public void ModifiedSecantMethodTest()
{
Numerics.Numerics target = new Numerics.Numerics(); // TODO: Initialize to an appropriate value
double fx = 0F; // TODO: Initialize to an appropriate value
double x = 0F; // TODO: Initialize to an appropriate value
double fxdel = 0F; // TODO: Initialize to an appropriate value
double delta = 0F; // TODO: Initialize to an appropriate value
Dictionary <string, double> expected = null; // TODO: Initialize to an appropriate value
Dictionary <string, double> actual;
actual = target.ModifiedSecantMethod(fx, x, fxdel, delta);
Assert.AreEqual(expected, actual);
Assert.Inconclusive("Verify the correctness of this test method.");
}
public override bool PerformTimeStep()
{
//reading the input exchange items Quantatiy and ID
ScalarSet precip = (ScalarSet)this.GetValues(this.GetInputExchangeItem(0).Quantity.ID, this.GetInputExchangeItem(0).ElementSet.ID);
double[] Fp = new double[precip.Count];
//double[] F = new double[precip.Count];
double[] Runoff = new double[precip.Count];
double[] cumulative_infiltration = new double[precip.Count];
for (int i = 0; i <= precip.Count - 1; i++)
{
//Get input values from elementValues datatable
_Ks = Convert.ToSingle(_elementValues.Rows[i]["Ks"]);
_n = Convert.ToSingle(_elementValues.Rows[i]["Porosity"]);
_FieldCap = Convert.ToSingle(_elementValues.Rows[i]["FieldCapacity"]);
_Wilting = Convert.ToSingle(_elementValues.Rows[i]["WiltingPoint"]);
_Phi = Convert.ToSingle(_elementValues.Rows[i]["SuctionHead"]);
_DepStor = Convert.ToSingle(_elementValues.Rows[i]["DepressionStorage"]);
_theta = (float).5 * (_Wilting + _FieldCap);
//Calculate infiltration capacity
Fp[i] = _Ks + (_Ks * (_n - _theta) * _Phi) / _F[i];
//Determine how much rainfall will infiltrate
if (precip.data[i] <= _Ks)
{
//All rainfall will be absorbed
_F[i] += precip.data[i] * _dt;
_Excess = 0.0;
//Console.WriteLine("Cumulative Infiltration: " + _F[i].ToString());
}
else
{
if (PondingCalculated[i] == false)
{
//Calculate the time ponding occurs
calculatePonding(precip.data[i], _F[i]);
PondingCalculated[i] = true;
}
Numerics.Numerics solver = new Numerics.Numerics();
Dictionary <string, double> Results = new Dictionary <string, double>();
double x1 = 0;
double x2 = 50;
double fx1 = fval(x1);
double fx2 = fval(x2);
double e = 1;
while (e > 0.000001)
{
Results = solver.SecantMethod(fx1, x1, fx2, x2);
e = Results["error"];
x1 = Results["x1"];
x2 = Results["x2"];
fx1 = fval(x1);
fx2 = fval(x2);
}
_Excess = _F[i] + precip.data[i] * _dt - x1;
_F[i] = x1;
}
//Determine how much rainfall will become depression storage
if ((_DepStor - _cumStorage[i]) > 0.0)
{
if (_Excess >= (_DepStor - _cumStorage[i]))
{
_Excess -= _DepStor - _cumStorage[i];
_cumStorage[i] = _DepStor;
}
else
{
_cumStorage[i] += _Excess;
_Excess = 0.0;
}
}
Runoff[i] = _Excess;
cumulative_infiltration[i] = _cumStorage[i];
//Add values to DateTimes and Vals, for ODM writeout in Finish()
_Vals.Add(_Excess);
TimeStamp t = (TimeStamp)this.GetCurrentTime();
DateTime T = CalendarConverter.ModifiedJulian2Gregorian(t.ModifiedJulianDay);
_DateTimes.Add(T);
}
//Console.WriteLine("{0:F2} \t\t {1:F3} \t\t {2:F0} \t\t {3:F2} \t\t {4:F2} \t\t {5:F2} ", _F[0], _dt, precip.data[0], precip.data[0] * _dt, _cumStorage[0], _Excess);
//set the excess rainfall values as runoff output
string q1 = this.GetOutputExchangeItem(0).Quantity.ID;
string e1 = this.GetOutputExchangeItem(0).ElementSet.ID;
this.SetValues(q1, e1, new ScalarSet(Runoff));
//set the cumulative infitration storage depth
string q2 = this.GetOutputExchangeItem(1).Quantity.ID;
string e2 = this.GetOutputExchangeItem(1).ElementSet.ID;
this.SetValues(q2, e2, new ScalarSet(_F));
_T += _dt;
this.AdvanceTime();
return(true);
}
public void NumericsConstructorTest()
{
Numerics.Numerics target = new Numerics.Numerics();
Assert.Inconclusive("TODO: Implement code to verify target");
}
