Files
OpenFOAM-12/src/OpenFOAM/primitives/polynomialEqns/Roots.H
2018-08-30 13:02:18 +01:00

128 lines
3.3 KiB
C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2017-2018 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::Roots
Description
Templated storage for the roots of polynomial equations, plus flags to
indicate the nature of the roots.
SourceFiles
RootsI.H
Roots.C
\*---------------------------------------------------------------------------*/
#ifndef Roots_H
#define Roots_H
#include "VectorSpace.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
//- Types of root
enum class rootType
{
real = 0,
complex,
posInf,
negInf,
nan
};
/*---------------------------------------------------------------------------*\
Class Roots Declaration
\*---------------------------------------------------------------------------*/
template<direction N>
class Roots
:
public VectorSpace<Roots<N>, scalar, N>
{
// Private data
//- Root types, encoded into a single integer
label types_;
public:
// Constructors
//- Construct null
inline Roots();
//- Construct with a uniform value
inline Roots(const rootType t, const scalar x);
//- Construct by concatenation
inline Roots
(
const rootType t,
const scalar x,
const Roots<N - 1>& xs
);
//- Construct by concatenation
inline Roots
(
const Roots<N - 1>& xs,
const rootType t,
const scalar x
);
//- Construct by concatenation
template <direction M>
inline Roots(const Roots<M>& xs, const Roots<N - M>& ys);
// Member Functions
//- Set the type of the i-th root
inline void type(const direction i, const rootType t);
//- Return the type of the i-th root
inline rootType type(const direction i) const;
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "RootsI.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //