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accu/internal/couple.hh
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// Copyright (C) 2009, 2012 EPITA Research and Development Laboratory
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// (LRDE)
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//
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// This file is part of Olena.
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//
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// Olena is free software: you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation, version 2 of the License.
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//
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// Olena is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Olena. If not, see <http://www.gnu.org/licenses/>.
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//
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// As a special exception, you may use this file as part of a free
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// software project without restriction. Specifically, if other files
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// instantiate templates or use macros or inline functions from this
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// file, or you compile this file and link it with other files to produce
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// an executable, this file does not by itself cause the resulting
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// executable to be covered by the GNU General Public License. This
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// exception does not however invalidate any other reasons why the
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// executable file might be covered by the GNU General Public License.
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#ifndef MLN_ACCU_INTERNAL_COUPLE_HH
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# define MLN_ACCU_INTERNAL_COUPLE_HH
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# include <utility>
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# include <mln/core/concept/accumulator.hh>
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# include <mln/accu/internal/base.hh>
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# include <mln/metal/equal.hh>
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namespace
mln
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{
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namespace
accu
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{
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namespace
internal
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{
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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class
couple
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:
public
base
<R,E>,
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public
mlc_equal(mln_argument(A1), mln_argument(A2))::check_t
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{
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public
:
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typedef
mln_argument
(A1) argument;
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void
init
();
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void
take_as_init
(
const
argument& t);
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void
take
(
const
argument& t);
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void
take
(
const
E&
other
);
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bool
is_valid
()
const
;
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A1&
first
();
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A2&
second
();
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const
A1&
first
()
const
;
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const
A2&
second
()
const
;
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protected
:
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couple
();
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A1
a1_
;
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A2
a2_
;
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};
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# ifndef MLN_INCLUDE_ONLY
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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couple<A1,A2,R,E>::couple
()
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{
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init();
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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void
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couple<A1,A2,R,E>::init
()
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{
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a1_.init();
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a2_.init();
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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void
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couple<A1,A2,R,E>::take_as_init
(
const
argument& t)
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{
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a1_.take_as_init(t);
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a2_.take_as_init(t);
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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void
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couple<A1,A2,R,E>::take
(
const
argument& t)
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{
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a1_.take(t);
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a2_.take(t);
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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void
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couple<A1,A2,R,E>::take
(
const
E& other)
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{
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a1_.take(other.a1_);
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a2_.take(other.a2_);
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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bool
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couple<A1,A2,R,E>::is_valid
()
const
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{
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return
a1_.is_valid() && a2_.is_valid();
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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A1&
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couple<A1,A2,R,E>::first
()
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{
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return
a1_;
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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const
A1&
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couple<A1,A2,R,E>::first
()
const
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{
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return
a1_;
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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A2&
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couple<A1,A2,R,E>::second
()
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{
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return
a2_;
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}
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template
<
typename
A1,
typename
A2,
typename
R,
typename
E>
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inline
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const
A2&
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couple<A1,A2,R,E>::second
()
const
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{
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return
a2_;
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace mln::accu::internal
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}
// end of namespace mln::accu
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}
// end of namespace mln
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#endif // ! MLN_ACCU_INTERNAL_COUPLE_HH
mln
accu
internal
couple.hh
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)