Riccardo GUIDA wrote:
>
> Hi again
>
> In fricasUG I cannot find mention of arbitrary precision numerical
> integration in 1D (NIntegrate in Mathematica.) Is this feature available?
As you noticed in another post romberg routine can do arbitrary precision.
IIRC some time ago on this list there was a first version of Gaussian
quadrature. But ATM nothing "production quality" beyond romberg.
> If not, have you ever thought (or, for lack of energies, at least dreamed) of
> interfacing fricas to some open source arbitrary precision C library, for
> instance Arb [1] which should have a good error control?
>
> Actually I was wondering, does the in-fricas spad compiler support calling
> external C code like does the aldor compiler (see aldorUG [2])?
ATM calling C code is possible, but rather inconvenient (one have
to write wrappers at Lisp level).
--
Waldek Hebisch
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