Re: [Glsdk-devel] The use of anonymous structures

[H. H. <hen...@gm...>]

That is also what I think too.

On Sun, Aug 24, 2008 at 8:06 PM, Branan Riley <br...@gm...> wrote:

> Sounds good. Having names for the internal types in there makes it
> harder to read, IMHO.
>
> On Sun, Aug 24, 2008 at 9:14 AM, Henri Häkkinen <hen...@gm...>
> wrote:
> > Yes. I hope we have reached a some sort of consensus that struct-unions
> are
> > the way to go. For now, I will define the math types with anonymous
> unions
> > and structures. We can use compiler magic to suppress warnings if need
> be.
> >
> > typedef struct {
> >   union {
> >     GLfloat data[2];
> >     struct {
> >       GLfloat x, y;
> >     };
> >   };
> > } GLMvec2f;
> >
> >
> > On Sun, Aug 24, 2008 at 5:16 PM, Stefanos A. <sta...@gm...>
> wrote:
> >>
> >>
> >> On Sun, Aug 24, 2008 at 6:31 AM, Branan Riley <br...@gm...> wrote:
> >> >         Could be a different version of MSVC giving different
> >> >         warnings.
> >>
> >> Actually no, just stricter warnings (warning level 4, where the default
> >> is 3). GCC doesn't produce any warnings even with -Wall.
> >>
> >> However, please note that the anonymous union is *not* valid C89 (fails
> >> to compile with "gcc -ansi"). I'm not saying this is a problem (//-style
> >> comments aren't valid C89 either), just something to keep in mind and
> >> document.
> >>
> >> // Not valid C89
> >> union
> >> {
> >>    float data[2];
> >>    struct { float x, y; };
> >> };
> >>
> >> /* Valid C89 */
> >> union foo_union
> >> {
> >>    float data[2];
> >>    struct bar_struct { float x, y; } bar;
> >> } foo;
> >>
> >> Anyone knows if these have been standardized in C99?
> >>
> >>
> >>
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> >
> >
> > --
> > Henri 'henux' Häkkinen
> >
> >
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-- 
Henri 'henux' Häkkinen