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indexedOctree
labelBits.H
Go to the documentation of this file.
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::labelBits
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Description
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A 29bits label and 3bits direction packed into single label
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SourceFiles
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\*---------------------------------------------------------------------------*/
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#ifndef labelBits_H
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#define labelBits_H
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#include <
OpenFOAM/label.H
>
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#include <
OpenFOAM/uLabel.H
>
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#include <
OpenFOAM/direction.H
>
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#include <
OpenFOAM/error.H
>
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace
Foam
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{
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/*---------------------------------------------------------------------------*\
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Class labelBits Declaration
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\*---------------------------------------------------------------------------*/
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class
labelBits
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{
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// Private data
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label data_;
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inline
static
label pack(
const
label
val
,
const
direction
bits
)
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{
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# ifdef FULLDEBUG
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if
(bits > 7 || (((val<<3)>>3) != val))
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{
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FatalErrorIn
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(
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"labelBits::pack(const label, const direction)"
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) <<
"Direction "
<< bits <<
" outside range 0..7"
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<<
abort
(
FatalError
);
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}
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# endif
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return
(val<<3) |
bits
;
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}
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public
:
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// Constructors
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//- Construct null
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inline
labelBits
()
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{}
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//- Construct from components
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inline
labelBits
(
const
label val,
const
direction
bits)
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:
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data_(pack(val, bits))
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{}
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//- Construct from Istream
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inline
labelBits
(
Istream
& is)
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{
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is >> data_;
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}
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// Member Functions
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inline
label
val
()
const
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{
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return
data_ >> 3;
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}
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inline
direction
bits
()
const
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{
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return
data_ & 7;
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}
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inline
void
setVal
(
const
label val)
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{
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data_ = pack(val,
bits
());
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}
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inline
void
setBits
(
const
direction
bits)
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{
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data_ = pack(
val
(), bits);
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}
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// Member Operators
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friend
inline
bool
operator==
(
const
labelBits
& a,
const
labelBits
&
b
)
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{
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return
a.data_ == b.data_;
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}
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friend
inline
bool
operator!=
(
const
labelBits
& a,
const
labelBits
&
b
)
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{
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return
!(a ==
b
);
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}
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// IOstream Operators
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friend
inline
Istream
&
operator>>
(
Istream
& is,
labelBits
& lb)
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{
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return
is >> lb.data_;
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}
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friend
inline
Ostream
&
operator<<
(
Ostream
& os,
const
labelBits
& lb)
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{
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return
os << lb.data_;
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}
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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}
// End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************ vim: set sw=4 sts=4 et: ************************ //