URL: https://svn.lrde.epita.fr/svn/oln/trunk/milena ChangeLog: 2007-10-09 Simon Nivault &lt;simon.nivault(a)lrde.epita.fr&gt; Add composed transformation. (Does not work !). * mln/fun/x2x/bijective_tr.hh: Bijective transformation. * mln/fun/x2x/composed.hh: Composed tranformation. * mln/fun/x2x/rotation.hh: Update. * mln/fun/x2x/translation.hh: Update. --- bijective_tr.hh | 68 +++++++++++++++++++++++ composed.hh | 161 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ rotation.hh | 4 - translation.hh | 4 - 4 files changed, 233 insertions(+), 4 deletions(-) Index: trunk/milena/mln/fun/x2x/composed.hh =================================================================== --- trunk/milena/mln/fun/x2x/composed.hh (revision 0) +++ trunk/milena/mln/fun/x2x/composed.hh (revision 1284) @@ -0,0 +1,161 @@ +// Copyright (C) 2007 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_X2X_COMPOSED_HH +# define MLN_FUN_X2X_COMPOSED_HH + +/*! \file mln/fun/x2x/composed.hh + * + * \brief FIXME. + */ + +# include <mln/core/concept/function.hh> +# include <mln/metal/vec.hh> +# include <mln/metal/mat.hh> + + +namespace mln +{ + + namespace fun + { + + namespace x2x + { + + // Fwd decl. + template <typename L, typename M> + struct composed; + + namespace internal + { + + template <unsigned n, typename L, unsigned m, typename M, typename E> + struct helper_; + + template <unsigned n, typename L, typename M, typename E> + struct helper_<n, Function_x2x<L>, n, Function_x2x<M> > : Function_x2x<E> + { + enum {dim = n}; + }; + + template <unsigned n, typename L, typename M, typename E> + struct helper_<n, bijective_tr<L>, n, bijective_tr<M> > : bijective_tr<E> + { + enum {dim = n}; + typedef composed<M::invert,L::invert> invert; + + invert inv() const; + }; + } + + // FIXME: Doc! + + template <typename L, typename M> + struct composed : public internal::helper_< L::dim, L, M::dim, M, composed<L,M> > + { + + typedef internal::helper_< L::dim, L, M::dim, M, composed<L,M> > Super + + enum {dim = Super::dim}; + + typedef metal::vec<n,C> result; + + composed(); + composed(const L& tr_l, const M& tr_m); + + result operator()(const metal::vec<n,C>& v) const; + + void set_first(const L& tr_l); + void set_second(const M& tr_m); + + protected: + + L tr1_; + M tr2_; + metal::mat<n + 1,n + 1,C> m_; + }; + + +# ifndef MLN_INCLUDE_ONLY + + template <typename L, typename M> + composed<L,M>::composed() + { + t_ = make::vec<n,C>(0); + m_ = metal::mat<n+1,n+1,C>::Id; + } + + template <typename L, typename M> + composed<L,M>::composed(const L& tr_l, const M& tr_m) + :tr1_(tr_l), + tr2_(tr_m) + { + m_ = metal::mat<n+1,n+1,C>::Id; + m_ = tr1_ * tr2_; + } + + template <typename L, typename M> + composed<L,M>::result + composed<L,M>::operator()(const metal::vec<n,C>& v) const + { + return m_(v); + } + + template <typename L, typename M> + composed<L,M>::invert + composed<L,M>::inv() const + { + typename composed::invert res(tr2_.inv(), tr1_.inv()); + + return res; + } + + template <typename L, typename M> + void + composed<L,M>::set_first(const L& tr_l) + { + tr1_ = tr_l; + } + + template <typename L, typename M> + void + composed<L,M>::set_second(const M& tr_m) + { + tr2_ = tr_m; + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::fun::x2x + + } // end of namespace mln::fun + +} // end of namespace mln + + +#endif // ! MLN_FUN_X2X_COMPOSED_HH Index: trunk/milena/mln/fun/x2x/bijective_tr.hh =================================================================== --- trunk/milena/mln/fun/x2x/bijective_tr.hh (revision 0) +++ trunk/milena/mln/fun/x2x/bijective_tr.hh (revision 1284) @@ -0,0 +1,68 @@ +// Copyright (C) 2007 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_X2X_BIJECTIVE_TR_HH +# define MLN_FUN_X2X_BIJECTIVE_TR_HH + +/*! \file mln/fun/x2x/bijective_tr.hh + * + * \brief FIXME. + */ + +# include <mln/core/concept/function.hh> +# include <mln/metal/vec.hh> +# include <mln/metal/mat.hh> + + +namespace mln +{ + + namespace fun + { + + namespace x2x + { + + // FIXME: Doc! + + template <typename E> + struct bijective_tr : public Function_x2x< E > + { + typedef E::result result; + typedef E::invert invert; + + invert inv() const; + }; + + } // end of namespace mln::fun::x2x + + } // end of namespace mln::fun + +} // end of namespace mln + + +#endif // ! MLN_FUN_X2X_BIJECTIVE_TR_HH Index: trunk/milena/mln/fun/x2x/translation.hh =================================================================== --- trunk/milena/mln/fun/x2x/translation.hh (revision 1283) +++ trunk/milena/mln/fun/x2x/translation.hh (revision 1284) @@ -33,7 +33,7 @@ * \brief FIXME. */ -# include <mln/core/concept/function.hh> +# include <mln/fun/x2x/bijective_tr.hh> # include <mln/metal/vec.hh> # include <mln/metal/mat.hh> @@ -50,7 +50,7 @@ // FIXME: Doc! template <unsigned n, typename C> - struct translation : public Function_x2x< translation<n,C> > + struct translation : public bijective_tr< translation<n,C> > { enum {dim = n}; Index: trunk/milena/mln/fun/x2x/rotation.hh =================================================================== --- trunk/milena/mln/fun/x2x/rotation.hh (revision 1283) +++ trunk/milena/mln/fun/x2x/rotation.hh (revision 1284) @@ -33,7 +33,7 @@ * \brief FIXME. */ -# include <mln/core/concept/function.hh> +# include <mln/fun/x2x/bijective_tr.hh> # include <mln/metal/vec.hh> # include <mln/metal/mat.hh> # include <cmath> @@ -51,7 +51,7 @@ // FIXME: Doc! template <unsigned n, typename C> - struct rotation : public Function_x2x< rotation<n,C> > + struct rotation : public bijective_tr< rotation<n,C> > { enum {dim = n};