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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2026 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/>.
Typedef
Foam::floatScalar
Description
Float precision floating point scalar type.
SourceFiles
floatScalar.C
\*---------------------------------------------------------------------------*/
#ifndef floatScalar_H
#define floatScalar_H
#include "doubleFloat.H"
#include "direction.H"
#include "word.H"
#include <limits>
using std::numeric_limits;
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
typedef float floatScalar;
// Largest and smallest scalar values allowed in certain parts of the code
static const floatScalar floatScalarVGreat
= numeric_limits<floatScalar>::max()/10;
static const floatScalar floatScalarVSmall
= numeric_limits<floatScalar>::min();
static const floatScalar floatScalarSmall
= numeric_limits<floatScalar>::epsilon();
static const floatScalar floatScalarGreat
= 1.0/floatScalarSmall;
static const floatScalar floatScalarRootVGreat = std::sqrt(floatScalarVGreat);
static const floatScalar floatScalarRootVSmall = std::sqrt(floatScalarVSmall);
static const floatScalar floatScalarRootGreat = std::sqrt(floatScalarGreat);
static const floatScalar floatScalarRootSmall = std::sqrt(floatScalarSmall);
static const floatScalar floatScalarNaN
= numeric_limits<floatScalar>::signaling_NaN();
//- Read whole of buf as a scalar. Return true if successful.
inline bool readScalar(const char* buf, floatScalar& s)
{
char* endPtr;
s = strtof(buf, &endPtr);
return (*endPtr == '\0');
}
#define Scalar floatScalar
#define ScalarVGreat floatScalarVGreat
#define ScalarVSmall floatScalarVSmall
#define ScalarRootVGreat floatScalarRootVGreat
#define ScalarRootVSmall floatScalarRootVSmall
#define ScalarNaN floatScalarNaN
#define readScalar readFloatScalar
inline Scalar mag(const Scalar s)
{
return ::fabsf(s);
}
#define MAXMINPOW(retType, type1, type2) \
\
MAXMIN(retType, type1, type2) \
\
inline double pow(const type1 s, const type2 e) \
{ \
return ::powf(s, e); \
}
MAXMINPOW(Scalar, Scalar, Scalar)
MAXMINPOW(Scalar, Scalar, int)
MAXMINPOW(Scalar, int, Scalar)
MAXMINPOW(Scalar, Scalar, long)
MAXMINPOW(Scalar, long, Scalar)
#undef MAXMINPOW
#define transFunc(func) \
inline Scalar func(const Scalar s) \
{ \
return ::func##f(s); \
}
#define cFunc(func) \
inline Scalar func(const Scalar s) \
{ \
return ::func##f(s); \
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "Scalar.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
inline Scalar hypot(const Scalar x, const Scalar y)
{
return ::hypotf(x, y);
}
inline Scalar atan2(const Scalar y, const Scalar x)
{
return ::atan2f(y, x);
}
inline Scalar jn(const int n, const Scalar s)
{
return ::jnf(n, s);
}
inline Scalar yn(const int n, const Scalar s)
{
return ::ynf(n, s);
}
#undef Scalar
#undef ScalarVGreat
#undef ScalarVSmall
#undef ScalarRootVGreat
#undef ScalarRootVSmall
#undef ScalarNaN
#undef readScalar
#undef transFunc
#undef cFunc
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //
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