Olena-patches September 2008

olena-patches@lrde.epita.fr

12 participants
359 discussions

by Roland Levillain

* mln/core/faces_psite.hh (mln::faces_psite<N, D, P>): Inherit from internal::pseudo_site_base_. (mln::faces_psite<N, D, P>::self_) (mln::faces_psite<N, D, P>::super_): (mln::faces_psite<N, D, P>::mesh): (mln::faces_psite<N, D, P>::point): (mln::faces_psite<N, D, P>::dpoint): (mln::faces_psite<N, D, P>::coord): Remove typdefs. (mln::faces_psite<N, D, P>::dim): Remove enum. (mln::faces_psite<N, D, P>::target): New typedef. (mln::faces_psite<N, D, P>::faces_psite(const self_&)): Remove ctor. (mln::faces_psite<N, D, P>::operator=(const self_&)) (mln::faces_psite<N, D, P>::to_site) (mln::faces_psite<N, D, P>::to_point) (mln::faces_psite<N, D, P>::operator[]): Remove methods. (mln::faces_psite<N, D, P>::faces_psite(const any_face_handle<D>&)): Add an extra argument pc to pass the target mln::p_complex. (faces_psite(const p_complex<N, D, P>, unsigned, unsigned)): New ctor. (mln::faces_psite<N, D, P>::invalidate) (mln::faces_psite<N, D, P>::target_) (mln::faces_psite<N, D, P>::change_target) (mln::faces_psite<N, D, P>::subj_) (mln::faces_psite<N, D, P>::update_): New method. (mln::faces_psite<N, D, P>::cplx): Rename as... (mln::faces_psite<N, D, P>::site_set): ...this. Adjust clients. (mln::faces_psite<N, D, P>::p_): Change type of attribute to P. (mln::faces_psite<N, D, P>::pc_): New attribute. (operator!=(const faces_psite<N, D, P>&, const faces_psite<N, D, P>&)): New operator. (operator<<(std::ostream& ostr, const faces_psite<N, D, P>& p)) (mln::faces_psite<N, D, P>::faces_psite): Adjust all ctors. (mln::faces_psite<N, D, P>::is_valid) (mln::faces_psite<N, D, P>::site_set): Adjust methods. (mln::faces_psite<N, D, P>::n) (mln::faces_psite<N, D, P>::face_id): New accessors. --- milena/ChangeLog | 50 ++++++++ milena/mln/core/faces_psite.hh | 248 ++++++++++++++++++++++++++++++---------- 2 files changed, 235 insertions(+), 63 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 87164b6..583ddc0 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,55 @@ 2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + Update site on mln::p_faces. + + * mln/core/faces_psite.hh (mln::faces_psite<N, D, P>): Inherit + from internal::pseudo_site_base_. + (mln::faces_psite<N, D, P>::self_) + (mln::faces_psite<N, D, P>::super_): + (mln::faces_psite<N, D, P>::mesh): + (mln::faces_psite<N, D, P>::point): + (mln::faces_psite<N, D, P>::dpoint): + (mln::faces_psite<N, D, P>::coord): + Remove typdefs. + (mln::faces_psite<N, D, P>::dim): + Remove enum. + (mln::faces_psite<N, D, P>::target): New typedef. + (mln::faces_psite<N, D, P>::faces_psite(const self_&)): + Remove ctor. + (mln::faces_psite<N, D, P>::operator=(const self_&)) + (mln::faces_psite<N, D, P>::to_site) + (mln::faces_psite<N, D, P>::to_point) + (mln::faces_psite<N, D, P>::operator[]): + Remove methods. + (mln::faces_psite<N, D, P>::faces_psite(const any_face_handle<D>&)): + Add an extra argument pc to pass the target mln::p_complex. + (faces_psite(const p_complex<N, D, P>, unsigned, unsigned)): + New ctor. + (mln::faces_psite<N, D, P>::invalidate) + (mln::faces_psite<N, D, P>::target_) + (mln::faces_psite<N, D, P>::change_target) + (mln::faces_psite<N, D, P>::subj_) + (mln::faces_psite<N, D, P>::update_): + New method. + (mln::faces_psite<N, D, P>::cplx): Rename as... + (mln::faces_psite<N, D, P>::site_set): ...this. + Adjust clients. + (mln::faces_psite<N, D, P>::p_): Change type of attribute to P. + (mln::faces_psite<N, D, P>::pc_): New attribute. + (operator!=(const faces_psite<N, D, P>&, const faces_psite<N, D, P>&)): + New operator. + (operator<<(std::ostream& ostr, const faces_psite<N, D, P>& p)) + (mln::faces_psite<N, D, P>::faces_psite): + Adjust all ctors. + (mln::faces_psite<N, D, P>::is_valid) + (mln::faces_psite<N, D, P>::site_set): + Adjust methods. + (mln::faces_psite<N, D, P>::n) + (mln::faces_psite<N, D, P>::face_id): + New accessors. + +2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + Update site on mln::p_complex. * mln/core/complex_psite.hh (mln::complex_psite<D, P>): Inherit diff --git a/milena/mln/core/faces_psite.hh b/milena/mln/core/faces_psite.hh index ac8b5ed..102394b 100644 --- a/milena/mln/core/faces_psite.hh +++ b/milena/mln/core/faces_psite.hh @@ -32,15 +32,20 @@ /// \brief Definition of a point site based on the n-faces of a /// complex. -# include <mln/core/concept/point_site.hh> +# include <mln/core/internal/pseudo_site_base.hh> # include <mln/core/complex.hh> +// FIXME: Factor complex_psite and faces_psite? + +// FIXME: Rename faces_psite as p_faces_psite, and move this file to +// core/site_set. namespace mln { - /* FIXME: Currently, P and N are free variables; we might want to - relate them, e.g., have P::dim == N. Or even get rid of P. */ + // Forward declaration. + template <unsigned N, unsigned D, typename P> class p_faces; + /// \brief Point site associated to a mln::p_faces. /// @@ -48,50 +53,89 @@ namespace mln /// \arg \p D The dimension of the complex this psite belongs to. /// \arg \p P The type of point associated to this psite. template <unsigned N, unsigned D, typename P> - class faces_psite : public Point_Site< faces_psite<N, D, P> > + class faces_psite + : public internal::pseudo_site_base_< const P&, + faces_psite<N, D, P> > { - typedef faces_psite<N, D, P> self_; - typedef Point_Site<self_> super_; - public: - typedef mln_mesh(P) mesh; - enum { dim = P::dim }; - typedef P point; - typedef mln_dpoint(P) dpoint; - typedef mln_coord(P) coord; + // This associated type is important to know that this particular + // pseudo site knows the site set it refers to. + typedef p_faces<N, D, P> target; /// Construction and assignment. /// \{ faces_psite(); - faces_psite(const face_handle<N, D>& face); - faces_psite(const self_& rhs); - self_& operator= (const self_& rhs); + /// \pre pf.cplx() == face.cplx(). + faces_psite(const p_faces<N, D, P>& pf, const face_handle<N, D>& face); + faces_psite(const p_faces<N, D, P>& pf, unsigned face_id); + /// \} + + /// Psite manipulators. + /// \{ + /// Is this psite valid? + bool is_valid() const; + /// Invalidate this psite. + void invalidate(); /// \} - /// Access to psite. - const self_& to_psite() const; + /// Site set manipulators. + /// \{ + /// \brief Return the p_faces this site is built on. + /// (shortcut for *target()). + /// \pre Member face_ is valid. + const target& site_set() const; + + /// Get a pointer to the target site_set. + const target* target_() const; + /// Set the target site_set. + void change_target(const target& new_target); + /// \} - /* FIXME: Should be removed as soon as ``point sets'' become - ``site sets''. */ - /// Access to point. + /// Proxy manipulators. /// \{ - const point& to_point() const; - coord operator[](unsigned face) const; + /// Return the site corresponding to this psite. + const P& subj_(); /// \} + /// Face handle manipulators. + /// \{ /// Return the face handle of this point site. face_handle<N, D> face() const; - /// Return the complex on which this site is built. - const complex<D>& cplx() const; - /// Is this psite valid? - bool is_valid() const; + /// Return the dimension of the face of this psite. + unsigned n() const; + /// Return the id of the face of this psite. + unsigned face_id() const; + /// \} + + private: + /// Site-related members. + /// \{ + /// Update the site corresponding to this psite. + void update_(); + // The site corresponding to this psite. + P p_; + /// \} + + /* FIXME: Attributes pf_ and face_ share a common information: the + address of their complex. + + This is both a loss of space and time (we must ensure + synchronization), but this design issue is not trivial: we + actually introduced the face handles to pack together the + location information (face_id) with the support (the complex), + to avoid what we did with graphs --- where location (edge id or + vertex id) is separated from the support (the graph). + Think about it, and adjust complex_psite as well. */ private: + /// Complex-related members. + /// \{ + /// The mln::p_faces this point site belongs to. + const target* pf_; /// The handle of the face this psite is pointing towards. face_handle<N, D> face_; - // FIXME: Actually, this is a dummy value! - point p_; + /// \} }; @@ -109,6 +153,16 @@ namespace mln operator==(const faces_psite<N, D, P>& lhs, const faces_psite<N, D, P>& rhs); + + /// \brief Is \a lhs equal to \a rhs? + /// + /// \pre Arguments \a lhs and \a rhs must belong to the same + /// mln::complex. + template <unsigned N, unsigned D, typename P> + bool + operator!=(const faces_psite<N, D, P>& lhs, + const faces_psite<N, D, P>& rhs); + /// \brief Is \a lhs ``less'' than \a rhs? /// /// This comparison is required by algorithms sorting psites. @@ -122,83 +176,111 @@ namespace mln /// \} + template <unsigned N, unsigned D, typename P> + inline + std::ostream& + operator<<(std::ostream& ostr, const faces_psite<N, D, P>& p); + + # ifndef MLN_INCLUDE_ONLY template <unsigned N, unsigned D, typename P> inline faces_psite<N, D, P>::faces_psite() - : super_(), - // Dummy initializations. - face_(), p_() + : pf_(0) { // Ensure N is compatible with D. metal::bool_< N <= D >::check(); + + invalidate(); } template <unsigned N, unsigned D, typename P> inline - faces_psite<N, D, P>::faces_psite(const face_handle<N, D>& face) - : super_(), - face_(face), p_() + faces_psite<N, D, P>::faces_psite(const p_faces<N, D, P>& pf, + const face_handle<N, D>& face) + : pf_(&pf), + face_(face) { // Ensure N is compatible with D. metal::bool_< N <= D >::check(); + // Check arguments consistency. +// mln_precondition(pf.cplx() == face.cplx()); + + update_(); } template <unsigned N, unsigned D, typename P> inline - faces_psite<N, D, P>::faces_psite(const faces_psite<N, D, P>& rhs) - : super_(rhs), - face_(rhs.face_), p_() + faces_psite<N, D, P>::faces_psite(const p_faces<N, D, P>& pf, + unsigned face_id) + : pf_(&pf), + face_(pf.cplx(), face_id) { // Ensure N is compatible with D. metal::bool_< N <= D >::check(); + + update_(); + } + + template <unsigned N, unsigned D, typename P> + inline + bool + faces_psite<N, D, P>::is_valid() const + { +// mln_invariant(!pf_ || pf_.cplx() == face_.cplx()); + return face_.is_valid(); } template <unsigned N, unsigned D, typename P> inline - faces_psite<N, D, P>& - faces_psite<N, D, P>::operator= (const faces_psite<N, D, P>& rhs) + void + faces_psite<N, D, P>::invalidate() { - if (&rhs == this) - return *this; - face_ = rhs.face_; - return *this; + return face_.invalidate(); } template <unsigned N, unsigned D, typename P> inline - bool - faces_psite<N, D, P>::is_valid() const + const p_faces<N, D, P>& + faces_psite<N, D, P>::site_set() const { - return face_.is_valid(); + mln_precondition(target_()); + return *target_(); } template <unsigned N, unsigned D, typename P> inline - const faces_psite<N, D, P>& - faces_psite<N, D, P>::to_psite() const + const p_faces<N, D, P>* + faces_psite<N, D, P>::target_() const { - return *this; +// mln_invariant(!pf_ || pf_.cplx() == face_.cplx()); + return pf_; } template <unsigned N, unsigned D, typename P> inline - const P& - faces_psite<N, D, P>::to_point() const + void + faces_psite<N, D, P>::change_target(const p_faces<N, D, P>& new_target) { - // FIXME: Dummy value. - return p_; + // Update both pc_ and face_. + pf_ = &new_target; + face_.set_cplx(new_target.cplx()); + invalidate(); } + // FIXME: Write or extend a test to exercise this method (when the + // handling of P is done, i.e., when update_ is complete). template <unsigned N, unsigned D, typename P> inline - mln_coord(P) - faces_psite<N, D, P>::operator[](unsigned i) const + const P& + faces_psite<N, D, P>::subj_() { - mln_precondition(is_valid()); - return to_point()[i]; + // FIXME: Member p_ is not updated correctly yet; do not use this + // method for now. + abort(); + return p_; } template <unsigned N, unsigned D, typename P> @@ -211,12 +293,31 @@ namespace mln template <unsigned N, unsigned D, typename P> inline - const complex<D>& - faces_psite<N, D, P>::cplx() const + unsigned + faces_psite<N, D, P>::n() const + { + return face_.n(); + } + + template <unsigned N, unsigned D, typename P> + inline + unsigned + faces_psite<N, D, P>::face_id() const + { + return face_.face_id(); + } + + template <unsigned N, unsigned D, typename P> + inline + void + faces_psite<N, D, P>::update_() { - return face_.cplx(); + mln_precondition(is_valid()); +// mln_invariant(!pf_ || pf_.cplx() == face_.cplx()); + // FIXME: Implement (update p_). } + /*--------------. | Comparisons. | `--------------*/ @@ -226,21 +327,42 @@ namespace mln operator==(const faces_psite<N, D, P>& lhs, const faces_psite<N, D, P>& rhs) { - mln_precondition(&lhs.cplx() == &rhs.cplx()); + mln_precondition(&lhs.site_set() == &rhs.site_set()); return lhs.face() == rhs.face(); } template <unsigned N, unsigned D, typename P> bool + operator!=(const faces_psite<N, D, P>& lhs, + const faces_psite<N, D, P>& rhs) + { + mln_precondition(&lhs.site_set() == &rhs.site_set()); + return lhs.face() != rhs.face(); + } + + template <unsigned N, unsigned D, typename P> + bool operator< (const faces_psite<N, D, P>& lhs, const faces_psite<N, D, P>& rhs) { - mln_precondition(&lhs.cplx() == &rhs.cplx()); + mln_precondition(&lhs.site_set() == &rhs.site_set()); return lhs.face() < rhs.face(); } -# endif // ! MLN_INCLUDE_ONLY + /*------------------. + | Pretty-printing. | + `------------------*/ + + template <unsigned N, unsigned D, typename P> + inline + std::ostream& + operator<<(std::ostream& ostr, const faces_psite<N, D, P>& p) + { + return ostr << "(dim = " << p.n() << ", id = " << p.face_id() << ')'; + } + +# endif // ! MLN_INCLUDE_ONLY } // end of mln -- 1.6.0.1

16 years, 3 months

2351: Update site on mln::p_complex.

by Roland Levillain

* mln/core/complex_psite.hh (mln::complex_psite<D, P>): Inherit from internal::pseudo_site_base_. (mln::complex_psite<D, P>::self_) (mln::complex_psite<D, P>::super_): (mln::complex_psite<D, P>::mesh): (mln::complex_psite<D, P>::point): (mln::complex_psite<D, P>::dpoint): (mln::complex_psite<D, P>::coord): Remove typdefs. (mln::complex_psite<D, P>::dim): Remove enum. (mln::complex_psite<D, P>::target): New typedef. (mln::complex_psite<D, P>::complex_psite(const self_&)): Remove ctor. (mln::complex_psite<D, P>::operator=(const self_&)) (mln::complex_psite<D, P>::to_site) (mln::complex_psite<D, P>::to_point) (mln::complex_psite<D, P>::operator[]): Remove methods. (mln::complex_psite<D, P>::complex_psite(const any_face_handle<D>&)): Add an extra argument pc to pass the target mln::p_complex. (complex_psite(const p_complex<D, P>, unsigned, unsigned)): New ctor. (mln::complex_psite<D, P>::invalidate) (mln::complex_psite<D, P>::target_) (mln::complex_psite<D, P>::change_target) (mln::complex_psite<D, P>::subj_) (mln::complex_psite<D, P>::update_): New method. (mln::complex_psite<D, P>::cplx): Rename as... (mln::complex_psite<D, P>::site_set): ...this. Adjust clients. (mln::complex_psite<D, P>::p_): Change type of attribute to P. (mln::complex_psite<D, P>::pc_): New attribute. (operator!=(const complex_psite<D, P>&, const complex_psite<D, P>&)): New operator. (mln::complex_psite<D, P>::complex_psite): Adjust all ctors. (mln::complex_psite<D, P>::is_valid) (mln::complex_psite<D, P>::site_set): Adjust methods. --- milena/ChangeLog | 46 ++++++++ milena/mln/core/complex_psite.hh | 232 ++++++++++++++++++++++++++------------ 2 files changed, 206 insertions(+), 72 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 8778cd6..87164b6 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,51 @@ 2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + Update site on mln::p_complex. + + * mln/core/complex_psite.hh (mln::complex_psite<D, P>): Inherit + from internal::pseudo_site_base_. + (mln::complex_psite<D, P>::self_) + (mln::complex_psite<D, P>::super_): + (mln::complex_psite<D, P>::mesh): + (mln::complex_psite<D, P>::point): + (mln::complex_psite<D, P>::dpoint): + (mln::complex_psite<D, P>::coord): + Remove typdefs. + (mln::complex_psite<D, P>::dim): + Remove enum. + (mln::complex_psite<D, P>::target): New typedef. + (mln::complex_psite<D, P>::complex_psite(const self_&)): + Remove ctor. + (mln::complex_psite<D, P>::operator=(const self_&)) + (mln::complex_psite<D, P>::to_site) + (mln::complex_psite<D, P>::to_point) + (mln::complex_psite<D, P>::operator[]): + Remove methods. + (mln::complex_psite<D, P>::complex_psite(const any_face_handle<D>&)): + Add an extra argument pc to pass the target mln::p_complex. + (complex_psite(const p_complex<D, P>, unsigned, unsigned)): + New ctor. + (mln::complex_psite<D, P>::invalidate) + (mln::complex_psite<D, P>::target_) + (mln::complex_psite<D, P>::change_target) + (mln::complex_psite<D, P>::subj_) + (mln::complex_psite<D, P>::update_): + New method. + (mln::complex_psite<D, P>::cplx): Rename as... + (mln::complex_psite<D, P>::site_set): ...this. + Adjust clients. + (mln::complex_psite<D, P>::p_): Change type of attribute to P. + (mln::complex_psite<D, P>::pc_): New attribute. + (operator!=(const complex_psite<D, P>&, const complex_psite<D, P>&)): + New operator. + (mln::complex_psite<D, P>::complex_psite): + Adjust all ctors. + (mln::complex_psite<D, P>::is_valid) + (mln::complex_psite<D, P>::site_set): + Adjust methods. + +2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + Update site set mln::p_faces * mln/core/site_set/p_faces.hh diff --git a/milena/mln/core/complex_psite.hh b/milena/mln/core/complex_psite.hh index d7ace6b..2a9a0e7 100644 --- a/milena/mln/core/complex_psite.hh +++ b/milena/mln/core/complex_psite.hh @@ -31,57 +31,82 @@ /// \file mln/core/complex_psite.hh /// \brief Definition of a complex-based point site. -# include <mln/core/concept/point_site.hh> +# include <mln/core/internal/pseudo_site_base.hh> # include <mln/core/complex.hh> +// FIXME: There's a circular dependency issue between complex_psite +// and p_complex (likewise for faces_psite and p_faces): they have to +// know their interfaces one another. I have disabled some +// preconditions and invariants to have the code compile, but we must +// find a real solution. + +// FIXME: Factor complex_psite and faces_psite? + +// FIXME: Rename complex_psite as p_complex_psite, and move this file to +// core/site_set. + namespace mln { - /* FIXME: Get rid of P? */ + // Forward declaration. + template <unsigned D, typename P> class p_complex; + /// \brief Point site associated to a mln::p_complex. /// /// \arg \p D The dimension of the complex this psite belongs to. /// \arg \p P The type of point associated to this psite. template <unsigned D, typename P> - class complex_psite : public Point_Site< complex_psite<D, P> > + class complex_psite + : public internal::pseudo_site_base_< const P&, + complex_psite<D, P> > { - typedef complex_psite<D, P> self_; - typedef Point_Site<self_> super_; - public: - typedef mln_mesh(P) mesh; - enum { dim = P::dim }; - typedef P point; - typedef mln_dpoint(P) dpoint; - typedef mln_coord(P) coord; + // This associated type is important to know that this particular + // pseudo site knows the site set it refers to. + typedef p_complex<D, P> target; + // FIXME: Document. /// Construction and assignment. /// \{ complex_psite(); - complex_psite(const any_face_handle<D>& face); - complex_psite(const self_& rhs); - self_& operator= (const self_& rhs); + /// \pre pc.cplx() == face.cplx(). + complex_psite(const p_complex<D, P>& pc, const any_face_handle<D>& face); + complex_psite(const p_complex<D, P>& pc, unsigned n, unsigned face_id); /// \} - /// Access to psite. - const self_& to_psite() const; + /// Psite manipulators. + /// \{ + /// Is this psite valid? + bool is_valid() const; + /// Invalidate this psite. + void invalidate(); + /// \} + + /// Site set manipulators. + /// \{ + /// \brief Return the mln::p_complex this site is built on. + /// (shortcut for *target()). + /// \pre Member face_ is valid. + const target& site_set() const; + + /// Get a pointer to the target site_set. + const target* target_() const; + /// Set the target site_set. + void change_target(const target& new_target); + /// \} - /* FIXME: Should be removed as soon as ``point sets'' become - ``site sets''. */ - /// Access to point. + /// Proxy manipulators. /// \{ - const point& to_point() const; - coord operator[](unsigned face) const; + /// Return the site corresponding to this psite. + const P& subj_(); /// \} - /// Accessors + /// Face handle manipulators. /// \{ /// Return the face handle of this point site. any_face_handle<D> face() const; - /// Return the complex on which this site is built. - const complex<D>& cplx() const; /// Return the dimension of the face of this psite. unsigned n() const; @@ -89,14 +114,35 @@ namespace mln unsigned face_id() const; /// \} - /// Is this psite valid? - bool is_valid() const; + private: + /// Site-related members. + /// \{ + /// Update the site corresponding to this psite. + void update_(); + // The site corresponding to this psite. + P p_; + /// \} + + /* FIXME: Attributes pc_ and face_ share a common information: the + address of their complex. + + This is both a loss of space and time (we must ensure + synchronization), but this design issue is not trivial: we + actually introduced (any-)face handles to pack together the + location information (n, face_id) with the support (the + complex), to avoid what we did with graphs --- where location + (edge id or vertex id) is separated from the support (the + graph). + Think about it, and adjust faces_psite as well. */ private: + /// Complex-related members. + /// \{ + /// The mln::p_faces this point site belongs to. + const target* pc_; /// The handle of the face this psite is pointing towards. any_face_handle<D> face_; - // FIXME: Actually, this is a dummy value! - point p_; + /// \} }; @@ -108,18 +154,33 @@ namespace mln /// \brief Is \a lhs equal to \a rhs? /// /// \pre Arguments \a lhs and \a rhs must belong to the same - /// mln::complex. + /// mln::p_complex. + /* FIXME: We probably want to relax this precondition: p_complex + equality is too strong; prefer complex equality. */ template <unsigned D, typename P> bool operator==(const complex_psite<D, P>& lhs, const complex_psite<D, P>& rhs); + /// \brief Is \a lhs not equal to \a rhs? + /// + /// \pre Arguments \a lhs and \a rhs must belong to the same + /// mln::p_complex. + /* FIXME: We probably want to relax this precondition: p_complex + equality is too strong; prefer complex equality. */ + template <unsigned D, typename P> + bool + operator!=(const complex_psite<D, P>& lhs, + const complex_psite<D, P>& rhs); + /// \brief Is \a lhs ``less'' than \a rhs? /// /// This comparison is required by algorithms sorting psites. /// /// \pre Arguments \a lhs and \a rhs must belong to the same - /// mln::complex. + /// mln::p_complex. + /* FIXME: We probably want to relax this precondition: p_complex + equality is too strong; prefer complex equality. */ template <unsigned D, typename P> bool operator< (const complex_psite<D, P>& lhs, @@ -127,10 +188,6 @@ namespace mln /// \} - /* FIXME: This hand-made delegation is painful. We should rely on - the general mechanism provided by Point_Site. But then again, we - need to refine/adjust the interface of Point_Site w.r.t. the - mandatory conversions to points. */ template <unsigned D, typename P> inline std::ostream& @@ -143,87 +200,98 @@ namespace mln template <unsigned D, typename P> inline complex_psite<D, P>::complex_psite() - : super_(), - // Dummy initializations. - face_(), p_() + : pc_(0) { + invalidate(); } template <unsigned D, typename P> inline - complex_psite<D, P>::complex_psite(const any_face_handle<D>& face) - : super_(), - face_(face), p_() + complex_psite<D, P>::complex_psite(const p_complex<D, P>& pc, + const any_face_handle<D>& face) + : pc_(&pc), + face_(face) { + // Check arguments consistency. +// mln_precondition(pc.cplx() == face.cplx()); + update_(); } template <unsigned D, typename P> inline - complex_psite<D, P>::complex_psite(const complex_psite<D, P>& rhs) - : super_(rhs), - face_(rhs.face_), p_() + complex_psite<D, P>::complex_psite(const p_complex<D, P>& pc, + unsigned n, unsigned face_id) + : pc_(&pc), + face_(pc.cplx(), n, face_id) { + update_(); } template <unsigned D, typename P> inline - complex_psite<D, P>& - complex_psite<D, P>::operator= (const complex_psite<D, P>& rhs) + bool + complex_psite<D, P>::is_valid() const { - if (&rhs == this) - return *this; - face_ = rhs.face_; - return *this; +// mln_invariant(!pc_ || pc_.cplx() == face_.cplx()); + return face_.is_valid(); } template <unsigned D, typename P> inline - bool - complex_psite<D, P>::is_valid() const + void + complex_psite<D, P>::invalidate() { - return face_.is_valid(); + return face_.invalidate(); } template <unsigned D, typename P> inline - const complex_psite<D, P>& - complex_psite<D, P>::to_psite() const + const p_complex<D, P>& + complex_psite<D, P>::site_set() const { - return *this; + mln_precondition(target_()); + return *target_(); } template <unsigned D, typename P> inline - const P& - complex_psite<D, P>::to_point() const + const p_complex<D, P>* + complex_psite<D, P>::target_() const { - // FIXME: Dummy value. - return p_; +// mln_invariant(!pc_ || pc_.cplx() == face_.cplx()); + return pc_; } template <unsigned D, typename P> inline - mln_coord(P) - complex_psite<D, P>::operator[](unsigned i) const + void + complex_psite<D, P>::change_target(const p_complex<D, P>& new_target) { - mln_precondition(is_valid()); - return to_point()[i]; + // Update both pc_ and face_. + pc_ = &new_target; + face_.set_cplx(new_target.cplx()); + invalidate(); } + // FIXME: Write or extend a test to exercise this method (when the + // handling of P is done, i.e., when update_ is complete). template <unsigned D, typename P> inline - any_face_handle<D> - complex_psite<D, P>::face() const + const P& + complex_psite<D, P>::subj_() { - return face_; + // FIXME: Member p_ is not updated correctly yet; do not use this + // method for now. + abort(); + return p_; } template <unsigned D, typename P> inline - const complex<D>& - complex_psite<D, P>::cplx() const + any_face_handle<D> + complex_psite<D, P>::face() const { - return face_.cplx(); + return face_; } template <unsigned D, typename P> @@ -242,6 +310,17 @@ namespace mln return face_.face_id(); } + template <unsigned D, typename P> + inline + void + complex_psite<D, P>::update_() + { + mln_precondition(is_valid()); +// mln_invariant(!pc_ || pc_.cplx() == face_.cplx()); + // FIXME: Implement (update p_). + } + + /*--------------. | Comparisons. | `--------------*/ @@ -251,19 +330,29 @@ namespace mln operator==(const complex_psite<D, P>& lhs, const complex_psite<D, P>& rhs) { - mln_precondition(&lhs.cplx() == &rhs.cplx()); + mln_precondition(&lhs.site_set() == &rhs.site_set()); return lhs.face() == rhs.face(); } template <unsigned D, typename P> bool + operator!=(const complex_psite<D, P>& lhs, + const complex_psite<D, P>& rhs) + { + mln_precondition(&lhs.site_set() == &rhs.site_set()); + return lhs.face() != rhs.face(); + } + + template <unsigned D, typename P> + bool operator< (const complex_psite<D, P>& lhs, const complex_psite<D, P>& rhs) { - mln_precondition(&lhs.cplx() == &rhs.cplx()); + mln_precondition(&lhs.site_set() == &rhs.site_set()); return lhs.face() < rhs.face(); } + /*------------------. | Pretty-printing. | `------------------*/ @@ -278,7 +367,6 @@ namespace mln # endif // ! MLN_INCLUDE_ONLY - } // end of mln #endif // MLN_CORE_COMPLEX_PSITE_HH -- 1.6.0.1

