public void GivenLinear2DInput_InterpolationExact()
{
LinearInterpolation2D interpolation = new LinearInterpolation2D(
new double[] { -4, -3, 0 },
new double[] { -1, 2, 5 },
new double[, ] {
{ -5, -2, 1 }, { -4, -1, 2 }, { -1, 2, 5 }
});
AssertHelper.AssertApproximatelyEqual(-0.5, interpolation.GetValue(-3.5, 3));
AssertHelper.AssertApproximatelyEqual(0, interpolation.GetValue(-2, 2));
AssertHelper.AssertApproximatelyEqual(2, interpolation.GetValue(-1, 3));
AssertHelper.AssertApproximatelyEqual(0.3, interpolation.GetValue(-2.9, 3.2));
AssertHelper.AssertApproximatelyEqual(-1.5, interpolation.GetValue(-4, 2.5));
AssertHelper.AssertApproximatelyEqual(1, interpolation.GetValue(0, 1));
AssertHelper.AssertApproximatelyEqual(0.6, interpolation.GetValue(-1, 1.6));
AssertHelper.AssertApproximatelyEqual(-3.1, interpolation.GetValue(-3.2, 0.1));
AssertHelper.AssertApproximatelyEqual(2.5, interpolation.GetValue(-2, 4.5));
}
/********************************************************************************************
* Public members, functions and properties
********************************************************************************************/
public void Advance(
double newTime
)
{
LinearInterpolation2D interpT = new LinearInterpolation2D(System.XAxis, System.YAxis, Temperature.GetValues());
LinearInterpolation2D interpVX = new LinearInterpolation2D(System.XAxis, System.YAxis, VelocityX.GetValues());
LinearInterpolation2D interpVY = new LinearInterpolation2D(System.XAxis, System.YAxis, VelocityY.GetValues());
LinearInterpolation2D interpE = new LinearInterpolation2D(System.XAxis, System.YAxis, ElectricField.GetValues());
LinearInterpolation2D interpB = new LinearInterpolation2D(System.XAxis, System.YAxis, MagneticField.GetValues());
SetValues((xIndex, yIndex, pTIndex, stateIndex) =>
{
if (!IsStateAlreadyFormed(pTIndex, stateIndex, newTime))
{
return(0);
}
else
{
GetQQStateCoordinates(xIndex, yIndex, pTIndex, stateIndex, newTime,
out double x, out double y);
if (!IsInDomainOfCalculation(x, y))
{
return(0);
}
else
{
double vQGP = Math.Sqrt(Math.Pow(interpVX.GetValue(x, y), 2)
+ Math.Pow(interpVY.GetValue(x, y), 2));
return(GetDecayWidth(
(BottomiumState)stateIndex,
interpT.GetValue(x, y),
GetRelativeVelocityInQQFrame(BetaT[pTIndex, stateIndex], vQGP),
interpE.GetValue(x, y),
interpB.GetValue(x, y)) / GammaT[pTIndex, stateIndex]);
}
}
});
}