On Friday 29 August 2008, Jason Grout wrote:
> Martin Albrecht wrote:
> >> For various objects and various software systems (like mathematica,
> >> magma, maxima, etc.), we have a _mathematica_init_, _magma_init_, etc,
> >> which convert an expression into syntax for the target system. A lot of
> >> these are defined in calculus.py for converting symbolic expressions to
> >> syntax for other systems. I don't think we have an "interface" to C
> >> code; can anyone think of a reason why we shouldn't? (or do we already
> >> have one?)
> >
> > One difference is that it is pretty clear what Magma can and cannot do +
> > it can do a lot of mathematics. What would be the capabilities of C? C,
> > stdlib, pari/NTL/BLAS/libSingular?
>
> I'd say that the _c_init_ should just be plain standard C (i.e., it
> should compile with just gcc). This means that lots of functionality
> won't be able to be translated (for example, most stuff over fields or
> groups), but it would be able to translate generic symbolic expressions,
> like originally asked.
isn't fast float doing something very similar, i.e. building up stdlib C tress
for evaluation?
> We could have _c_NTL_init_ or _c_blas_init_, etc., for variants if
> people want. Another thought is to pass options to the systems, like
> _c_init_('blas','NTL','singular').
That looks like an infinite amount of work compared to very little benefit.
Anybody interested in writing code for these libraries, can look at our
sources to see how we link into them. I doubt automatic code generation would
be of much use here.
--
name: Martin Albrecht
_pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99
_www: http://www.informatik.uni-bremen.de/~malb
_jab: [EMAIL PROTECTED]
--
name: Martin Albrecht
_pgp: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0x8EF0DC99
_www: http://www.informatik.uni-bremen.de/~malb
_jab: [EMAIL PROTECTED]
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