mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
154 lines
3.9 KiB
C++
154 lines
3.9 KiB
C++
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2011-2016 OpenFOAM Foundation
|
|
\\/ M anipulation |
|
|
-------------------------------------------------------------------------------
|
|
License
|
|
This file is part of OpenFOAM.
|
|
|
|
OpenFOAM is free software: you can redistribute it and/or modify it
|
|
under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
Class
|
|
Foam::labelBits
|
|
|
|
Description
|
|
A 29bits label and 3bits direction packed into single label
|
|
|
|
SourceFiles
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#ifndef labelBits_H
|
|
#define labelBits_H
|
|
|
|
#include "label.H"
|
|
//#include "uLabel.H"
|
|
#include "direction.H"
|
|
#include "error.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
namespace Foam
|
|
{
|
|
|
|
|
|
/*---------------------------------------------------------------------------*\
|
|
Class labelBits Declaration
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
class labelBits
|
|
{
|
|
// Private data
|
|
|
|
label data_;
|
|
|
|
inline static label pack(const label val, const direction bits)
|
|
{
|
|
#ifdef FULLDEBUG
|
|
if (bits > 7 || (((val<<3)>>3) != val))
|
|
{
|
|
FatalErrorInFunction
|
|
<< "Direction " << bits << " outside range 0..7"
|
|
<< " or value " << val << " negative or larger than "
|
|
<< label(8*sizeof(label)-3) << " bit representation"
|
|
<< abort(FatalError);
|
|
}
|
|
#endif
|
|
|
|
return (val<<3) | bits;
|
|
}
|
|
|
|
public:
|
|
|
|
// Constructors
|
|
|
|
//- Construct null
|
|
inline labelBits()
|
|
{}
|
|
|
|
//- Construct from components
|
|
inline labelBits(const label val, const direction bits)
|
|
:
|
|
data_(pack(val, bits))
|
|
{}
|
|
|
|
//- Construct from Istream
|
|
inline labelBits(Istream& is)
|
|
{
|
|
is >> data_;
|
|
}
|
|
|
|
|
|
|
|
// Member Functions
|
|
|
|
inline label val() const
|
|
{
|
|
return data_ >> 3;
|
|
}
|
|
|
|
inline direction bits() const
|
|
{
|
|
return data_ & 7;
|
|
}
|
|
|
|
inline void setVal(const label val)
|
|
{
|
|
data_ = pack(val, bits());
|
|
}
|
|
|
|
inline void setBits(const direction bits)
|
|
{
|
|
data_ = pack(val(), bits);
|
|
}
|
|
|
|
|
|
// Member Operators
|
|
|
|
inline friend bool operator==(const labelBits& a, const labelBits& b)
|
|
{
|
|
return a.data_ == b.data_;
|
|
}
|
|
|
|
inline friend bool operator!=(const labelBits& a, const labelBits& b)
|
|
{
|
|
return !(a == b);
|
|
}
|
|
|
|
// IOstream Operators
|
|
|
|
inline friend Istream& operator>>(Istream& is, labelBits& lb)
|
|
{
|
|
return is >> lb.data_;
|
|
}
|
|
|
|
inline friend Ostream& operator<<(Ostream& os, const labelBits& lb)
|
|
{
|
|
return os << lb.data_;
|
|
}
|
|
};
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
} // End namespace Foam
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
#endif
|
|
|
|
// ************************************************************************* //
|