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gray_f.hxx
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// Copyright (C) 2006, 2007, 2008, 2009, 2011, 2013 EPITA Research and
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// Development 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_VALUE_INTERNAL_GRAY_F_HXX
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# define MLN_VALUE_INTERNAL_GRAY_F_HXX
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# include <mln/value/internal/gray_f.hh>
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# include <mln/math/round.hh>
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namespace
mln
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{
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namespace
value
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{
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namespace
internal
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{
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// gray_f.
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inline
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gray_f::gray_f
()
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{
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}
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inline
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gray_f::gray_f
(
const
gray_f
& g)
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:
Floating
<
gray_f
>()
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{
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this->
v_
= g.
v_
;
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}
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inline
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gray_f
&
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gray_f::operator=
(
const
gray_f
& g)
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{
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this->
v_
= g.
v_
;
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return
*
this
;
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}
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template
<
unsigned
n>
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gray_f::gray_f
(
const
gray_<n>
&
rhs
)
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{
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static
const
float
denom =
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float
(
metal::math::pow_int<2, n>::value
) - 1.f;
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this->
v_
=
float
(rhs.
value
()) / denom;
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}
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template
<
unsigned
n>
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gray_f
&
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gray_f::operator=
(
const
gray_<n>
&
rhs
)
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{
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static
const
float
denom =
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float
(
metal::math::pow_int<2, n>::value
) - 1.f;
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this->
v_
=
float
(rhs.
value
()) / denom;
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return
*
this
;
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}
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inline
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gray_f::gray_f
(
float
val)
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{
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this->
v_
= val;
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}
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inline
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gray_f
&
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gray_f::operator=
(
float
val)
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{
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this->
v_
= val;
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return
*
this
;
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}
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inline
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gray_f::gray_f
(
const
graylevel_f
&
rhs
)
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{
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this->
v_
= rhs.
value
();
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}
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inline
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gray_f
&
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gray_f::operator=
(
const
graylevel_f
&
rhs
)
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{
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this->
v_
= rhs.
value
();
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return
*
this
;
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}
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template
<
unsigned
m>
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inline
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gray_f::operator
graylevel<m>
()
const
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{
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return
graylevel<m>
(math::round<int>(this->v_
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* (mlc_pow_int(2, m) - 1)));
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}
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template
<
unsigned
m>
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inline
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gray_f::operator
gray_<m>
()
const
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{
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return
gray_<m>
(math::round<int>(this->v_
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* (mlc_pow_int(2, m) - 1)));
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}
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inline
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gray_f::operator
graylevel_f
()
const
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{
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return
graylevel_f
(this->v_);
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}
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inline
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float
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gray_f::value
()
const
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{
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return
this->
v_
;
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}
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// Operators.
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inline
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std::ostream&
operator<<
(std::ostream& ostr,
const
gray_f
& g)
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{
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return
ostr << g.
value
() <<
"/gray_f"
;
// FIXME: Be more explicit!
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}
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}
// end of namespace mln::value::internal
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}
// end of namespace mln::value
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}
// end of namespace mln
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#endif // ! MLN_VALUE_INTERNAL_GRAY_F_HXX
mln
value
internal
gray_f.hxx
Copyright (C) 2012 EPITA Research and Development Laboratory (LRDE)