[Olena-patches] 2990: Add mirror function.

https://svn.lrde.epita.fr/svn/oln/trunk/milena Index: ChangeLog from Ugo Jardonnet &lt;ugo.jardonnet(a)lrde.epita.fr&gt; Add mirror function. * mln/fun/p2p: Add p2p function. * mln/fun/p2p/mirror.hh: Revert first dim. * mln/accu/maj_h.hh: default value. accu/maj_h.hh | 2 + fun/p2p/mirror.hh | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 86 insertions(+) Index: mln/accu/maj_h.hh --- mln/accu/maj_h.hh (revision 2989) +++ mln/accu/maj_h.hh (working copy) @@ -118,6 +118,8 @@ { init(); valid_ = true; + //FIXME: Not generic + t_ = literal::zero; } template <typename T> Index: mln/fun/p2p/mirror.hh --- mln/fun/p2p/mirror.hh (revision 0) +++ mln/fun/p2p/mirror.hh (revision 0) @@ -0,0 +1,84 @@ +// Copyright (C) 2008 EPITA Research and Development Laboratory +// +// This file is part of the Olena Library. This library is free +// software; you can redistribute it and/or modify it under the terms +// of the GNU General Public License version 2 as published by the +// Free Software Foundation. +// +// This library is distributed in the hope that it will be useful, +// but WITHOUT ANY WARRANTY; without even the implied warranty of +// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +// General Public License for more details. +// +// You should have received a copy of the GNU General Public License +// along with this library; see the file COPYING. If not, write to +// the Free Software Foundation, 51 Franklin Street, Fifth Floor, +// Boston, MA 02111-1307, USA. +// +// As a special exception, you may use this file as part of a free +// software library without restriction. Specifically, if other files +// instantiate templates or use macros or inline functions from this +// file, or you compile this file and link it with other files to +// produce an executable, this file does not by itself cause the +// resulting executable to be covered by the GNU General Public +// License. This exception does not however invalidate any other +// reasons why the executable file might be covered by the GNU General +// Public License. + +#ifndef MLN_FUN_P2P_MIRROR_HH +# define MLN_FUN_P2P_MIRROR_HH + +namespace mln +{ + + namespace fun + { + + namespace p2p + { + + template <typename B> + struct mirror : public Function_p2p< mirror<B> > + { + typedef mln_psite(B) result; + + mirror(const B& box); + + mln_psite(B) + operator()(const mln_psite(B)&) const; + + const B& box_; + }; + +# ifndef MLN_INCLUDE_ONLY + + template <typename B> + inline + mirror<B>::mirror(const B& box) + : box_(box) + { + } + + template <typename B> + inline + mln_psite(B) + mirror<B>::operator()(const mln_psite(B)& p) const + { + mln_precondition(box_.has(p)); + + mln_psite(B) r(p); + r[0] = box_.max()[0] - p[0]; + + return r; + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::fun::p2p + + } // end of namespace mln::fun + +} // end of namespace mln + +#endif /* MLN_FUN_P2P_MIRROR_HH */ +