16 years, 3 months

2350: Update site set mln::p_faces

by Roland Levillain

* mln/core/site_set/p_faces.hh (mln::internal::site_set_< p_faces<N, D, P> >): New properties. (mln::internal::site_set_< p_faces<N, D, P> >::self_) (mln::internal::site_set_< p_faces<N, D, P> >::super_) (mln::internal::site_set_< p_faces<N, D, P> >::element_) (mln::internal::site_set_< p_faces<N, D, P> >::piter): New typedefs. (mln::p_faces<N, D, P>::nsites): Change the return type of this method to unsigned. (mln::p_faces<N, D, P>::is_valid) (mln::p_faces<N, D, P>::memory_size): New methods. (mln::p_faces<N, D, P>::bbox): Remove method. (mln::p_faces<N, D, P>::bb_): Remove attribute. (mln::p_faces<N, D, P>::p_faces) (mln::p_faces<N, D, P>::has) (mln::p_faces<N, D, P>::cplx() const): Update methods. (mln::p_faces<N, D, P>::cplx()): New (mutable) accessor. (operator==(const mln::p_faces<N,D,P>&, const mln::p_faces<N,D,P>&)): New operator. --- milena/ChangeLog | 27 +++++++ milena/mln/core/site_set/p_faces.hh | 131 ++++++++++++++++++++++++++-------- 2 files changed, 127 insertions(+), 31 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 02ae1c6..8778cd6 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,32 @@ 2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + Update site set mln::p_faces + + * mln/core/site_set/p_faces.hh + (mln::internal::site_set_< p_faces<N, D, P> >): New properties. + (mln::internal::site_set_< p_faces<N, D, P> >::self_) + (mln::internal::site_set_< p_faces<N, D, P> >::super_) + (mln::internal::site_set_< p_faces<N, D, P> >::element_) + (mln::internal::site_set_< p_faces<N, D, P> >::piter): + New typedefs. + (mln::p_faces<N, D, P>::nsites): Change the return type of this + method to unsigned. + (mln::p_faces<N, D, P>::is_valid) + (mln::p_faces<N, D, P>::memory_size): + New methods. + (mln::p_faces<N, D, P>::bbox): Remove method. + (mln::p_faces<N, D, P>::bb_): Remove attribute. + (mln::p_faces<N, D, P>::p_faces) + (mln::p_faces<N, D, P>::has) + (mln::p_faces<N, D, P>::cplx() const): + Update methods. + (mln::p_faces<N, D, P>::cplx()): + New (mutable) accessor. + (operator==(const mln::p_faces<N,D,P>&, const mln::p_faces<N,D,P>&)): + New operator. + +2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + Update site set mln::p_complex. * mln/core/site_set/p_complex.hh (mln::p_complex<D, P>): Inherit diff --git a/milena/mln/core/site_set/p_faces.hh b/milena/mln/core/site_set/p_faces.hh index f204471..025023d 100644 --- a/milena/mln/core/site_set/p_faces.hh +++ b/milena/mln/core/site_set/p_faces.hh @@ -44,14 +44,28 @@ namespace mln { - /* FIXME: For compatibility reasons with mln::Point_Set, a point - type \P is attached to this complex-based pset (but it is not - used actually). We should either: + // Forward declarations. + template <unsigned N, unsigned D, typename P> class p_faces; + // FIXME: Enable when available. +#if 0 + template <unsigned N, unsigned D, typename P> class p_faces_fwd_piter_; + template <unsigned N, unsigned D, typename P> class p_faces_bkd_piter_; +#endif + + + namespace trait + { + template <unsigned N, unsigned D, typename P> + struct site_set_< p_faces<N, D, P> > + { + typedef trait::site_set::nsites::known nsites; + // FIXME: Depends on P! + typedef trait::site_set::bbox::unknown bbox; + typedef trait::site_set::contents::fixed contents; + typedef trait::site_set::arity::unique arity; + }; + } // end of namespace mln::trait - - use it, and make it mandatory (good solution for the moment); - - use it, and make it optional (better solution, but implies - changes in mln::Point_Set; - - remove it (easy and bad solution). */ /// A complex psite set based on a the \N-faces of a complex of /// dimension \p D (a \p D-complex). @@ -60,6 +74,9 @@ namespace mln : public internal::site_set_base_< faces_psite<N, D, P>, p_faces<N, D, P> > { + typedef p_faces<N, D, P> self_; + typedef internal::site_set_base_< faces_psite<N, D, P>, self_ > super_; + /// \brief Construct a complex psite set from a complex. /// /// \param gr The complex upon which the complex psite set is built. @@ -68,35 +85,71 @@ namespace mln /// still valid after the initial complex has been removed. p_faces (const complex<D>& cplx); + /// Associated types. + /// \{ + /// Element associated type. + typedef mln_site(super_) element; + /// Point_Site associated type. typedef faces_psite<N, D, P> psite; // FIXME: Fake. + /// Forward Site_Iterator associated type. typedef void fwd_piter; + + // FIXME: Fake. + /// Backward Site_Iterator associated type. typedef void bkd_piter; - /// \brief Return The number of points (sites) of the set, i.e., the - /// number of \em faces. + /// Site_Iterator associated type. + typedef fwd_piter piter; + /// \} + + /// \brief Return The number of sites of the set, i.e., the number + /// of \em faces. /// - /// Required by the mln::Point_Set concept. - std::size_t nsites() const; + /// (Required by the mln::Site_Set concept, since the property + /// trait::site_set::nsites::known of this site set is set to + /// `known'.) + /* FIXME: Return type should be std::size_t (see + mln/core/concept/site_set.hh). */ + unsigned nsites() const; /// Return The number of faces in the complex. std::size_t nfaces() const; - /// Give the exact bounding box. - const box& bbox() const; + // FIXME: Add nfaces(unsigned) routines? Yes, if this can + // simplify (and lighten) the implementation of piters, psites, + // etc. + + /// Is this site set valid? + bool is_valid() const; bool has(const psite& p) const; - /// Return the complex associated to the p_faces domain. - const complex<D>& cplx() const; + // FIXME: Dummy. + std::size_t memory_size() const; + + /// Accessors. + /// \{ + /// Return the complex associated to the p_faces domain (const + /// version). + /* FIXME: Move back the const qualifier on this return type (see + comment below on cplx_). */ + complex<D>& cplx() const; + /// Return the complex associated to the p_faces domain (mutable + /// version). + complex<D>& cplx(); + /// \} private: /// The complex on which this pset is built. util::tracked_ptr< complex<D> > cplx_; - // FIXME: Remove as soon as bbox become optional. - box bb_; + + template <unsigned D_, unsigned N_, typename P_> + friend + bool operator==(const p_faces<D_, N_, P_>& lhs, + const p_faces<D_, N_, P_>& rhs); }; @@ -132,17 +185,11 @@ namespace mln { // Ensure N is compatible with D. metal::bool_< N <= D >::check(); - - // FIXME: Dummy initialization. - accu::bbox a; - for (unsigned i = 0; i < nsites(); ++i) - a.take(P()); - bb_ = a.to_result(); } template <unsigned N, unsigned D, typename P> inline - std::size_t + unsigned p_faces<N, D, P>::nsites() const { return nfaces(); @@ -158,11 +205,11 @@ namespace mln template <unsigned N, unsigned D, typename P> inline - const box& - p_faces<N, D, P>::bbox() const + bool + p_faces<N, D, P>::is_valid() const { - // FIXME: Dummy value. - return bb_; + // FIXME: Might be too low-level, again. + return (cplx_.ptr_); } template <unsigned N, unsigned D, typename P> @@ -170,22 +217,44 @@ namespace mln bool p_faces<N, D, P>::has(const psite& p) const { + mln_precondition(is_valid()); return // Check whether P's complex is compatible with this pset's complex. - &p.cplx() == &cplx() && + (p.site_set() == *this) && // Check whether the complex has the face associated to P. - p.face().is_valid(); + (p.is_valid()); } + template <unsigned N, unsigned D, typename P> + inline + std::size_t + p_faces<N, D, P>::memory_size() const + { + // FIXME: Dummy; implement (see other site sets). + abort(); + return 0; + } template <unsigned N, unsigned D, typename P> - const complex<D>& + complex<D>& p_faces<N, D, P>::cplx() const { mln_precondition(cplx_); return *cplx_.ptr_; } + template <unsigned N, unsigned D, typename P> + complex<D>& + p_faces<N, D, P>::cplx() + { + mln_precondition(cplx_); + return *cplx_.ptr_; + } + + + /*--------------. + | Comparisons. | + `--------------*/ template <unsigned N, unsigned D, typename P> bool -- 1.6.0.1

16 years, 3 months

2349: Update site set mln::p_complex.

by Roland Levillain

* mln/core/site_set/p_complex.hh (mln::p_complex<D, P>): Inherit from internal::site_set_base_. (mln::p_complex<D, P>::self_) (mln::p_complex<D, P>::super_) (mln::p_complex<D, P>::element_) (mln::p_complex<D, P>::piter): New typedefs. (mln::p_complex<D, P>::nsites): Change the return type of this method to unsigned. (mln::p_complex<D, P>::is_valid) (mln::p_complex<D, P>::memory_size): New methods. (mln::p_complex<D, P>::bbox): Remove method. (mln::p_complex<D, P>::bb_): Remove attribute. (mln::p_complex<D, P>::p_complex) (mln::p_complex<D, P>::has) (mln::p_complex<D, P>::cplx): Update methods. (operator==(const mln::p_complex<D, P>&, const mln::p_complex<D, P>&)): New operator. --- milena/ChangeLog | 25 ++++++ milena/mln/core/site_set/p_complex.hh | 151 ++++++++++++++++++++++++--------- 2 files changed, 134 insertions(+), 42 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 1636331..02ae1c6 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,30 @@ 2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + Update site set mln::p_complex. + + * mln/core/site_set/p_complex.hh (mln::p_complex<D, P>): Inherit + from internal::site_set_base_. + (mln::p_complex<D, P>::self_) + (mln::p_complex<D, P>::super_) + (mln::p_complex<D, P>::element_) + (mln::p_complex<D, P>::piter): + New typedefs. + (mln::p_complex<D, P>::nsites): Change the return type of this + method to unsigned. + (mln::p_complex<D, P>::is_valid) + (mln::p_complex<D, P>::memory_size): + New methods. + (mln::p_complex<D, P>::bbox): Remove method. + (mln::p_complex<D, P>::bb_): Remove attribute. + (mln::p_complex<D, P>::p_complex) + (mln::p_complex<D, P>::has) + (mln::p_complex<D, P>::cplx): + Update methods. + (operator==(const mln::p_complex<D, P>&, const mln::p_complex<D, P>&)): + New operator. + +2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + Complete the overhaul of line graph images. * mln/core/image/line_graph_image.hh: diff --git a/milena/mln/core/site_set/p_complex.hh b/milena/mln/core/site_set/p_complex.hh index 840ae40..6065df4 100644 --- a/milena/mln/core/site_set/p_complex.hh +++ b/milena/mln/core/site_set/p_complex.hh @@ -33,7 +33,6 @@ # include <mln/core/internal/site_set_base.hh> -# include <mln/accu/bbox.hh> # include <mln/util/tracked_ptr.hh> # include <mln/core/complex.hh> @@ -49,24 +48,53 @@ namespace mln template <unsigned D, typename P> class p_complex_bkd_piter_; - // FIXME: Rename as p_faces? + namespace trait + { + template <unsigned D, typename P> + struct site_set_< p_complex<D, P> > + { + typedef trait::site_set::nsites::known nsites; + // FIXME: Depends on P! + typedef trait::site_set::bbox::unknown bbox; + typedef trait::site_set::contents::fixed contents; + typedef trait::site_set::arity::unique arity; + }; + } // end of namespace mln::trait + + + /* FIXME: We should decide was P represents: + + - a unique site type for all faces of all dimensions? + (Acceptable for a first implementation -- the one currently + chosen.) + + - the site type associated to 0-faces only (site types of n-faces + with n > 1 will be deduced from this one)? + (Better, but not really flexible.) - /* FIXME: For compatibility reasons with mln::Point_Set, a point - type \P is attached to this complex-based pset (but it is not - used actually). We should either: + - a type list of the site types associated faces of each + dimensions, e.g. - - use it, and make it mandatory (good solution for the moment); - - use it, and make it optional (better solution, but implies - changes in mln::Point_Set; - - remove it (easy and bad solution). */ + mln_type_list(point2d, + mln_type_list(site_pair<point2d>, + mln_type_list(site_set<point2d>, // or site_triplet<point2d> + mln_empty_list))) + + for a 2-complex? + (The best solution so far, but requires more work.) */ + + /* FIXME: Aggregate site data (location). */ /// A complex psite set based on a the \N-faces of a complex of /// dimension \p D (a \p D-complex). template <unsigned D, typename P> - struct p_complex - : public internal::site_set_base_< complex_psite<D, P>, - p_complex<D, P> > + class p_complex + : public internal::site_set_base_< complex_psite<D, P>, p_complex<D, P> > { + typedef p_complex<D, P> self_; + typedef internal::site_set_base_< complex_psite<D, P>, self_ > super_; + + public: /// \brief Construct a complex psite set from a complex. /// /// \param gr The complex upon which the complex psite set is built. @@ -75,27 +103,50 @@ namespace mln /// still valid after the initial complex has been removed. p_complex (const complex<D>& cplx); + /// Associated types. + /// \{ + /// Element associated type. + typedef mln_site(super_) element; + /// Point_Site associated type. typedef complex_psite<D, P> psite; - /// Forward Point_Iterator associated type. + /// Forward Site_Iterator associated type. typedef p_complex_fwd_piter_<D, P> fwd_piter; - /// Backward Point_Iterator associated type. + + /// Backward Site_Iterator associated type. typedef p_complex_bkd_piter_<D, P> bkd_piter; - /// \brief Return The number of points (sites) of the set, i.e., the - /// number of \em faces. + /// Site_Iterator associated type. + typedef fwd_piter piter; + /// \} + + /// \brief Return The number of sites of the set, i.e., the number + /// of \em faces. /// - /// Required by the mln::Point_Set concept. - std::size_t nsites() const; + /// (Required by the mln::Site_Set concept, since the property + /// trait::site_set::nsites::known of this site set is set to + /// `known'.) + /* FIXME: Return type should be std::size_t (see + mln/core/concept/site_set.hh). */ + unsigned nsites() const; /// Return The number of faces in the complex. std::size_t nfaces() const; - // FIXME: Add nfaces(unsigned) routines? + // FIXME: Add nfaces(unsigned) routines? Yes, if this can + // simplify (and lighten) the implementation of piters, psites, + // etc. + /// Is this site set valid? + bool is_valid() const; + + /// Does this site set has \a p? bool has(const psite& p) const; + // FIXME: Dummy. + std::size_t memory_size() const; + /// Accessors. /// \{ /// Return the complex associated to the p_complex domain (const @@ -106,9 +157,6 @@ namespace mln /// Return the complex associated to the p_complex domain (mutable /// version). complex<D>& cplx(); - - /// Give the exact bounding box. - const box& bbox() const; /// \} private: @@ -129,8 +177,13 @@ namespace mln similar to graphs, where vertex and edge handles (named `id's) are not tied to a specific graph. */ mutable util::tracked_ptr< complex<D> > cplx_; - // FIXME: Remove as soon as bbox become optional. - box bb_; + + // FIXME: Remove as soon as the tracked_ptr is move into the + // complex itself. + template <unsigned D_, typename P_> + friend + bool operator==(const p_complex<D_, P_>& lhs, + const p_complex<D_, P_>& rhs); }; @@ -164,16 +217,11 @@ namespace mln // Create a deep, managed copy of CPLX. : cplx_(new complex<D>(cplx)) { - // FIXME: Dummy initialization. - accu::bbox a; - for (unsigned i = 0; i < nsites(); ++i) - a.take(P()); - bb_ = a.to_result(); } template <unsigned D, typename P> inline - std::size_t + unsigned p_complex<D, P>::nsites() const { return nfaces(); @@ -190,20 +238,40 @@ namespace mln template <unsigned D, typename P> inline bool + p_complex<D, P>::is_valid() const + { + // FIXME: Might be too low-level, again. + return (cplx_.ptr_); + } + + template <unsigned D, typename P> + inline + bool p_complex<D, P>::has(const psite& p) const { + mln_precondition(is_valid()); return // Check whether P's complex is compatible with this pset's complex. - &p.cplx() == &cplx() && + (p.site_set() == *this) && // Check whether the complex has the face associated to P. - p.face().is_valid(); + (p.is_valid()); + } + + template <unsigned D, typename P> + inline + std::size_t + p_complex<D, P>::memory_size() const + { + // FIXME: Dummy; implement (see other site sets). + abort(); + return 0; } template <unsigned D, typename P> complex<D>& p_complex<D, P>::cplx() const { - mln_precondition(cplx_); + mln_precondition(is_valid()); return *cplx_.ptr_; } @@ -211,24 +279,23 @@ namespace mln complex<D>& p_complex<D, P>::cplx() { - mln_precondition(cplx_); + mln_precondition(is_valid()); return *cplx_.ptr_; } - template <unsigned D, typename P> - inline - const box& - p_complex<D, P>::bbox() const - { - // FIXME: Dummy value. - return bb_; - } + /*--------------. + | Comparisons. | + `--------------*/ template <unsigned D, typename P> bool operator==(const p_complex<D, P>& lhs, const p_complex<D, P>& rhs) { + /* FIXME: We should not rely on pointer equality here, as graph + will soon become shells using (shared) tracked pointers to + actual data. So, delegate the equality test to the graphs + themselves. */ return lhs.cplx_.ptr_ == rhs.cplx_.ptr_; } -- 1.6.0.1

