int64.H

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-------------------------------------------------------------------------------
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/>.
 
Primitive
    int64
 
Description
    64bit integer
 
SourceFiles
    int64.C
    int64IO.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef int64_H
#define int64_H
 
#include <cstdint>
#include <climits>
#include <cstdlib>
 
#include "word.H"
#include "pTraits.H"
#include "direction.H"
 
#ifndef UINT64_MIN
#define UINT64_MIN 0
#endif
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
class Istream;
class Ostream;
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
//- Return a word representation of an int64
word name(const int64_t);
 
// * * * * * * * * * * * * * * * IOstream Operators  * * * * * * * * * * * * //
 
int64_t readInt64(Istream&);
bool read(const char*, int64_t&);
Istream& operator>>(Istream&, int64_t&);
Ostream& operator<<(Ostream&, const int64_t);
 
inline void writeEntry(Ostream& os, const int64_t value)
{
    os << value;
}
 
 
//- Template specialisation for pTraits<int64_t>
template<>
class pTraits<int64_t>
{
    int64_t p_;
 
public:
 
    //- Component type
    typedef int64_t cmptType;
 
 
    // Member constants
 
        //- Dimensionality of space
        static const direction dim = 3;
 
        //- Rank of int64_t is 0
        static const direction rank = 0;
 
        //- Number of components in int64_t is 1
        static const direction nComponents = 1;
 
 
    // Static Data Members
 
        static const char* const typeName;
        static const char* const componentNames[];
        static const int64_t zero;
        static const int64_t one;
        static const int64_t min;
        static const int64_t max;
 
 
    // Constructors
 
        //- Construct from primitive
        explicit pTraits(const int64_t&);
 
        //- Construct from Istream
        pTraits(Istream&);
 
 
    // Member Functions
 
        //- Access to the int64_t value
        operator int64_t() const
        {
            return p_;
        }
 
        //- Access to the int value
        operator int64_t&()
        {
            return p_;
        }
};
 
 
inline int64_t mag(const int64_t l)
{
    return ::labs(l);
}
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //