[Numpy-discussion] Does float16 exist?

Charles R Harris charlesr.harris@gmail....
Wed Jan 9 05:00:56 CST 2008


On Jan 8, 2008 11:26 PM, David Cournapeau <david@ar.media.kyoto-u.ac.jp>
wrote:

> Charles R Harris wrote:
> >
> >
>
<snip>

>
> > The C++ name mangling can be worked around.
> name mangling is just the top of the iceberg. There are problems wrt to
> static initialization, exception, etc...; ABI compatibility is much
> easier to break in C++ than in C. And then, there is the problem of C++
> ability of compilers.


One would naturally have to be very careful about which features to use. In
particular, don't use anything that throws, and I suppose one would want to
avoid having to link to the stdc++ library also. I don't know if that is
possible.

<snip>

> I agree on this point (custom code generators use). Note that there are
> standard tools to generate simple templates in C (autogen).


Unfortunately, autogen is GPL and I suspect NumPy would be regarded as a
derived work. Are you familiar with any other standard, maintained program
of that sort with a BSD style license?


> If what you want to do is to be able to use simple templates (by simple,
> I mean template function parametrized with the numerical type), C++ is
> overkill IMHO.
>

Chuck
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