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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
-------------------------------------------------------------------------------
Copyright (C) 2018 OpenCFD Ltd.
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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/>.
Class
Foam::Instant
Description
A tuple of value and key.
The value often corresponds to a time value, thus the naming of the class.
The key will usually be a time name or a file name etc.
SourceFiles
Instant.C
\*---------------------------------------------------------------------------*/
#ifndef Instant_H
#define Instant_H
#include "scalar.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
/*---------------------------------------------------------------------------*\
Class Instant Declaration
\*---------------------------------------------------------------------------*/
template<class T>
class Instant
{
// Private Data
//- The value (eg, time)
scalar val_;
//- The name/key
T key_;
public:
// Public classes
//- Less function for sorting
struct less
{
bool operator()(const Instant& a, const Instant& b) const
{
return a.value() < b.value();
}
};
// Constructors
//- Construct null, with value = 0.
Instant();
//- Copy construct from components
Instant(scalar val, const T& key);
//- Move construct from components
Instant(scalar val, T&& key);
//- Copy construct
Instant(const Instant&) = default;
//- Move construct
Instant(Instant&&) = default;
// Member Functions
//- The value (const access)
scalar value() const
{
return val_;
}
//- The value (non-const access)
scalar& value()
{
return val_;
}
//- The name/key (const access)
const T& name() const
{
return key_;
}
//- The name/key (non-const access)
T& name()
{
return key_;
}
//- True if values are equal (includes SMALL for rounding)
bool equal(scalar val) const;
//- True if values are equal (includes SMALL for rounding)
template<class T2>
bool equal(const Instant<T2>& other) const;
// Operators
//- Copy assignment
Instant& operator=(const Instant&) = default;
//- Move assignment
Instant& operator=(Instant&&) = default;
};
// IOstream Operators
template<class T> Istream& operator>>(Istream& is, Instant<T>& inst);
template<class T> Ostream& operator<<(Ostream& os, const Instant<T>& inst);
// Global Operators
//- Compare instant values for equality
template<class T1, class T2>
bool operator==(const Instant<T1>& a, const Instant<T2>& b);
//- Compare instant values for inequality
template<class T1, class T2>
bool operator!=(const Instant<T1>& a, const Instant<T2>& b);
//- Compare instant values for less-than
template<class T1, class T2>
bool operator<(const Instant<T1>& a, const Instant<T2>& b);
//- Compare instant values for greater-than
template<class T1, class T2>
bool operator>(const Instant<T1>& a, const Instant<T2>& b);
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "Instant.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //