mirror of
https://develop.openfoam.com/Development/openfoam.git
synced 2025-11-28 03:28:01 +00:00
85 lines
2.4 KiB
C
85 lines
2.4 KiB
C
/*---------------------------------------------------------------------------*\
|
|
========= |
|
|
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
|
|
\\ / O peration |
|
|
\\ / A nd | Copyright (C) 2011-2015 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/>.
|
|
|
|
\*---------------------------------------------------------------------------*/
|
|
|
|
#include "error.H"
|
|
#include "uLabel.H"
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
#if WM_LABEL_SIZE == 32
|
|
const char* const Foam::pTraits<uint64_t>::typeName = "uint64";
|
|
const char* const Foam::pTraits<uint32_t>::typeName = "uLabel";
|
|
#elif WM_LABEL_SIZE == 64
|
|
const char* const Foam::pTraits<uint64_t>::typeName = "uLabel";
|
|
const char* const Foam::pTraits<uint32_t>::typeName = "uint32";
|
|
#endif
|
|
|
|
|
|
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
|
|
|
|
Foam::uLabel Foam::pow(uLabel a, uLabel b)
|
|
{
|
|
uLabel ans = 1;
|
|
for (uLabel i=0; i<b; i++)
|
|
{
|
|
ans *= a;
|
|
}
|
|
|
|
#ifdef FULLDEBUG
|
|
if (b < 0)
|
|
{
|
|
FatalErrorIn("pow(uLabel a, uLabel b)")
|
|
<< "negative value for b is not supported"
|
|
<< abort(FatalError);
|
|
}
|
|
#endif
|
|
|
|
return ans;
|
|
}
|
|
|
|
|
|
Foam::uLabel Foam::factorial(uLabel n)
|
|
{
|
|
static uLabel factTable[13] =
|
|
{
|
|
1, 1, 2, 6, 24, 120, 720, 5040, 40320,
|
|
362880, 3628800, 39916800, 479001600
|
|
};
|
|
|
|
#ifdef FULLDEBUG
|
|
if (n > 12 && n < 0)
|
|
{
|
|
FatalErrorIn("factorial(uLabel n)")
|
|
<< "n value out of range"
|
|
<< abort(FatalError);
|
|
}
|
|
#endif
|
|
|
|
return factTable[n];
|
|
}
|
|
|
|
|
|
// ************************************************************************* //
|