* mln/world/k2/is_non_primary_2_face.hh, * mln/world/k2/is_primary_2_face.hh: Make use of kn version. * mln/world/kn/is_non_primary_2_face.hh, * mln/world/kn/is_primary_2_face.hh: New. --- milena/ChangeLog | 10 ++++ milena/mln/world/k2/is_non_primary_2_face.hh | 4 +- milena/mln/world/k2/is_primary_2_face.hh | 7 ++- .../mln/world/{k2 => kn}/is_non_primary_2_face.hh | 38 ++++++++++---- milena/mln/world/{k2 => kn}/is_primary_2_face.hh | 51 +++++++++++++------ 5 files changed, 78 insertions(+), 32 deletions(-) copy milena/mln/world/{k2 => kn}/is_non_primary_2_face.hh (65%) copy milena/mln/world/{k2 => kn}/is_primary_2_face.hh (56%) diff --git a/milena/ChangeLog b/milena/ChangeLog index 5d5f642..84feb27 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,15 @@ 2012-10-29 Guillaume Lazzara <z@lrde.epita.fr> + Add kn::is_primary_2_face and kn::is_not_primary_2_face. + + * mln/world/k2/is_non_primary_2_face.hh, + * mln/world/k2/is_primary_2_face.hh: Make use of kn version. + + * mln/world/kn/is_non_primary_2_face.hh, + * mln/world/kn/is_primary_2_face.hh: New. + +2012-10-29 Guillaume Lazzara <z@lrde.epita.fr> + Move kn::internal::face_dim to kn. * mln/world/kn/internal/face_dim.hh: Move... diff --git a/milena/mln/world/k2/is_non_primary_2_face.hh b/milena/mln/world/k2/is_non_primary_2_face.hh index d4d7944..038b62f 100644 --- a/milena/mln/world/k2/is_non_primary_2_face.hh +++ b/milena/mln/world/k2/is_non_primary_2_face.hh @@ -32,7 +32,7 @@ # include <mln/core/alias/point2d.hh> # include <mln/world/kn/is_2_face.hh> -# include <mln/world/k2/is_primary_2_face.hh> +# include <mln/world/kn/is_primary_2_face.hh> namespace mln @@ -68,7 +68,7 @@ namespace mln bool is_non_primary_2_face(const mln::def::coord& row, const mln::def::coord& col) { - return kn::is_2_face(row, col) && !is_primary_2_face(row, col); + return kn::is_2_face(row, col) && !kn::is_primary_2_face<2>(row, col); } diff --git a/milena/mln/world/k2/is_primary_2_face.hh b/milena/mln/world/k2/is_primary_2_face.hh index 442a8f5..48e842f 100644 --- a/milena/mln/world/k2/is_primary_2_face.hh +++ b/milena/mln/world/k2/is_primary_2_face.hh @@ -31,6 +31,7 @@ # define MLN_WORLD_K2_IS_PRIMARY_2_FACE_HH # include <mln/core/alias/point2d.hh> +# include <mln/world/kn/is_primary_2_face.hh> namespace mln @@ -48,7 +49,7 @@ namespace mln /// \overload bool is_primary_2_face(const mln::def::coord& row, - const mln::def::coord& col); + const mln::def::coord& col); # ifndef MLN_INCLUDE_ONLY @@ -64,9 +65,9 @@ namespace mln inline bool is_primary_2_face(const mln::def::coord& row, - const mln::def::coord& col) + const mln::def::coord& col) { - return row % 4 == 0 && col % 4 == 0; + return kn::is_primary_2_face<2>(row, col); } diff --git a/milena/mln/world/k2/is_non_primary_2_face.hh b/milena/mln/world/kn/is_non_primary_2_face.hh similarity index 65% copy from milena/mln/world/k2/is_non_primary_2_face.hh copy to milena/mln/world/kn/is_non_primary_2_face.hh index d4d7944..3a9d5f7 100644 --- a/milena/mln/world/k2/is_non_primary_2_face.hh +++ b/milena/mln/world/kn/is_non_primary_2_face.hh @@ -27,12 +27,12 @@ /// /// \brief Check if site is a non-primary face. -#ifndef MLN_WORLD_K2_IS_NON_PRIMARY_2_FACE_HH -# define MLN_WORLD_K2_IS_NON_PRIMARY_2_FACE_HH +#ifndef MLN_WORLD_KN_IS_NON_PRIMARY_2_FACE_HH +# define MLN_WORLD_KN_IS_NON_PRIMARY_2_FACE_HH # include <mln/core/alias/point2d.hh> # include <mln/world/kn/is_2_face.hh> -# include <mln/world/k2/is_primary_2_face.hh> +# include <mln/world/kn/is_primary_2_face.hh> namespace mln @@ -41,17 +41,24 @@ namespace mln namespace world { - namespace k2 + namespace kn { /// \brief Check if site is a non-primary face - bool is_non_primary_2_face(const point2d& p); + bool is_non_primary_2_face(const point2d& p, unsigned n); /// \overload bool is_non_primary_2_face(const