public void Clone()
{
var criterium = new FailureStopCriterium();
Assert.IsNotNull(criterium, "There should be a criterium");
var clone = criterium.Clone();
Assert.IsInstanceOf(typeof (FailureStopCriterium), clone, "Wrong criterium type");
}
public void DetermineStatus()
{
var criterium = new FailureStopCriterium();
Assert.IsNotNull(criterium, "There should be a criterium");
var solution = new DenseVector(new[] {new Complex32(3.0f, 0), new Complex32(2.0f, 0), new Complex32(1, 0)});
var source = new DenseVector(new[] {new Complex32(1001.0f, 0), Complex32.Zero, new Complex32(2003.0f, 0)});
var residual = new DenseVector(new[] {new Complex32(1.0f, 0), new Complex32(2.0f, 0), new Complex32(3, 0)});
var status = criterium.DetermineStatus(5, solution, source, residual);
Assert.AreEqual(IterationStatus.Continue, status, "Should be running");
}
public void DetermineStatusWithIllegalIterationNumberThrowsArgumentOutOfRangeException()
{
var criterium = new FailureStopCriterium();
Assert.IsNotNull(criterium, "There should be a criterium");
Assert.Throws<ArgumentOutOfRangeException>(() => criterium.DetermineStatus(-1, DenseVector.Create(3, i => 4), DenseVector.Create(3, i => 5), DenseVector.Create(3, i => 6)));
}
public void Create()
{
var criterium = new FailureStopCriterium();
Assert.IsNotNull(criterium, "Should have a criterium now");
}
public void DetermineStatusWithSolutionNaN()
{
var criterium = new FailureStopCriterium();
Assert.IsNotNull(criterium, "There should be a criterium");
var solution = new DenseVector(new[] {new Complex32(1.0f, 0), new Complex32(1.0f, 0), new Complex32(float.NaN, 0)});
var source = new DenseVector(new[] {new Complex32(1001.0f, 0), Complex32.Zero, new Complex32(2003.0f, 0)});
var residual = new DenseVector(new[] {new Complex32(1000, 0), new Complex32(1000, 0), new Complex32(2001, 0)});
var status = criterium.DetermineStatus(5, solution, source, residual);
Assert.AreEqual(IterationStatus.Failure, status, "Should be failed");
}
public void DetermineStatusWithNonMatchingVectorsThrowsArgumentException()
{
var criterium = new FailureStopCriterium();
Assert.IsNotNull(criterium, "There should be a criterium");
Assert.Throws<ArgumentException>(() => criterium.DetermineStatus(1, DenseVector.Create(3, i => 4), DenseVector.Create(3, i => 6), DenseVector.Create(4, i => 4)));
}
public void ResetCalculationState()
{
var criterium = new FailureStopCriterium();
Assert.IsNotNull(criterium, "There should be a criterium");
var solution = new DenseVector(new[] {new Complex32(1.0f, 0), new Complex32(1.0f, 0), new Complex32(2, 0)});
var source = new DenseVector(new[] {new Complex32(1001.0f, 0), Complex32.Zero, new Complex32(2003.0f, 0)});
var residual = new DenseVector(new[] {new Complex32(1000, 0), new Complex32(1000, 0), new Complex32(2001, 0)});
var status = criterium.DetermineStatus(5, solution, source, residual);
Assert.AreEqual(IterationStatus.Running, status, "Should be running");
criterium.ResetToPrecalculationState();
Assert.AreEqual(IterationStatus.Indetermined, criterium.Status, "Should not have started");
}