/usr/include/freefoam/OpenFOAM/lduMatrixTemplates.C is in libfreefoam-dev 0.1.0+dfsg-1build1.
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========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
\\/ 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/>.
Description
lduMatrix member H operations.
\*---------------------------------------------------------------------------*/
#include <OpenFOAM/lduMatrix.H>
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
template<class Type>
Foam::tmp<Foam::Field<Type> > Foam::lduMatrix::H(const Field<Type>& psi) const
{
tmp<Field<Type> > tHpsi
(
new Field<Type>(lduAddr().size(), pTraits<Type>::zero)
);
if (lowerPtr_ || upperPtr_)
{
Field<Type> & Hpsi = tHpsi();
Type* __restrict__ HpsiPtr = Hpsi.begin();
const Type* __restrict__ psiPtr = psi.begin();
const label* __restrict__ uPtr = lduAddr().upperAddr().begin();
const label* __restrict__ lPtr = lduAddr().lowerAddr().begin();
const scalar* __restrict__ lowerPtr = lower().begin();
const scalar* __restrict__ upperPtr = upper().begin();
register const label nFaces = upper().size();
for (register label face=0; face<nFaces; face++)
{
HpsiPtr[uPtr[face]] -= lowerPtr[face]*psiPtr[lPtr[face]];
HpsiPtr[lPtr[face]] -= upperPtr[face]*psiPtr[uPtr[face]];
}
}
return tHpsi;
}
template<class Type>
Foam::tmp<Foam::Field<Type> >
Foam::lduMatrix::H(const tmp<Field<Type> >& tpsi) const
{
tmp<Field<Type> > tHpsi(H(tpsi()));
tpsi.clear();
return tHpsi;
}
template<class Type>
Foam::tmp<Foam::Field<Type> >
Foam::lduMatrix::faceH(const Field<Type>& psi) const
{
if (lowerPtr_ || upperPtr_)
{
const scalarField& Lower = const_cast<const lduMatrix&>(*this).lower();
const scalarField& Upper = const_cast<const lduMatrix&>(*this).upper();
const unallocLabelList& l = lduAddr().lowerAddr();
const unallocLabelList& u = lduAddr().upperAddr();
tmp<Field<Type> > tfaceHpsi(new Field<Type> (Lower.size()));
Field<Type> & faceHpsi = tfaceHpsi();
for (register label face=0; face<l.size(); face++)
{
faceHpsi[face] = Upper[face]*psi[u[face]] - Lower[face]*psi[l[face]];
}
return tfaceHpsi;
}
else
{
FatalErrorIn("lduMatrix::faceH(const Field<Type>& psi) const")
<< "Cannot calculate faceH"
" the matrix does not have any off-diagonal coefficients."
<< exit(FatalError);
return tmp<Field<Type> >(NULL);
}
}
template<class Type>
Foam::tmp<Foam::Field<Type> >
Foam::lduMatrix::faceH(const tmp<Field<Type> >& tpsi) const
{
tmp<Field<Type> > tfaceHpsi(faceH(tpsi()));
tpsi.clear();
return tfaceHpsi;
}
// ************************ vim: set sw=4 sts=4 et: ************************ //
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