16 years, 3 months

2348: Complete the overhaul of line graph images.

by Roland Levillain

* mln/core/image/line_graph_image.hh: (mln::line_graph_image<P, V>): Fix access to members. (mln::line_graph_image<P, V>::super_): Remove typedef. * mln/core/site_set/p_line_graph.hh: Update documentation. (mln::p_line_graph::gr() const) (mln::p_line_graph::gr()): New accessors. (mln::p_line_graph::bbox): Remove method. (mln::p_line_graph::bb_): Remove attributes. (mln::p_line_graph::p_line_graph): Ajust ctor. (mln::p_line_graph::has): Ensure the site set is valid. (mln::p_line_graph::memory_size): Temporarily prevent the method from being executed. * mln/core/image/line_graph_psite.hh: Aesthetic changes. (mln::line_graph_psite::super_): Remove typedef. (mln::line_graph_psite::line_graph_psite): Invalidate the psite in the default ctor. (mln::line_graph_psite::site_set): Use target_() instead of manipulating plg_ directly. * mln/core/site_set/p_line_graph_piter.hh: Update documentation. (p_line_graph_fwd_piter_::p_line_graph_fwd_piter_) (p_line_graph_bkd_piter_::p_line_graph_bkd_piter_): Add postconditions. --- milena/ChangeLog | 28 ++++++++ milena/mln/core/image/line_graph_image.hh | 20 +++--- milena/mln/core/image/line_graph_psite.hh | 80 +++++++++++------------ milena/mln/core/site_set/p_line_graph.hh | 84 ++++++++++++++---------- milena/mln/core/site_set/p_line_graph_piter.hh | 15 +++- 5 files changed, 136 insertions(+), 91 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 4fffc21..1636331 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,3 +1,31 @@ +2008-09-22 Roland Levillain <roland(a)lrde.epita.fr> + + Complete the overhaul of line graph images. + + * mln/core/image/line_graph_image.hh: + (mln::line_graph_image<P, V>): Fix access to members. + (mln::line_graph_image<P, V>::super_): Remove typedef. + * mln/core/site_set/p_line_graph.hh: Update documentation. + (mln::p_line_graph::gr() const) + (mln::p_line_graph::gr()): + New accessors. + (mln::p_line_graph::bbox): Remove method. + (mln::p_line_graph::bb_): Remove attributes. + (mln::p_line_graph::p_line_graph): Ajust ctor. + (mln::p_line_graph::has): Ensure the site set is valid. + (mln::p_line_graph::memory_size): Temporarily prevent the + method from being executed. + * mln/core/image/line_graph_psite.hh: Aesthetic changes. + (mln::line_graph_psite::super_): Remove typedef. + (mln::line_graph_psite::line_graph_psite): Invalidate the psite + in the default ctor. + (mln::line_graph_psite::site_set): Use target_() instead of + manipulating plg_ directly. + * mln/core/site_set/p_line_graph_piter.hh: Update documentation. + (p_line_graph_fwd_piter_::p_line_graph_fwd_piter_) + (p_line_graph_bkd_piter_::p_line_graph_bkd_piter_): + Add postconditions. + 2008-09-22 Nicolas Ballas <ballas(a)lrde.epita.fr> Update median"". diff --git a/milena/mln/core/image/line_graph_image.hh b/milena/mln/core/image/line_graph_image.hh index b06b6c9..6b9b7ba 100644 --- a/milena/mln/core/image/line_graph_image.hh +++ b/milena/mln/core/image/line_graph_image.hh @@ -31,6 +31,8 @@ /// \file mln/core/image/line_graph_image.hh /// \brief Definition of a line graph-based image. +# include <vector> + # include <mln/trait/images.hh> # include <mln/core/internal/image_primary.hh> @@ -38,7 +40,6 @@ # include <mln/core/site_set/p_line_graph.hh> # include <mln/core/image/line_graph_psite.hh> # include <mln/value/set.hh> -# include <vector> /* FIXME: This class shares a lot with graph_image. Factor as much as possible. */ @@ -57,7 +58,7 @@ namespace mln { - // Fwd decl. + // Forward declaration. template <typename P, typename V> struct line_graph_image; namespace internal @@ -104,11 +105,9 @@ namespace mln // FIXME: Likewise. typedef typename trait::image::space_from_point::ret dimension; - // extended domain + // Extended domain typedef trait::image::ext_domain::none ext_domain; - // FIXME: Is that right? typedef trait::image::ext_value::irrelevant ext_value; - // FIXME: Is that right? typedef trait::image::ext_io::irrelevant ext_io; }; @@ -119,13 +118,11 @@ namespace mln /// /// Values are stored on the edges of the graph. template <typename P, typename V> - struct line_graph_image : - public internal::image_primary<V, p_line_graph, line_graph_image<P, V> > + class line_graph_image + : public internal::image_primary< V, p_line_graph, + line_graph_image<P, V> > { - /// Super type. - typedef mln::internal::image_base< V, p_line_graph, - line_graph_image<P, V> > super_; - + public: /// Value associated type. typedef V value; @@ -143,6 +140,7 @@ namespace mln /// Skeleton. typedef line_graph_image< tag::psite_, tag::value_<V> > skeleton; + public: /// Constructors. /// \{ line_graph_image(); diff --git a/milena/mln/core/image/line_graph_psite.hh b/milena/mln/core/image/line_graph_psite.hh index 6e66436..869a5cf 100644 --- a/milena/mln/core/image/line_graph_psite.hh +++ b/milena/mln/core/image/line_graph_psite.hh @@ -39,6 +39,9 @@ /* FIXME: This class shares a lot with graph_psite. Factor as much as possible. */ +// FIXME: Rename line_graph_psite as p_line_graph_psite, and move this +// to core/site_set. + namespace mln { @@ -47,8 +50,6 @@ namespace mln template <typename P> class p_line_graph; template <typename P> class line_graph_psite; - // FIXME: Rename as line_graph_psite as p_line_graph_psite. - /// \brief Point site associated to a mln::line_graph_image. /// /// \arg \p P The type of the site. @@ -58,7 +59,6 @@ namespace mln line_graph_psite > { typedef line_graph_psite self_; - typedef internal::pseudo_site_base_< P, self_ > super_; public: // This associated type is important to know that this particular @@ -191,12 +191,14 @@ namespace mln line_graph_psite::line_graph_psite() : plg_(0) { + invalidate(); } template <typename P> inline line_graph_psite::line_graph_psite(const p_line_graph& plg, util::edge_id id) + // FIXME: Use change_target instead. : plg_(&plg), id_(id) { @@ -205,11 +207,33 @@ namespace mln template <typename P> inline + bool + line_graph_psite::is_valid() const + { + /* FIXME: Instead of `plg_->gr_->nedges()', we should have + something like `run_->has_edge_id(id_)' (see the implementation of + p_run_psite. */ + return plg_ && id_ < plg_->gr_->nedges(); + } + + template <typename P> + inline + void + line_graph_psite::invalidate() + { + /* FIXME: Instead of `plg_->gr_->nedges()', we should have + something like `run_->has_edge_id(id_)' (see the implementation of + p_run_psite. */ + id_ = plg_->gr_->nedges(); + } + + template <typename P> + inline const p_line_graph& line_graph_psite::site_set() const { - mln_precondition(plg_); - return *plg_; + mln_precondition(target_()); + return *target_(); } template <typename P> @@ -225,45 +249,19 @@ namespace mln void line_graph_psite::change_target(const p_line_graph& new_target) { - plg_ = & new_target; + plg_ = &new_target; invalidate(); } + // FIXME: Write or extend a test to exercise this method. template <typename P> inline const site_pair& line_graph_psite::subj_() { - // FIXME: p_ is not properly updated yet; we shouldn't call this - // method yet. - abort(); return p_; } - - template <typename P> - inline - bool - line_graph_psite::is_valid() const - { - /* FIXME: Instead of `plg_->gr_->nedges()', we should have - something like `run_->has_edge_id(id_)' (see the implementation of - p_run_psite. */ - return plg_ && id_ < plg_->gr_->nedges(); - } - - template <typename P> - inline - void - line_graph_psite::invalidate() - { - /* FIXME: Instead of `plg_->gr_->nedges()', we should have - something like `run_->has_edge_id(id_)' (see the implementation of - p_run_psite. */ - id_ = plg_->gr_->nedges(); - } - - template <typename P> inline util::edge_id @@ -307,7 +305,7 @@ namespace mln P line_graph_psite::first() const { - mln_assertion(is_valid()); + mln_precondition(is_valid()); // FIXME: Too low-level. return plg_->gr_->vertex_data(first_id()); } @@ -317,7 +315,7 @@ namespace mln P line_graph_psite::second() const { - mln_assertion(is_valid()); + mln_precondition(is_valid()); // FIXME: Too low-level. return plg_->gr_->vertex_data(second_id()); } @@ -327,7 +325,7 @@ namespace mln util::vertex_id line_graph_psite::first_id() const { - mln_assertion(is_valid()); + mln_precondition(is_valid()); // FIXME: Too low-level. return plg_->gr_->edge(id_).v1(); } @@ -337,7 +335,7 @@ namespace mln util::vertex_id line_graph_psite::second_id() const { - mln_assertion(is_valid()); + mln_precondition(is_valid()); // FIXME: Too low-level. return plg_->gr_->edge(id_).v2(); } @@ -348,7 +346,7 @@ namespace mln void line_graph_psite::update_() { - mln_assertion(is_valid()); + mln_precondition(is_valid()); p_.pair_.change_both(first(), second()); } @@ -361,7 +359,7 @@ namespace mln bool operator==(const line_graph_psite& lhs, const line_graph_psite& rhs) { - mln_assertion(lhs.target_() == rhs.target_()); + mln_precondition(lhs.target_() == rhs.target_()); return lhs.edge_id() == rhs.edge_id(); } @@ -369,7 +367,7 @@ namespace mln bool operator!