int64.H

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/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | Copyright (C) 2014-2015 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/>.
 
Primitive
    int64
 
Description
    64bit integer
 
SourceFiles
    int64.C
    int64IO.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef int64_H
#define int64_H
 
#define __STDC_LIMIT_MACROS
#include <stdint.h>
#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);
 
#ifdef MSWIN
inline
Istream& operator>>(Istream& is, off_t& value)
{
  int64_t tmp = 0;
  is >> tmp;
  value = tmp;
 
  return is;
}
 
inline
Ostream& operator<<(Ostream& os, const off_t value)
{
  os << int64_t(value);
 
  return os;
}
#endif
 
//- Template specialization for pTraits<int64_t>
template<>
class pTraits<int64_t>
{
    int64_t p_;
 
public:
 
    //- Component type
    typedef int64_t cmptType;
 
    // Member constants
 
        enum
        {
            dim = 3,         
            rank = 0,        
            nComponents = 1  
        };
 
 
    // Static data members
 
        static const char* const typeName;
        static const char* componentNames[];
        static const int64_t zero;
        static const int64_t one;
        static const int64_t min;
        static const int64_t max;
        static const int64_t rootMax;
        static const int64_t rootMin;
 
 
    // 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
 
// ************************************************************************* //