Re: [PATCH] Compilation fixes: remove extern template and add declarations.

[Jason Riedy]

And Michael Goffioul writes:
>
> The intent was to declare that there are explicit specializations
> implemented in another file and prevent the compiler to instantiate
> functions for these cases (this lead to symbol multiple definition
> error at link time with MSVC).

Those aren't specializations, they're overrides.  Just use
  extern bool ascending_compare (double, double);
without the template<> here and define the functions elsewhere.
Overrides in the active namespaces are found first, iirc.

> With you patch, what will the compiler do?

With g++ 4.3?  It compiled octave, ran the tests, and let me
poke at the xGELSD problem.  ;)  I didn't look further.

Jason