016 at 1:04 PM, Daniel Espinosa <esodan gmail com> wrote:

> May we need to file a bug report against this issue, in order to help
> others to use Vala in different applications when needed.
> El may. 23, 2016 9:27 PM, "Guillaume Poirier-Morency" <
> guillaumepoiriermorency gmail com> escribió:
>
> > It's possible to declare these types if you need to use them.
> >
> > https://wiki.gnome.org/Projects/Vala/Manual/Attributes#FloatingType_Att
> > ribute
> >
> >     [CCode (has_type_id = false)]
> >     [FloatingType (decimal = false, rank = 12, width = 128]
> >     struct float128_t {}
> >
> > Like Daniel said, Vala primitive types are mapped to GLib's type with
> > the GType system, so it's not really the language's fault if there is
> > no support for 128 bit floating points. It's not a common use case
> > either way.
> >
> > With 'has_type_id = false', the compiler knows that there's no type
> > information to retreive.
> >
> > Rank 12 does not really exist, but that would be the appropriate value
> > since 10 and 11 are for signed and unsigned 64 bit types.
> >
> > It might be handy to have a VAPI for that in 'vala-extra-vapis'.
> >
> > Cheers and best luck,
> >
> > Le lundi 23 mai 2016 à 09:59 +0300, Vitaly V. Ch a écrit :
> > > Ok, Thanks.
> > >
> > > It clarifies the situation.
> > >
> > > With best regards,
> > >
> > > Vitaly Chernooky
> > >
> > > On Mon, May 23, 2016 at 4:51 AM, Daniel Espinosa <esodan gmail com>
> > > wrote:
> > >
> > > > May you should be able to create your own basic type.
> > > >
> > > > May should be a guide to do so.
> > > >
> > > > GLib should have this types too, before you are able to create your
> > > > basic
> > > > types. This means you should define a GType for a basic type, in
> > > > this case
> > > > your long double.
> > > >
> > > > May we can create a library to define this math basic types, to be
> > > > used in
> > > > other libraries. This is not a GLib interest, I think, because is
> > > > not a
> > > > primary Math library.
> > > >
> > > > I was working a little in that, but may you should ask to gtk-list
> > > > for
> > > > help on defining this new types.
> > > >
> > > > In other ideas, is required to use that types or is possible to use
> > > > some
> > > > structs holding your information in a way to be used in other
> > > > methods, that
> > > > may take that structs an do calculations using that types
> > > > internally,
> > > > written in C with Vala bindings [1], then return again that
> > > > structs.
> > > >
> > > > [] See git.gnome.org/browse/gxml it uses simple C methods and Vala
> > > > bindings to be used in Vala code for xlibxml
> > > > El may. 22, 2016 3:23 PM, "Vitaly V. Ch" <vitaly v ch gmail com>
> > > > escribió:
> > > >
> > > > Hi All!
> > > >
> > > > Some time ago Vala has pulled my attention as a way to solve some
> > > > kind of
> > > > math problems. But some time later I realized that this cozy and
> > > > beautiful
> > > > staff does not have extended floating datatypes such as long double
> > > > or
> > > > float128_t. This fact disappointed me and I'm interested in some
> > > > comments.
> > > >
> > > > With best regards,
> > > >
> > > > Vitaly Chernooky
> > > > _______________________________________________
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> > --
> > Guillaume Poirier-Morency <guillaumepoiriermorency gmail com>
> >
> > Étudiant au baccalauréat en Informatique à l'Université de Montréal
> > Développeur d'application web
> >
> > Mon blog: https://arteymix.github.io/
> > Mon projet de coopérative: https://pittoresque.github.io/
> > Clé PGP: B1AD6EA5
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-- 
\\wbr Vitaly