static public ISolverSmootherTemplate InitMultigridChain(MultigridOperator MgOp,
Func <int, ISolverSmootherTemplate> PreSmootherFactory,
Func <int, ISolverSmootherTemplate> PostSmootherFactory,
Action <int, ClassicMultigrid> ParamsSeter,
Func <ISolverSmootherTemplate> CoarsestSolverFactory) //
{
if (MgOp.CoarserLevel == null)
{
return(CoarsestSolverFactory());
}
else
{
var MgTop = new ClassicMultigrid();
ParamsSeter(MgOp.LevelIndex, MgTop);
MgTop.PreSmoother = PreSmootherFactory(MgOp.LevelIndex);
MgTop.PostSmoother = PostSmootherFactory(MgOp.LevelIndex);
MgTop.CoarserLevelSolver = InitMultigridChain(MgOp.CoarserLevel, PreSmootherFactory, PostSmootherFactory, ParamsSeter, CoarsestSolverFactory);
return(MgTop);
}
}
static public ISolverSmootherTemplate InitMultigridChain(IEnumerable <AggregationGridData> MultigridSequence,
Func <int, ISolverSmootherTemplate> PreSmootherFactory,
Func <int, ISolverSmootherTemplate> PostSmootherFactory,
Action <int, ClassicMultigrid> ParamsSeter,
Func <ISolverSmootherTemplate> CoarsestSolverFactory,
int iLevel = 0) //
{
if (iLevel == MultigridSequence.Count() - 1)
{
return(CoarsestSolverFactory());
}
else
{
var MgTop = new ClassicMultigrid();
ParamsSeter(iLevel, MgTop);
MgTop.PreSmoother = PreSmootherFactory(iLevel);
MgTop.PostSmoother = PostSmootherFactory(iLevel);
MgTop.CoarserLevelSolver = InitMultigridChain(MultigridSequence, PreSmootherFactory, PostSmootherFactory, ParamsSeter, CoarsestSolverFactory, iLevel + 1);
return(MgTop);
}
}
