[Interest] Byte Swapping float and double

[Ilya Diallo]

Casting to qint32/qin64 (twice for 128 bits floats) and then using qToBigEndian
?

2013/9/7 Michael Jackson <imikejackson at gmail.com>

> I'll plat the naive one here. What is the proper Qt API to byte swap a
> float or double? create a union? or some other such trick like that?
>
> Thanks
> Mike Jackson
>
> On Sep 7, 2013, at 2:29 PM, Etienne Sandré-Chardonnal <
> etienne.sandre at m4x.org> wrote:
>
> > To be a little be more verbose, here is what the doc says for these
> functions:
> >
> > Note: Template type T can either be a qint16, qint32 or qint64. Other
> types of integers, e.g., qlong, are not applicable.
> >
> >
> > 2013/9/7 Thiago Macieira <thiago.macieira at intel.com>
> > On sábado, 7 de setembro de 2013 12:24:26, Michael Jackson wrote:
> > > I have some code that needs to convert from the system to Big Endian
> byte
> > > order. All my integers work just fine but I am getting linker errors
> when
> > > trying to byte swap floats and doubles.
> > >
> > > I have #include <QtCore/QtEndian>
> > >
> > > and I have a templates function like this:
> > >
> > > template<typename T>
> > > void foo(T value)
> > > {
> > >   value = qToBigEndian(value);
> > >    .. does something with that data.
> > > }
> > >
> >
> > > What am I missing?
> >
> > Nothing. Those functions don't exist.
> >
> > --
> > Thiago Macieira - thiago.macieira (AT) intel.com
> >   Software Architect - Intel Open Source Technology Center
> >
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