=(const line_graph_psite& lhs, const line_graph_psite& rhs) { - mln_assertion(lhs.target_() == rhs.target_()); + mln_precondition(lhs.target_() == rhs.target_()); return lhs.edge_id() != rhs.edge_id(); } @@ -377,7 +375,7 @@ namespace mln bool operator< (const line_graph_psite& lhs, const line_graph_psite& rhs) { - mln_assertion(lhs.target_() == rhs.target_()); + mln_precondition(lhs.target_() == rhs.target_()); return lhs.edge_id() < rhs.edge_id(); } diff --git a/milena/mln/core/site_set/p_line_graph.hh b/milena/mln/core/site_set/p_line_graph.hh index 548b9e2..96b2c93 100644 --- a/milena/mln/core/site_set/p_line_graph.hh +++ b/milena/mln/core/site_set/p_line_graph.hh @@ -28,24 +28,23 @@ #ifndef MLN_CORE_SITE_SET_P_LINE_GRAPH_HH # define MLN_CORE_SITE_SET_P_LINE_GRAPH_HH -# include <mln/util/site_pair.hh> +/// \file mln/core/site_set/p_line_graph.hh +/// \brief Definition of a point set based on line graph. # include <mln/core/concept/point_site.hh> # include <mln/core/internal/site_set_base.hh> -# include <mln/accu/bbox.hh> # include <mln/util/graph.hh> # include <mln/util/tracked_ptr.hh> +# include <mln/util/site_pair.hh> # include <mln/core/image/line_graph_psite.hh> # include <mln/core/site_set/p_line_graph_piter.hh> /* FIXME: This class shares a lot with p_graph. Factor as much as possible. */ -// FIXME: We should move the `adjacent_or_equal method' from -// iterators into this class. +/* FIXME: We should move the `adjacent_or_equal method' from iterators + into this class. */ -/// \file mln/core/site_set/p_line_graph.hh -/// \brief Definition of a point set based on line graph. namespace mln { @@ -53,6 +52,7 @@ namespace mln // Forward declaration. template<typename P> struct p_line_graph; + namespace trait { template <typename P> @@ -66,9 +66,6 @@ namespace mln }; } // end of namespace mln::trait - /* FIXME: Contray to, e.g., p_array, the sole parameter P of - p_line_graph is expected to be a point, not a psite!! We should - have a uniform scheme for point site sets. */ template<typename P> struct p_line_graph @@ -101,15 +98,16 @@ namespace mln /// Backward Site_Iterator associated type. typedef p_line_graph_bkd_piter_ bkd_piter; - /// Forward Site_Iterator associated type. + /// Site_Iterator associated type. typedef fwd_piter piter; /// \} - /// \brief Return The number of points (sites) of the set, i.e., - /// the number of \em edges, since this is a point set based on a - /// line graph. + /// \brief Return The number of sites of the set, i.e., the number + /// of \em edges. /// - /// Required by the mln::Point_Set concept. + /// (Required by the mln::Site_Set concept, since the property + /// trait::site_set::nsites::known of this site set is set to + /// `known'.) /* FIXME: Return type should be std::size_t (see mln/core/concept/site_set.hh). */ unsigned nsites() const; @@ -119,9 +117,6 @@ namespace mln /// Return The number of edges in the graph. std::size_t nedges() const; - /// Give the exact bounding box. - const box& bbox() const; - /// Is this site set valid? bool is_valid() const; @@ -131,6 +126,19 @@ namespace mln // FIXME: Dummy. std::size_t memory_size() const; + /// Accessors. + /// \{ + /// Return the graph associated to the p_graph domain (const + /// version) + const graph& gr() const; + /// Return the graph associated to the p_graph domain (mutable + /// version). + graph& gr(); + /// \} + + // FIXME: These would probably be no longer needed as soon as + // iterators on graphs are available. + /// Adjacency tests. /// \{ /// Return true if the psites \a lhs and \a rhs are adjacent. @@ -148,12 +156,8 @@ namespace mln /// \} // FIXME: Should be private. + /// The graph on which the pset is built. util::tracked_ptr<graph> gr_; - // FIXME: (Roland) Is it really useful/needed? - /* 2007-12-19: It seems so, since graph_image must implement a - method named bbox(). Now the question is: should each image - type have a bounding box? */ - box bb_; }; @@ -182,6 +186,7 @@ namespace mln operator<=(const p_line_graph& lhs, const p_line_graph& rhs); + # ifndef MLN_INCLUDE_ONLY template <typename P> @@ -190,10 +195,6 @@ namespace mln // Create a deep, managed copy of GR. : gr_ (new util::graph(gr)) { - accu::bbox a; - for (unsigned i = 0; i < nvertices(); ++i) - a.take(gr_->vertex_data(i)); - bb_ = a.to_result(); } template <typename P> @@ -222,14 +223,6 @@ namespace mln template <typename P> inline - const box& - p_line_graph::bbox() const - { - return bb_; - } - - template <typename P> - inline bool p_line_graph::is_valid() const { @@ -242,6 +235,7 @@ namespace mln bool p_line_graph::has(const psite& p) const { + mln_precondition(is_valid()); return // Check whether P is compatible with this psite set. (p.target_() == this) && @@ -254,10 +248,26 @@ namespace mln std::size_t p_line_graph::memory_size() const { - // FIXME: Dummy + // FIXME: Dummy; implement (see other site sets). + abort(); return 0; } + template <typename P> + const util::graph& + p_graph::gr() const + { + mln_precondition(is_valid()); + return *gr_.ptr_; + } + + template <typename P> + util::graph& + p_graph::gr() + { + mln_precondition(is_valid()); + return *gr_.ptr_; + } template <typename P> inline @@ -322,6 +332,10 @@ namespace mln } + /*--------------. + | Comparisons. | + `--------------*/ + template <typename P> bool operator==(const p_line_graph& lhs, const p_line_graph& rhs) diff --git a/milena/mln/core/site_set/p_line_graph_piter.hh b/milena/mln/core/site_set/p_line_graph_piter.hh index 4971075..90b8e3c 100644 --- a/milena/mln/core/site_set/p_line_graph_piter.hh +++ b/milena/mln/core/site_set/p_line_graph_piter.hh @@ -28,16 +28,18 @@ #ifndef MLN_CORE_SITE_SET_P_LINE_GRAPH_PITER_HH # define MLN_CORE_SITE_SET_P_LINE_GRAPH_PITER_HH +/// \file mln/core/site_set/p_line_graph_piter.hh +/// \brief Definition of point iterators on line graph-based site set. + # include <mln/core/internal/site_iterator_base.hh> # include <mln/core/site_set/p_line_graph.hh> # include <mln/core/image/line_graph_psite.hh> -/// \file mln/core/site_set/p_line_graph_piter.hh -/// \brief Definition of point iterator on line graph-based point set. namespace mln { - // Fwd decls. + + // Forward declarations. template <typename P> class p_line_graph; template <typename P> class line_graph_psite; @@ -121,11 +123,12 @@ namespace mln /// \} protected: + /// The psite corresponding to this iterator. using super_::p_; }; - /// Print a mln::p_line_graph_bkd_piter_. + /// Print an mln::p_line_graph_bkd_piter_. template <typename P> inline std::ostream& @@ -142,6 +145,7 @@ namespace mln inline p_line_graph_fwd_piter_::p_line_graph_fwd_piter_() { + mln_postcondition(!is_valid()); } template <typename P> @@ -149,6 +153,7 @@ namespace mln p_line_graph_fwd_piter_::p_line_graph_fwd_piter_(const p_line_graph& plg) { this->change_target(plg); + mln_postcondition(!is_valid()); } template <typename P> @@ -201,6 +206,7 @@ namespace mln inline p_line_graph_bkd_piter_::p_line_graph_bkd_piter_() { + mln_postcondition(!is_valid()); } template <typename P> @@ -208,6 +214,7 @@ namespace mln p_line_graph_bkd_piter_::p_line_graph_bkd_piter_(const p_line_graph& plg) { this->change_target(plg); + mln_postcondition(!is_valid()); } template <typename P> -- 1.6.0.1

