On 16.04.23 12:18, Dima Pasechnik wrote:
I generic interface is anyway never needed. I guess also Sage just picks
out a couple of useful features from other systems
no, not really. E.g. with libgap (library interface to GAP) you can really
write anything you can do in GAP in Python syntax in Sage,
the interface is not requiring you to write boilerplate interface code.
OK, maybe I do not know enough of how that works, but we clearly have to
distinguish two types of interfaces.
A) control an external program P by the host program and allow output
from P to be shown in your system
B) same as A) plus allow your system to use the computed values from P
in your system.
Maybe what you describe is interface type (B), but I guess, that still
needs quite some effort to translate the data or at least write some
routines to interpret the ASCII output of P. And what I meant is that in
this part Sage covers only a part of FriCAS.
Just calling P from my system and only showing its output in my system
is not so hard. The problem is to use the data that is computed
externally. I wonder why OpenMath is not yet generally accepted as an
interface communication language.
Ralf
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