[Olena-patches] 3245: Introduce subject_point_impl.

* mln/core/point.hh: All Point proxies will inherit from that class whatever the point type is. Subject_impl<point*> inherits from that class too. --- milena/ChangeLog | 8 ++++++++ milena/mln/core/point.hh | 43 ++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 50 insertions(+), 1 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index cdee4a7..39ac7d6 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,4 +1,12 @@ 2009-02-02 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + + Introduce subject_point_impl. + + * mln/core/point.hh: All Point proxies will inherit from that class + whatever the point type is. Subject_impl<point*> inherits from that + class too. + +2009-02-02 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; Various small fixes. diff --git a/milena/mln/core/point.hh b/milena/mln/core/point.hh index 2d7deee..a661fe5 100644 --- a/milena/mln/core/point.hh +++ b/milena/mln/core/point.hh @@ -33,8 +33,8 @@ /// /// Definition of the generic point class mln::point. - # include <mln/core/def/coord.hh> +# include <mln/core/concept/proxy.hh> # include <mln/core/concept/gpoint.hh> # include <mln/core/internal/coord_impl.hh> # include <mln/fun/i2v/all_to.hh> @@ -202,6 +202,27 @@ namespace mln algebra::vec<G::dim, C> coord_; }; + namespace internal + { + + /// subject_impl specialization (Proxy) + /// \{ + + template <typename P, typename E> + struct subject_point_impl; + + template <typename G, typename C, typename E> + struct subject_point_impl< point<G,C>, E > + { + const typename point<G,C>::vec& to_vec() const; + + private: + const E& exact_() const; + }; + + /// \} + + } // end of namespace mln::internal /// FIXME... @@ -442,6 +463,26 @@ namespace mln return the_; } + namespace internal + { + + template <typename G, typename C, typename E> + inline + const E& + subject_point_impl< point<G,C>, E >::exact_() const + { + return internal::force_exact<const E>(*this); + } + + template <typename G, typename C, typename E> + inline + const typename point<G,C>::vec& + subject_point_impl< point<G,C>, E >::to_vec() const + { + return exact_().get_subject().to_vec(); + } + + } // end of namespace mln::internal template <typename G, typename C> inline -- 1.5.6.5