Re: [Vala] Extended floating types

[Ben Iofel <iofelben gmail com>]

error: structs cannot be empty: float128_t

On Tue, May 24, 2016 at 11:16 AM Al Thomas <astavale yahoo co uk> wrote:

> ------------------------------
> *From:* ben <iofelben gmail com>
> *Sent:* Tuesday, 24 May 2016, 16:01
> *Subject:* Re: [Vala] Extended floating types
>
>
> This does not work. The C code has: typedef float float128_t;
>
> Try:
>
> [SimpleType]
> [CCode(has_type_id = false, default_value = "0")]
> public struct float128_t {}
>
> The SimplyType makes it be passed by value rather than by reference when
> used
> as an argument in a function call.
> I think the FloatingType, IntegerType, etc. does casting. As there is no
> rank 12 it just casts to the default, i.e. float.
>
> On the subject of binding exotic types. Bindings for C decimal types
> would be useful for financial data and transactions.
>
>
> On Mon, 2016-05-23 at 21:26 -0500, Guillaume Poirier-Morency wrote:
> > It's possible to declare these types if you need to use them.
> >
> > https://wiki.gnome.org/Projects/Vala/Manual/Attributes#FloatingType_A
> > tt
> > ribute
> >
> >     [CCode (has_type_id = false)]
> >     [FloatingType (decimal = false, rank = 12, width = 128]
> >     struct float128_t {}