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Re: Fixed-Point Arithmetic Project
On Friday 22 September 2006 09:38, Arnaud Charlet wrote:
> > > We are working on a project to add fixed-point arithmetic support to GCC.
> > > A GCC project description page is available here
> > > http://gcc.gnu.org/wiki/FixedPointArithmetic
> > > and we will create a GCC branch in the near future. If you have
> > > any suggestions or comments, please respond.
> >
> > I expect the Ada front-end people will be interested: the Ada language
> > incorporates binary and decimal fixed point types. AFAIK, it is all
> > done using emulation at the moment.
>
> Not sure what you mean by "emulation". The implementation provided in
> GNAT is indeed a full implementation of Ada fixed point semantics.
I mean that no use is made of special hardware support. This is in
analogy to "floating point emulation", for processors with no fp support.
> It can probably be used either as a reference implementation, or as a base for
> comparison (e.g. correctness comparison).
Best wishes,
Duncan.