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concept/point.hh
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// Copyright (C) 2007, 2008, 2009, 2013 EPITA Research and Development
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// Laboratory (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_CORE_CONCEPT_POINT_HH
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# define MLN_CORE_CONCEPT_POINT_HH
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# include <mln/core/concept/point_site.hh>
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# include <mln/core/concept/dpoint.hh>
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# include <mln/value/concept/scalar.hh>
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namespace
mln
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{
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// Fwd decl.
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template
<
typename
E>
struct
Point;
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template
<>
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struct
Point
<void>
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{
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typedef
Point_Site<void>
super
;
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};
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template
<
typename
P>
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struct
Point
:
public
Point_Site
<P>
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{
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typedef
P
point
;
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const
P&
to_point
()
const
;
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protected
:
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Point
();
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};
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template
<
typename
P,
typename
D>
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P&
operator+=
(
Point<P>
&
p
,
const
Dpoint<D>
& dp);
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template
<
typename
P,
typename
D>
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P&
operator-=
(
Point<P>
&
p
,
const
Dpoint<D>
& dp);
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template
<
typename
P,
typename
D>
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P&
operator/
(
Point<P>
&
p
,
const
value::Scalar<D>
& dp);
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// FIXME : add operators and traits?
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# ifndef MLN_INCLUDE_ONLY
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template
<
typename
P>
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inline
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Point<P>::Point
()
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{
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}
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template
<
typename
P>
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inline
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const
P&
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Point<P>::to_point
()
const
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{
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return
exact
(*
this
);
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}
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template
<
typename
P,
typename
D>
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inline
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P&
operator+=
(Point<P>& p_,
const
Dpoint<D>& dp_)
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{
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P&
p
=
exact
(p_);
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const
D&
dp
=
exact
(dp_);
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// FIXME: Use to_vec()!
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for
(
unsigned
i = 0; i < P::dim; ++i)
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p[i] += dp[i];
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return
p
;
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}
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template
<
typename
P,
typename
D>
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inline
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P&
operator-=
(Point<P>& p_,
const
Dpoint<D>& dp_)
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{
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P& p =
exact
(p_);
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const
D& dp =
exact
(dp_);
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// FIXME: Use to_vec()!
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for
(
unsigned
i = 0; i < P::dim; ++i)
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p[i] -= dp[i];
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return
p
;
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}
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template
<
typename
P,
typename
D>
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inline
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P&
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operator/
(Point<P>& p_,
const
value::Scalar<D>& s_)
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{
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P& p =
exact
(p_);
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const
D& s =
exact
(s_);
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for
(
unsigned
i = 0; i < P::dim; ++i)
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p[i] /= s;
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return
p
;
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}
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# endif // ! MLN_INCLUDE_ONLY
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}
// end of namespace mln
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#endif // ! MLN_CORE_CONCEPT_POINT_HH
mln
core
concept
point.hh
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)