16 years, 3 months

cleanup-2008 2347: Update median"".

by Nicolas Ballas

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena Index: ChangeLog from Nicolas Ballas <ballas(a)lrde.epita.fr> Update median"". * tests/level/median_.cc: New. * mln/level/median.hh: . * mln/win/rectangle2d.hh: . mln/level/median.hh | 15 ++++++------ mln/win/rectangle2d.hh | 9 ++++--- tests/level/median_.cc | 59 +++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 73 insertions(+), 10 deletions(-) Index: tests/level/median_.cc --- tests/level/median_.cc (revision 0) +++ tests/level/median_.cc (revision 0) @@ -0,0 +1,59 @@ +// Copyright (C) 2007, 2008 EPITA Research and Development Laboratory (LRDE) +// +// 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. + +/*! \file tests/level/median.cc + * + * \brief Test on mln::level::median. + */ + +#include <mln/core/image/image2d.hh> +#include <mln/win/rectangle2d.hh> + +#include <mln/io/pgm/load.hh> +#include <mln/io/pgm/save.hh> + +#include <mln/value/int_u8.hh> +#include <mln/level/median.hh> + +#include "tests/data.hh" + + +int main() +{ + using namespace mln; + using value::int_u8; + + win::rectangle2d rect(5, 5); + border::thickness = 6; + + image2d<int_u8> lena; + io::pgm::load(lena, MLN_IMG_DIR "/lena.pgm"); + image2d<int_u8> out(lena.domain()); + + level::impl::median_(lena, rect, out); + io::pgm::save(out, "out.pgm"); +} Index: mln/level/median.hh --- mln/level/median.hh (revision 2346) +++ mln/level/median.hh (working copy) @@ -1,4 +1,4 @@ -// Copyright (C) 2007 EPITA Research and Development Laboratory +// Copyright (C) 2007, 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 @@ -98,7 +98,7 @@ struct median_t { typedef mln_psite(I) P; - typedef mln_dpsite(I) D; + typedef mln_dpsite(P) D; // i/o @@ -108,10 +108,10 @@ // aux data - accu::median_h<mln_vset(I)> med; + accu::median_h<mln_value(I)> med; P p; window<D> win_fp, win_fm, win_bp, win_bm, win_dp, win_dm; - mln_qiter(W) q_fp, q_fm, q_bp, q_bm, q_dp, q_dm; + mln_qiter(window<D>) q_fp, q_fm, q_bp, q_bm, q_dp, q_dm; // ctor @@ -123,7 +123,7 @@ win(exact(win_)), output(exact(output_)), // aux data - med(input.values_eligible()), + med(), p(), win_fp(set::diff(win, geom::shift(win, left))), win_fm(set::diff(geom::shift(win, left), win)), @@ -196,7 +196,7 @@ // aux data mln_psite(I) p; - accu::median_h<mln_vset(I)> med; + accu::median_h<mln_value(I)> med; // ctor inline @@ -304,7 +304,8 @@ trace::entering("level::median_dir"); mlc_is(mln_trait_image_value_io(O), trait::image::value_io::read_write)::check(); - mlc_is(mln_trait_image_support(I), trait::image::support::aligned)::check(); + mlc_is(mln_trait_image_localization(I), + trait::image::localization::basic_grid)::check(); mlc_converts_to(mln_value(I), mln_value(O))::check(); mln_precondition(exact(output).domain() == exact(input).domain()); Index: mln/win/rectangle2d.hh --- mln/win/rectangle2d.hh (revision 2346) +++ mln/win/rectangle2d.hh (working copy) @@ -38,6 +38,7 @@ # include <mln/core/internal/window_base.hh> # include <mln/core/internal/dpoints_base.hh> # include <mln/core/alias/dpoint2d.hh> +# include <mln/core/def/coord.hh> namespace mln @@ -131,9 +132,11 @@ width_(width) { mln_precondition(height % 2 == 1 && width % 2 == 1); - const int drow = height / 2, dcol = width / 2; - for (int row = - drow; row <= drow; ++row) - for (int col = - dcol; col <= dcol; ++col) + const def::coord drow = (def::coord) (height / 2); + const def::coord dcol = (def::coord) (width / 2); + + for (def::coord row = (def::coord) -drow; row <= drow; ++row) + for (def::coord col = (def::coord) -dcol; col <= dcol; ++col) this->insert(dpoint2d(row, col)); }

