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[] { 3.0, 2.0, 1.0 });
var source = new DenseVector(new[] { 1001.0, 0.0, 2003.0 });
var residual = new DenseVector(new[] { 1.0, 2.0, 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[] { 1.0, 1.0, double.NaN });
var source = new DenseVector(new[] { 1001.0, 0.0, 2003.0 });
var residual = new DenseVector(new[] { 1000.0, 1000.0, 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[] { 1.0, 1.0, 2.0 });
var source = new DenseVector(new[] { 1001.0, 0.0, 2003.0 });
var residual = new DenseVector(new[] { 1000.0, 1000.0, 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");
}
