public void BuildFromLowerRow_DimensionsDoesNotFitInputData_ThrowsException()
{
MatrixBuilder builder = new MatrixBuilder();
builder.BuildFromLowerRow(new double[] { 1, 2, 3, 4, 5, 6 }, 10);
Assert.Fail();
}
/// <summary>
/// Loads weight matrix from tsp data
/// </summary>
/// <returns>Edge weight matrix</returns>
protected double[,] LoadWeightMatrix()
{
MatrixBuilder matrixBuilder = new MatrixBuilder();
switch (tspFile.EdgeWeightFormat)
{
case Defines.EdgeWeightFormat.FullMatrix:
return matrixBuilder.BuildFromFullMatrix(tspFile.EdgeWeights, tspFile.Dimension);
case Defines.EdgeWeightFormat.UpperRow:
case Defines.EdgeWeightFormat.LowerColumn:
return matrixBuilder.BuildFromUpperRow(tspFile.EdgeWeights, tspFile.Dimension);
case Defines.EdgeWeightFormat.LowerRow:
case Defines.EdgeWeightFormat.UpperColumn:
return matrixBuilder.BuildFromLowerRow(tspFile.EdgeWeights, tspFile.Dimension);
case Defines.EdgeWeightFormat.UpperDiagonalRow:
case Defines.EdgeWeightFormat.LowerDiagonalColumn:
return matrixBuilder.BuildFromUpperDiagonalRow(tspFile.EdgeWeights, tspFile.Dimension);
case Defines.EdgeWeightFormat.LowerDiagonalRow:
case Defines.EdgeWeightFormat.UpperDiagonalColumn:
return matrixBuilder.BuildFromLowerDiagonalRow(tspFile.EdgeWeights, tspFile.Dimension);
default:
throw new NotSupportedException();
}
}
public void ValidateBuildFromLowerRow()
{
MatrixBuilder builder = new MatrixBuilder();
int dimension = 4;
double[] input =
{
1,
2, 4, // only bottom left triangle w/o diagonal, read by rows
3, 5, 6
};
double[,] expectedOutput =
{
{ 0, 1, 2, 3 },
{ 1, 0, 4, 5 },
{ 2, 4, 0, 6 },
{ 3, 5, 6, 0 }
};
var output = builder.BuildFromLowerRow(input, dimension);
AssertArraysAreEqual(expectedOutput, output);
}