16 years, 3 months

cleanup-2008 r2346: Update tutorial

by Guillaume Lazzara

URL: https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena ChangeLog: 2008-09-22 Guillaume Lazzara <z(a)lrde.epita.fr> Update tutorial. * tutorial.tex: Add sections about values and differences between sites and psites. --- tutorial.tex | 175 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 169 insertions(+), 6 deletions(-) Index: branches/cleanup-2008/milena/doc/tutorial/tutorial.tex =================================================================== --- branches/cleanup-2008/milena/doc/tutorial/tutorial.tex (revision 2345) +++ branches/cleanup-2008/milena/doc/tutorial/tutorial.tex (revision 2346) @@ -186,10 +186,10 @@ An image is composed both of: \begin{itemize} \item A function $$ -f : \left\{ +ima : \left\{ \begin{array}{lll} Site &\rightarrow & Value \\ - p & \mapsto & v + p & \mapsto & ima(p) \end{array} \right. $$ @@ -212,8 +212,31 @@ ici, site <=> Point2d -[sample code] +\section{About value, rvalue and lvalue} +Image types provide a method to access values, namely "operator() const". +Yet, its signature is NOT "value operator()(const site\& p) const" +but "rvalue operator()(const psite\& p) const" + +For instance, with I being image2d$<$int\_u8$>$, we have : + + I::value == int\_u8 but I::rvalue == const int\_u8\& + +so copying the value when the call "f(p)" returns is avoided. +In that case, it is a low-level implementation issue that makes rvalue +be different from value. In some other cases, the difference can be +more fundamental. For instance, a proxy is returned so that some extra +code is performed if this value is eventually read. + +Likewise, lvalue is also used as return type for methods such as "operator()". +The difference is that lvalue allows the data to be modified. + +With I being image2d$<$int\_u8$>$, we have : + + I::value == int\_u8 but I::lvalue == int\_u8\& + + +\section{Sample code} In order to create a 2D image, you have two possibilites: \begin{lstlisting}[frame=single] // which builds an empty image; @@ -333,13 +356,14 @@ \end{itemize} + \subsection{Interface} \begin{tabular}{|l|l|l|l|p{4cm}|} \hline Return Type & Name & Arguments & Const & Comments \\ \hline -site\_set & domain & - & X - & \\ \hline +I::pvset & domain & - & X - & \\ \hline const Value\& & operator() & const point\& p & X & Used for reading. \\ \hline Value\& & operator() & const point\& p & - & Used for writing. \\ \hline const P\& & at & unsigned x, @@ -349,7 +373,7 @@ bool & has & const Point\& p & X & \\ \hline bool & has\_data & - & X & Returns true if the domain is defined. \\ \hline site\_id & id & - & X & Return the Id of the underlying shared data. \\ \hline -FIXME & destination & - & X & Value set of all the possible site values in this +I::vset & destination & - & X & Value set of all the possible site values in this Image. \\ \hline site\_set & bbox & - & - & Returns the bounding box of the domain. \\ \hline site\_set & bbox\_large & - & - & Returns the bouding box of the domain and the @@ -368,9 +392,143 @@ + +\chapter{Sites and psites} + +\section{Need for site} + +As we have seen before, an image is defined on a grid. It has associated +data and a site set which defines the domain of the image on that grid. +Usually, we need to access a value by its coordinates. With default images it +can be done easily, at no cost. + +Example with an image2d: + +\begin{lstlisting}[frame=single] + c 0 1 2 3 + r + +-+-+-+-+ + 0 | |x| | | + +-+-+-+-+ + 1 | | | | | + +-+-+-+-+ +\end{lstlisting} + +The site x is the point (0, 1). The image values are stored in a +multi-dimensional array. The point coordinates can be used directly. The site +(0, 1) \textbf{is} the point (0, 1) and the data is stored at row 0 and column +1. + +Here we have: + + I::site == I::psite == point2d + +where, roughly, point2d = \{ row, column \}. + +\section{Need for psite} + +Sometimes, accessing a value in constant-time complexity, O(1), is not +possible with a site object. + +Let's have a small example. Define a function returning a value for a given +point: + +\begin{lstlisting}[frame=single] + unsigned my_values(const point2d& p) + { + if (p.row() == 0) + return 8; + return 9; + } +\end{lstlisting} +So, for each point having (0, x) as coordinate, this function will return 8, +otherwise it will be 9. + +Then, define a p\_array with few point2d: + +\begin{lstlisting}[frame=single] + p_array<point2d> arr; + arr.append(point2d(3, 6)); + arr.append(point2d(3, 7)); + arr.append(point2d(3, 8)); + arr.append(point2d(4, 8)); + arr.append(point2d(4, 9)); +\end{lstlisting} + +Now, create a point-wise image from this function and this p\_array: +\begin{lstlisting}[frame=single] + mln_VAR(ima, my_values | arr); +\end{lstlisting} + +Ima is actually that image: +\begin{lstlisting}[frame=single] + c 6 7 8 9 + r + +-+-+-+ + 3 | |x| | + +-+-+-+-+ + 4 | | | + +-+-+ +\end{lstlisting} + +However, in memory, since it is based on a p\_array, values are stored in a +vector. + +The site x is the point (3, 7). The image values are stored in a +vector where the index is the offset of the cell from the beginning of the +vector. The site x thus corresponds to the cell 1. + + +\begin{lstlisting}[frame=single] +arr[] = 0 1 2 3 4 + +-+-+-+-+-+ + | |x| | | | + +-+-+-+-+-+ +\end{lstlisting} + +Obviously, from the site coordinates, we cannot access the associated data in +constant-time. That's why we need a different mechanism in order to access +this data: the psites. + +Here we have: + + I::site == point2d but I::psite == pseudo\_site$<$point2d$>$ + +where, roughly, pseudo\_site$<$point2d$>$ = \{ i\_in\_p\_array, p\_array\_ptr +\}. + +Psites contains all the needed information to access the values in +constant-time. + +\section{From psite to site} + +In the last example there was an image of type I such as I::site != I::psite. +In that case, an object of type I::psite is actually convertible towards an +object of type I::site. Furthermore, a psite shall behave as if it was a +site. + +Design note: it seems impossible to offer through the interface of +some psite what is expected from its corresponding site. For instance, when a +site has a given feature, say a method "m", then this +method has to appear in the psite interface. However, thanks to +inheritance, we fetch an interface and an implementation that delegates +to the site. + +For instance, in the last example, I::psite has a method ::row() because +I::site, point2d, provides such a method. + +How it works: a psite inherits from internal::site\_impl$<$site$>$ which is +specialized for every site type; for instance, internal::site\_impl$<$point2d$>$ +owns the method "coord row() const" which is defined as +"return exact(this)->to\_site().row()" + + \chapter{Iterators} Each container object in Olena like site sets or images have iterators. +The iteration mechanism for images is directly derived from the mechanism +for site set. + There are usually three kinds: \begin{itemize} \item \textbf{fwd\_iter}, depends on the container, @@ -378,6 +536,10 @@ \item \textbf{iter}, usually the same as fwd\_iter. It is guaranteed to iterate all over the elements. \end{itemize} +Every iterable object have these three kinds of iterator. There are all +bidirectional containers. +Whatever the iterator used, the basic iterator has the only property of +browsing every site once. The iterator type name depends on the data pointed by it: \\ @@ -700,6 +862,7 @@ } \end{lstlisting} + \chapter{Graphes and images} \section{Description} Olena enables the possibility of using graphes with images. @@ -875,6 +1038,6 @@ } \end{lstlisting} -//FIXME talk about p_vertices and p_edges. +//FIXME talk about p\_vertices and p\_edges. \end{document} \ No newline at end of file

16 years, 3 months

cleanup-2008 2345: Update test on extension fill.

by Thierry Geraud

https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008 Index: ChangeLog from Thierry Geraud <thierry.geraud(a)lrde.epita.fr> Update test on extension fill. * milena/tests/extension/fill.cc (println_with_border): Remove. Use 'extended' instead. * milena/mln/core/image/extended.hh: Fix missing arg name. mln/core/image/extended.hh | 2 +- tests/extension/fill.cc | 17 ++++++++++++----- 2 files changed, 13 insertions(+), 6 deletions(-) Index: milena/tests/extension/fill.cc --- milena/tests/extension/fill.cc (revision 2344) +++ milena/tests/extension/fill.cc (working copy) @@ -31,9 +31,12 @@ */ #include <mln/core/image/image2d.hh> +#include <mln/core/image/extended.hh> #include <mln/extension/fill.hh> -#include <mln/value/int_u8.hh> -#include <mln/debug/println_with_border.hh> + +#include <mln/level/fill.hh> +#include <mln/debug/println.hh> + int main() { @@ -41,8 +44,12 @@ const unsigned border = 2; - image2d<value::int_u8> ima(3, 3, border); - extension::fill(ima, 42); + image2d<unsigned> ima(3, 3, border); + + level::fill(ima, 0); + extension::fill(ima, 9); - debug::println_with_border(ima); + box2d b = ima.bbox(); + b.enlarge(border); + debug::println(extended_to(ima, b)); } Index: milena/mln/core/image/extended.hh --- milena/mln/core/image/extended.hh (revision 2344) +++ milena/mln/core/image/extended.hh (working copy) @@ -104,7 +104,7 @@ extended(); /// Constructor. - extended(I& ima, const box<mln_site(I)>& ); + extended(I& ima, const box<mln_site(I)>& b); /// Initialization. void init_(I& ima, const box<mln_site(I)>& b);