mln::def::coord& row, - const mln::def::coord& col); + const mln::def::coord& col, + unsigned n); + /// \overload + /// Static version. \tparam n is a template parameter which + /// allows some computation to be performed at compile time. + template <unsigned n> + bool is_non_primary_2_face(const mln::def::coord& row, + const mln::def::coord& col); # ifndef MLN_INCLUDE_ONLY @@ -59,25 +66,34 @@ namespace mln // Facade inline - bool is_non_primary_2_face(const point2d& p) + bool is_non_primary_2_face(const point2d& p, unsigned n) { - return is_non_primary_2_face(p.row(), p.col()); + return is_non_primary_2_face(p.row(), p.col(), n); } inline bool is_non_primary_2_face(const mln::def::coord& row, + const mln::def::coord& col, + unsigned n) + { + return is_2_face(row, col) && !is_primary_2_face(row, col, n); + } + + + template <unsigned n> + bool is_non_primary_2_face(const mln::def::coord& row, const mln::def::coord& col) { - return kn::is_2_face(row, col) && !is_primary_2_face(row, col); + return is_2_face(row, col) && !is_primary_2_face<n>(row, col); } # endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::world::k2 + } // end of namespace mln::world::kn } // end of namespace mln::world } // end of namespace mln -#endif // ! MLN_WORLD_K2_IS_NON_PRIMARY_2_FACE_HH +#endif // ! MLN_WORLD_KN_IS_NON_PRIMARY_2_FACE_HH diff --git a/milena/mln/world/k2/is_primary_2_face.hh b/milena/mln/world/kn/is_primary_2_face.hh similarity index 56% copy from milena/mln/world/k2/is_primary_2_face.hh copy to milena/mln/world/kn/is_primary_2_face.hh index 442a8f5..36c0e44 100644 --- a/milena/mln/world/k2/is_primary_2_face.hh +++ b/milena/mln/world/kn/is_primary_2_face.hh @@ -25,13 +25,14 @@ /// \file /// -/// \brief Check if site is a primary face. +/// \brief Check if site is a primary face in an image immersed in Kn. -#ifndef MLN_WORLD_K2_IS_PRIMARY_2_FACE_HH -# define MLN_WORLD_K2_IS_PRIMARY_2_FACE_HH +#ifndef MLN_WORLD_KN_IS_PRIMARY_2_FACE_HH +# define MLN_WORLD_KN_IS_PRIMARY_2_FACE_HH +# include <cmath> # include <mln/core/alias/point2d.hh> - +# include <mln/metal/math/pow.hh> namespace mln { @@ -39,43 +40,61 @@ namespace mln namespace world { - namespace k2 + namespace kn { - /// \brief Check if site is a primary face - bool is_primary_2_face(const point2d& p); + /// \brief Check if site is a primary face in an image immersed + /// in K\p n. + bool is_primary_2_face(const point2d& p, + unsigned n); /// \overload bool is_primary_2_face(const mln::def::coord& row, - const mln::def::coord& col); + const mln::def::coord& col, + unsigned n); + /// \overload + /// Static version. \tparam n is a template parameter which + /// allows some computation to be performed at compile time. + template <unsigned n> + bool is_primary_2_face(const mln::def::coord& row, + const mln::def::coord& col); # ifndef MLN_INCLUDE_ONLY - // Facade - inline - bool is_primary_2_face(const point2d& p) + bool is_primary_2_face(const point2d& p, unsigned n) { - return is_primary_2_face(p.row(), p.col()); + return is_primary_2_face(p.row(), p.col(), n); } inline bool is_primary_2_face(const mln::def::coord& row, - const mln::def::coord& col) + const mln::def::coord& col, + unsigned n) + { + long shift = std::pow(2u,n); + return (row % shift) == 0 + && (col % shift) == 0; + } + + template <unsigned n> + bool is_primary_2_face(const mln::def::coord& row, + const mln::def::coord& col) { - return row % 4 == 0 && col % 4 == 0; + return (row % mlc_pow_int(2, n)) == 0 + && (col % mlc_pow_int(2, n)) == 0; } # endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::world::k2 + } // end of namespace mln::world::kn } // end of namespace mln::world } // end of namespace mln -#endif // ! MLN_WORLD_K2_IS_PRIMARY_2_FACE_HH +#endif // ! MLN_WORLD_KN_IS_PRIMARY_2_FACE_HH -- 1.7.2.5