[Olena-patches] 2935: Add new from_to overloads.

* mln/convert/from_to.hxx: add new definitions. * mln/core/concept/accumulator.hh: add default from_to. * mln/labeling/compute.hh: use from_to. * mln/util/array.hh: add from_to(array<T1>, array<T2>). --- milena/ChangeLog | 12 ++++ milena/mln/convert/from_to.hxx | 12 ++++ milena/mln/core/concept/accumulator.hh | 58 +++++++++++++---- milena/mln/labeling/compute.hh | 113 +++++++++++++++----------------- milena/mln/util/array.hh | 51 ++++++++++++++- 5 files changed, 171 insertions(+), 75 deletions(-) diff --git a/milena/ChangeLog b/milena/ChangeLog index 7c72bd2..7831512 100644 --- a/milena/ChangeLog +++ b/milena/ChangeLog @@ -1,5 +1,17 @@ 2008-11-20 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + Add new from_to overloads. + + * mln/convert/from_to.hxx: add new definitions. + + * mln/core/concept/accumulator.hh: add default from_to. + + * mln/labeling/compute.hh: use from_to. + + * mln/util/array.hh: add from_to(array<T1>, array<T2>). + +2008-11-20 Guillaume Lazzara &lt;z(a)lrde.epita.fr&gt; + Cleanup various files. * doc/examples/mk_graph.cc: use int_u16 instead of int_u8. diff --git a/milena/mln/convert/from_to.hxx b/milena/mln/convert/from_to.hxx index 1876401..9dbd0c8 100644 --- a/milena/mln/convert/from_to.hxx +++ b/milena/mln/convert/from_to.hxx @@ -45,6 +45,7 @@ namespace mln // Forward declarations. + template <typename E> struct Accumulator; template <typename E> struct Gdpoint; template <typename E> struct Gpoint; template <typename E> struct Image; @@ -230,6 +231,17 @@ namespace mln void from_to(const std::vector<T>& from, fun::i2v::array<T>& to); + // util::array<T1> -> util::array<T2> + template <typename T1, typename T2> + void + from_to(const util::array<T1>& from, util::array<T2>& to); + + + // Accumulator<A> -> mln_result(A) + template <typename A> + void + from_to(const Accumulator<A>& from, mln_result(A)& to); + } // end of namespace mln::convert } // end of namespace mln diff --git a/milena/mln/core/concept/accumulator.hh b/milena/mln/core/concept/accumulator.hh index a4f4c74..5fcbf29 100644 --- a/milena/mln/core/concept/accumulator.hh +++ b/milena/mln/core/concept/accumulator.hh @@ -1,4 +1,5 @@ // 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 @@ -28,10 +29,9 @@ #ifndef MLN_CORE_CONCEPT_ACCUMULATOR_HH # define MLN_CORE_CONCEPT_ACCUMULATOR_HH -/*! \file mln/core/concept/accumulator.hh - * - * \brief Definition of the concept of mln::Accumulator. - */ +/// \file mln/core/concept/accumulator.hh +/// +/// Definition of the concept of mln::Accumulator. # include <mln/core/concept/proxy.hh> # include <mln/metal/fix_return.hh> @@ -41,9 +41,20 @@ namespace mln { - // Fwd decl. + // Forward declaration. template <typename E> struct Accumulator; + + namespace convert + { + + template <typename A> + void + from_to(const Accumulator<A>& from, mln_result(A)& to); + + } // end of namespace mln::convert + + // Accumulator category flag type. template <> struct Accumulator<void> @@ -53,13 +64,13 @@ namespace mln - /*! \brief Base class for implementation of accumulators. - * - * The parameter \a E is the exact type. - * - * \see mln::doc::Accumulator for a complete documentation of this - * class contents. - */ + /// \brief Base class for implementation of accumulators. + /// + /// The parameter \a E is the exact type. + /// + /// \see mln::doc::Accumulator for a complete documentation of this + /// class contents. + /// template <typename E> struct Accumulator : public Proxy<E> { @@ -91,6 +102,29 @@ namespace mln # ifndef MLN_INCLUDE_ONLY + + // convert::from_to + + namespace convert + { + + template <typename A> + void + from_to(const Accumulator<A>& from_, mln_result(A)& to) + { + const A& from = exact(from_); + if (from.is_valid()) + to = from.to_result(); + else + to = mln_result(A)(); + } + + } // end of namespace mln::convert + + + + // Accumulator<E> + template <typename E> inline Accumulator<E>::Accumulator() diff --git a/milena/mln/labeling/compute.hh b/milena/mln/labeling/compute.hh index 1206c3d..6233979 100644 --- a/milena/mln/labeling/compute.hh +++ b/milena/mln/labeling/compute.hh @@ -37,6 +37,7 @@ # include <mln/core/concept/accumulator.hh> # include <mln/core/concept/meta_accumulator.hh> # include <mln/util/array.hh> +# include <mln/convert/to.hh> namespace mln @@ -55,12 +56,12 @@ namespace mln /// \return A mln::p_array of accumulator result. One result per component in /// \p label. /// - template <typename A, typename I, typename J> + template <typename A, typename I, typename L> util::array<mln_result(A)> compute(const Accumulator<A>& a, const Image<I>& input, - const Image<J>& label, - const mln_value(J)& nlabels); + const Image<L>& label, + const mln_value(L)& nlabels); /// Compute an accumulator onto the pixel values of the image \p input. /// for each component of the image \p label. @@ -72,12 +73,12 @@ namespace mln /// \return A mln::p_array of accumulator result. One result per component in /// \p label. /// - template <typename A, typename I, typename J> + template <typename A, typename I, typename L> util::array<mln_accu_with(A, mln_value(I))::result> compute(const Meta_Accumulator<A>& a, const Image<I>& input, - const Image<J>& label, - const mln_value(J)& nlabels); + const Image<L>& label, + const mln_value(L)& nlabels); /// Compute an accumulator onto the pixel sites of each component domain of /// \p label. @@ -88,11 +89,11 @@ namespace mln /// \return A mln::p_array of accumulator result. One result per component in /// \p label. /// - template <typename A, typename J> + template <typename A, typename L> util::array<mln_result(A)> compute(const Accumulator<A>& a, - const Image<J>& label, - const mln_value(J)& nlabels); + const Image<L>& label, + const mln_value(L)& nlabels); /// Compute an accumulator onto the pixel sites of each component domain of /// \p label. @@ -103,11 +104,11 @@ namespace mln /// \return A mln::p_array of accumulator result. One result per component in /// \p label. /// - template <typename A, typename J> - util::array<mln_accu_with(A, mln_psite(J))::result> + template <typename A, typename L> + util::array<mln_accu_with(A, mln_psite(L))::result> compute(const Meta_Accumulator<A>& a, - const Image<J>& label, - const mln_value(J)& nlabels); + const Image<L>& label, + const mln_value(L)& nlabels); @@ -116,12 +117,12 @@ namespace mln namespace internal { - template <typename A, typename J> + template <typename A, typename L> inline void compute_tests(const Accumulator<A>& a, - const Image<J>& label, - const mln_value(J)& nlabels) + const Image<L>& label, + const mln_value(L)& nlabels) { mln_precondition(exact(label).has_data()); (void) a; @@ -130,13 +131,13 @@ namespace mln } - template <typename A, typename I, typename J> + template <typename A, typename I, typename L> inline void compute_tests(const Accumulator<A>& a, const Image<I>& input, - const Image<J>& label, - const mln_value(J)& nlabels) + const Image<L>& label, + const mln_value(L)& nlabels) { mln_precondition(exact(input).has_data()); mln_precondition(exact(label).has_data()); @@ -157,49 +158,44 @@ namespace mln namespace generic { - template <typename A, typename J> + template <typename A, typename L> inline util::array<mln_result(A)> compute(const Accumulator<A>& a_, - const Image<J>& label_, - const mln_value(J)& nlabels) + const Image<L>& label_, + const mln_value(L)& nlabels) { trace::entering("labeling::impl::generic::compute"); internal::compute_tests(a_, label_, nlabels); const A& a = exact(a_); - const J& label = exact(label_); + const L& label = exact(label_); util::array<A> accus(nlabels + 1, a); - mln_piter(J) p(label.domain()); + mln_piter(L) p(label.domain()); for_all(p) accus[label(p)].take(p); - util::array<mln_result(A)> arr(nlabels + 1); - for (unsigned i = 0; i < accus.nelements(); ++i) - if (accus[i].is_valid()) - arr[i] = accus[i]; - trace::exiting("labeling::impl::generic::compute"); - return arr; + return convert::to< util::array<mln_result(A)> >(accus); } - template <typename A, typename I, typename J> + template <typename A, typename I, typename L> inline util::array<mln_result(A)> compute(const Accumulator<A>& a_, const Image<I>& input_, - const Image<J>& label_, - const mln_value(J)& nlabels) + const Image<L>& label_, + const mln_value(L)& nlabels) { trace::entering("labeling::impl::generic::compute"); internal::compute_tests(a_, input_, label_, nlabels); const A& a = exact(a_); const I& input = exact(input_); - const J& label = exact(label_); + const L& label = exact(label_); util::array<A> accus (nlabels + 1, a); @@ -207,13 +203,8 @@ namespace mln for_all(p) accus[label(p)].take(input(p)); - util::array<mln_result(A)> res(nlabels + 1); - for (unsigned i = 0; i < accus.nelements(); ++i) - if (accus[i].is_valid()) - res[i] = accus[i]; - trace::exiting("labeling::impl::generic::compute"); - return res; + return convert::to< util::array<mln_result(A)> >(accus); } } // end of namespace mln::labeling::impl::internal @@ -225,24 +216,24 @@ namespace mln namespace internal { - template <typename A, typename J> + template <typename A, typename L> inline util::array<mln_result(A)> compute_dispatch(const Accumulator<A>& a, - const Image<J>& label, - const mln_value(J)& nlabels) + const Image<L>& label, + const mln_value(L)& nlabels) { return impl::generic::compute(a, label, nlabels); } - template <typename A, typename I, typename J> + template <typename A, typename I, typename L> inline util::array<mln_result(A)> compute_dispatch(const Accumulator<A>& a, const Image<I>& input, - const Image<J>& label, - const mln_value(J)& nlabels) + const Image<L>& label, + const mln_value(L)& nlabels) { return impl::generic::compute(a, input, label, nlabels); } @@ -253,13 +244,13 @@ namespace mln /// Facades. - template <typename A, typename I, typename J> + template <typename A, typename I, typename L> inline util::array<mln_result(A)> compute(const Accumulator<A>& a, const Image<I>& input, - const Image<J>& label, - const mln_value(J)& nlabels) + const Image<L>& label, + const mln_value(L)& nlabels) { trace::entering("labeling::compute"); @@ -272,13 +263,13 @@ namespace mln return res; } - template <typename A, typename I, typename J> + template <typename A, typename I, typename L> inline util::array<mln_accu_with(A, mln_value(I))::result> compute(const Meta_Accumulator<A>& a, const Image<I>& input, - const Image<J>& label, - const mln_value(J)& nlabels) + const Image<L>& label, + const mln_value(L)& nlabels) { typedef mln_accu_with(A, mln_value(I)) A_; A_ a_ = accu::unmeta(exact(a), mln_value(I)()); @@ -287,12 +278,12 @@ namespace mln } - template <typename A, typename J> + template <typename A, typename L> inline util::array<mln_result(A)> compute(const Accumulator<A>& a, - const Image<J>& label, - const mln_value(J)& nlabels) + const Image<L>& label, + const mln_value(L)& nlabels) { trace::entering("labeling::compute"); @@ -306,15 +297,15 @@ namespace mln } - template <typename A, typename J> + template <typename A, typename L> inline - util::array<mln_accu_with(A, mln_psite(J))::result> + util::array<mln_accu_with(A, mln_psite(L))::result> compute(const Meta_Accumulator<A>& a, - const Image<J>& label, - const mln_value(J)& nlabels) + const Image<L>& label, + const mln_value(L)& nlabels) { - typedef mln_accu_with(A, mln_psite(J)) A_; - A_ a_ = accu::unmeta(exact(a), mln_psite(J)()); + typedef mln_accu_with(A, mln_psite(L)) A_; + A_ a_ = accu::unmeta(exact(a), mln_psite(L)()); return internal::compute_dispatch(a_, label, nlabels); } diff --git a/milena/mln/util/array.hh b/milena/mln/util/array.hh index 9658919..b5e2534 100644 --- a/milena/mln/util/array.hh +++ b/milena/mln/util/array.hh @@ -49,6 +49,28 @@ namespace mln namespace util { + /// Forward declaration. + template <typename T> + class array; + + } // end of namespace mln::util + + + + namespace convert + { + + template <typename T1, typename T2> + void + from_to(const util::array<T1>& from, util::array<T2>& to); + + } // end of namespace mln::convert + + + + namespace util + { + // Forward declarations. template <typename T> class array_fwd_iter; template <typename T> class array_bkd_iter; @@ -239,10 +261,33 @@ namespace mln const array<T>* a_; }; + } // end of namespace mln::util + # ifndef MLN_INCLUDE_ONLY + + // convert::from_to + + namespace convert + { + + template <typename T1, typename T2> + void + from_to(const util::array<T1>& from, util::array<T2>& to) + { + to.resize(from.nelements()); + for (unsigned i = 0; i < from.nelements(); ++i) + from_to(from[i], to[i]); + } + + } // end of namespace mln::convert + + + namespace util + { + // util::array<T> @@ -576,11 +621,13 @@ namespace mln return ostr; } + } // end of namespace mln::util + + # endif // ! MLN_INCLUDE_ONLY - } // end of namespace mln::util -} // end of namespace mln +} // end of namespace mln #endif // ! MLN_UTIL_ARRAY_HH -- 1.5.6.5