DUNE PDELab (git)
ilu.hh File Reference
The incomplete LU factorization kernels. More...
#include <cmath>
#include <complex>
#include <map>
#include <vector>
#include <dune/common/fmatrix.hh>
#include <dune/common/scalarvectorview.hh>
#include <dune/common/scalarmatrixview.hh>
#include "istlexception.hh"
Go to the source code of this file.
Classes | |
struct | Dune::ILU::CRS< B, Alloc > |
a simple compressed row storage matrix class More... | |
Namespaces | |
namespace | Dune |
Dune namespace. | |
Functions | |
template<class M > | |
void | Dune::ILU::blockILU0Decomposition (M &A) |
compute ILU decomposition of A. A is overwritten by its decomposition | |
template<class M , class X , class Y > | |
void | Dune::ILU::blockILUBacksolve (const M &A, X &v, const Y &d) |
LU backsolve with stored inverse. | |
template<class M > | |
void | Dune::ILU::blockILUDecomposition (const M &A, int n, M &ILU) |
template<class M , class CRS , class InvVector > | |
void | Dune::ILU::convertToCRS (const M &A, CRS &lower, CRS &upper, InvVector &inv) |
convert ILU decomposition into CRS format for lower and upper triangular and inverse. | |
template<class CRS , class InvVector , class X , class Y > | |
void | Dune::ILU::blockILUBacksolve (const CRS &lower, const CRS &upper, const InvVector &inv, X &v, const Y &d) |
LU backsolve with stored inverse in CRS format for lower and upper triangular. | |
Detailed Description
The incomplete LU factorization kernels.
Function Documentation
◆ blockILUDecomposition()
template<class M >
void Dune::ILU::blockILUDecomposition | ( | const M & | A, |
int | n, | ||
M & | ILU | ||
) |
ILU decomposition of order n Computes ILU decomposition of order n. The matrix ILU should be an empty matrix in row_wise creation mode. This allows the user to either specify the number of nonzero elements or to determine it automatically at run-time.
References Dune::ILU::blockILUDecomposition().
Referenced by Dune::ILU::blockILUDecomposition().
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