public static void CellwiseSubSelection(
[Values(SelectionType.all_combined, SelectionType.degrees, SelectionType.species, SelectionType.variables)] SelectionType SType
)
{
Utils.TestInit((int)SType);
Console.WriteLine("SubSelection({0})", SType);
//Arrange --- extracts entries of matrix according to hardcoded selection
int DGdegree = 2;
int GridResolution = 4;
var mgo = Utils.CreateTestMGOperator(XDGusage.all, DGdegree, MatrixShape.full_var_spec, GridResolution);
int sampleCellA = Utils.GetIdxOfFirstBlockWith(mgo.Mapping, false); //1 species
int sampleCellB = Utils.GetIdxOfFirstBlockWith(mgo.Mapping, true); //2 species
BlockMsrMatrix compA = Utils.GetCellCompMatrix(SType, mgo, sampleCellA);
BlockMsrMatrix compB = Utils.GetCellCompMatrix(SType, mgo, sampleCellB);
int iBlock = sampleCellB + mgo.Mapping.AggGrid.CellPartitioning.i0;
int i0 = mgo.Mapping.GetBlockI0(iBlock);
var block = MultidimensionalArray.Create(mgo.Mapping.GetBlockLen(iBlock), mgo.Mapping.GetBlockLen(iBlock));
mgo.OperatorMatrix.ReadBlock(i0, i0, block);
//Arrange --- setup masking, which correspond to hardcoded
SubBlockSelector sbsA = new SubBlockSelector(mgo.Mapping);
sbsA.GetDefaultSelection(SType, sampleCellA); // single spec
BlockMask maskA = new BlockMask(sbsA, null);
SubBlockSelector sbsB = new SubBlockSelector(mgo.Mapping);
sbsB.GetDefaultSelection(SType, sampleCellB); // double spec
BlockMask maskB = new BlockMask(sbsB, null);
//Arrange --- some time measurement
Stopwatch stw = new Stopwatch();
stw.Reset();
//Act --- subblock extraction
stw.Start();
var blocksA = maskA.GetDiagonalBlocks(mgo.OperatorMatrix, false, false);
var blocksB = maskB.GetDiagonalBlocks(mgo.OperatorMatrix, false, false);
stw.Stop();
//Assert ---
Assert.IsTrue(blocksA.Length == 1);
Assert.IsTrue(blocksB.Length == 1);
Assert.IsTrue(compA.RowPartitioning.LocalLength == blocksA[0].GetLength(0));
Assert.IsTrue(compB.RowPartitioning.LocalLength == blocksB[0].GetLength(0));
//Assert --- compare masking of single spec cell
Debug.Assert(compA.InfNorm() != 0.0);
compA.AccBlock(0, 0, -1.0, blocksA[0]);
Assert.IsTrue(compA.InfNorm() == 0.0);
//Assert --- compare masking of double spec cell
Debug.Assert(compB.InfNorm() != 0.0);
compB.AccBlock(0, 0, -1.0, blocksB[0]);
Assert.IsTrue(compB.InfNorm() == 0.0, String.Format("proc{0}: not fulfilled at block {1}", mgo.Mapping.MpiRank, sampleCellB));
}
public static void SubSelection(
[Values(SelectionType.all_combined, SelectionType.degrees, SelectionType.species, SelectionType.variables)] SelectionType SType
)
{
Utils.TestInit((int)SType);
Console.WriteLine("SubSelection({0})", SType);
//Arrange --- extracts entries of matrix according to hardcoded selection
int DGdegree = 2;
int GridResolution = 4;
var mgo = Utils.CreateTestMGOperator(XDGusage.all, DGdegree, MatrixShape.full_var_spec, GridResolution);
int sampleCellA = Utils.GetIdxOfFirstBlockWith(mgo.Mapping, false); //1 species
int sampleCellB = Utils.GetIdxOfFirstBlockWith(mgo.Mapping, true); //2 species
BlockMsrMatrix compA = Utils.GetCellCompMatrix(SType, mgo, sampleCellA);
BlockMsrMatrix compB = Utils.GetCellCompMatrix(SType, mgo, sampleCellB);
//Arrange --- setup masking, which correspond to hardcoded
SubBlockSelector sbsA = new SubBlockSelector(mgo.Mapping);
sbsA.GetDefaultSelection(SType, sampleCellA); // single spec
BlockMask maskA = new BlockMask(sbsA, null);
SubBlockSelector sbsB = new SubBlockSelector(mgo.Mapping);
sbsB.GetDefaultSelection(SType, sampleCellB); // double spec
BlockMask maskB = new BlockMask(sbsB, null);
//Arrange --- stop the watch
Stopwatch stw = new Stopwatch();
stw.Reset();
//Act --- get subblocks
stw.Start();
BlockMsrMatrix subA = maskA.GetSubBlockMatrix(mgo.OperatorMatrix);
BlockMsrMatrix subB = maskB.GetSubBlockMatrix(mgo.OperatorMatrix);
stw.Stop();
//Assert --- compare masking of single spec cell
Debug.Assert(compA.InfNorm() != 0.0);
subA.Acc(-1.0, compA);
Assert.IsTrue(subA.InfNorm() == 0.0);
//Assert --- compare masking of double spec cell
Debug.Assert(compB.InfNorm() != 0.0);
subB.Acc(-1.0, compB);
Assert.IsTrue(subB.InfNorm() == 0.0);
}