16 years, 3 months

milena r2344: Add snake_vert browsing canvas

by Matthieu Garrigues

URL: https://svn.lrde.epita.fr/svn/oln/branches/cleanup-2008/milena ChangeLog: 2008-09-22 Matthieu Garrigues <garrigues(a)lrde.epita.fr> Add snake_vert browsing canvas. * mln/canvas/browsing/snake_vert.hh: New, snake vert browsing canvas. This canvas browse all the point of an image 'input' like this : 1 4 5 || /\ || || || || \/ || \/ 2 3 6 * tests/canvas/browsing/Makefile.am: Add snake_vert test. * tests/canvas/browsing/snake_vert.cc: New. The test. * mln/canvas/browsing/snake_fwd.hh: Desactivate check of dimension. --- mln/canvas/browsing/snake_fwd.hh | 8 + mln/canvas/browsing/snake_vert.hh | 166 ++++++++++++++++++++++++++++++++++++ tests/canvas/browsing/Makefile.am | 2 tests/canvas/browsing/snake_vert.cc | 96 ++++++++++++++++++++ 4 files changed, 269 insertions(+), 3 deletions(-) Index: branches/cleanup-2008/milena/tests/canvas/browsing/snake_vert.cc =================================================================== --- branches/cleanup-2008/milena/tests/canvas/browsing/snake_vert.cc (revision 0) +++ branches/cleanup-2008/milena/tests/canvas/browsing/snake_vert.cc (revision 2344) @@ -0,0 +1,96 @@ +// 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. + +/*! \file tests/canvas/browsing/snake_vert.cc + * + * \brief Tests on mln::canvas::browsing::snake_vert. + */ + +#include <mln/core/image/image2d.hh> +#include <mln/canvas/browsing/snake_vert.hh> +#include <mln/fun/p2v/iota.hh> +#include <mln/debug/println.hh> + +// FIXME: Move code below into mln/canvas/browsing/iota.hh. + + +template <typename I, typename F> +struct assign_browsing_functor +{ + enum { dim = I::site::dim }; + + + I input; + F f; + + assign_browsing_functor(I& input, F f = F()) + : input(input), + f(f) + {} + + mln_psite(I) p; + + void init() {} + void final() {} + void next() + { + input(p) = f(p); +// mln_assertion(input(p) - 1 == p[0] * input.domain().ncols() +// + ( (p[0] % 2) ? input.domain().ncols() - 1 - p[1] : p[1])); + } + void fwd() { next(); } + void up() { next(); } + void down() { next(); } +}; + +namespace mln +{ + + template <typename I, typename F, typename B> + void my_test(Image& ima_, + const Function_p2v<F>& f_, + const Browsing& browse_) + { + I& ima = exact(ima_); + const F& f = exact(f_); + const B& browse = exact(browse_); + + assign_browsing_functor<I, F> fun(ima, f); + browse(fun); + } + +} + + +int main() +{ + using namespace mln; + image2d<unsigned> ima2(2, 7); + + my_test(ima2, fun::p2v::iota, canvas::browsing::snake_vert); + debug::println(ima2); +} Index: branches/cleanup-2008/milena/tests/canvas/browsing/Makefile.am =================================================================== --- branches/cleanup-2008/milena/tests/canvas/browsing/Makefile.am (revision 2343) +++ branches/cleanup-2008/milena/tests/canvas/browsing/Makefile.am (revision 2344) @@ -5,11 +5,13 @@ check_PROGRAMS = \ fwd \ snake_fwd \ + snake_vert \ directional \ dir_struct_elt_incr_update fwd_SOURCES = fwd.cc snake_fwd_SOURCES = snake_fwd.cc +snake_vert_SOURCES = snake_vert.cc directional_SOURCES = directional.cc dir_struct_elt_incr_update_SOURCES = dir_struct_elt_incr_update.cc Index: branches/cleanup-2008/milena/mln/canvas/browsing/snake_fwd.hh =================================================================== --- branches/cleanup-2008/milena/mln/canvas/browsing/snake_fwd.hh (revision 2343) +++ branches/cleanup-2008/milena/mln/canvas/browsing/snake_fwd.hh (revision 2344) @@ -101,7 +101,9 @@ void snake_fwd_t::operator()(F& f) const { - // FIXME: Check the dimension (2D) or generalize. + // Fixme: check the dimension of the input +// mlc_equal(mln_trait_image_dimension(I)(), +// trait::image::dimension::two_d)::check(); trace::entering("canvas::browsing::snake_fwd"); mln_precondition(f.input.has_data()); int @@ -141,9 +143,9 @@ while (col > min_col) { --col; - trace::entering("canvas::browsing::snake_fwd"); + trace::entering("canvas::browsing::snake_fwd::bkd"); f.bkd(); - trace::exiting("canvas::browsing::snake_fwd"); + trace::exiting("canvas::browsing::snake_fwd::bkd"); } // change browsing Index: branches/cleanup-2008/milena/mln/canvas/browsing/snake_vert.hh =================================================================== --- branches/cleanup-2008/milena/mln/canvas/browsing/snake_vert.hh (revision 0) +++ branches/cleanup-2008/milena/mln/canvas/browsing/snake_vert.hh (revision 2344) @@ -0,0 +1,166 @@ +// 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_CANVAS_BROWSING_SNAKE_VERT_HH +# define MLN_CANVAS_BROWSING_SNAKE_VERT_HH + +/*! \file mln/canvas/browsing/snake_vert.hh + * + * \brief Browsing in a snake-way, forward. + */ + +# include <mln/core/concept/browsing.hh> +# include <mln/geom/size2d.hh> + + +namespace mln +{ + + namespace canvas + { + + namespace browsing + { + + /*! + * \brief Browsing in a snake-way, forward. + * + * This canvas browse all the point of an image 'input' like + * this : + * + * | /\ | + * | | | + * \/ | \/ + * + * The fonctor should provide (In addition to 'input') four + * methods : + * + * - init() : Will be called at the beginning. + * - down() : Will be called after each moving down. + * - up() : Will ba called after each moving up. + * - fwd() : Will be called after each moving right. (will + * also be called once at the first point). + * + * This methods should acces to the current working point 'p' + * also provided by the functor. + * + * Warning: This canvas works only on 2D. + * + * F shall feature: \n + * { \n + * --- as attributes: \n + * input; \n + * p; \n + * --- as methods: \n + * void init(); \n + * void down(); \n + * void up(); \n + * void fwd(); \n + * } \n + * + */ + + struct snake_vert_t : public Browsing< snake_vert_t > + { + template <typename F> + void operator()(F& f) const; + } + + snake_vert; + + + +# ifndef MLN_INCLUDE_ONLY + + template <typename F> + inline + void + snake_vert_t::operator()(F& f) const + { + // Fixme: check the dimension of the input +// mlc_equal(mln_trait_image_dimension(I)(), +// trait::image::dimension::two_d)::check(); + trace::entering("canvas::browsing::snake_vert"); + mln_precondition(f.input.has_data()); + int + min_row = geom::min_row(f.input), max_row = geom::max_row(f.input), + min_col = geom::min_col(f.input), max_col = geom::max_col(f.input); + + // p + f.p = f.input.bbox().pmin(); + def::coord& row = f.p.row(); + def::coord& col = f.p.col(); + + // initialization + trace::entering("canvas::browsing::snake_vert::init"); + f.init(); + trace::exiting("canvas::browsing::snake_vert::init"); + + bool down = true; + for (col = min_col; col <= max_col; ++col) + // FIXME: Add "if (f.input.has(p))"? + { + // go fwd + trace::entering("canvas::browsing::snake_vert::init"); + f.fwd(); + trace::exiting("canvas::browsing::snake_vert::init"); + + if (down) + // browse col down. + while (row < max_row) + { + ++row; + trace::entering("canvas::browsing::snake_vert::down"); + f.down(); + trace::exiting("canvas::browsing::snake_vert::down"); + } + else + // browse col up. + while (row > min_row) + { + --row; + trace::entering("canvas::browsing::snake_vert::up"); + f.up(); + trace::exiting("canvas::browsing::snake_vert::up"); + } + + // change browsing + down = ! down; + } + trace::exiting("canvas::browsing::snake_vert"); + } + +# endif // ! MLN_INCLUDE_ONLY + + } // end of namespace mln::canvas::browsing + + } // end of namespace mln::canvas + +} // end of namespace mln + + +#endif // ! MLN_CANVAS_BROWSING_SNAKE_VERT_HH

16 years, 3 months

scool r92: Use CxxId in the pretty-printer

by Maxime van Noppen

URL: https://svn.lrde.epita.fr/svn/scool/branches/scool-ng ChangeLog: 2008-09-19 Maxime van Noppen <yabo(a)lrde.epita.fr> Use CxxId in the pretty-printer * pp-cxx/CxxExp.str, * pp-cxx/CxxType.str: Use CxxId instead of a string litteral. CxxExp.str | 10 ++++++---- CxxType.str | 2 +- 2 files changed, 7 insertions(+), 5 deletions(-) Index: branches/scool-ng/src/pp-cxx/CxxExp.str =================================================================== --- branches/scool-ng/src/pp-cxx/CxxExp.str (revision 91) +++ branches/scool-ng/src/pp-cxx/CxxExp.str (revision 92) @@ -26,14 +26,11 @@ CxxAssign(idf, exp) -> <concat-strings> [idf, " = ", <CxxExpToStr> exp] CxxExpToStr: - CxxFunCall([], idf, args) -> <concat-strings> [ idf, "(", <CxxArgListToStr> args, ")" ] + CxxFunCall([], CxxId(idf), args) -> <concat-strings> [ idf, "(", <CxxArgListToStr> args, ")" ] CxxExpToStr: CxxProgram(exp) -> exp - CxxExpToAbox: - CxxAdressOf(idf) -> H hs=0 [ "&" ~<CxxIdToAbox> idf ] - CxxExpToStr: x -> x where <is-string> x @@ -41,6 +38,11 @@ CxxExpToStr: CxxId(idf) -> idf + + + CxxExpToAbox: + CxxAdressOf(idf) -> H hs=0 [ "&" ~<CxxIdToAbox> idf ] + CxxExpToAbox: x -> S(<CxxExpToStr> x) Index: branches/scool-ng/src/pp-cxx/CxxType.str =================================================================== --- branches/scool-ng/src/pp-cxx/CxxType.str (revision 91) +++ branches/scool-ng/src/pp-cxx/CxxType.str (revision 92) @@ -23,7 +23,7 @@ Typename -> S("typename") CxxTypeToAbox: - CxxFunCall([], idf, args) -> H hs=0 [ ~<CxxIdToAbox>idf "(" H hs=1 [ ~*<CxxListToAbox(CxxTypeToAbox <+ CxxExpToAbox|",")>args ] ")"] + CxxFunCall([], CxxId(idf), args) -> H hs=0 [ ~<CxxIdToAbox>idf "(" H hs=1 [ ~*<CxxListToAbox(CxxTypeToAbox <+ CxxExpToAbox|",")>args ] ")"] CxxTypeToAbox: CxxScope(idf1, idf2) -> H hs=0 [ ~<CxxTypeToAbox> idf1 "::" ~<CxxIdToAbox> idf2 ] -- \__/ \__/ (00) Maxime `yabo` van Noppen (00) ___) \ Epita 2009 / (___ (_____/ \_____)

16 years, 3 months

← Newer
1
...
13
14
15
16
17
18
19
...
36
Older →

Jump to page:

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

Olena-patches September 2008