/// <summary>
/// defines the problem matrix
/// </summary>
public void Init(MultigridOperator op)
{
this.m_MgOperator = op;
var Mtx = op.OperatorMatrix;
var MgMap = op.Mapping;
viz = new MGViz(op);
if (!Mtx.RowPartitioning.EqualsPartition(MgMap.Partitioning))
{
throw new ArgumentException("Row partitioning mismatch.");
}
if (!Mtx.ColPartition.EqualsPartition(MgMap.Partitioning))
{
throw new ArgumentException("Column partitioning mismatch.");
}
MxxHistory.Clear();
SolHistory.Clear();
double Dim = MgMap.ProblemMapping.GridDat.SpatialDimension;
// set operator
// ============
if (op.CoarserLevel == null)
{
throw new NotSupportedException("Multigrid algorithm cannot be used as a solver on the finest level.");
}
this.OpMatrix = Mtx;
// initiate coarser level
// ======================
if (this.CoarserLevelSolver == null)
{
throw new NotSupportedException("Missing coarse level solver.");
}
this.CoarserLevelSolver.Init(op.CoarserLevel);
// init smoother
// =============
if (PreSmoother != null)
{
PreSmoother.Init(op);
}
if (PostSmoother != null && !object.ReferenceEquals(PreSmoother, PostSmoother))
{
PostSmoother.Init(op);
}
}
/// <summary>
/// defines the problem matrix
/// </summary>
public void Init(MultigridOperator op)
{
using (var tr = new FuncTrace()) {
this.m_MgOperator = op;
var Mtx = op.OperatorMatrix;
var MgMap = op.Mapping;
//if(op.LevelIndex == 0)
// viz = new MGViz(op);
if (!Mtx.RowPartitioning.EqualsPartition(MgMap.Partitioning))
{
throw new ArgumentException("Row partitioning mismatch.");
}
if (!Mtx.ColPartition.EqualsPartition(MgMap.Partitioning))
{
throw new ArgumentException("Column partitioning mismatch.");
}
MxxHistory.Clear();
SolHistory.Clear();
// set operator
// ============
this.OpMatrix = Mtx;
// initiate coarser level
// ======================
if (this.CoarserLevelSolver == null)
{
//throw new NotSupportedException("Missing coarse level solver.");
Console.WriteLine("OrthonormalizationMultigrid: running without coarse solver.");
}
else
{
if (op.CoarserLevel != null)
{
this.CoarserLevelSolver.Init(op.CoarserLevel);
CoarseOnLovwerLevel = true;
}
else
{
Console.WriteLine("OrthonormalizationMultigrid: running coarse solver on same level.");
this.CoarserLevelSolver.Init(op);
CoarseOnLovwerLevel = false;
}
}
// init smoother
// =============
if (PreSmoother != null)
{
PreSmoother.Init(op);
}
if (PostSmoother != null && !object.ReferenceEquals(PreSmoother, PostSmoother))
{
PostSmoother.Init(op);
}
}
}
