Re: [boost] quat and oct ported to MSVC6

From: David Abrahams (david.abrahams_at_[hidden])
Date: 2002-05-01 06:05:23

I don't think we have any formal notion of a library maintainer at
Boost. Perhaps we should? Maybe it we should label libraries "stable but
unmaintained" if their maintainers become unresponsive? Maybe
unmaintained libraries should be "up for maintenance grabs" after a
certain amount of time has passed?

Hmm, where have I read these questions before?

-Dave

----- Original Message -----
From: "Fredrik Blomqvist" <f_blq_at_[hidden]>
> Hi,
> I just ported the quaternion and octonion package to
> MSVC (6.0 SP5 + Dinkumware)
> and hopefully some other compilers might benefit
> aswell.
> I put the changes in in the file-section as:
> quat_oct_msvc-port.zip
>
>
> Summary of changes:
>
>
> quaternion.hpp / octonion.hpp:
>
> * changed order of the assignment-operator
> declarations, ie put the template-version
>   _before_ the non-template version to make MSVC
> happy.
>   (I hope this won't break any other compiler,
> otherwise it's easily done with #ifdefs
>    also, but I tried to minimize those)
>
> * replaced use_facet<> with BOOST_USE_FACET
>
> * removed an unneccessary(?) explicit
> function-template instantiation in the exp() func.
>
>
> quaternion_test.cpp:
>
> * #included <boost/limits.hpp>
>
> * added manual abs(float/double) overloads since MSVC
> seem to lack these(!)
>   Q: has the MSVC lack of overloads for abs() been
> properly handled somewhere?
>      I briefly recall this issue to have been
> discussed on boost-dev or lang.c++ but
>      I don't remeber the conclusion.
>
> * added manual using declarations if no
> Koening-lookup.
>
> * lots of namespace tweaks, basically added explicit
> selections instead.
>
>
> octonion_test.cpp:
>
> - since octonion depends on quat a few fixes 'hang
> along', (mainly using:: stuff) ok?
>
> * #included <boost/limits.hpp>
>
> * put enclosing scopes around a couple of for-loops
> (index variable scoping)
>
> * lots of namespace tweaks.
>
>
> sinc.hpp/sinhc.hpp:
>
> * added an #ifdef to allow the non template-template
> versions to be used, this
>   enables quat/oct::exp(), cos(), sin() etc to
> function.
>
>
> All in all, everything except
> sinc_pi/sinhc_pi<quat/oct.> should work on (atleast)
> MSVC6 SP5 + Dinkumware. Regarding sinc_pi<quat/oct> I
> guess a workaround for MSVC and
> other compilers not supporting template-template
> params could simply be do let quat/oct
> supply it's own explicit version. But since this means
> code-duplication (and .hpp file confusion..) I'll let
> Hubert decide on this one.
>
> Hope it helps!
> /Fredrik Blomqvist
>    fredrik_at_[hidden]
>
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